阅读说明：本技术 双曲锚头结构边坡防护装置及施工方法 (Double-curve anchor head structure side slope protection device and construction method ) 是由 刘杰 李洪亚 李伟 李运舟 谢晓康 唐洪宇 杨浩宇 石谦 杜卓兴 司马艳 李远航 于 2019-09-17 设计创作，主要内容包括：一种双曲锚头结构边坡防护装置,它包括锚杆和预制防护板；所述预制防护板为双曲扁壳结构；锚杆一端穿过预制防护板中心的锚杆孔,嵌入山体内,另一端设置有螺纹,通过螺栓结构锁紧,将穿过的预制防护板紧固在山体坡面上；预制防护板凹面朝向山体外侧,双曲凸面与坡面接触承受压力,使受力均匀分散。该装置采用预制式的双曲扁壳防护板拼接成坡面防护装置,采用锚杆将预制防护板紧固在坡面上,底部设置绿化槽,利用自然降水使其中的植物生长。该装置解决了现有浇筑式防护技术施工难度大,维护成本高的问题,以及现有预制式防护装置保护效果差的问题,具有结构简单,施工维护方便,防护效果好,排水及绿化效果佳的特点。(A slope protection device with a hyperbolic anchor head structure comprises an anchor rod and a prefabricated protection plate; the prefabricated protection plate is of a hyperbolic flat shell structure; one end of the anchor rod penetrates through an anchor rod hole in the center of the prefabricated protection plate and is embedded into the mountain body, the other end of the anchor rod is provided with threads, and the penetrating prefabricated protection plate is fastened on the slope surface of the mountain body through locking of a bolt structure; the concave surface of the prefabricated protection plate faces the outer side of the mountain body, and the hyperbolic convex surface is in contact with the slope surface to bear pressure, so that the stress is uniformly dispersed. The device adopts prefabricated hyperbolic flat shell guard plate to splice into domatic protector, adopts the stock to fasten prefabricated guard plate on domatic, and the bottom sets up afforestation groove, utilizes natural precipitation to make vegetation wherein. The device has solved the current formula of pouring protection technology construction degree of difficulty big, the problem that the maintenance cost is high to and the poor problem of current prefabricated formula protector protection effect, have simple structure, the construction is maintained conveniently, and the protecting effect is good, the good characteristics of drainage and afforestation effect.)

1. The utility model provides a hyperbolic anchor head structure side slope protector, characterized by: the anchor rod type protective plate comprises an anchor rod (1) and a prefabricated protective plate (2); the prefabricated protection plate (2) is of a hyperbolic flat shell structure; one end of the anchor rod (1) penetrates through an anchor rod hole (21) in the center of the prefabricated protection plate (2) and is embedded into the mountain body, the other end of the anchor rod is provided with threads, and the penetrating prefabricated protection plate (2) is fastened on the slope surface of the mountain body through locking of a bolt structure; the concave surface of the prefabricated protection plate (2) faces the outer side of the mountain body, and the hyperbolic convex surface is in contact with the slope surface to bear pressure, so that the stress is uniformly dispersed.

2. The hyperbolic anchor head structure side slope protection device of claim 1, characterized in that: prefabricated guard plate (2) include the hyperbolic flat shell structure that hyperbolic frame cooperation concrete placement that reinforcing bar net (22) were prefabricated becomes, set up vertically and horizontally rib recess (23) in its concave surface, cooperate with rib (24) of curved surface platelike structure, carry out the structure to prefabricated guard plate (2) and strengthen.

3. The hyperbolic anchor head structure side slope protection device of claim 1, characterized in that: the edge of the prefabricated protection plate (2) is provided with a tooth structure (3), the tooth structure (3) is a block-shaped structure with a side surface provided with a through steel strand hole (31), and the tooth structure is uniformly distributed on the edge of the prefabricated protection plate (2); a plurality of tooth structures (3) of adjacent prefabricated guard plate (2) are mutually staggered and clamped, and pass through steel strand holes (31) through steel strands to connect a plurality of prefabricated guard plates (2) into a whole.

4. The hyperbolic anchor head structure side slope protection device of claim 1, characterized in that: the greening groove (4) is formed in the bottom of the prefabricated protection plate (2), the greening groove (4) is of a hollow cuboid structure with an opening in the upper surface, a first partition plate (41) and a second partition plate (42) which are different in height are arranged inside the greening groove, and the interior of the greening groove (4) is divided into a vegetation layer, a soil layer and a water storage layer from top to bottom; the side panels at two sides of the soil layer are provided with drain pipes (43), and the first partition plate (41) and the second partition plate (42) are both flat plate structures with round holes on the surfaces; a layer of geotextile is laid on the inner wall of the soil layer, and soil is laid on the geotextile.

5. The hyperbolic anchor head structure side slope protection device of claim 1, characterized in that: the anchor rod (1) is a hollow rod-shaped structure which is made of glass fiber materials and is provided with an opening at the upper bottom surface and a closed lower bottom surface, the outer surface of the top of the anchor rod is provided with threads, the outer surface of the top of the anchor rod is matched with a fastening nut (11) to fasten a prefabricated protection plate, and the inner wall of the top of the anchor rod is also provided with threads which can be matched with threads of a water pump to; the bottom end of the outer surface thread of the anchor rod (1) is sleeved with a grout stop plug (12).

6. The hyperbolic anchor head structure side slope protection device of claim 1, characterized in that: the middle section of the anchor rod (1) is a drainage section, the surface of the drainage section is provided with a plurality of drainage holes (13), and the drainage section is wrapped by a layer of sand filtering net (5).

7. The hyperbolic anchor head structure side slope protection device of claim 1, characterized in that: the barb that a plurality of co-altitude not are seted up on the surface outside stock (1) drainage section goes out thick liquid mouth (14), and barb goes out thick liquid mouth (14) and carries out confined opening for being connected with elastic steel piece, and when receiving pressure, elastic steel piece outwards opens.

8. The method for constructing a hyperbolic anchor head structure side slope protection device as claimed in any one of claims 1 ~ 7, comprising the steps of:

s1, prefabricating anchor rods (1) and prefabricated protection plates (2) with proper sizes and numbers according to actual construction requirements;

s2, hollowing out the construction surface, and increasing the contact area between the convex surface of the prefabricated protection plate (2) and the construction slope;

s3, excavating an anchor rod groove on the construction slope to enable the diameter of the groove to be slightly larger than that of the anchor rod (1), enabling the top with threads of the anchor rod (1) to be exposed out due to the depth of the groove, then inserting the anchor rod (1) into the anchor rod groove, inserting a grouting pipe into the anchor rod (1) to perform grouting to the hollow interior of the anchor rod (1), and enabling concrete grout to prop open elastic steel sheets on the barb grout outlet (14) and flow into and fill gaps between the anchor rod (1) and a mountain;

s4, when grouting to the drainage section, stopping grouting, adding gravel into the drainage section, continuing grouting when the gravel exceeds the drainage section, stopping grouting when the gravel reaches the position of the grout stop plug (12), drawing out the grouting pipe, and after the concrete is dried and solidified, leaving a through circular groove in the concrete in the anchor rod (1) for drainage by the grouting pipe;

s5, penetrating the prefabricated protection plate (2) at the exposed top end of the anchor rod (1) through the anchor rod hole (21) in the center, and fixing the prefabricated protection plate (2) on the slope surface by using a fastening nut (11) to match with the thread at the top end of the anchor rod (1);

s6, repeating S1-S5, installing a plurality of hyperbolic anchor head structures on adjacent slope surfaces, adjusting angles, enabling tooth structures (3) on prefabricated protection plates (2) of the adjacent hyperbolic anchor head structures to be mutually clamped, enabling steel strands to penetrate through steel strand holes (31), and connecting the hyperbolic anchor head structures into a whole until the slope surfaces needing to be protected are covered;

s7, planting seeds suitable for slope greening plants in the soil layer of the greening groove (4), sprinkling the seeds under the holes of the first partition plate (41), and adding a proper amount of water.

Technical Field

The invention belongs to the technical field of slope surface protection, and relates to a slope protection device with a hyperbolic anchor head structure and a construction method.

Background

With the rapid development of national economy in China, the construction of various municipal engineering such as roads and the like is rapid. The problem of slope reinforcement is increasingly serious due to the fact that the mountaineering road and the accompanying mountain road are rapidly increased, slope protection construction on steep slopes becomes increasingly difficult under the comprehensive action of increasingly complex natural environment factors, when the slope inclination is larger than 70 degrees, a large amount of construction is often needed for processing, large-scale mechanical equipment such as an excavator is needed when slope support is carried out in traditional support engineering, time and labor are consumed, the traditional support engineering is not suitable for various complex slope construction environments, the construction difficulty is high, and maintenance and reinforcement are not convenient when local damage or aging occurs in the later period. Therefore, it is necessary to design a slope protection device and method which is convenient for construction and maintenance, can effectively protect a slope surface, and can effectively drain water and perform greening.

The patent number is "CN 207484492U", the name is the patent of "a high soil property side slope prevents that soil erosion and water loss domatic protective structure" of water loss, a protective structure for high soil property side slope water loss is provided, this structure adopts and pours the concrete shoulder pad at domatic top, at domatic concreting arch ring, cut apart into a plurality of independent regions with domatic, the mode that adds plant protection in arch ring is protected domatic, form water drainage tank between the concrete arch ring, combine independent vegetation district can effectively prevent that the rainwater from washing away domatic soil erosion and causing soil loss. However, the technology is mainly used for slopes with more soil surfaces, and for slopes of rocks, gravels or gravels, because the soil is less, vegetation cannot be planted, and the technology is not suitable for the slopes; in addition, the slope surface structure of high soil quality is loose, and the concrete structure directly poured on the surface can only prevent surface rainwater from washing away, can not reinforce the soil layer inside, is easily influenced by the deformation of the soil layer, and is damaged, so that the overall structure is damaged.

The patent number is "CN 109853593A", the name is "a high steep rock matter side slope afforestation protection and construction method", this patent provides a protection method for rock class side slope, adopts the stock to consolidate domatic rock mass, and the flexible protection network of cooperation protects the rock on surface, prevents that domatic rubble from becoming flexible or dropping, afforests through ligature plant biological bag on protection network, metal mesh and rock mass. The technology has the following problems that the plant growth bag is easy to fall off or cause plant death under the action of environmental factors, and can not provide good greening effect; although the rock mass is reinforced by adopting the anchor rod structure, the flexible protective net and the metal net on the surface are easy to age and stress fatigue, so that the flexible protective net and the metal net are fractured, the compressive capacity of the whole structure is influenced, the fracture of the flexible protective net is not easy to be perceived, and potential safety hazards exist.

The patent number is "CN 108442392A", the name is the patent of "whole green protective structure of road bed side slope and construction method" this patent adopts cast-in-place water interception shoulder protector of concrete and water drainage tank of pouring to carry out domatic protection, lay the grass blanket at the surface and afforest, the work load that needs when nevertheless pouring the mode construction is great, and need carry out specific consideration and calculation to specific construction environment, formulate different pouring schemes, waste time and energy, in case the damage takes place in the later stage, need pour the repair again, avoid the whole bearing capacity of structure to produce and descend, domatic protector for the prefabricated formula, the construction degree of difficulty is big, maintenance cost is higher.

The patent number is "CN 208328947U", the name is "a patent that is used for side slope protection's scaly sash", this patent adopts prefabricated scaly sash structure to splice into domatic protector, the construction of being convenient for, only need change local prefabricated scaly sash during later maintenance can, but for the integrated concrete structure of pouring formula, the structure of this scaly sash concatenation can't provide higher bearing capacity, it does not adopt the stock to fix inside the massif, only lay and simply consolidate on the surface, when the inside atress of massif changes, easily take place deformation at domatic, towards end scaly sash structure, cause structural damage, there is great short slab on the protecting effect.

To sum up, changeable and complicated construction environment and geological conditions when protecting domatic provide one kind and are applicable to multiple geological conditions, construction convenience, and later maintenance is with low costs, both can effectually provide higher protective capacities to domatic, have the simple structure of light again, can also guarantee the domatic protection technology of the prefabricated formula of domatic afforestation simultaneously, have important practical value.

Disclosure of Invention

The invention aims to solve the technical problem of providing a hyperbolic anchor head structure side slope protection device and a construction method. The device has solved the current formula of pouring protection technology construction degree of difficulty big, the problem that the maintenance cost is high to and the poor problem of current prefabricated formula protector protection effect, have simple structure, the construction is maintained conveniently, and the protecting effect is good, the good characteristics of drainage and afforestation effect.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a slope protection device with a hyperbolic anchor head structure comprises an anchor rod and a prefabricated protection plate; the prefabricated protection plate is of a hyperbolic flat shell structure; one end of the anchor rod penetrates through an anchor rod hole in the center of the prefabricated protection plate and is embedded into the mountain body, the other end of the anchor rod is provided with threads, and the penetrating prefabricated protection plate is fastened on the slope surface of the mountain body through locking of a bolt structure; the concave surface of the prefabricated protection plate faces the outer side of the mountain body, and the hyperbolic convex surface is in contact with the slope surface to bear pressure, so that the stress is uniformly dispersed.

The prefabricated protection plate comprises a hyperbolic flat shell structure which is formed by prefabricating a hyperbolic frame through a reinforcing mesh and pouring concrete, and longitudinal and transverse rib grooves are formed in the concave surface of the hyperbolic flat shell structure and matched with ribs of a curved-surface plate-shaped structure to structurally reinforce the prefabricated protection plate.

The edge of the prefabricated protection plate is provided with a tooth structure, the tooth structure is a block structure with a through steel strand hole in the side surface, and the tooth structure is uniformly distributed on the edge of the prefabricated protection plate; a plurality of tooth structures of adjacent prefabricated guard plate interlock each other, pass the steel hank silk hole through the steel hank silk, connect into a whole with a plurality of prefabricated guard plates.

The greening groove is arranged at the bottom of the prefabricated protection plate, is of a hollow cuboid structure with an opening in the upper surface, is internally provided with a first partition plate and a second partition plate which are different in height, and divides the interior of the greening groove into a vegetable layer, a soil layer and a water storage layer from top to bottom; the side panels on two sides of the soil layer are provided with drain pipes, and the first partition plate and the second partition plate are both flat plate structures with round holes on the surfaces; a layer of geotextile is laid on the inner wall of the soil layer, and soil is laid on the geotextile.

The anchor rod is a hollow rod-shaped structure which is made of glass fiber and is provided with an opening at the upper bottom surface and a closed lower bottom surface, the outer surface of the top of the anchor rod is provided with threads, the anchor rod is matched with a fastening nut to fasten a prefabricated protection plate, and the inner wall of the top of the anchor rod is also provided with threads which can be matched with threads of a water pump to pump water; the bottom end of the outer surface thread of the anchor rod is sleeved with a grout stop plug.

The middle section of the anchor rod is a drainage section, a plurality of drainage holes are formed in the surface of the drainage section, and a layer of sand filtering net wraps the drainage section.

The barb that a plurality of co-altitude not have been seted up on the surface outside the stock drainage section goes out the thick liquid mouth, and barb goes out the thick liquid mouth and carries out confined opening for being connected with elastic steel piece, and when receiving pressure, elastic steel piece outwards opens.

The construction method of the hyperbolic anchor head structure side slope protection device comprises the following steps:

s1, prefabricating anchor rods and prefabricated protection plates with proper sizes and numbers according to the actual construction requirements;

s2, hollowing out the construction surface, and increasing the contact area between the convex surface of the prefabricated protection plate and the construction slope surface;

s3, excavating an anchor rod groove on the construction slope surface to enable the diameter of the groove to be slightly larger than that of the anchor rod, enabling the top with threads of the anchor rod to be exposed to the outside due to the depth of the groove, then inserting the anchor rod into the anchor rod groove, inserting a grouting pipe into the anchor rod to perform grouting to the hollow interior of the anchor rod, and enabling concrete grout to prop open elastic steel sheets on a barb grout outlet and flow into and fill gaps between the anchor rod and a mountain body;

s4, when grouting to the drainage section, stopping grouting, adding gravel into the drainage section, continuing grouting when the gravel exceeds the drainage section, stopping grouting when the gravel reaches the position of a grout stop plug, drawing out a grouting pipe, and after the concrete is dried and solidified, leaving a through circular groove in the concrete inside the anchor rod by the grouting pipe for drainage;

s5, penetrating the prefabricated protection plate at the exposed top end of the anchor rod through the anchor rod hole in the center, and fixing the prefabricated protection plate on the slope surface by using a fastening nut to match with the thread at the top end of the anchor rod;

s6, repeating S1-S5, installing a plurality of hyperbolic anchor head structures on adjacent slope surfaces, adjusting angles to enable tooth structures on prefabricated protection plates of the adjacent hyperbolic anchor head structures to be mutually clamped, penetrating steel strand holes through the steel strand holes, and connecting the plurality of hyperbolic anchor head structures into a whole until the whole slope surface needing protection is covered;

s7, planting seeds suitable for slope greening plants in the soil layer of the greening groove, spraying the seeds below the holes of the first partition plate, and adding a proper amount of water.

A slope protection device with a hyperbolic anchor head structure comprises an anchor rod and a prefabricated protection plate; the prefabricated protection plate is of a hyperbolic flat shell structure; one end of the anchor rod penetrates through an anchor rod hole in the center of the prefabricated protection plate and is embedded into the mountain body, the other end of the anchor rod is provided with threads, and the penetrating prefabricated protection plate is fastened on the slope surface of the mountain body through locking of a bolt structure; the concave surface of the prefabricated protection plate faces the outer side of the mountain body, and the hyperbolic convex surface is in contact with the slope surface to bear pressure, so that the stress is uniformly dispersed. The device adopts the hyperbolic flat shell guard plate of prefabricated formula to splice into domatic protector, adopts the stock to fasten prefabricated guard plate on domatic, and the bottom sets up greening groove, utilizes natural precipitation to make vegetation wherein, simple structure, and the construction is maintained conveniently, and the protecting effect is good, and drainage and greening effect are good.

In the preferred scheme, the prefabricated protection plate comprises a hyperbolic flat shell structure which is formed by prefabricating a hyperbolic frame through a steel mesh and pouring concrete, and longitudinal and transverse rib grooves are formed in concave surfaces of the hyperbolic flat shell structure and matched with ribs of a curved plate-shaped structure to structurally reinforce the prefabricated protection plate. The structure is simple, and when the novel steel bar net is used, the built-in steel bar net piece enables the stress to be uniform, firmer and not easy to damage; the double-curved flat shell is uniformly stressed and dispersed, and the concrete has the characteristic of being not pulled under pressure, so that the anchoring effect is effectively improved; the mountain body of the contact surface is also processed into a double-curved structure, and the soil arch effect can be effectively utilized, so that the self anti-deformation capability of the soil body is exerted, and the service life of the component is prolonged.

In a preferred scheme, the edge of the prefabricated protection plate is provided with a tooth structure, the tooth structure is a block structure with a through steel strand hole formed in the side surface, and the tooth structure is uniformly distributed on the edge of the prefabricated protection plate; a plurality of tooth structures of adjacent prefabricated guard plate interlock each other, pass the steel hank silk hole through the steel hank silk, connect into a whole with a plurality of prefabricated guard plates. Simple structure, during the use, adopt tooth-like linking up and steel strand wires to connect, make single component establish ties as a whole, make the atress homodisperse, a whole can form an isoplanar layer simultaneously, is favorable to getting rid of precipitation, effectively prevents the erosion destruction.

In a preferred scheme, a greening groove is formed in the bottom of a prefabricated protection plate, the greening groove is of a hollow cuboid structure with an opening in the upper surface, a first partition plate and a second partition plate which are different in height are arranged inside the greening groove, and the interior of the greening groove is divided into a vegetation layer, a soil layer and a water storage layer from top to bottom; the side panels on two sides of the soil layer are provided with drain pipes, and the first partition plate and the second partition plate are both flat plate structures with round holes on the surfaces; a layer of geotextile is laid on the inner wall of the soil layer, and soil is laid on the geotextile. The structure is simple, when the device is used, the first partition plate can prevent soil from being directly exposed, so that the water loss is reduced, and the soil loss caused by rain wash can be prevented; the redundant rainwater flows into the water storage layer through the second partition plate at the bottom of the soil layer, so that the water can be provided for the soil layer when no rainfall exists; the excess water is discharged through the drain pipe, so that the phenomenon that the water is over-full and excessively full to damage vegetation can be prevented; the geotextile can only allow water to pass through, and the soil is ensured not to run off from the drainage pipe and the holes of the second partition plate.

In a preferred scheme, the anchor rod is a hollow rod-shaped structure which is made of glass fiber materials and is provided with an opening at the upper bottom surface and a closed lower bottom surface, the outer surface of the top of the anchor rod is provided with threads, the outer surface of the top of the anchor rod is matched with a fastening nut to fasten a prefabricated protection plate, and the inner wall of the top of the anchor rod is also provided with threads which can be matched with threads of a water pump to; the bottom end of the outer surface thread of the anchor rod is sleeved with a grout stop plug. Simple structure, during the use, the glass fiber material has concurrently merrily and lightheartedly nature and high strength simultaneously, and the screw thread of inner wall can cooperate the water pumper, with the moisture of massif inlayer via the inside discharge of hollow stock, not only protects surperficial earth not washed away and runs off, also can prevent to take place to collapse after the saturation of inside soil retaining.

In the preferred scheme, the middle section of the anchor rod is a drainage section, the surface of the drainage section is provided with a plurality of drainage holes, and the drainage section is wrapped by a layer of sand filtering net. The structure is simple, and when the water drainage section is used, water in the inner layer of the mountain can be drained through the inside of the anchor rod when rainfall is heavy in the water drainage section; the sand filter screen can prevent sand from blocking the drain hole.

In preferred scheme, the barb of a plurality of co-altitude goes out the thick liquid mouth, and barb play thick liquid mouth carries out confined opening for being connected with elastic steel piece on the surface outside the stock drainage section, and when receiving pressure, elastic steel piece outwards opens. Simple structure, during the use, during the grout, inside the stock was injected to the concrete thick liquids, struts the elastic steel sheet, opened barb grout outlet, both can guarantee that the thick liquid is consolidated with the gap of massif via grout outlet inflow stock, and stock male structural stability has been strengthened again to the barb of strutting.

In a preferred scheme, the construction method of the slope protection device with the hyperbolic anchor head structure comprises the following steps:

s1, prefabricating anchor rods and prefabricated protection plates with proper sizes and numbers according to the actual construction requirements;

s2, hollowing out the construction surface, and increasing the contact area between the convex surface of the prefabricated protection plate and the construction slope surface;

s3, excavating an anchor rod groove on the construction slope surface to enable the diameter of the groove to be slightly larger than that of the anchor rod, enabling the top with threads of the anchor rod to be exposed to the outside due to the depth of the groove, then inserting the anchor rod into the anchor rod groove, inserting a grouting pipe into the anchor rod to perform grouting to the hollow interior of the anchor rod, and enabling concrete grout to prop open elastic steel sheets on a barb grout outlet and flow into and fill gaps between the anchor rod and a mountain body;

s4, when grouting to the drainage section, stopping grouting, adding gravel into the drainage section, continuing grouting when the gravel exceeds the drainage section, stopping grouting when the gravel reaches the position of a grout stop plug, drawing out a grouting pipe, and after the concrete is dried and solidified, leaving a through circular groove in the concrete inside the anchor rod by the grouting pipe for drainage;

s5, penetrating the prefabricated protection plate at the exposed top end of the anchor rod through the anchor rod hole in the center, and fixing the prefabricated protection plate on the slope surface by using a fastening nut to match with the thread at the top end of the anchor rod;

s6, repeating S1-S5, installing a plurality of hyperbolic anchor head structures on adjacent slope surfaces, adjusting angles to enable tooth structures on prefabricated protection plates of the adjacent hyperbolic anchor head structures to be mutually clamped, penetrating steel strand holes through the steel strand holes, and connecting the plurality of hyperbolic anchor head structures into a whole until the whole slope surface needing protection is covered;

s7, planting seeds suitable for slope greening plants in the soil layer of the greening groove, spraying the seeds below the holes of the first partition plate, and adding a proper amount of water.

A slope protection device with a hyperbolic anchor head structure comprises an anchor rod and a prefabricated protection plate; the prefabricated protection plate is of a hyperbolic flat shell structure; one end of the anchor rod penetrates through an anchor rod hole in the center of the prefabricated protection plate and is embedded into the mountain body, the other end of the anchor rod is provided with threads, and the penetrating prefabricated protection plate is fastened on the slope surface of the mountain body through locking of a bolt structure; the concave surface of the prefabricated protection plate faces the outer side of the mountain body, and the hyperbolic convex surface is in contact with the slope surface to bear pressure, so that the stress is uniformly dispersed. The device adopts prefabricated hyperbolic flat shell guard plate to splice into domatic protector, adopts the stock to fasten prefabricated guard plate on domatic, and the bottom sets up afforestation groove, utilizes natural precipitation to make vegetation wherein. The device has solved the current formula of pouring protection technology construction degree of difficulty big, the problem that the maintenance cost is high to and the poor problem of current prefabricated formula protector protection effect, have simple structure, the construction is maintained conveniently, and the protecting effect is good, the good characteristics of drainage and afforestation effect.

Drawings

Fig. 1 is a schematic view of a hollow anchor according to the present invention.

Fig. 2 is a schematic view of a double-curved flat shell macro and tooth part according to the present invention.

Fig. 3 is a schematic view of the concave surface of the double-curved flat shell according to the present invention.

Fig. 4 is a side view of a double-curved flat shell according to the present invention.

Fig. 5 is a front view of the greening groove according to the present invention.

Fig. 6 is a left side view of the greening groove according to the present invention.

Fig. 7 is a plan view of the greening groove according to the present invention.

The reference numbers in the figures are: the anchor rod 1, the fastening nut 11, the grout stop plug 12, the drain hole 13, the barb grout outlet 14, the prefabricated protection plate 2, the anchor rod hole 21, the reinforcing mesh 22, the rib groove 23, the rib 24, the tooth structure 3, the steel twisted wire hole 31, the greening groove 4, the first partition plate 41, the second partition plate 42, the drain pipe 43 and the sand filter screen 5.

Detailed Description

As shown in fig. 1 ~ and fig. 7, the hyperbolic anchor head structure side slope protection device comprises an anchor rod 1 and a prefabricated protection plate 2, wherein the prefabricated protection plate 2 is of a hyperbolic flat shell structure, one end of the anchor rod 1 penetrates through an anchor rod hole 21 in the center of the prefabricated protection plate 2 and is embedded into a mountain body, threads are arranged at the other end of the anchor rod 1 and locked through a bolt structure, the penetrating prefabricated protection plate 2 is fastened on a slope surface of the mountain body, a concave surface of the prefabricated protection plate 2 faces the outer side of the mountain body, and a hyperbolic convex surface is in contact with the slope surface to bear pressure so that stress is uniformly dispersed.

In a preferred scheme, the prefabricated protection plate 2 comprises a hyperbolic flat shell structure which is formed by prefabricating a hyperbolic framework through a steel mesh 22 and pouring concrete, and longitudinal and transverse rib grooves 23 are formed in concave surfaces of the hyperbolic flat shell structure and matched with ribs 24 of a curved plate-shaped structure to structurally reinforce the prefabricated protection plate 2. The structure is simple, when in use, the reinforcing mesh 22 pieces are arranged in the steel bar net, so that the stress is uniform, the steel bar net is firmer and is not easy to damage; the double-curved flat shell is uniformly stressed and dispersed, and the concrete has the characteristic of being not pulled under pressure, so that the anchoring effect is effectively improved; the mountain body of the contact surface is also processed into a double-curved structure, and the soil arch effect can be effectively utilized, so that the self anti-deformation capability of the soil body is exerted, and the service life of the component is prolonged.

In the preferred scheme, the edge of the prefabricated protection plate 2 is provided with a tooth structure 3, the tooth structure 3 is a block structure with a side surface provided with a through steel strand hole 31, and the tooth structure is uniformly distributed on the edge of the prefabricated protection plate 2; the tooth structures 3 of the adjacent prefabricated protection plates 2 are mutually clamped in a staggered mode, and the steel stranded wires penetrate through the steel stranded wire holes 31 to connect the prefabricated protection plates 2 into a whole. Simple structure, during the use, adopt tooth-like linking up and steel strand wires to connect, make single component establish ties as a whole, make the atress homodisperse, a whole can form an isoplanar layer simultaneously, is favorable to getting rid of precipitation, effectively prevents the erosion destruction.

In a preferred scheme, a greening groove 4 is formed in the bottom of the prefabricated protection plate 2, the greening groove 4 is of a hollow cuboid structure with an opening in the upper surface, a first partition plate 41 and a second partition plate 42 which are different in height are arranged in the greening groove, and the interior of the greening groove 4 is divided into a vegetation layer, a soil layer and a water storage layer from top to bottom; the side panels at two sides of the soil layer are provided with drain pipes 43, and the first partition plate 41 and the second partition plate 42 are both flat plate structures with round holes on the surfaces; a layer of geotextile is laid on the inner wall of the soil layer, and soil is laid on the geotextile. The structure is simple, when the device is used, the first partition plate 41 can prevent soil from being directly exposed, so that the water loss is reduced, and the soil loss caused by rain wash can be prevented; the redundant rainwater flows into the water storage layer through the second partition plate 42 at the bottom of the soil layer, so that the water can be provided for the soil layer when no rainfall exists; the excess water is discharged through the water discharge pipe 43, so that the phenomenon that the stored water is over-full and the vegetation is damaged can be prevented; the geotextile can only allow water to pass through, and the soil is ensured not to be lost from the drainage pipe 43 and the hole of the second partition plate 42.

In the preferred scheme, the anchor rod 1 is a hollow rod-shaped structure which is made of glass fiber materials and has an opening at the upper bottom surface and a closed lower bottom surface, the outer surface of the top of the anchor rod is provided with threads which are matched with the fastening nut 11 to fasten the prefabricated protection plate 2, and the inner wall of the top of the anchor rod is also provided with threads which can be matched with the threads of a water pump to pump water; the bottom end of the outer surface thread of the anchor rod 1 is sleeved with a grout stop plug 12. Simple structure, during the use, the glass fiber material has concurrently merrily and lightheartedly nature and high strength simultaneously, and the screw thread of inner wall can cooperate the water pumper, with the moisture of massif inlayer via the inside discharge of hollow stock 1, not only the earth on protection surface is not washed away and is run off, also can prevent that inside soil impoundment from taking place to collapse after saturating.

In the preferred scheme, the middle section of the anchor rod 1 is a drainage section, the surface of the drainage section is provided with a plurality of drainage holes 13, and the drainage section is wrapped by a layer of sand filtering net 5. The structure is simple, and when the water drainage section is used, water in the inner layer of the mountain can be drained through the anchor rod 1 when rainfall is heavy; the sand screen 5 can prevent sand from blocking the drain hole 13.

In the preferred scheme, a plurality of not co-altitude barb grout outlet 14 have been seted up on the surface outside the stock 1 drainage section, and barb grout outlet 14 carries out confined opening for being connected elastic steel piece, and when receiving pressure, elastic steel piece outwards opens. Simple structure, during the use, during the grout, inside concrete slurry injected into stock 1, strut the elasticity steel sheet, open barb grout outlet 14, both can guarantee that the thick liquid is consolidated via the gap of grout outlet inflow stock 1 with the massif, and stock 1 male structural stability has been strengthened again to the barb of strutting.

In a preferred scheme, the construction method of the slope protection device with the hyperbolic anchor head structure comprises the following steps:

s1, prefabricating anchor rods 1 and prefabricated protection plates 2 with proper sizes and numbers according to actual construction requirements;

s2, hollowing out the construction surface part, and increasing the contact area between the convex surface of the prefabricated protection plate 2 and the construction slope surface;

s3, digging out a groove of the anchor rod 1 on the construction slope, enabling the diameter of the groove to be slightly larger than that of the anchor rod 1, enabling the top with threads of the anchor rod 1 to be exposed out due to the depth of the groove, then inserting the anchor rod 1 into the groove of the anchor rod 1, inserting a grouting pipe into the anchor rod 1 to perform grouting to the hollow interior of the anchor rod 1, and propping up the elastic steel sheet on the barb grout outlet 14 by concrete grout to flow into and fill the gap between the anchor rod 1 and the mountain;

s4, when grouting to the drainage section, stopping grouting, adding gravel into the drainage section, continuing grouting when the gravel exceeds the drainage section, stopping grouting when the gravel reaches the position of the grout stop plug 12, drawing out the grouting pipe, and after the concrete is dried and solidified, leaving a through circular groove in the concrete inside the anchor rod 1 for drainage by the grouting pipe;

s5, penetrating the prefabricated protection plate 2 at the exposed top end of the anchor rod 1 through the anchor rod hole 21 in the center, and fixing the prefabricated protection plate 2 on a slope surface by using the fastening nut 11 to match with the thread at the top end of the anchor rod 1;

s6, repeating S1-S5, installing a plurality of hyperbolic anchor head structures on adjacent slope surfaces, adjusting angles, enabling tooth structures 3 on prefabricated protection plates 2 of the adjacent hyperbolic anchor head structures to be mutually clamped, penetrating steel strands through steel strand holes 31, and connecting the plurality of hyperbolic anchor head structures into a whole until the whole slope surface needing protection is covered;

s7, planting seeds suitable for slope greening plants in the soil layer of the greening groove 4, sprinkling the seeds under the holes of the first partition plate 41, and adding a proper amount of water.

When the hyperbolic anchor head structure side slope protection device is installed and used, the prefabricated protection plate 2 is of a hyperbolic flat shell structure; one end of the anchor rod 1 penetrates through an anchor rod hole 21 in the center of the prefabricated protection plate 2 and is embedded into the mountain body, the other end of the anchor rod is provided with threads, and the penetrating prefabricated protection plate 2 is fastened on the slope surface of the mountain body through locking of a bolt structure; the concave surface of the prefabricated protection plate 2 faces the outer side of the mountain body, and the hyperbolic convex surface is in contact with the slope surface to bear pressure, so that the stress is uniformly dispersed. The device adopts prefabricated hyperbolic flat shell guard plate to splice into domatic protector, adopts stock 1 to fasten prefabricated guard plate 2 on domatic, and the bottom sets up greening groove 4, utilizes natural precipitation to make vegetation wherein, simple structure, and the construction is maintained conveniently, and the protecting effect is good, and drainage and afforestation effect are good.

When the prefabricated protection plate is used, the prefabricated protection plate 2 comprises a hyperbolic flat shell structure which is formed by prefabricating a hyperbolic framework through a steel mesh 22 and pouring concrete, longitudinal and transverse rib grooves 23 are formed in the concave surface of the prefabricated protection plate and matched with ribs 24 of a curved plate-shaped structure to structurally reinforce the prefabricated protection plate 2, and the steel mesh 22 is arranged in the prefabricated protection plate to enable the prefabricated protection plate to be stressed uniformly, firm and not easy to damage; the double-curved flat shell is uniformly stressed and dispersed, and the concrete has the characteristic of being not pulled under pressure, so that the anchoring effect is effectively improved; the mountain body of the contact surface is also processed into a double-curved structure, and the soil arch effect can be effectively utilized, so that the self anti-deformation capability of the soil body is exerted, and the service life of the component is prolonged.

When the prefabricated protection plate is used, the tooth structure 3 is arranged at the edge of the prefabricated protection plate 2, the tooth structure 3 is a block-shaped structure with a through steel strand hole 31 formed in the side surface, and the tooth structure is uniformly distributed at the edge of the prefabricated protection plate 2; a plurality of tooth structures 3 of adjacent prefabricated guard plate 2 block each other crisscross, pass steel hank silk hole 31 through the steel hank silk, connect into a whole with a plurality of prefabricated guard plates 2, adopt tooth-like linking and steel strand wires to connect, make single component establish ties to a whole, make atress homodisperse, a whole can form an isoplanar layer simultaneously, is favorable to getting rid of precipitation, effectively prevents the erosion destruction.

When the greening device is used, the bottom of the prefabricated protection plate 2 is provided with the greening groove 4, the greening groove 4 is of a hollow cuboid structure with an opening in the upper surface, the interior of the greening groove is provided with the first partition plate 41 and the second partition plate 42 which are different in height, and the interior of the greening groove 4 is divided into a vegetation layer, a soil layer and a water storage layer from top to bottom; the side panels at two sides of the soil layer are provided with drain pipes 43, and the first partition plate 41 and the second partition plate 42 are both flat plate structures with round holes on the surfaces; a layer of geotextile is laid on the inner wall of the soil layer, soil is laid on the geotextile, and the first partition plate 41 can prevent the soil from being directly exposed, so that the water loss is reduced, and the soil loss caused by rain wash can be prevented; the redundant rainwater flows into the water storage layer through the second partition plate 42 at the bottom of the soil layer, so that the water can be provided for the soil layer when no rainfall exists; the excess water is discharged through the water discharge pipe 43, so that the phenomenon that the stored water is over-full and the vegetation is damaged can be prevented; the geotextile can only allow water to pass through, and the soil is ensured not to be lost from the drainage pipe 43 and the hole of the second partition plate 42.

When the water pump is used, the anchor rod 1 is a hollow rod-shaped structure which is made of glass fiber materials and is provided with an opening on the upper bottom surface and a closed lower bottom surface, the outer surface of the top of the anchor rod is provided with threads, the outer surface of the top of the anchor rod is matched with the fastening nut 11 to fasten the prefabricated protection plate 2, and the inner wall of the top of the anchor rod is also provided with threads which can be matched with the; the bottom department cover of 1 surface screw thread of stock is equipped with only to starch stopper 12, and the glass fiber material has lightness nature and high strength simultaneously concurrently, and the screw thread of inner wall can cooperate the water pumper, and with the moisture of massif inlayer via the inside discharge of hollow stock 1, not only the earth on protective surface is not washed away and runs off, also can prevent that inside soil impoundment from taking place to collapse after saturated.

When the water-saving anchor rod is used, the middle section of the anchor rod 1 is a drainage section, the surface of the drainage section is provided with a plurality of drainage holes 13, the drainage section is wrapped with a layer of sand filtering net 5, and the drainage section can drain water in the inner layer of a mountain through the inside of the anchor rod 1 when rainfall is more; the sand screen 5 can prevent sand from blocking the drain hole 13.

During the use, barb grout outlet 14 of a plurality of co-altitude has been seted up on the surface outside the 1 drainage section of stock, barb grout outlet 14 carries out confined opening for being connected elastic steel piece, when receiving pressure, elastic steel piece outwards opens, during the grout, concrete slurry pours into inside the stock 1, struts elastic steel piece, open barb grout outlet 14, both can guarantee that the thick liquid is consolidated via the gap of grout outlet inflow stock 1 with the massif, stock 1 male structural stability has been strengthened again to the barb of strutting.

When the anchor rod 1 and the prefabricated protection plate 2 are used, the anchor rod 1 and the prefabricated protection plate 2 with proper sizes and numbers are prefabricated according to the requirements of actual construction, the construction surface is partially hollowed, the contact area between the convex surface of the prefabricated protection plate 2 and the construction slope surface is increased, the anchor rod 1 groove is excavated on the construction slope surface, the diameter of the groove is slightly larger than that of the anchor rod 1, the depth of the groove enables the top with threads of the anchor rod 1 to be exposed outside, then the anchor rod 1 is inserted into the anchor rod 1 groove, a grouting pipe is inserted into the anchor rod 1 to perform grouting to the hollow interior of the anchor rod 1, and concrete slurry props up elastic steel sheets on the barb slurry outlet 14 and flows into and fills gaps between the anchor rod 1 and; when grouting is carried out to the drainage section, stopping grouting, adding gravel into the drainage section, continuing grouting when the gravel exceeds the drainage section, stopping grouting when the gravel reaches the position of the grout stop plug 12, drawing out the grouting pipe, and after the concrete is dried and cured, leaving a through circular groove in the concrete inside the anchor rod 1 for drainage by the grouting pipe; penetrating the prefabricated protection plate 2 at the exposed top end of the anchor rod 1 through an anchor rod hole 21 in the center, and fixing the prefabricated protection plate 2 on the slope surface by using a fastening nut 11 to match with threads at the top end of the anchor rod 1; repeating the steps, installing a plurality of hyperbolic anchor head structures on adjacent slope surfaces, adjusting the angle to enable the tooth structures 3 on the prefabricated protection plates 2 of the adjacent hyperbolic anchor head structures to be mutually clamped, penetrating steel strands through the steel strand holes 31, and connecting the plurality of hyperbolic anchor head structures into a whole until the whole slope surface needing protection is covered; finally, seeds suitable for slope greening plants are planted in the soil layer of the greening groove 4, the seeds are sprinkled below the holes of the first partition plate 41, and a proper amount of water is added, the slope protection device can be constructed, a large amount of construction cost is saved, the prefabricated assembly structure also enables later maintenance and replacement to be very convenient, and the hyperbolic structure is matched with the anchor rod 1 inserted into a mountain body, so that good pressure bearing capacity is also provided.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.