CN212294737U

CN212294737U - Rapid construction cutting retaining wall

Info

Publication number: CN212294737U
Application number: CN202021778583.8U
Authority: CN
Inventors: 邵林; 王希宝; 袁松; 张生
Original assignee: Sichuan Communication Surveying and Design Institute Co Ltd
Current assignee: Sichuan Communication Surveying and Design Institute Co Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-01-05
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a rapid construction cutting retaining wall, which comprises at least two gabion gabions, a water drain pipe, impermeable geotechnical cloth and a wall top water-proof backfill layer; the gabions are uniformly laid at the cutting slope and are sequentially arranged upwards along the cutting slope toe; a drainage hole is formed in the stacked gabion, one end of the drainage pipe is connected with the drainage hole, and the other end of the drainage pipe extends along the outer side of the gabion; the anti-seepage geotextile is arranged below the water drainage hole, and a waterproof layer is also arranged below the anti-seepage geotextile; the problem of conventional barricade construction front and back founding the mould earlier and pour the wall body, the wall back of the wall of back filling construction difficulty is solved, construction process has been reduced, the time limit for a project is shortened greatly, and the gabion combination body can be from steady to the while, also has certain retaining effect to the side slope.

Description

Rapid construction cutting retaining wall

Technical Field

The utility model relates to a keep off structural engineering technical field, concretely relates to cutting barricade is under construction fast.

Background

According to the conventional cutting inclined retaining wall back backfilling, the lime soil, the water-resisting layer, the sand gravel or broken stone reverse filter layer and the water-resisting layer are sequentially backfilled in the foundation pit from bottom to top. The general foundation pit overbreak width is designed to be 30cm, and the situations of serious overbreak (an over-steep side slope can collapse), complicated wall back backfilling and incapability of compacting due to small operation space generally exist in actual construction. Some construction units even adopt the method of pouring the retaining wall by the former rear vertical mold and backfilling the wall back once again. In general, on-site construction is rarely carried out according to design requirements, and simultaneously, the defect of poor drainage of the wall back is caused, which is one of the remarkable cases that the design is disjointed from practice.

Chinese utility model patent CN20624534U discloses a retaining wall structure on inflation soil cutting semi-rigidity, relate to the retaining wall structural design on the inflation soil cutting semi-rigidity, utilize retaining wall 1+ flexible rubble bed course 2 combination formation semi-rigidity to go up the retaining wall, but its construction method still adopts the rigid retaining wall structure 1 of being under construction earlier and sets up the outlet 3 in the rigid retaining wall structure, fill flexible rubble bed course 2 in the 1m within range behind rigid retaining wall structure again, can cause the wall back of the body drainage harmfully like this, its construction difficulty simultaneously, construction period is longer, the wall back of the body is backfilled miscellaneous, and can cause the condition because of the operation space is little and unable compaction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rapid construction cutting barricade, it aims at solving the construction difficulty among the prior art, and construction period is longer, and the wall back of the body backfills numerous and diverse, and because of the unable compaction technical problem of operating space is little.

The utility model discloses a following technical scheme realizes:

a rapid construction cutting retaining wall comprises at least two gabion gabions, a water drain pipe and impermeable geotextiles;

the gabions are uniformly laid at the cutting slope and are sequentially arranged upwards along the cutting slope toe;

a drainage hole is formed in the stacked gabion, one end of the drainage pipe is connected with the drainage hole, and the other end of the drainage pipe extends along the outer side of the gabion;

the anti-seepage geotextile is arranged below the water drainage hole, and a waterproof layer is also arranged below the anti-seepage geotextile;

the wall top waterproof backfill layer covers the top of the gabion

Furthermore, the water-resisting layer is formed by filling gaps with fine stones and pouring concrete of 10-20 cm.

Further, the gabion is a quadrilateral component, and the width of the gabion is 0.5 m.

Furthermore, the gabion gabions are built in a step-shaped manner, and broken stones are filled in triangular gaps formed between the gabion gabions and the cutting slope.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model relates to a cut barricade of being under construction fast uses check gabion assembly to back up and pack the function of the back of the body side template for the wall, the wall body is pour to the formwork around having solved conventional barricade construction earlier, the problem of back filling wall back up construction difficulty, the work progress has been reduced, the time limit for a project is shortened greatly, check gabion assembly can be from steady simultaneously, also have certain retaining effect to the cut side slope, adopt check gabion assembly and pour barricade wall body concrete simultaneously and combine and can effectively restrict the road bed again and take place too big or further deformation, economy and practicality are more reasonable, economic benefits is showing.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a general schematic diagram of a structure of the prior art.

Fig. 2 is a schematic structural diagram of the present solution.

Reference numbers and corresponding part names:

1-gabion; 2-a water drain pipe; 3-impermeable geotextile; 4, a water-resisting layer; 5-retaining wall concrete; 6-a water-proof backfill layer of the wall top water-proof backfill layer; 7-pieces of broken stone.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, chinese utility model patent CN20624534U discloses an expansive soil cutting semi-rigid upper retaining wall structure, which relates to a design of expansive soil cutting semi-rigid upper retaining wall structure, and utilizes a combination of a rigid retaining wall 1+ a flexible gravel cushion layer 2 to form a semi-rigid upper retaining wall, but its construction method still adopts a rigid retaining wall structure 1 and a drain hole 3 arranged on the rigid retaining wall structure, and fills the flexible gravel cushion layer 2 within 1m behind the rigid retaining wall structure 1, so that the wall back is badly drained, and the construction difficulty is high, the construction period is long, the wall back is filled with miscellaneous materials, and the condition that the operation space is small and cannot be compacted can be caused.

[ examples ] A method for producing a compound

As shown in fig. 2, the rapid construction cutting retaining wall comprises at least two gabions 1, a water drain pipe 2 and impermeable geotextiles 3; the gabions 1 are uniformly laid on the cutting side slope 6 and are sequentially arranged upwards along the toe of the cutting side slope 6; drainage holes (not shown) are formed in the laid gabion 1, wherein one drainage hole (not shown) is formed in the middle of the cutting retaining wall in the embodiment; one end of the drain pipe 2 is connected with a drain hole (not shown), and the other end of the drain pipe extends along the outer side of the gabion 1; the impermeable geotechnical cloth 3 is arranged below a water drainage hole (not shown), a water-resisting layer 4 is further arranged below the impermeable geotechnical cloth 3, and a wall top water-resisting backfill layer 6 covers the top of the gabion 1, wherein the water-resisting layer 4 is made of concrete which is poured by 10-20 cm after being caulked by fine stones, and the water-resisting layer 4 and the impermeable geotechnical cloth 3 are both adopted in the scheme to prevent water from permeating to the wall heel, so that the cutting retaining wall is damaged; meanwhile, a plurality of gabion gabions 1 are piled up, so that the compaction steps in the construction process can be reduced, and the construction efficiency is improved; this scheme sets up rifle nail water proof backfill layer 6 and is used for further preventing rivers infiltration to gabion 1.

Further, gabion 1 is the quadrangle component, and gabion 1 is wide 0.5m, sets up 7 gabion 1 in this scheme, and is step-like bricklaying to adopt piece rubble 7 to fill in the triangle-shaped space that gabion 1 and cutting side slope department constitute.

The utility model discloses a construction method, including following step:

s1: firstly, sequentially stacking the gabions 1 upwards at the cutting slope 6 along the toe of the cutting slope 6, wherein the gabions 1 are stacked twice; piling the gabion 1 for the first time to a position of a drainage hole (not shown);

s2: sequentially laying a layer of impermeable geotextile 3 below the position of a drainage hole (not shown) and pouring 10-20 cm of concrete as a waterproof layer 4 after gap filling by using fine stones;

s3: after the anti-seepage geotextile 3 and the waterproof layer 4 below the drainage hole (not shown) are constructed, the gabion 1 is piled up to the elevation of the slope top; the gabion 1 is 0.5m wide and is built in a step-shaped manner, and broken stones 7 are filled in a triangular gap formed by the gabion 1 and the cutting slope 6;

s4: after the steps are completed, the piled gabion 1 is used as a back, a formwork is erected on the outer side of the gabion 1, and the position of the water drain pipe 2 is reserved, and then the retaining wall concrete 5 is poured at one time;

s5: the construction of the water-proof backfill layer 6 on the wall top can adopt cohesive soil or 5 percent cement stabilized soil for tamping and compacting, and aims to prevent runoff water on the surface of the slope from permeating into the wall back.

The utility model discloses a rapid construction cutting barricade uses 1 assembly of check guest gabion to back up the filler and the function of back of the body side template for the wall, the wall body is pour to the prior front and back founding mould of having solved conventional barricade construction, the problem of the back of the body backfill construction difficulty of back filling wall, the construction process has been reduced, the time limit for a project is shortened greatly, 1 assembly of check guest gabion can be from steady simultaneously, also have certain retaining effect to the cutting side slope, adopt 1 assembly of check guest gabion and pour 5 combinations of barricade wall body concrete and can effectively restrict the road bed again and take place too big or further deformation, economy and practicality are more reasonable, economic benefits is showing.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A rapid construction cutting retaining wall is characterized by comprising at least two gabion gabions (1), a water drain pipe (2), impermeable geotextiles (3) and a wall top water-proof backfill layer (6);

the gabions (1) are uniformly laid at the cutting slope and are sequentially arranged upwards along the cutting slope toe;

a drainage hole is formed in the piled gabion (1), one end of the drainage pipe (2) is connected with the drainage hole, and the other end of the drainage pipe extends along the outer side of the gabion (1);

the anti-seepage geotextile (3) is arranged below the water drainage hole, and a waterproof layer (4) is also arranged below the anti-seepage geotextile (3);

and the wall top water-proof backfill layer (6) covers the top of the gabion (1).

2. The rapid construction cutting retaining wall according to claim 1, wherein the water-resisting layer (4) is made of 10-20 cm concrete after being caulked by fine stones.

3. The rapid construction cutting retaining wall according to claim 1, wherein the gabion (1) is a quadrilateral member, and the width of the gabion (1) is 0.5 m.

4. A rapid construction cutting retaining wall according to claim 3, wherein the gabion (1) is built in a step-like manner, and broken stones (7) are filled in triangular gaps formed between the gabion (1) and the cutting side slope.