阅读说明：本技术 高速公路防路面结冰结构、融冰装置及其方法 (Highway anti-icing structure, ice melting device and method ) 是由 王海越 冯帅 于 2020-04-30 设计创作，主要内容包括：本发明涉及高速公路防路面结冰结构、融冰装置及其方法,本包括防路面结冰结构,融冰装置,所述防路面结冰结构设置在高速公路结冰段,其沿高速公路线路走向的两端皆与普通高速公路段连通,所述融冰装置设置在所述防路面结冰结构中；使用上述融冰装置对结冰路面机械除冰的方法,包括如下步骤：S1、温度传感器监测并发现路面已经结冰；S2、若判断出路面已经结冰,进一步地,通过处理器控制蓄电池对发热电缆通电；S3、发热电缆将电能转换为热能；S4、热能对发热体进行加热；S5、发热体产生的热量传递至路面并对路面的冰层进行热融；通过上述方案实现了对高速公路结冰路面的冰雪进行融化的技术,同时通过相关结构的改进提升了融冰效率。(The invention relates to an anti-icing structure of a highway, an ice melting device and a method thereof, wherein the anti-icing structure of the highway and the ice melting device are arranged in the anti-icing section of the highway, both ends of the anti-icing structure along the route of the highway are communicated with a common highway section, and the ice melting device is arranged in the anti-icing structure of the highway; the method for mechanically deicing the iced road surface by using the deicing device comprises the following steps: s1, monitoring and finding that the road surface is frozen by a temperature sensor; s2, if the road surface is judged to be frozen, further controlling the storage battery to electrify the heating cable through the processor; s3, converting the electric energy into heat energy by the heating cable; s4, heating the heating element by heat energy; s5, transferring heat generated by the heating element to the road surface and carrying out hot melting on the ice layer of the road surface; the ice and snow melting technology for the frozen road surface of the expressway is realized through the scheme, and meanwhile, the ice melting efficiency is improved through the improvement of the related structure.)

1. Highway anti-icing structure, its characterized in that: the ice-melting device comprises an ice-preventing structure (1) and an ice-melting device (2), wherein the ice-preventing structure (1) is arranged on an ice-forming section of the expressway, two ends of the ice-preventing structure along the line direction of the expressway are communicated with a common expressway section, and the ice-melting device (2) is arranged in the ice-preventing structure (1);

anti-icing structure (1) of road surface includes road bed fill layer (11), basic unit (12), boulder water seepage layer (13), filter layer (14), sclerosis layer (15), generate heat layer (16), road surface (17), a plurality of lane line, barricade (18), escape canal (19), road bed fill layer (11) set up on the road bed, basic unit (12) set up on road bed fill layer (11), it adopts cast in situ concrete to harden, and its top is certain contained angle along the road center line and descends to road side line, boulder water seepage layer (13) set up on basic unit (12), filter layer (14) set up on the water seepage layer, sclerosis layer (15) set up on filter layer (14), generate heat layer (16) and set up on sclerosis layer (15), road surface (17) set up the upper portion on layer (16) generates heat, the lane lines are uniformly distributed on the road surface (17), the retaining walls (18) are symmetrically arranged on two sides of the roadbed filling layer (11) along the highway line, the tops of the retaining walls are aligned with the road surface (17), and the drainage ditches (19) are arranged on the outer sides of the retaining walls (18);

the ice melting device (2) comprises a plurality of heating cables (21), a solar panel (22), a storage battery (23), a temperature sensor (24) and a control unit, wherein the heating cables (21) are tree-root-shaped and extend into the heating layer (16), the temperature sensor (24) is arranged between the highway pavement (17) and the heating layer (16) and is electrically communicated with the input end of the control unit, the control unit is electrically communicated with the heating cables (21) through leads, the storage battery (23) supplies power for the heating cables (21), the temperature sensor (24) and the control unit, the storage battery (23) is electrically communicated with the solar panel (22) through leads, and the solar panel (22) is arranged on the outer side of the drainage ditch (19);

the control unit comprises a memory, a processor and a driving circuit, the processor is electrically communicated with the memory and is also electrically communicated with the temperature sensor (24), one end of the driving circuit is electrically communicated with the processor, and the other end of the driving circuit is electrically communicated with the heating cable (21).

2. The highway anti-icing structure according to claim 1, wherein: the boulder seepage layer (13) adopts boulders with the particle size of 200-800mm and the dry compressive strength of more than 90 MPa, and gaps among the boulders are filled with stones with the dry compressive strength of more than 98 MPa.

3. The highway anti-icing structure according to claim 1, wherein: retaining wall (18) include wall body (181), a plurality of wash port (182), filter screen (183), retaining wall (18) are reinforced concrete retaining wall (18), wash port (182) horizontal equipartition is on retaining wall (18), and its aperture is 1-20mm, and it is located boulder water seepage layer (13) position, filter screen (183) set up on retaining wall (18) relative face, and it is used for blockking the building stones of filling between the boulder.

4. The highway anti-icing structure according to claim 1, wherein: the heating layer (16) is formed by pressing steel slag concrete on site, and a plurality of water through holes with the aperture of 1-20mm are vertically arranged on the heating layer (16).

5. The highway anti-icing structure according to claim 1, wherein: the pavement (17) layer is formed of porous asphalt concrete.

6. The anti-icing structure for expressways according to claim 1, characterized in that: the heating temperature of the heating cable (21) is not higher than 80 ℃.

7. A construction method of an anti-icing structure of a highway is characterized by comprising the following steps: the method comprises the following steps:

s1, constructing a roadbed filling layer (11);

when a roadbed filling layer (11) is applied, firstly, humus soil, mucky soil and the like of a roadbed at a road section to be constructed are excavated, after the excavation is finished, a layered filling method is adopted, the filling thickness of each layer is not more than 0.5m, and a heavy vibratory roller with the working mass of more than 18t is adopted for rolling; the strength of the aggregate for filling is not less than 30Mpa, and the maximum grain size of the stone is not more than 2/3 of the layer thickness;

s2, constructing a base layer (12);

when the foundation layer (12) is constructed, firstly cleaning the surface layer of the replacement filling layer, further, erecting a formwork on two sides, further, pouring by utilizing concrete after formwork erecting is finished, wherein the strength of the concrete is C10-C25, continuous vibration and top leveling are needed during pouring, a herringbone slope is needed to be arranged at the top of the foundation layer (12) during leveling, and the slope range of the herringbone slope is 0.1% -10%;

s3, constructing two side retaining walls (18);

when constructing the retaining walls (18) at two sides, firstly, grooving is carried out, the grooving depth and the groove wall gradient need to be noticed when grooving, and the groove wall gradient range is 0.1-5%; clearing the grooves after the grooving is finished, binding and placing the reinforcing mesh, and further pouring concrete, wherein the concrete strength is C25-C40, and rubble or stone slab concrete is adopted;

s4, constructing a boulder permeable layer (13);

when a boulder seepage layer (13) is applied, firstly, boulders are polished, stones which are subjected to wind deformation, strong weathering and complete weathering on the boulders are mainly polished during polishing, then, the boulders are installed, the boulders need to be arranged once during installation, gaps among the boulders are filled by utilizing aggregate, the particle size of the boulders is 200-800mm, the dry compressive strength of the boulders is over 90 MPa, and the gaps among the boulders are filled by adopting stones with the dry compressive strength of over 98 MPa;

s5, constructing a filter layer (14);

when the filter layer (14) is constructed, at least one layer of geotextile is laid firstly;

s6, applying a hardening layer (15);

when the hardened layer (15) is constructed, firstly installing a drain pipe, selecting a PVC pipe with the pipe diameter of 5-35mm for the drain pipe, then pouring concrete, adopting C10-C25 fine stone concrete for concrete strength, leveling after pouring is finished, arranging a herringbone slope at the top of the base layer (12) during leveling, wherein the gradient range of the herringbone slope is 0.1% -10%;

s7, applying a heating layer (16);

when the heating layer (16) is applied, firstly, the bottom heating layer (16) is poured, the heating cable (21) of the ice melting device (2) is installed after the pouring is finished, the upper concrete is further poured, the concrete is C25-C45 steel slag concrete, and after the pouring is finished, the heating cable (21) is electrically communicated with the storage battery (23) through a lead;

s8, constructing a road surface (17), a lane line and a drainage ditch (19).

8. The construction method of the anti-icing structure for expressways according to claim 7, characterized in that: in step S4, when the boulder layer is applied, the boulder is first selected and the selected boulder is processed, the weathered layer on the surface of the boulder is mainly processed, the processed boulder is processed into a more regular three-dimensional structure, after the processing is completed, the boulder is placed, and then stone materials are filled into gaps between the boulder.

9. The construction method of the anti-icing structure for expressways according to claim 7, characterized in that: in step S7, when the heating layer (16) is applied, a drainage steel pipe needs to be installed, the steel pipe is vertically installed, the pipe diameter of the steel pipe is 5-25mm, and the pipe spacing is 0.5-5 m.

10. A method for melting ice on an iced road surface of an expressway is characterized by comprising the following steps: the method comprises the following steps:

s1, monitoring the temperature of the road surface (17) by a temperature sensor (24) and judging whether the ice is formed or not;

s2, if the road surface is judged to be frozen, the processor controls the storage battery (23) to electrify the heating cable (21);

s3, converting the electric energy into heat energy by the heating cable (21);

s4, heating the heating element by heat energy;

s5, the heat generated by the heating element is transferred to the road surface (17) and the ice layer of the road surface (17) is melted.

Technical Field

The invention relates to the technical field of heating and deicing of expressways, in particular to the technical field of deicing on frozen surfaces of expressways by heating cables, and specifically relates to an anti-icing structure, an ice melting device and an anti-icing method for expressways.

Background

The road ice and snow disaster brings great loss to a plurality of countries around the world every year. All countries in the world pay attention to the problem of treating the road accumulated snow and ice for a long time, a large number of related experimental researches are carried out, and various technical methods for treating the road accumulated snow and ice are explored. In summary, the methods for managing the accumulated snow and the ice on the road surface mainly include two types, namely a removing method and a melting method:

1) the cleaning method can be divided into manual cleaning and mechanical cleaning;

2) melting methods are classified into chemical methods and thermal melting methods.

At present, manual clearing methods and mechanical clearing methods are mostly applied, but the cost is high and the road surface can be greatly damaged. The snow-melting agent is also the main direction of research at present, and the most used is chloride salt at present, so the cost is high and the road surface is greatly damaged. The heat thawing method mainly utilizes heat generated by terrestrial heat, electric heat, fuel gas and the like to thaw the snow on the road surface. The important road sections of high-grade roads, gas stations in high-speed service areas, airport take-off and landing runways and the like adopt various different methods to melt snow and ice, and a large amount of snow melting agent is commonly used. However, the use of chemical snow-melting agents has increased year by year, and the negative effects on the pavement structure and ecological environment have become increasingly prominent, such as: the steel bar corrosion, pavement and pavement denudation damage, soil hardening, underground water pollution, vegetation damage and the like cause certain harm to human life. With the continuous development of the technology, a novel snow and ice melting technology continuously emerges, more researches adopt an electrothermal conversion method to melt snow and ice at present, the technology can improve the energy utilization rate, is clean and environment-friendly, and is suitable for melting snow and ice at local road sections such as airport pavements, expressways and the like.

Disclosure of Invention

The invention aims to: provided are an anti-icing structure of a highway, an ice melting device and a method thereof, which are used for realizing the technology of melting ice on the iced pavement of the highway. According to the ice melting device, the ice-icing structure of the highway is adopted, the ice and snow on the ice-icing surface of the highway are melted through the ice-icing preventing structure, the ice melting device and other structures, and meanwhile, the ice melting efficiency is improved through the improvement of the related structures. The ice and snow melting technology for the frozen pavement of the expressway can be used, and meanwhile, the ice melting efficiency is improved through the improvement of the related structure.

In order to realize the technical scheme, the invention is realized by the following technical scheme:

the anti-icing structure for the expressway comprises an anti-icing structure and an ice melting device, wherein the anti-icing structure is arranged on an icing section of the expressway, two ends of the anti-icing structure along the line direction of the expressway are communicated with a common expressway section, and the ice melting device is arranged in the anti-icing structure;

the anti-icing structure comprises a roadbed filling layer, a foundation layer, a boulder water seepage layer, a filter layer, a hardening layer, a heating layer, a road surface, a plurality of lane lines, a retaining wall and a drainage ditch, wherein the roadbed filling layer is arranged on a roadbed, the foundation layer is arranged on the roadbed filling layer, the roadbed filling layer is hardened by cast-in-place concrete, the top of the foundation layer is descended to a lane line along the center line of the road at a certain included angle, the boulder water seepage layer is arranged on the foundation layer, the filter layer is arranged on the water seepage layer, the hardening layer is arranged on the filter layer, the heating layer is arranged on the hardening layer, the road surface is arranged on the upper part of the heating layer, the lane lines are uniformly distributed on the road surface, the retaining wall is symmetrically arranged on two sides of the roadbed filling layer along the highway line, the top of the retaining wall is aligned with the road surface, and the drainage;

the ice melting device comprises a plurality of heating cables, a solar cell panel, a storage battery, a temperature sensor and a control unit, wherein the heating cables extend in a tree root shape and are arranged in the heating layer, the temperature sensor is arranged between a road surface and the heating layer and is electrically communicated with the input end of the control unit, the control unit is electrically communicated with the heating cables through wires, the storage battery supplies power to the heating cables, the temperature sensor and the control unit, the storage battery is electrically communicated with the solar cell panel through the wires, and the solar cell panel is arranged on the outer side of the drainage ditch;

the control unit comprises a memory, a processor and a driving circuit, the processor is electrically communicated with the memory and is also electrically communicated with the temperature sensor, one end of the driving circuit is electrically communicated with the processor, and the other end of the driving circuit is electrically communicated with the heating cable;

when the road surface is frozen, the heating cable generates heat and heats the heating layer, and the heat generated by the heating layer thermally melts the ice layer.

In order to better realize the invention, as further description of the technical scheme, the boulder permeable layer adopts boulders with the particle size of 200-800mm and the dry compressive strength of more than 90 MPa, and gaps among the boulders are filled with stones with the dry compressive strength of more than 98 MPa.

As the further description of the above technical scheme, the barricade includes the wall body, a plurality of wash ports, the filter screen, the barricade is reinforced concrete barricade, the horizontal equipartition of wash port is on the barricade, and its aperture is 1-20mm, and it is located boulder water seepage layer position, the filter screen sets up on the relative face of barricade, and it is used for blockking the building stones of packing between the boulder.

As further description of the technical scheme, the heating layer is formed by pressing steel slag concrete on site, and a plurality of water through holes with the diameter of 1-20mm are vertically arranged on the heating layer.

As a further description of the above solution, the pavement layer is formed of porous asphalt concrete.

As a further description of the above technical solution, the heating temperature of the heating cable is not higher than 80 ℃.

The construction method of the highway anti-icing structure comprises the following steps:

s1, constructing a roadbed filling layer;

when a roadbed filling layer is constructed, firstly, humus soil, mucky soil and the like of a roadbed at a road section to be constructed are excavated, after the excavation is finished, a layered filling method is adopted, the filling thickness of each layer is ensured not to be larger than 0.5m, and a heavy vibration road roller with the working quality of more than 18t is adopted for rolling. The strength of aggregate used for filling is not less than 30MPa, and the maximum grain size of stone is not more than 2/3 of layer thickness.

S2, constructing a basic layer;

when a foundation layer is constructed, firstly cleaning a surface layer of a replacement filling layer, further, erecting a formwork on two sides, further, pouring by utilizing concrete after formwork erecting is finished, wherein the strength of the concrete is C10-C25, continuous vibration and top leveling are needed during pouring, and a herringbone slope is needed to be arranged at the top of the foundation layer during leveling, and the slope range of the herringbone slope is 0.1-10%.

S3, constructing two side retaining walls;

when constructing the two-side retaining wall, the grooving is firstly carried out, the grooving depth and the groove wall gradient need to be noticed when the grooving is carried out, and the groove wall gradient range is 0.1-5%. And (3) clearing the groove after the groove forming is finished, binding and placing the reinforcing mesh, and further pouring concrete with the concrete strength of C25-C40 and adopting rubble or stone slab concrete.

S4, constructing a boulder permeable layer;

when a boulder seepage layer is constructed, boulders are firstly polished, stones with weathering, strong weathering and full weathering on the boulders are mainly polished during polishing, then the boulders are installed, when the boulders are installed, the boulders need to be arranged once, gaps among the boulders are filled with aggregates, the particle size of the boulders is 200-800mm, the dry compressive strength of the boulders is over 90 MPa, and the gaps among the boulders are filled with stones with the dry compressive strength of over 98 MPa.

S5, constructing a filter layer;

when the filter layer is constructed, at least one layer of geotextile is laid firstly.

S6, applying a hardening layer;

when a hardened layer is constructed, firstly, a drain pipe is installed, the drain pipe is made of a PVC pipe with the pipe diameter of 5-35mm, then concrete is poured, the concrete strength is C10-C25 fine stone concrete, leveling is carried out after pouring is finished, a herringbone slope needs to be arranged at the top of the base layer during leveling, and the gradient range of the herringbone slope is 0.1% -10%.

S7, applying a heating layer;

when the heating layer is applied, the bottom heating layer is poured, the heating cable of the ice melting device is installed after pouring is completed, the upper concrete is further poured, the concrete is C25-C45 steel slag concrete, and after pouring is completed, the heating cable is electrically communicated with the storage battery through a lead.

And S8, constructing a road surface, a lane line and a drainage ditch.

As a further description of the above construction method, in step S4, when the boulder layer is applied, the boulder is first selected and the selected boulder is processed, the weathered layer on the surface of the boulder is mainly processed, the processed boulder is processed into a more regular three-dimensional structure, after the processing is completed, the boulder is placed, and then the stone material is filled into the gaps between the boulders.

As a further description of the above construction method, in step S7, when the heating layer is applied, a steel drainage pipe needs to be installed, the steel pipe is vertically installed, the steel pipe has a pipe diameter of 5-25mm, and the pipe spacing is 0.5-5 m.

The method for deicing the frozen pavement of the expressway by utilizing the anti-icing structure of the expressway and the deicing device comprises the following steps:

s1, monitoring that the temperature of the road surface is frozen by a temperature sensor;

s2, if the road surface is judged to be frozen, further controlling the storage battery to electrify the heating cable through the processor;

s3, converting the electric energy into heat energy by the heating cable;

s4, heating the heating element by heat energy;

and S5, transferring the heat generated by the heating element to the road surface and carrying out hot melting on the ice layer on the road surface.

Compared with the prior art, the invention has the following advantages and beneficial effects:

according to the ice melting device, the ice-icing structure of the highway is adopted, the ice and snow on the ice-icing surface of the highway are melted through the ice-icing preventing structure, the ice melting device and other structures, and meanwhile, the ice melting efficiency is improved through the improvement of the related structures.

Drawings

FIG. 1 is a schematic three-dimensional structure of an anti-icing structure according to the present invention;

FIG. 2 is a schematic plan view of an anti-icing structure according to the present invention;

FIG. 3 is a schematic plan view of the ice melting apparatus of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the retaining wall of the present invention;

FIG. 5 is a schematic diagram of an ice melting process according to the present invention.

The ice-melting ice-free road comprises a 1-anti-icing structure, a 2-ice-melting device, 11-roadbed filling layer, 12-base layer, 13-boulder water seepage layer, 14-filter layer, 15-hardening layer, 16-heating layer, 17-road surface, 18-retaining wall, 19-drainage ditch, 21-heating cable, 22-solar panel, 23-storage battery, 24-temperature sensor, 181-wall body, 182-drainage hole and 183-filter screen.

Detailed Description

The present invention will be described in detail and with reference to preferred embodiments thereof, but the present invention is not limited thereto.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

The terms "upper", "lower", "left", "right", "inner", "outer", and the like, refer to orientations or positional relationships based on orientations or positional relationships illustrated in the drawings or orientations and positional relationships that are conventionally used in the practice of the products of the present invention, and are used for convenience in describing and simplifying the invention, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the invention.

Furthermore, the terms "vertical" and the like do not require absolute perpendicularity between the components, but may be slightly inclined. Such as "vertical" merely means that the direction is relatively more vertical and does not mean that the structure must be perfectly vertical, but may be slightly inclined.

In the description of the present invention, it is also to be noted that the terms "disposed," "mounted," "connected," and the like are to be construed broadly unless otherwise specifically stated or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.