阅读说明：本技术 一种绿化装配式挡土墙 (Greening assembled retaining wall ) 是由 张延年 张于于 海洪 康楠 王铁源 闫明程 于洋 李志军 陈志燕 杜松岩 董宁 于 2020-05-28 设计创作，主要内容包括：本发明公开了一种绿化装配式挡土墙,属于岩土工程领域。一种绿化装配式挡土墙,包括中间连接柱、两端连接柱、挡板、扶壁板、挡土墙基础,各个部件均为预制钢筋混凝土构件；所述挡板3通过长方形卡槽1-1与相邻的两个连接柱相连,扶壁板4设置预留外伸钢筋4-1一侧伸入后浇带1-2内,通过预留外伸钢筋4-1与预留钢筋1-3绑扎连接,连接柱、挡板3和扶壁板4嵌入挡土墙基础5上的定位凹槽5-1内,所述竖向预留钢筋5-2插入连接柱预留孔道1-4与扶壁板预留孔道4-2内。本发明提供一种绿化装配式挡土墙,主要为了开发施工方便快捷、构造简单、安全可靠、运输方便和美观绿色的装配式挡土墙。(The invention discloses a greening assembled retaining wall, and belongs to the field of geotechnical engineering. A greening assembled retaining wall comprises a middle connecting column, two end connecting columns, baffles, a wall supporting plate and a retaining wall foundation, wherein each part is a prefabricated reinforced concrete member; the baffle 3 is connected with two adjacent connecting columns through the rectangular clamping grooves 1-1, one side, provided with reserved overhanging steel bars 4-1, of the counterfort 4 extends into the post-pouring belt 1-2 and is bound and connected with the reserved steel bars 1-3 through the reserved overhanging steel bars 4-1, the connecting columns, the baffle 3 and the counterfort 4 are embedded into the positioning grooves 5-1 on the retaining wall foundation 5, and the vertical reserved steel bars 5-2 are inserted into the reserved hole channels 1-4 of the connecting columns and the reserved hole channels 4-2 of the counterfort. The invention provides a greening assembled retaining wall, and mainly aims to develop an assembled retaining wall which is convenient and rapid to construct, simple in structure, safe, reliable, convenient to transport, attractive and green.)

1. The utility model provides a afforestation assembled retaining wall which characterized in that: the greening assembled retaining wall comprises a middle connecting column (1), two end connecting columns (2), a baffle (3), a wall supporting plate (4) and a retaining wall foundation (5), and all the components are prefabricated reinforced concrete members; the middle connecting column (1) is I-shaped, the concave parts at two sides are rectangular clamping grooves (1-1) for inserting the baffle (3), a post-pouring belt (1-2) is arranged at the middle position of one surface of the middle connecting column (1), reserved steel bars (1-3) extend out of the post-pouring belt (1-2), and connecting column reserved holes (1-4) are formed in four corners of the bottom of the middle connecting column (1); the connecting columns (2) at the two ends are rectangular, a clamping groove (1-1) is formed in one side of a short edge, a post-pouring belt (1-2) is arranged in one side of a long edge, reserved steel bars (1-3) extend out of the post-pouring belt, and connecting column reserved hole channels (1-4) are formed in four corners of the bottom of the post-pouring belt; a reserved overhanging steel bar (4-1) is arranged on the side wall of one side of the buttress plate (4), and a buttress plate reserved hole channel (4-2) is arranged at the bottom of the buttress plate (4); the upper surface of the retaining wall foundation (5) is provided with a positioning groove (5-1), the positioning groove (5-1) is used for preventing and positioning a middle connecting column (1), two end connecting columns (2), a baffle (3) and a wall supporting plate (4), the shape of the positioning groove (5-1) is the outline of the contact surface of the combined members and the retaining wall foundation (5), and a vertical reserved steel bar (5-2) is arranged at the contact position of the positioning groove (5-1) and the connecting columns and the wall supporting plate (4); the baffle (3) is connected with two adjacent connecting columns through rectangular clamping grooves (1-1), one side of a supporting wall plate (4) provided with a reserved overhanging steel bar (4-1) extends into a post-pouring belt (1-2), the supporting wall plate is connected with the reserved steel bar (1-3) in a binding mode through the reserved overhanging steel bar (4-1), the connecting columns, the baffle (3) and the supporting wall plate (4) are embedded into positioning grooves (5-1) on a retaining wall foundation (5), and the vertical reserved steel bar (5-2) is inserted into a connecting column reserved hole (1-4) and a supporting wall plate reserved hole (4-2).

2. A greening assembled retaining wall as claimed in claim 1, characterized in that: the middle connecting column (1) and the two end connecting columns (2) are prefabricated reinforced concrete components, the two end connecting columns (2) are arranged on the outermost side of the retaining wall, the middle connecting column (1) is arranged on the inner side of the retaining wall, the extending length of the reserved steel bars (1-3) is not more than the outer edge of the connecting column, and connecting column grouting holes (1-5) and connecting column grout outlet holes (1-6) which are communicated with the outer side of the connecting column are formed in the reserved hole passages (1-4).

3. A greening assembled retaining wall as claimed in claim 1, characterized in that: the baffle (3) is a prefabricated reinforced concrete component, a cantilever type greening platform (3-1) is arranged on the outward side face of the baffle (3), a greening platform overhanging reinforcing steel bar (3-4) extends out of one side of the cantilever type greening platform (3-1) connected with the baffle (3), a baffle reserved hole (3-3) is arranged on the baffle, the baffle reserved hole (3-3) corresponds to the position of the greening platform overhanging reinforcing steel bar (3-4), the length of the greening platform overhanging reinforcing steel bar (3-4) is greater than the thickness of the baffle (3), the cantilever type greening platform (3-1) is fixed on the baffle in a manner that the greening platform overhanging reinforcing steel bar (3-4) is inserted into the baffle reserved hole (3-3) and fastened by a high-strength bolt (3-5), a drain hole (3-2) is arranged below the baffle, the diameter of the drainage holes (3-2) is 5-10cm, and the interval is 0.8-1 m.

4. A greening assembled retaining wall as claimed in claim 1, characterized in that: the buttress plate (4) is a prefabricated reinforced concrete component, buttress plate reserved holes (4-2) at the bottom of the buttress plate (4) are distributed at equal intervals in the length direction of the buttress plate (4), the distribution interval is 20-30cm, and buttress plate grouting holes (4-3) and buttress plate grout outlet holes (4-4) communicated with the outer side are formed in the buttress plate reserved holes (4-2).

5. A greening assembled retaining wall as claimed in claim 1, characterized in that: the retaining wall foundation (5) is a cast-in-place reinforced concrete member, the length of the vertical reserved steel bars (5-2) is 40-50cm, a drainage ditch (5-3) is arranged on one side, close to the baffle (3), of the retaining wall foundation (5) in front of the positioning groove (5-1), and the drainage ditch (5-3) is 5-10cm wide and 5-10cm deep.

Technical Field

The invention relates to a greening assembled retaining wall, and belongs to the field of geotechnical engineering.

Background

The counterfort retaining wall is a light supporting and retaining structure, and the stability of the retaining wall is maintained by the dead weight of a wall body and the weight of filled soil (including load) above a wall bottom plate. The buttress retaining wall has a simple structure and a smaller wall section, can be suitable for areas lacking in food therapy and low in foundation bearing capacity, and is widely applied to municipal engineering and foundation pit supporting engineering. And traditional integral cast-in-place counterfort retaining wall construction involves the processes such as the pouring and maintenance of founding template, concrete, form removal, and the construction cycle is long, and construction quality is difficult to control, and causes certain destruction to the surrounding environment, therefore assembled counterfort retaining wall is the trend of future development.

The assembled retaining wall is prefabricated by adopting factory standard, and has the advantages of short assembly period and high quality of prefabricated parts in the mode of field installation and construction, so that the assembled retaining wall is being continuously popularized. Meanwhile, in the construction of the large and medium-sized urban roads and bridge approach projects, if the construction of the road shoulder retaining wall is limited by surrounding buildings, the assembled retaining wall is required to be adopted for construction.

Retaining walls used in municipal and highway engineering require some greening to increase their aesthetic appeal. Therefore, the assembled greening retaining wall has important economic significance and city beautifying significance.

Disclosure of Invention

In order to solve the existing problems, the invention provides a greening fabricated retaining wall, which is mainly used for developing a fabricated retaining wall with the advantages of convenience and rapidness in construction, simple structure, safety, reliability, convenience in transportation, attractiveness and greenness.

The technical scheme adopted by the invention is as follows:

a greening assembled retaining wall comprises a middle connecting column, two end connecting columns, baffles, a wall supporting plate and a retaining wall foundation, wherein each part is a prefabricated reinforced concrete member; the middle connecting column is I-shaped, the concave parts at two sides are rectangular clamping grooves for inserting the baffle plates, a post-pouring belt is arranged at the middle position of one surface of the middle connecting column, reserved steel bars stretch out of the post-pouring belt, and connecting column reserved hole channels are arranged at four corners of the bottom of the middle connecting column; the connecting columns at two ends are rectangular, a clamping groove is formed in one side of a short edge, a post-pouring belt is arranged on one side of a long edge, reserved steel bars stretch out of the post-pouring belt, and connecting column reserved holes are formed in four corners of the bottom of the post-pouring belt; a reserved overhanging steel bar is arranged on the side wall of one side of the buttress plate, and a buttress plate reserved hole channel is arranged at the bottom of the buttress plate; the upper surface of the retaining wall foundation is provided with a positioning groove, the positioning groove is used for preventing and positioning a middle connecting column, two end connecting columns, a baffle plate and a counterfort plate, the shape of the positioning groove is the outline of the contact surface of the combined components and the retaining wall foundation, and vertical reserved steel bars are arranged at the contact positions of the positioning groove and the connecting columns and the counterfort plates; the baffle passes through the rectangle draw-in groove and links to each other with two adjacent spliced poles, and the counterfort board sets up reserves overhanging reinforcing bar one side and stretches into in the post-cast strip, through reserving overhanging reinforcing bar and reserve reinforcing bar ligature connection, spliced pole, baffle and counterfort board embedding retaining wall are in the positioning groove on the basis, vertical reserved reinforcing bar inserts in spliced pole reserved hole and the counterfort board reserved hole.

Furthermore, the middle connecting column and the two end connecting columns are prefabricated reinforced concrete components, the two end connecting columns are arranged on the outermost side of the retaining wall, the middle connecting column is arranged on the inner side of the retaining wall, the extending length of the reserved steel bars does not exceed the outer edge of the connecting columns, and connecting column grouting holes and connecting column grout outlet holes which are communicated with the outer sides of the connecting columns are formed in the reserved hole channels.

Furthermore, the baffle is a prefabricated reinforced concrete member, a cantilever type greening table is arranged on the outward side face of the baffle, greening table overhanging steel extends out from one side of the cantilever type greening table connected with the baffle, a baffle reserved hole is formed in the baffle, the baffle reserved hole corresponds to the position of the greening table overhanging steel bar, the length of the greening table overhanging steel bar is larger than the thickness of the baffle, the cantilever type greening table is fixed on the baffle in a manner that the greening table overhanging steel bar is inserted into the baffle reserved hole and fastened by a high-strength bolt, a water drainage hole is formed below the baffle, the diameter of the water drainage hole is 5-10cm, and the interval is 0.8-1 m.

Furthermore, the buttress plate is a prefabricated reinforced concrete member, buttress plate reserved holes at the bottom of the buttress plate are distributed at equal intervals according to the length direction of the buttress plate, the distribution interval is 20-30cm, and buttress plate grouting holes and buttress plate grout outlet holes communicated with the outer side are formed in the buttress plate reserved holes.

Furthermore, the retaining wall foundation is a cast-in-place reinforced concrete member, the length of the vertical reserved steel bars is 40-50cm, a drainage ditch is arranged on one side, close to the baffle, of the retaining wall foundation in front of the positioning groove, the width of the drainage ditch is 5-10cm, and the depth of the drainage ditch is 5-10 cm.

The invention has the beneficial effects that:

1, the invention reduces the labor cost and the template cost by an assembly method;

2, the invention is a prefabricated component, and has convenient construction, high construction speed and convenient transportation;

3, the connection mode among the components of the invention is reliable, the stress is reasonable, and the greening platform leads the back of the retaining wall to be green and beautiful.

Drawings

FIG. 1 is a perspective view of a greening assembled retaining wall according to the present invention;

FIG. 2 is a perspective view of the retaining wall foundation of the present invention;

FIG. 3 is a top view of the retaining wall foundation of the present invention;

FIG. 4 is a perspective view of the buttress plate and the intermediate attachment post of the present invention;

FIG. 5 is a perspective view of the baffle and the cantilever type greening table of the present invention;

FIG. 6 is a reinforcement diagram of the buttress plate and the intermediate connecting post of the present invention;

fig. 7 is a schematic view of the connection between the baffle and the cantilever type greening table according to the present invention.

In the figure: 1, connecting a column in the middle; 2, connecting columns at two ends; 3, a baffle plate; 4, supporting the wall plate; 5, a retaining wall foundation; 1-1, a clamping groove; 1-2, post-casting a strip; 1-3, reserving reinforcing steel bars; 1-4, connecting the reserved hole channels of the columns; 1-5, connecting a column grouting hole; 1-6, connecting the column with a slurry outlet; 3-1, cantilever type greening table; 3-2, water drainage holes; 3-3, reserving a pore passage on the baffle; 3-4, extending steel bars outside the greening table; 3-5, high-strength bolts; 4-1, reserving overhanging reinforcing steel bars; 4-2, reserving a pore channel on the buttress plate; 4-3, grouting holes of the buttress plates; 4-4, a buttress plate slurry outlet hole; 5-1, a groove; 5-2, vertically reserving reinforcing steel bars; 5-3, a drainage ditch.

Detailed Description

The materials, methods and apparatus used in the following examples, which are not specifically illustrated, are conventional in the art and are commercially available to those of ordinary skill in the art.

In the following description of the present invention, it is to be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the following description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be direct or indirect via an intermediate medium, or the connection may be internal to both components. To those of ordinary skill in the art, the specific meaning of the above-described terms in the present invention can be understood as a specific case.

In addition, in the following description of the present invention, the meaning of "plurality", and "plural" is two or more unless otherwise specified.

The present invention will be described in further detail with reference to the attached drawings, but the following detailed description is not to be construed as limiting the invention.

As shown in fig. 1 to 7, a greening fabricated retaining wall comprises a middle connecting column 1, two end connecting columns 2, a baffle 3, a buttress plate 4 and a retaining wall foundation 5, wherein each part is a prefabricated reinforced concrete member; the middle connecting column 1 is I-shaped, the concave parts at two sides are rectangular clamping grooves 1-1 for inserting the baffle 3, a post-cast strip 1-2 is arranged at the middle position of one side of the middle connecting column 1, reserved steel bars 1-3 extend out of the post-cast strip 1-2, and connecting column reserved hole channels 1-4 are arranged at four corners of the bottom of the middle connecting column 1; the two-end connecting column 2 is rectangular, a clamping groove 1-1 is formed in one side of a short edge, a post-pouring strip 1-2 is arranged on one side of a long edge, reserved steel bars 1-3 extend out of the post-pouring strip, and connecting column reserved hole channels 1-4 are formed in four corners of the bottom of the post-pouring strip; a reserved overhanging steel bar 4-1 is arranged on the side wall of one side of the counterfoil 4, and a counterfoil reserved hole 4-2 is arranged at the bottom of the counterfoil 4; the upper surface of the retaining wall foundation 5 is provided with a positioning groove 5-1, the positioning groove 5-1 is used for preventing and positioning a middle connecting column 1, two end connecting columns 2, a baffle 3 and a counterfort plate 4, the shape of the positioning groove 5-1 is the outline of the contact surface of the combined components and the retaining wall foundation 5, and a vertical reserved steel bar 5-2 is arranged at the contact position of the positioning groove 5-1 and the connecting columns and the counterfort plate 4; the baffle 3 is connected with two adjacent connecting columns through the rectangular clamping grooves 1-1, one side, provided with reserved overhanging steel bars 4-1, of the counterfort 4 extends into the post-pouring belt 1-2 and is bound and connected with the reserved steel bars 1-3 through the reserved overhanging steel bars 4-1, the connecting columns, the baffle 3 and the counterfort 4 are embedded into the positioning grooves 5-1 on the retaining wall foundation 5, and the vertical reserved steel bars 5-2 are inserted into the reserved hole channels 1-4 of the connecting columns and the reserved hole channels 4-2 of the counterfort.

The middle connecting column 1 and the two end connecting columns 2 are prefabricated reinforced concrete components, the two end connecting columns 2 are arranged on the outermost side of the retaining wall, the middle connecting column 1 is arranged on the inner side of the retaining wall, the extending length of the reserved steel bars 1-3 is not more than the outer edge of the connecting column, and connecting column grouting holes 1-5 and connecting column grout outlet holes 1-6 communicated with the outer sides of the connecting columns are formed in the reserved hole channels 1-4.

The baffle 3 is a prefabricated reinforced concrete member, a cantilever type greening table 3-1 is arranged on the outward side face of the baffle 3, a greening table overhanging reinforcing steel bar 3-4 extends out from one side of the cantilever type greening table 3-1 connected with the baffle 3, a baffle reserved hole 3-3 is arranged on the baffle, the baffle reserved hole 3-3 corresponds to the position of the greening table overhanging reinforcing steel bar 3-4, the length of the greening table overhanging reinforcing steel bar 3-4 is greater than the thickness of the baffle 3, the cantilever type greening table 3-1 is fixed on the baffle by inserting the greening table overhanging reinforcing steel bar 3-4 into the baffle reserved hole 3-3 and fastening by a high-strength bolt 3-5, a drain hole 3-2 is arranged below the baffle, and the diameter of the drain hole 3-2 is 5-10cm, the interval is 0.8-1 m.

The buttress plate 4 is a prefabricated reinforced concrete member, buttress plate reserved holes 4-2 at the bottom of the buttress plate 4 are distributed at equal intervals in the length direction of the buttress plate 4, the distribution interval is 20-30cm, and buttress plate grouting holes 4-3 and buttress plate grout outlet holes 4-4 communicated with the outer side are formed in the buttress plate reserved holes 4-2.

The retaining wall foundation 5 is a cast-in-place reinforced concrete member, the length of the vertical reserved steel bars 5-2 is 40-50cm, a drainage ditch 5-3 is arranged on one side, close to the baffle 3, of the retaining wall foundation 5 in front of the positioning groove 5-1, the width of the drainage ditch 5-3 is 5-10cm, and the depth of the drainage ditch is 5-10 cm.

The concrete installation and construction process of the invention is as follows:

firstly, leveling a site, carrying out construction preparation, and stacking all prefabricated components according to engineering requirements for standby application with the construction site;

the method comprises the steps that a retaining wall foundation is cast in place, vertical steel bars are reserved according to design when the steel bars are bound, grooves for placing and positioning connecting columns, baffles and counterfort plates are arranged according to the design when templates are erected, and concrete is poured to complete construction of the retaining wall foundation;

hoisting and installing the prefabricated part connecting column in a positioning groove of a retaining wall foundation, enabling a post-cast strip to face a soil retaining side during hoisting and installing, accurately inserting reserved vertical steel bars of the retaining wall foundation into a reserved hole channel at the bottom of the connecting column, and pouring grouting materials into a grouting hole of the connecting column;

and (3) hoisting and installing the prefabricated component buttress plate in a positioning groove of a retaining wall foundation, enabling the overhanging reserved reinforcing steel bar of the buttress wall to face a post-cast strip of the connecting column during hoisting and installing, and enabling the reserved vertical reinforcing steel bar of the retaining wall foundation to be accurately inserted into the reserved hole of the buttress plate and be filled with grouting material in the grouting hole of the buttress plate.

Binding and connecting the reserved overhanging steel bars of the buttress plate with the reserved steel bars of the connecting column, and pouring concrete at the post-pouring belt to complete the connection of the buttress plate and the connecting column;

installing baffles between the connecting columns, inserting the baffles into the clamping grooves on the two sides of the connecting columns, inserting the cantilever type greening tables into reserved steel bar channels of the baffles through the overhanging steel bars, and fastening the overhanging steel bars at the end parts by high-strength bolts for connection;

and pouring concrete in the gap of the groove of the retaining wall foundation, namely completing construction implementation.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.