CN111877397A - Rapid construction cutting retaining wall and construction method thereof - Google Patents
Rapid construction cutting retaining wall and construction method thereof Download PDFInfo
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- CN111877397A CN111877397A CN202010856129.8A CN202010856129A CN111877397A CN 111877397 A CN111877397 A CN 111877397A CN 202010856129 A CN202010856129 A CN 202010856129A CN 111877397 A CN111877397 A CN 111877397A
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- gabion
- cutting
- retaining wall
- slope
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0208—Gabions
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Revetment (AREA)
Abstract
The invention discloses a rapid construction cutting retaining wall and a construction method thereof, wherein the rapid construction cutting retaining wall comprises at least two gabion gabions, a water drain pipe, impermeable geotextile 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
Technical Field
The invention relates to the technical field of supporting structure engineering, in particular to a rapid construction cutting retaining wall and a construction method thereof.
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.
Disclosure of Invention
The invention aims to provide a rapid construction cutting retaining wall and a construction method thereof, and aims to solve the technical problems that in the prior art, construction is difficult, the construction period is long, wall back backfilling is complicated, and compaction cannot be realized due to small operation space.
The invention is realized by the following technical scheme:
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.
The invention also provides a construction method for quickly constructing the cutting retaining wall, which comprises the following steps:
s1: firstly, sequentially stacking gabions upwards at a cutting slope along a cutting slope toe, wherein the gabions are stacked twice; the gabion is piled up to the position of the drain hole for the first time;
s2: sequentially laying a layer of impermeable geotextile below the drainage hole and pouring 10-20 cm of concrete as a waterproof layer after gap filling by using fine stones;
s3: after the anti-seepage geotextile and the waterproof layer below the drainage hole are constructed, piling and building gabion gabions to the slope top elevation; the gabion is 0.5m wide and is built in a step-shaped manner, and broken stones are filled in triangular gaps formed between the gabion and the cutting slope;
s4: after the steps are finished, the piled gabion is used as a back, a template is supported on the outer side of the gabion, and the position of the water drain pipe is reserved, and then the wall body concrete of the retaining wall is poured at one time;
s5: the construction of the water-proof backfill layer 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.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the rapid construction cutting retaining wall and the construction method thereof, the gabion cage assembly is used as the wall back backfill and back side template, the problems that a wall body is formed by front and back formwork erection and wall back backfill construction are difficult in conventional retaining wall construction are solved, the construction process is reduced, the construction period is greatly shortened, the gabion cage assembly can be self-stabilized, a certain retaining effect on a cutting side slope is achieved, the gabion cage assembly is combined with concrete poured retaining wall body, overlarge or further deformation of a roadbed can be effectively limited, the economy and the practicability are more reasonable, and the economic benefit is remarkable.
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
In order 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 examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit 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 present 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 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 invention also provides a construction method for quickly constructing the cutting retaining wall, which comprises the following steps:
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.
According to the invention, the graticule gabion 1 assembly is used as the wall back backfill material and back side template function in the rapid construction of the cutting retaining wall, the problems that the wall body is poured by erecting a front formwork and a back formwork and the wall back backfill construction is difficult in the conventional retaining wall construction are solved, the construction procedures are reduced, the construction period is greatly shortened, the graticule gabion 1 assembly can be self-stabilized, a certain retaining effect on a cutting side slope is achieved, the combination of the graticule gabion 1 assembly and the poured retaining wall body concrete 5 can effectively limit the roadbed from being too large or further deformed, the economy and the practicability are more reasonable, and the economic benefit is remarkable.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
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.
5. A rapid construction method for a cutting retaining wall is characterized by comprising the following steps:
s1: sequentially stacking the gabions (1) upwards along the slope toe of the cutting slope, wherein the gabions (1) are stacked twice; the gabion (1) is piled up to the position of the drainage hole for the first time;
s2: a layer of impermeable geotextile (3) is laid below the drainage hole in sequence, and concrete with the thickness of 10-20 cm is poured after fine stones are used for gap filling to serve as a waterproof layer (4);
s3: after the anti-seepage geotextile (3) and the waterproof layer (4) below the drainage hole are constructed, piling the gabion (1) to the slope top elevation; 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 side slope;
s4: after the steps are completed, the piled gabion (1) is used as a back, a template is erected on the outer side of the gabion (1), and retaining wall concrete (5) is poured once after the position of the water drain pipe (2) is reserved;
s5: and constructing a water-resisting backfill layer (6) on the wall top, wherein the material is compacted by adopting cohesive soil or 5% cement stabilized soil for preventing runoff water on the surface of the slope from permeating into the wall back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010856129.8A CN111877397A (en) | 2020-08-24 | 2020-08-24 | Rapid construction cutting retaining wall and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010856129.8A CN111877397A (en) | 2020-08-24 | 2020-08-24 | Rapid construction cutting retaining wall and construction method thereof |
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| CN111877397A true CN111877397A (en) | 2020-11-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094948A (en) * | 2022-07-27 | 2022-09-23 | 中冶建工集团有限公司 | Pile-plate type retaining wall combined frame and construction method |
| CN115142464A (en) * | 2022-06-18 | 2022-10-04 | 中国水利水电第十六工程局有限公司 | Construction method of gabion retaining wall |
| CN115478547A (en) * | 2022-10-17 | 2022-12-16 | 中国二十冶集团有限公司 | Method for arranging bridge and culvert conical slope gabion retaining wall |
| CN117418488A (en) * | 2023-12-18 | 2024-01-19 | 中国石油大学(华东) | Combined stone blocking wall construction method with energy consumption, shock absorption and drainage functions |
-
2020
- 2020-08-24 CN CN202010856129.8A patent/CN111877397A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142464A (en) * | 2022-06-18 | 2022-10-04 | 中国水利水电第十六工程局有限公司 | Construction method of gabion retaining wall |
| CN115142464B (en) * | 2022-06-18 | 2024-05-14 | 中国水利水电第十六工程局有限公司 | Construction method of gabion retaining wall |
| CN115094948A (en) * | 2022-07-27 | 2022-09-23 | 中冶建工集团有限公司 | Pile-plate type retaining wall combined frame and construction method |
| CN115478547A (en) * | 2022-10-17 | 2022-12-16 | 中国二十冶集团有限公司 | Method for arranging bridge and culvert conical slope gabion retaining wall |
| CN115478547B (en) * | 2022-10-17 | 2023-06-20 | 中国二十冶集团有限公司 | Setting method of bridge-culvert conical slope gabion retaining wall |
| CN117418488A (en) * | 2023-12-18 | 2024-01-19 | 中国石油大学(华东) | Combined stone blocking wall construction method with energy consumption, shock absorption and drainage functions |
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