CN219364698U - Ecological barricade of compound soil nail of stock - Google Patents

Abstract

The utility model discloses an anchor rod composite soil nail ecological retaining wall, which comprises a retaining wall foundation, a plurality of rib columns and a plurality of prefabricated components, wherein the rib columns are uniformly arranged on the retaining wall foundation, and the plurality of prefabricated components are arranged between every two rib columns after being overlapped up and down to form a retaining wall body; every rib post evenly arranges a plurality of anchor holes in the direction of height, stock and soil nail pass the anchor hole links to each other with soil layer, every rib post all is equipped with soil nail, and stock interval arrangement is on many rib posts and with the soil nail interval arrangement on the rib post of place.

Description

Ecological barricade of compound soil nail of stock

Technical Field

The utility model relates to the technical field of side slope support, in particular to an anchor rod composite soil nail ecological retaining wall.

Background

The ecological retaining wall is a novel protective structure, not only can effectively prevent water and soil loss, but also can beautify the environment to a certain extent.

In the face of some bad geologic bodies such as moldable clay, weakly cemented silty soil, sand, gravel, soft soil, filled soil, weathered rock layers and the like, the bad geologic bodies not only need to strengthen soil bodies, such as soil fixing by using soil nails, anchor rods and the like, but also need to correspondingly strengthen the strength of the wall body so as to play a role in good supporting. In the prior art, when using soil nails to support, the side slope is required to be sprayed with concrete, which is contrary to the original purpose of using the ecological retaining wall, the filling soil of the ecological retaining wall cannot be in biological exchange with the supporting soil layer, and the engineering quantity required by spraying the concrete on the side slope is also larger, so that the construction period is longer.

Disclosure of Invention

The utility model aims to provide an anchor rod composite soil nail ecological retaining wall, which solves the problem that biological exchange cannot be carried out inside and outside the wall due to long construction period when the soil nail is used for supporting.

The utility model is realized by the following technical scheme:

the ecological retaining wall comprises a retaining wall foundation, a plurality of rib columns and a plurality of prefabricated components, wherein the rib columns are uniformly arranged on the retaining wall foundation, and the plurality of prefabricated components are arranged between every two rib columns after being overlapped up and down to form a retaining wall body; every rib post evenly arranges a plurality of anchor holes in the direction of height, every the rib post all is equipped with the soil nail, and stock and soil nail pass anchor hole links to each other with the soil layer, and the stock interval arrangement is on many rib posts and with the soil nail interval arrangement on the rib post of place, adopts above-mentioned arranging, through the soil nail solid soil of massively inserting, has improved soil body intensity, and the reuse stock further strutted, need not to the side slope shotcrete, has not only solved engineering quantity great, the longer problem of time limit for a project, can not influence ecological retaining wall's filling and strutted soil layer and carry out biological exchange moreover.

The anchor rods on the same rib column are arranged in intervals, so that the supporting capability of the anchor rods when the distance between the anchor rods is small or the stability of the rock-soil layer of the anchoring section is poor is improved.

The rib column is of a reinforced concrete structure and is embedded with a plurality of PVC pipes, the PVC pipes form the anchoring holes, the angle of the anchoring holes is convenient to adjust according to the actual condition of a soil layer, and soil nails or anchor rods are convenient to install subsequently.

The number of the anchor holes on each rib column is the same as the number of layers of the prefabricated parts, each layer of prefabricated parts is reinforced, and the strength of the retaining wall body is further improved.

The prefabricated components's both sides are equipped with the anchor mouth, and two adjacent prefabricated components the anchor mouth is used for the cooperation behind the combination anchor hole installation stock and soil nail, not only be convenient for install, also can further improve the intensity of barricade wall body simultaneously, through setting up different prefabricated component moulds, obtain the prefabricated components that the anchor mouth angle is different to soil nail or stock of different angles when the cooperation is under construction.

The prefabricated component comprises a backboard, a bottom plate and two side plates, wherein the bottom plate is used for forming a plant growing plate and is used for planting plants, the backboard is hollow, protrusions are arranged at the top of the side plates, corresponding protrusions are arranged at the bottoms of the side plates, lifting holes are formed in the side plates, reinforcing ribs are arranged on the bottom plate, the left end and the right end of the backboard extend to two sides respectively to form a first wing plate, the front ends of the two side plates extend to two sides respectively to form a second wing plate and a third wing plate, the first wing plate is respectively attached to the first containing groove and the second containing groove of the second wing plate, the first containing groove and the second containing groove of the left-right adjacent two-row prefabricated component are used for containing rib columns, and the first wing plate, the second wing plate and the third wing plate are respectively provided with anchoring openings.

Still include the siphon drain pipe, the siphon drain pipe passes through backplate fretwork portion and links to each other with the soil layer, can discharge the intraformational moisture of soil, guarantees the support effect of soil nail.

The wall top beam is matched with the prefabricated part positioned at the top, and the strength of the retaining wall is further improved.

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

1. according to the utility model, through the cooperation of the prefabricated parts and the rib columns, the operation difficulty is reduced, the overall rigidity of the soil body is effectively improved through dense arrangement of a large number of soil nails, the weakness of low tensile and shear strength of the soil body is overcome, and then the anchor rods are arranged at intervals to perform rock-soil anchoring, so that the ecological retaining wall supporting capacity is enhanced, and plants can be planted on the plant growing plates of the prefabricated parts, so that the wall body is more attractive;

2. according to the utility model, the PVC pipe is pre-buried as the anchoring hole, so that the operation difficulty and the maintenance difficulty are reduced, the first accommodating groove and the second accommodating groove of the adjacent prefabricated parts are matched to accommodate the rib column, and the wall body supporting capacity is further improved;

3. according to the utility model, the supporting capability of the wall body to the heavy-load soil layer is further enhanced by arranging the anchor rods on the same rib column at intervals, accumulated water in the soil layer is timely discharged through the siphon drain pipe, and the drop of the supporting capability of soil nails is prevented.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:

FIG. 1 is a side view of example 1 of the present utility model;

FIG. 2 is a schematic view of the wall foundation, rib post, prefabricated component and wall roof beam of the present utility model mated;

FIG. 3 is a schematic view of the wall foundation, rib post and wall header cooperation of the present utility model;

fig. 4 is a schematic view of a prefabricated part according to the present utility model.

The reference numerals are represented as follows: 1-retaining wall foundation, 2-rib post, 21-anchor hole, 3-prefabricated component, 31-backplate, 311-first pterygoid lamina, 32-bottom plate, 321-strengthening rib, 33-curb plate, 331-arch, 332-recess, 333-second pterygoid lamina, 334-third pterygoid lamina, 335-lifting hole, 336-anchor mouth, 4-retaining wall, 5-wall roof beam, 6-soil nail, 7-stock, 8-siphon drain.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model. It should be noted that the present utility model is already in a practical development and use stage.

Example 1

As shown in fig. 1 to 4, the embodiment includes a retaining wall foundation 1, a plurality of rib columns 2 and a plurality of prefabricated members 3, wherein the rib columns 2 are uniformly arranged on the retaining wall foundation 1, the plurality of prefabricated members 3 are arranged between every two rib columns 2 after being overlapped up and down to form a retaining wall body 4, and further includes a wall body top beam 5, the wall body top beam 5 is matched with the prefabricated members 3 positioned at the top, so that the integral strength of the retaining wall body 4 can be enhanced by adding the wall body top beam 5;

each rib column 2 is uniformly provided with a plurality of anchoring holes 21 in the height direction, each rib column 2 is of a reinforced concrete structure and is embedded with a plurality of PVC pipes, the PVC pipes form the anchoring holes 21, the anchor rods 7 and the soil nails 6 penetrate through the anchoring holes 21 to be connected with a soil layer, each rib column 2 is provided with the soil nails 6, the anchor rods 7 are arranged on the rib columns 2 at intervals and are arranged with the soil nails 6 on the rib columns 2 at intervals, the cost of the soil nails 6 is relatively low, a large number of the soil layers are firstly arranged to reinforce the soil layer, the anchor rods 7 have higher cost relative to the soil nails 6, the supporting effect is better, the spaced arrangement realizes key supporting, the two are matched to effectively support a side slope in a larger range, the side slope is not required to spray concrete, the construction difficulty is reduced, and the soil nails such as grouting soil nails, drilling soil nails and self-supporting anchor rods, prestress anchor rods and the like are convenient during construction;

the number of the anchoring holes 21 on each rib post 2 corresponds to the number of layers and positions of the prefabricated parts 3 one by one, deformation of the wall body can be further prevented, the anchor rods 7 on the same rib post 2 are arranged alternately in length, the supporting effect of the anchor rods 7 can be improved, larger loads transferred by a rock-soil layer with poor stability and a building structure in an anchoring area can be better handled, in the embodiment, the anchor rods 7 are prestressed anchor rods, supporting resistance is timely provided, and the rock-soil is in a triaxial stress state.

Prefabricated component 3 includes backplate 31, bottom plate 32 and two curb plates 33, the bottom plate 32 constitutes the plant-growing board for plant, backplate 31 fretwork, soil in the plant-growing board can carry out biological exchange with the soil body, the top of curb plate 33 is equipped with protruding 331, the bottom of curb plate 33 is equipped with corresponding protruding 331's recess 332, through the cooperation of tenon fourth of the twelve earthly branches structure between the prefabricated component 3, the construction assembly of being convenient for, curb plate 33 is equipped with lifting hole 335, the hoist and mount component of being convenient for, bottom plate 32 is equipped with strengthening rib 321, and the intensity of reinforcing member can save certain ponding in the region that constitutes between the strengthening rib 321 simultaneously, does benefit to plant growth in the plant-growing board.

The left and right ends of the back plate 31 extend to two sides respectively to form a first wing plate 311, the front ends of the two side plates 33 extend to two sides respectively to form a second wing plate 333 and a third wing plate 334, the first wing plate 311 forms a first accommodating groove and a second accommodating groove with the second wing plate 333 and the third wing plate 334 respectively, and after the first accommodating groove and the second accommodating groove of the left and right adjacent two rows of prefabricated components 3 are attached, the two rows of prefabricated components are used for accommodating the rib columns 2, so that the integral strength of the wall body can be enhanced.

The first wing plate 311, the second wing plate 333 and the third wing plate 334 are respectively provided with an anchoring opening 336 for matching with the anchor rod 7 and the soil nail 6, and the number and the positions of the anchoring openings 336 are in one-to-one correspondence with the number and the positions of the anchoring holes 21, so that the soil nail 6 and the anchor rod 7 can be conveniently constructed.

Still include siphon drain pipe 8, siphon drain pipe 8 links to each other with the soil layer through backplate 31 fretwork part, in time discharges the excessive ponding in the soil layer, guarantees that soil nail 6 and stock 7 are in good operating mode.

When the embodiment 1 of the utility model is used for supporting soil body, the following steps are only needed:

(1) Mechanically excavating to a road base surface;

(2) After the measuring instrument is positioned, excavating a foundation groove of the retaining wall to the designed bottom elevation by adopting a manual bottom picking mode;

(3) Supporting a mould and pouring retaining wall cushion layer concrete;

(4) Positioning the foundation steel bars, binding the foundation steel bars of the retaining wall and the embedded rib post steel bars according to the design drawing;

(5) The retaining wall foundation forms are supported, retaining wall foundation concrete is poured, and when the concrete strength reaches 80% of the design strength, the next construction can be carried out;

(6) The method comprises the steps of adopting a manual auxiliary mode of hoisting by a crane, hoisting prefabricated parts in a blocking and layering mode, aligning the upper mortise and tenon joint structures and the lower mortise and tenon joint structures of the prefabricated parts during hoisting, and installing U-shaped buckles and pre-burying phi 110PVC pipes in time;

(7) Each time the component is provided with 3-4 layers (the maximum number of the layers is not more than 4), rib column concrete pouring is carried out, and after the strength of the rib column concrete reaches 80%, the next construction can be carried out;

(8) Constructing soil nails and anchor rods in the embedded pipe, and after the slurry strength of the soil nails and the anchor rods reaches 80%, entering the next construction, and repeating the steps (6), 7 and 8) until the designed layer number is reached;

(9) Binding reinforcing steel bars of a top beam of a wall body, supporting a formwork and pouring concrete, and backfilling earthwork after the strength of the concrete of the top beam of the wall body reaches 80%;

(10) And (5) performing internal hilling backfilling on the prefabricated part, and cultivating green plants according to design requirements.

The embodiment 1 of the utility model can play a good role in supporting poor geologic bodies such as moldable clay, weak cementing (including capillary water bonding) silt, sand, gravel, soft soil, filling soil, weathered rock layer and the like, and can ensure good biological exchange between ecological retaining wall hilling and supporting soil body and reduce construction period and construction strength without spraying concrete on a side slope during construction.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (8)

1. The utility model provides an ecological barricade of compound soil nail of stock, includes barricade basis (1), many rib post (2) and a plurality of prefabricated component (3), its characterized in that: the rib columns (2) are uniformly arranged on the retaining wall foundation (1), and the plurality of prefabricated components (3) are arranged between every two rib columns (2) after being vertically overlapped to form a retaining wall body (4); every rib post (2) evenly arranges a plurality of anchor holes (21) in the direction of height, every rib post (2) all are equipped with soil nail (6), and stock (7) and soil nail (6) pass anchor hole (21) link to each other with the soil layer, stock (7) interval arrangement just with soil nail (6) interval arrangement on the rib post (2) of place on many rib posts (2).

2. The anchor rod composite soil nail ecological retaining wall according to claim 1, wherein: the anchor rods (7) on the same rib column (2) are arranged at intervals.

3. The anchor rod composite soil nail ecological retaining wall according to claim 1, wherein: the rib column (2) is of a reinforced concrete structure and is embedded with a plurality of PVC pipes, and the PVC pipes form the anchoring holes (21).

4. The anchor rod composite soil nail ecological retaining wall according to claim 1, wherein: the number of the anchor holes (21) on each rib post (2) is the same as the number of layers of the prefabricated part (3).

5. The anchor composite soil nailing ecological retaining wall of claim 4, wherein: two sides of the prefabricated parts (3) are provided with anchoring openings (336), and the anchoring openings (336) of two adjacent prefabricated parts (3) are combined and then used for being matched with the anchoring openings (21) to install anchor rods (7) and soil nails (6).

6. The anchor composite soil nailing ecological retaining wall of claim 5, wherein: prefabricated component (3) include backplate (31), bottom plate (32) and two curb plates (33), bottom plate (32) constitute and plant the living board for plant, backplate (31) fretwork, the top of curb plate (33) is equipped with arch (331), the bottom of curb plate (33) is equipped with corresponding protruding (331) recess (332), curb plate (33) are equipped with lifting hole (335), bottom plate (32) are equipped with strengthening rib (321), backplate (31) are controlled both ends and are extended to both sides respectively, form first pterygoid lamina (311), two the front end of curb plate (33) is extended to both sides respectively, forms second pterygoid lamina (333) and third pterygoid lamina (334), first pterygoid lamina (311) respectively with second pterygoid lamina (333), third pterygoid lamina (334) form first holding tank and second holding tank, be used for holding behind the first holding tank of prefabricated component (3) of adjacent two rows and second holding tank of left and right sides rib post (2), first pterygoid lamina (311) and third pterygoid lamina (334) are equipped with anchor (336) and are laminated respectively.

7. The anchor rod composite soil nail ecological retaining wall according to claim 6, wherein: the soil layer is characterized by further comprising a siphon drain pipe (8), wherein the siphon drain pipe (8) is connected with the soil layer through a hollowed-out part of the back plate (31).

8. The anchor rod composite soil nail ecological retaining wall according to claim 1, wherein: the wall top beam (5) is matched with the prefabricated part (3) positioned at the top.