CN110984216A - Horizontal T-shaped reinforced concrete retaining wall and construction method thereof - Google Patents
Horizontal T-shaped reinforced concrete retaining wall and construction method thereof Download PDFInfo
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- CN110984216A CN110984216A CN201911151983.8A CN201911151983A CN110984216A CN 110984216 A CN110984216 A CN 110984216A CN 201911151983 A CN201911151983 A CN 201911151983A CN 110984216 A CN110984216 A CN 110984216A
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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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
- E01C5/08—Reinforced units with steel frames
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
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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
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0266—Retaining or protecting walls characterised by constructional features made up of preformed elements
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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
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0275—Retaining or protecting walls characterised by constructional features cast in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Retaining Walls (AREA)
Abstract
The invention discloses a horizontal T-shaped reinforced concrete retaining wall and a construction method thereof. The retaining wall is in a T shape rotated by 90 degrees and comprises a horizontally arranged reinforced concrete slab and a vertically arranged reinforced concrete wall, and the reinforced concrete slab and the reinforced concrete wall are of an integrated structure; the reinforced concrete slab is used for road passing; and a retaining pile is arranged between the reinforced concrete wall and the soil body on one side, and the other side of the reinforced concrete wall is divided into an above-ground wall and an underground wall by taking the reinforced concrete slab as a boundary. The reinforced concrete wall and the horizontal reinforced concrete slab are fixedly connected into an integral structure, and the integral structure integrally resists horizontal thrust generated by a lateral soil body in an internal bending moment balance mode. Compared with the traditional gravity type and cantilever type retaining walls, the vertical wall body reduces the volume of the soil body needing to be excavated due to the construction of the retaining wall and the volume of backfill soil after construction. The invention is suitable for narrow construction space, improves the anti-skid capability of the structure and ensures the safety of the structure.
Description
Technical Field
The invention relates to a horizontal T-shaped reinforced concrete retaining wall and a construction method thereof, belonging to the technical field of retaining walls.
Background
The retaining wall forms provided by the existing retaining wall standard atlas are gravity type and cantilever type retaining walls, and the retaining wall forms can block the lateral pressure of the soil body and simultaneously ensure the self stability by depending on the self gravity of the wall body or by means of the weight of the soil body. However, the retaining wall provided by the existing map set occupies a large area, and cannot be applied to an area with a narrow space and a road passing requirement.
Disclosure of Invention
The invention provides a horizontal T-shaped reinforced concrete retaining wall and a construction method thereof, wherein the retaining wall is in a T shape rotated by 90 degrees and comprises a horizontally arranged reinforced concrete slab and a vertically arranged reinforced concrete wall body, and the reinforced concrete slab and the reinforced concrete wall body are of an integrated structure which integrally resists horizontal thrust generated by a lateral soil body in an internal bending moment balance mode. Wall body thickness is far less than traditional gravity type and cantilever type retaining wall's thickness for the horizontal plate that balanced wall body bore soil pressure can also regard as the road to use, thereby makes this type retaining wall can satisfy the region that can't use traditional gravity type or cantilever type retaining wall because of the space is narrow and small, and additionally satisfies the current needs of this regional road.
In order to solve the technical problems, the invention comprises the following technical scheme:
a horizontal T-shaped reinforced concrete retaining wall is T-shaped and rotates 90 degrees, and comprises a horizontally arranged reinforced concrete slab and a vertically arranged reinforced concrete wall body, wherein the reinforced concrete slab and the reinforced concrete wall body are of an integrated structure;
the reinforced concrete slab is used for road traffic, and a roadbed is arranged below the reinforced concrete slab;
and a retaining pile is arranged between the reinforced concrete wall and the soil body on one side, and the other side of the reinforced concrete wall is divided into an above-ground wall and an underground wall by taking the reinforced concrete slab as a boundary.
Further, the retaining pile is a concrete cast-in-place pile or a Larsen steel plate pile.
In addition, the invention also provides another horizontal T-shaped reinforced concrete retaining wall, the retaining wall is in a T shape rotated by 90 degrees and comprises a horizontally arranged reinforced concrete slab and a vertically arranged reinforced concrete wall, and the reinforced concrete slab and the reinforced concrete wall are of an integrated structure;
the reinforced concrete slab is used for road traffic, and a roadbed is arranged below the reinforced concrete slab;
the reinforced concrete wall body is used for blocking lateral soil pressure, and is divided into an overground wall body and an underground wall body by taking the reinforced concrete slab as a boundary.
Correspondingly, the invention also provides a construction method of the horizontal T-shaped reinforced concrete retaining wall, which comprises the following steps:
prefabricating a T-shaped reinforced concrete retaining wall for later use, wherein the width of a reinforced concrete slab is consistent with the designed width of a road surface, and the heights of an upper wall body and an underground wall body of the reinforced concrete wall body are determined by design;
determining a side line of a soil body to be excavated, and driving a retaining pile along the outer side of the side line to temporarily support the soil body;
excavating a soil body to a designed excavation surface, excavating a groove for embedding an underground wall body, and compacting a roadbed soil body or compacting the roadbed soil body after filling;
and placing the retaining wall, enabling the reinforced concrete slab to be placed on the roadbed soil body, and enabling the underground wall body to be inserted into the groove to form the horizontal T-shaped reinforced concrete retaining wall.
Further, after the earth retaining wall is buried, if the earth retaining pile adopts a Larsen steel plate pile, the Larsen steel plate pile can be pulled out and backfilled with stone chips; and if the retaining pile is a concrete cast-in-place pile, pouring concrete into a gap between the retaining wall and the retaining pile.
In addition, the invention also provides another construction method of the horizontal T-shaped reinforced concrete retaining wall, which comprises the following steps:
determining a side line of a soil body to be excavated, and driving a retaining pile along the outer side of the side line to temporarily support the soil body;
excavating a soil body to a designed excavation surface, excavating a groove for arranging an underground wall body, and compacting a roadbed soil body or compacting the roadbed soil body after filling;
binding reinforced concrete slabs and reinforcing steel bars of the reinforced concrete wall, then integrally pouring the reinforced concrete wall and the concrete of the reinforced concrete slabs by using a vertical mold, and fully vibrating, compacting and maintaining the concrete at the joint of the wall and the horizontal plate;
and after the concrete reaches the designed form removal strength, removing the form of the ground wall to form the horizontal T-shaped reinforced concrete retaining wall.
Further, after the earth retaining wall is buried, if the earth retaining pile adopts a Larsen steel plate pile, the Larsen steel plate pile can be pulled out and backfilled with stone chips; and if the retaining pile is a concrete cast-in-place pile, pouring concrete into a gap between the retaining wall and the retaining pile.
According to the horizontal T-shaped reinforced concrete retaining wall provided by the invention, the ground wall body directly blocks the horizontal thrust generated by the soil body, the horizontal concrete slab can be used as a road panel, the bending moment generated by the horizontal thrust of the soil body is balanced by the resisting moment generated by the ground reaction force, and meanwhile, the ground reaction force can increase the friction force between the retaining wall and the ground, so that the stability of the retaining wall in resisting sliding is enhanced. In addition, the underground wall body is blocked by the soil body below the horizontal concrete slab, so that the anti-sliding stability of the retaining wall can be further provided. Compared with the existing gravity type and cantilever type retaining wall forms, the reinforced concrete wall body and the horizontal reinforced concrete slab are fixedly connected into an integral structure, and the structure integrally resists the horizontal thrust generated by the lateral soil body in an internal bending moment balance mode. Compared with the traditional gravity type and cantilever type retaining walls, the vertical wall body reduces the volume of the soil body needing to be excavated due to the construction of the retaining wall, and also reduces the volume of backfill soil after the construction of the retaining wall is finished. The method provides a solution for building the retaining wall in a narrow construction space, improves the anti-sliding capacity of the structure and ensures the safety of the structure.
Drawings
Fig. 1 is a schematic structural view of a horizontal T-shaped reinforced concrete retaining wall according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a horizontal T-shaped reinforced concrete retaining wall according to another embodiment of the present invention.
The numbers in the figures are as follows:
1-a retaining wall; 11-reinforced concrete slab; 12-reinforced concrete wall; 121-above ground wall; 122-underground walls; 2-a soil retaining pile; 3-soil body; 4-roadbed.
Detailed Description
The horizontal T-shaped reinforced concrete retaining wall and the construction method thereof according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent in conjunction with the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example one
Fig. 1 shows a horizontal T-shaped reinforced concrete retaining wall, wherein the retaining wall 1 is a T-shaped retaining wall rotated by 90 degrees and comprises a horizontally arranged reinforced concrete slab 11 and a vertically arranged reinforced concrete wall 12, and the reinforced concrete slab 11 and the reinforced concrete wall 12 are of an integrated structure. The reinforced concrete slab 11 is used for road traffic, and the roadbed 4 is arranged below the reinforced concrete slab. And a retaining pile 2 is arranged between the reinforced concrete wall body 12 and the soil body 3 on one side, and the other side of the reinforced concrete wall body 12 is divided into an above-ground wall body 121 and an underground wall body 122 by taking the reinforced concrete slab 11 as a boundary.
Wherein, retaining pile 2 can be multiple form, for example concrete pile or Larsen steel sheet pile, sets up retaining pile 2 and is before retaining wall 1 construction, for the temporary soil retaining structure that the soil body provided, simultaneously, behind the retaining wall construction, can improve the retaining capacity.
According to the horizontal T-shaped reinforced concrete retaining wall 1 provided by the invention, the ground wall body 121 directly blocks horizontal thrust generated by a soil body, the horizontal concrete slab can be used as a road panel, bending moment generated by the horizontal thrust of the soil body 3 is balanced by resisting moment generated by ground reaction force, and meanwhile, the ground reaction force can increase the friction force between the retaining wall and the ground, so that the stability of the retaining wall in resisting sliding is enhanced. In addition, the underground wall 122 may further provide stability against slippage of the retaining wall due to the obstruction of the soil beneath the horizontal concrete slab. Compared with the existing gravity type and cantilever type retaining wall forms, the reinforced concrete wall body 12 and the horizontal reinforced concrete slab 11 are fixed into an integral structure, and the structure integrally resists the horizontal thrust generated by the lateral soil body 3 in an internal bending moment balance mode. Compared with the traditional gravity type and cantilever type retaining walls, the vertical wall body reduces the volume of the soil body 3 needing to be excavated for building the retaining wall 1, and also reduces the volume of backfill soil after the construction of the retaining wall 1 is finished. The invention provides a solution for building the retaining wall in a narrow construction space, improves the anti-sliding capacity of the retaining wall 1 and ensures the safety of the retaining wall 1. In addition, the retaining wall 1 can be prefabricated, and the site construction speed can be obviously accelerated.
Correspondingly, the embodiment also provides a construction method of the horizontal T-shaped reinforced concrete retaining wall 1, wherein the T-shaped reinforced concrete retaining wall is prefabricated in advance, and the construction method comprises the following steps:
prefabricating a T-shaped reinforced concrete retaining wall 1 for later use, wherein the width of a reinforced concrete slab 11 is consistent with the designed width of a road surface, and the heights of an upper wall body and an underground wall body 122 of a reinforced concrete wall body 12 are determined by design;
determining a side line of a soil body to be excavated, and driving a soil retaining pile 2 along the outer side of the side line to temporarily support the soil body;
excavating a soil body to a designed excavation surface, excavating a groove for embedding the underground wall 122, and compacting the soil body of the roadbed 4;
the retaining wall is placed so that the reinforced concrete slab 11 is placed on the soil mass of the roadbed 4 and the underground wall 122 is inserted into the groove to form the horizontal T-shaped reinforced concrete retaining wall 1.
In addition, the embodiment also provides another construction method of the horizontal T-shaped reinforced concrete retaining wall 1, wherein the T-shaped reinforced concrete retaining wall is cast in place, and the construction method comprises the following steps:
determining a side line of a soil body to be excavated, and driving a retaining pile 2 along the outer side of the side line to support the soil body;
excavating a soil body to a designed excavation surface, excavating a groove for arranging the underground wall 122, and compacting the soil body of the roadbed 4;
binding steel bars of the reinforced concrete slab 11 and the reinforced concrete wall 12, then integrally pouring concrete of the reinforced concrete wall 12 and the concrete slab 11 by using a vertical mold, and fully vibrating, compacting and maintaining concrete at the joint of the overground wall 121, the underground wall 122 and the horizontal plate 11;
and after the concrete reaches the designed form removal strength, removing the template to form the horizontal T-shaped reinforced concrete retaining wall 1.
Example two
Fig. 2 shows another horizontal T-shaped reinforced concrete retaining wall, wherein the retaining wall 1 is a T-shaped retaining wall rotated by 90 degrees and comprises a horizontally arranged reinforced concrete slab 11 and a vertically arranged reinforced concrete wall 12, and the reinforced concrete slab 11 and the reinforced concrete wall 12 are of an integrated structure; the reinforced concrete slab 11 is used for road traffic, and the roadbed 4 is arranged below the reinforced concrete slab; the reinforced concrete wall 12 is used for blocking lateral soil pressure, and is divided into an above-ground wall 121 and an underground wall 122 by taking the reinforced concrete slab 11 as a boundary. Different from the embodiment, this retaining wall's retaining pile 2 adopts interim retaining pile 2, finishes at the retaining wall construction after, and retaining pile 2 is extracted, adopts the soil body to backfill, and retaining pile 2 repeatedly usable practices thrift the cost.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A horizontal T-shaped reinforced concrete retaining wall is characterized in that the retaining wall is in a T shape rotated by 90 degrees and comprises a horizontally arranged reinforced concrete slab and a vertically arranged reinforced concrete wall body, wherein the reinforced concrete slab and the reinforced concrete wall body are of an integrated structure;
the reinforced concrete slab is used for road traffic, and a roadbed is arranged below the reinforced concrete slab;
and a retaining pile is arranged between the reinforced concrete wall and the soil body on one side, and the other side of the reinforced concrete wall is divided into an above-ground wall and an underground wall by taking the reinforced concrete slab as a boundary.
2. A horizontal T-shaped reinforced concrete retaining wall as claimed in claim 1, wherein said retaining pile is a concrete cast-in-place pile or a larsen steel plate pile.
3. A horizontal T-shaped reinforced concrete retaining wall is characterized in that the retaining wall is in a T shape rotated by 90 degrees and comprises a horizontally arranged reinforced concrete slab and a vertically arranged reinforced concrete wall body, wherein the reinforced concrete slab and the reinforced concrete wall body are of an integrated structure;
the reinforced concrete slab is used for road traffic, and a roadbed is arranged below the reinforced concrete slab;
the reinforced concrete wall body is used for blocking lateral soil pressure, and is divided into an overground wall body and an underground wall body by taking the reinforced concrete slab as a boundary.
4. A construction method of a horizontal T-shaped reinforced concrete retaining wall according to claim 1, comprising the steps of:
prefabricating a T-shaped reinforced concrete retaining wall for later use, wherein the width of a reinforced concrete slab is consistent with the designed width of a road surface, and the heights of an upper wall body and an underground wall body of the reinforced concrete wall body are determined by design;
determining a side line of a soil body to be excavated, and driving a retaining pile along the outer side of the side line to temporarily support the soil body;
excavating a soil body to a designed excavation surface, excavating a groove for embedding an underground wall body, and compacting a roadbed soil body or compacting the roadbed soil body after filling;
and placing the retaining wall, enabling the reinforced concrete slab to be placed on the roadbed soil body, and enabling the underground wall body to be inserted into the groove to form the horizontal T-shaped reinforced concrete retaining wall.
5. The construction method according to claim 4, further comprising, after the earth retaining wall is completely buried, if the earth retaining pile is a Larsen steel sheet pile, pulling out the Larsen steel sheet pile and backfilling with stone chips; and if the retaining pile is a concrete cast-in-place pile, pouring concrete into a gap between the retaining wall and the retaining pile.
6. A construction method of a horizontal T-shaped reinforced concrete retaining wall according to claim 1, comprising the steps of:
determining a side line of a soil body to be excavated, and driving a retaining pile along the outer side of the side line to temporarily support the soil body;
excavating a soil body to a designed excavation surface, excavating a groove for arranging an underground wall body, and compacting a roadbed soil body or compacting the roadbed soil body after filling;
binding reinforced concrete slabs and reinforcing steel bars of the reinforced concrete wall, then integrally pouring the reinforced concrete wall and the concrete of the reinforced concrete slabs by using a vertical mold, and fully vibrating, compacting and maintaining the concrete at the joint of the wall and the horizontal plate;
and after the concrete reaches the designed form removal strength, removing the form of the ground wall to form the horizontal T-shaped reinforced concrete retaining wall.
7. The construction method according to claim 6, further comprising, after the earth retaining wall is completely buried, if the earth retaining pile is a larsen steel sheet pile, pulling out the larsen steel sheet pile and backfilling the same with stone chips; and if the retaining pile is a concrete cast-in-place pile, pouring concrete into a gap between the retaining wall and the retaining pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911151983.8A CN110984216A (en) | 2019-11-22 | 2019-11-22 | Horizontal T-shaped reinforced concrete retaining wall and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911151983.8A CN110984216A (en) | 2019-11-22 | 2019-11-22 | Horizontal T-shaped reinforced concrete retaining wall and construction method thereof |
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| CN110984216A true CN110984216A (en) | 2020-04-10 |
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| CN201911151983.8A Pending CN110984216A (en) | 2019-11-22 | 2019-11-22 | Horizontal T-shaped reinforced concrete retaining wall and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059582A (en) * | 2021-11-19 | 2022-02-18 | 北京城建集团有限责任公司 | Construction process of irregular-shaped gravity retaining wall |
| CN115262291A (en) * | 2022-08-09 | 2022-11-01 | 中铁第六勘察设计院集团有限公司 | Structure for embedding railway ballast retaining wall into concrete pavement and construction method |
-
2019
- 2019-11-22 CN CN201911151983.8A patent/CN110984216A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059582A (en) * | 2021-11-19 | 2022-02-18 | 北京城建集团有限责任公司 | Construction process of irregular-shaped gravity retaining wall |
| CN115262291A (en) * | 2022-08-09 | 2022-11-01 | 中铁第六勘察设计院集团有限公司 | Structure for embedding railway ballast retaining wall into concrete pavement and construction method |
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