CN110565683A - Prefabricated assembled cabin format composite construction retaining wall system - Google Patents
Prefabricated assembled cabin format composite construction retaining wall system Download PDFInfo
- Publication number
- CN110565683A CN110565683A CN201910671001.1A CN201910671001A CN110565683A CN 110565683 A CN110565683 A CN 110565683A CN 201910671001 A CN201910671001 A CN 201910671001A CN 110565683 A CN110565683 A CN 110565683A
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- retaining wall
- cabin
- end block
- shaped
- prefabricated
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- 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
- E02D29/0283—Retaining or protecting walls characterised by constructional features of mixed type
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Retaining Walls (AREA)
Abstract
The invention relates to the technical field of retaining walls of rock-soil side slopes, in particular to a retaining wall system with a prefabricated assembled cabin-format composite structure, which mainly comprises the retaining wall with the assembled cabin-format composite structure, original soil and backfill materials. The invention has the advantages that: meanwhile, by adopting the prefabricating technology, the use of large-scale field mechanical equipment is reduced, the labor productivity and the construction efficiency are improved, the construction progress is accelerated, the engineering quality is ensured, the light and thin assembled retaining wall is realized, and the small influence on the social environment and the ecology around the field is reduced.
Description
Technical Field
The invention relates to a retaining wall system with a prefabricated assembled cabin format composite structure, and belongs to the field of geotechnical engineering and geological engineering.
Background
The retaining wall is a structure for supporting roadbed filling or hillside soil and preventing the filling or soil from deforming and destabilizing. Generally, the service function requirements to be satisfied by the retaining wall mainly include: (1) various loads which may appear in normal construction and normal use can be borne; (2) the working performance is good when the device is used normally; (3) sufficient durability and stability. Retaining walls are of many types and can be divided into stone retaining walls, brick retaining walls, concrete retaining walls, reinforced concrete retaining walls, geosynthetic retaining walls, and the like, depending on the materials used; according to the structural form, the retaining wall can be divided into a gravity type, a thin-wall type, an anchoring type, a sheet pile wall, a reinforced earth retaining wall and the like. From the structural form and materials of the prior retaining wall, the prior retaining wall mainly comprises a rubble masonry gravity retaining wall, a cast-in-place rubble concrete retaining wall, a cast-in-place reinforced concrete box-type retaining wall, a prefabricated assembly type retaining wall and a novel reinforced retaining wall. The prior retaining wall has the defects of large labor consumption, various construction procedures, difficult field quality control, large stone concrete consumption, high later maintenance difficulty and the like, and is not suitable for the economic and social development trend of China at the present stage.
The retaining wall structure is an important structural component in the road construction process, and if the industrial construction of the retaining wall can be solved, the major improvement of the industrial construction of the infrastructure can be realized to a great extent. The industrialization process of the infrastructure can be more comprehensively developed, and the significance is profound.
Therefore, there is a need for a retaining wall that is environmentally friendly, energy-saving, highly applicable, simple to construct, and has less negative impact on the surrounding social environment and ecology.
Disclosure of Invention
The invention aims to overcome the defects and provides a retaining wall system with a prefabricated assembled cabin format composite structure, which realizes structural modularization, part industrialization and construction mechanization, has the advantages of environmental protection and energy conservation, and saves increasingly tense labor resources.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a prefabricated assembled cabin format composite structure retaining wall system comprises an assembled cabin format composite structure retaining wall, backfill materials and original soil;
The assembled cabin-grid type composite retaining wall consists of two layers of retaining walls at the landslide part near the landslide part and a single layer of retaining wall at the landslide part far away from the landslide part, the two layers of retaining walls at the landslide part are formed by vertically aligning the two layers of retaining walls and combining the retaining walls by using a binder, the single layer of retaining wall consists of one cabin-grid type composite retaining wall, the bottoms of the two layers of retaining walls at the landslide part and the single layer of retaining wall are both buried in original soil and are tightly attached together, wherein the buried depth of the single layer of retaining wall in the original soil is lower than the buried depth of the retaining wall at the landslide part in the original soil, the difference of the two buried depth heights is recorded as delta H, and the delta H is 0.3-0.5 m;
The cabin-grid-type composite-structure retaining wall is formed by sequentially splicing a plurality of I-shaped cabin grids along the horizontal direction, and each I-shaped cabin grid is formed by a left end block of a T-shaped prefabricated structural body and a right end block of the T-shaped prefabricated structural body; the left end block and the right end block of the T-shaped prefabricated structure body both consist of a flange and a beam rib, and the beam rib is vertical to the center of the flange, namely the cross sections of the left end block and the right end block of the T-shaped prefabricated structure body are both T-shaped; the bottom of a beam rib of the end block on the right side of the T-shaped prefabricated structure body is provided with a through locking groove, the bottom of the beam rib of the end block on the left side of the T-shaped prefabricated structure body is provided with a locking flange corresponding to the groove, and the end block on the left side of the T-shaped prefabricated structure body and the end block on the right side of the T-shaped prefabricated structure body are installed into an I-shaped cabin lattice body through the matching of the locking flange and the locking groove;
And through matching of the splicing grooves and the splicing flanges, a plurality of I-shaped cabin lattices are combined into a complete cabin format composite structure retaining wall.
Preferably, the backfill material is tamped in layers and uniformly embedded in the cells of the I-cell body.
preferably, the backfill material is selected from one or a combination of more than two of crushed stone, gravel, slag and coarse sand.
Preferably, the end block on the left side of the T-shaped prefabricated structure body and the end block on the right side of the T-shaped prefabricated structure body are made of glass grating reinforced concrete.
Preferably, the raw soil is provided with a plurality of water discharge holes and a plurality of plastic water discharge pipes, and the orifices of the plurality of water discharge holes are respectively arranged at the following positions: the soil is filled between the original soil and the retaining wall at the two-layer landslide, the bottom of the compartment of the retaining wall at the two-layer landslide and the bottom of the compartment of the retaining wall at the single layer; the water drainage hole is communicated with the plastic drainage pipe, and the plastic drainage pipe extends from the bottoms of the retaining wall at the two-layer landslide and the retaining wall at the single layer to one side far away from the landslide.
the invention has the beneficial effects that:
1. According to the prefabricated assembled retaining wall, the T-shaped prefabricated structure body is prefabricated in a factory, so that the use of large-scale on-site mechanical equipment is reduced, the labor productivity and the construction efficiency are improved, the construction progress is accelerated, and small influence on the social environment and the ecology around the site is reduced.
2. The T-shaped prefabricated structural bodies adopted in the invention are divided into two types, so that modules are saved, the manufacturing cost is reduced, the T-shaped prefabricated structural bodies are economical and efficient, and the later maintenance is simple.
3. The novel material adopted by the invention for producing the T-shaped prefabricated structural body, namely the glass grid reinforced concrete, has the advantages of high tensile strength, low elongation, thermal stability, no long-term creep, no physical and chemical stability and the like, and improves the comprehensive performance of the prefabricated concrete, thereby prolonging the service life of the retaining wall.
Drawings
Fig. 1 is a three-dimensional view of a prefabricated assembled cabin lattice composite structure retaining wall system of the present invention.
Fig. 2 is a front view of a prefabricated assembled cabin lattice composite structure retaining wall system of the present invention.
Fig. 3 is a partial enlarged sectional view at the bottom a of the retaining wall system.
Fig. 4 is a top view of a prefabricated building block format composite construction retaining wall system of the present invention.
Fig. 5 is a three-dimensional view of an i-compartment of the present invention.
Figure 6 is a three-dimensional view of the left end block of a T-shaped prefabricated construction according to the invention.
Figure 7 is a three-dimensional view of the right-hand end-block of a T-shaped preform structure according to the invention.
wherein, 1, landslide; 2. a left end block of the T-shaped prefabricated structural body; 3. splicing the flanges; 4. splicing the grooves; 5. a locking flange; 6. a locking groove; 7. the right end block of the T-shaped prefabricated structural body; 8. backfilling materials; 9. a water discharge hole; 10. a plastic drain pipe; 11. raw soil; 12. two-layer landslide retaining wall; 13. a single-layer retaining wall; 14. an I-shaped bay; 15. a beam rib; 16. and (4) flanges.
Detailed Description
For further explanation of the present invention, the technical solutions in the embodiments of the present invention will be described in detail with reference to the accompanying drawings of the present invention.
Fig. 1 is a three-dimensional view of a prefabricated building block format composite structure retaining wall system of the present invention, fig. 2 is a front view of the prefabricated building block format composite structure retaining wall system of the present invention, fig. 3 is a partially enlarged sectional view taken at a in fig. 2, and fig. 4 is a plan view of the prefabricated building block format composite structure retaining wall system of the present invention. As can be seen from fig. 1 to 4, the retaining wall system of the prefabricated assembled cabin format composite structure comprises an assembled cabin format composite structure retaining wall, backfill materials 8 and original soil 11.
The assembled cabin grid type composite structure retaining wall is composed of a two-layer type landslide retaining wall 12 close to a landslide 1 and a single-layer retaining wall 13 far away from the landslide 1, the two-layer type landslide retaining wall 12 is formed by vertically aligning the two cabin grid type composite structure retaining walls and combining the retaining walls by using a binder, the single-layer retaining wall 13 is composed of a cabin grid type composite structure retaining wall, and the bottoms of the two-layer type landslide retaining wall 12 and the single-layer retaining wall 13 are both buried in original soil 11 and are tightly attached together. Wherein the burial depth of the single-layer retaining wall 13 in the original soil 11 is lower than the burial depth of the retaining wall 12 at the two-layer landslide in the original soil 11, the difference of the two burial depths is recorded as delta H, and the delta H is 0.3-0.5 m. Namely, the single-layer retaining wall 13 is buried in the original soil 11 to a shallower depth than the base of the retaining wall 12 at the two-layer landslide position near the landslide 1, thereby causing a dislocation to reinforce and stabilize the upper and lower parts of the retaining wall 12 at the two-layer landslide position near the landslide position 1.
Fig. 5 is a three-dimensional view of a i-cell of the present invention, fig. 6 is a three-dimensional view of the left end block of a T-shaped preform structure of the present invention, and fig. 7 is a three-dimensional view of the right end block of a T-shaped preform structure of the present invention. As can be seen from fig. 5 to 7, the retaining wall of the cabin lattice type composite structure is formed by sequentially splicing a plurality of h-shaped cabin lattices 14 in a horizontal direction. The drum module 14 is comprised of a T-shaped preform left end block 2 and a T-shaped preform right end block 7. The left end block 2 and the right end block 7 of the T-shaped prefabricated structure both consist of a flange 16 and a beam rib 15, and the beam rib 15 is perpendicular to the center of the flange 16, namely the cross sections of the left end block 2 and the right end block 7 of the T-shaped prefabricated structure are both T-shaped. The bottom of the beam rib 15 of the end block 7 on the right side of the T-shaped prefabricated structure is provided with a through locking groove 6, the bottom of the beam rib 15 of the end block 2 on the left side of the T-shaped prefabricated structure is provided with a locking flange 5 corresponding to the locking groove 6, and the end block 2 on the left side of the T-shaped prefabricated structure and the end block 7 on the right side of the T-shaped prefabricated structure are installed into a I-shaped cabin body 14 through the matching of the locking flange 5 and the locking groove 6. In the embodiment, the materials of the end block 2 at the left side of the T-shaped prefabricated structure body and the end block 7 at the right side of the T-shaped prefabricated structure body are glass grid reinforced concrete. Namely, the left end block 2 of the T-shaped precast structure body and the right end block 7 of the T-shaped precast structure body are both precast by glass grating reinforced concrete, so that the comprehensive performance of the precast concrete is improved, and the service life of the retaining wall is prolonged.
The I-shaped cabin 14 is filled with backfill materials 8, and the backfill materials 8 are compacted in layers and are uniformly buried in the cabin of the I-shaped cabin 14. In the present embodiment, the backfill material 8 is selected from a combination of two or more of crushed stone, gravel, slag, and coarse sand.
One end of the flange 15 of the end block 2 at the left side of the T-shaped prefabricated structure body and the end block 7 at the right side of the T-shaped prefabricated structure body is provided with a through splicing groove 4, the other end of the flange is provided with a splicing flange 3 corresponding to the splicing groove 4, and a plurality of I-shaped cabin lattices 14 are combined into a complete cabin format composite structure retaining wall through the matching of the splicing groove 4 and the splicing flange 3. In the present embodiment, the combination of retaining walls of various specifications can be realized by such cooperation.
in this embodiment, the raw soil 11 is provided with a water discharge hole 9 and a plastic drain pipe 10. The water discharge holes 9 are provided with a plurality of water discharge holes, and orifices of the water discharge holes 9 are respectively arranged at the following positions: between original soil 11 and two-layer formula landslide department retaining wall 12, the bay bottom of individual layer retaining wall 13. The water discharging holes 9 and the plastic drainage pipes 10 are communicated with each other, and the plastic drainage pipes 10 extend from the bottoms of the retaining walls 12 at the two-layer landslide part and the retaining walls 13 at the single layer to the side far away from the landslide 1.
The invention not only reduces the use of large-scale mechanical equipment on site, improves the labor productivity and the construction efficiency, accelerates the construction progress, but also reduces the small influence on the social environment and the ecology around the site, saves modules, reduces the manufacturing cost, is economical and efficient, and has simple later maintenance. Meanwhile, the glass grating and the reinforced concrete are adopted, so that the comprehensive performance of the precast concrete is improved, and the service life of the retaining wall is prolonged.
Claims (5)
1. A prefabricated assembled cabin format composite structure retaining wall system comprises an assembled cabin format composite structure retaining wall, backfill materials (8) and original soil (11), and is characterized in that the assembled cabin format composite structure retaining wall is composed of a two-layer type landslide retaining wall (12) at a position close to a landslide (1) and a single-layer retaining wall (13) at a position far away from the landslide (1), the two-layer type landslide retaining wall (12) is formed by vertically aligning the two cabin format composite structure retaining walls and combining the retaining walls by using a bonding agent, the single-layer retaining wall (13) is composed of a cabin format composite structure retaining wall, the bottoms of the two-layer type landslide retaining wall (12) and the single-layer retaining wall (13) are buried in the original soil (11) and are tightly attached together, wherein the burial depth of the single-layer retaining wall (13) in the original soil (11) is lower than the burial depth of the two-layer type landslide retaining wall (12) in the original soil (11), recording the difference between the two burial depths as delta H, wherein the delta H is 0.3-0.5 m;
The cabin-format composite structure retaining wall is formed by sequentially splicing a plurality of I-shaped cabin grids (14) along the horizontal direction, wherein each I-shaped cabin grid (14) is formed by a T-shaped prefabricated structural body left end block (2) and a T-shaped prefabricated structural body right end block (7); the left end block (2) and the right end block (7) of the T-shaped prefabricated structure body are both composed of a flange (16) and a beam rib (15), and the beam rib (15) is perpendicular to the center position of the flange (16), namely the cross sections of the left end block (2) and the right end block (7) of the T-shaped prefabricated structure body are both T-shaped; the bottom of a beam rib (15) of the end block (7) on the right side of the T-shaped prefabricated structure is provided with a through locking groove (6), the bottom of the beam rib (15) of the end block (2) on the left side of the T-shaped prefabricated structure is provided with a locking flange (5) corresponding to the locking groove (6), and the end block (2) on the left side of the T-shaped prefabricated structure and the end block (7) on the right side of the T-shaped prefabricated structure are installed into an I-shaped cabin body (14) through the matching of the locking flange (5) and the locking groove (6);
One end of the flange (15) of the left end block (2) and the right end block (7) of the T-shaped prefabricated structure body is provided with a through splicing groove (4), the other end of the flange is provided with a splicing flange (3) corresponding to the splicing groove (4), and a plurality of I-shaped cabin lattices (14) are combined into a complete cabin format composite structure retaining wall through the matching of the splicing groove (4) and the splicing flange (3).
2. A prefabricated, assembled, cabin-format, composite-construction retaining wall system according to claim 1, characterised in that backfill material (8) is tamped in layers and uniformly embedded in the compartments of the I-compartment body (14).
3. A prefabricated, sectional format composite construction retaining wall system according to claim 2, characterized in that said backfill material (8) is selected from one or a combination of two or more of crushed stone, gravel, slag, and grit.
4. A prefabricated assembled cabin format composite structure retaining wall system according to claim 1, characterized in that the left end block (2) and the right end block (7) of the T-shaped prefabricated structure are made of glass grid reinforced concrete.
5. A prefabricated assembled cabin format composite structure retaining wall system according to claim 1, wherein a plurality of water discharging holes (9) and plastic drainage pipes (10) are arranged in the original soil (11), and the orifices of the water discharging holes (9) are respectively arranged at the following positions: between the original soil (11) and the two-layer landslide retaining wall (12), at the bottom of the compartment of the single-layer retaining wall (13); the water drainage hole (9) is communicated with the plastic drainage pipe (10), and the plastic drainage pipe (10) extends from the bottoms of the two-layer type landslide retaining wall (12) and the single-layer retaining wall (13) to one side far away from the landslide (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910671001.1A CN110565683A (en) | 2019-07-24 | 2019-07-24 | Prefabricated assembled cabin format composite construction retaining wall system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910671001.1A CN110565683A (en) | 2019-07-24 | 2019-07-24 | Prefabricated assembled cabin format composite construction retaining wall system |
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| CN110565683A true CN110565683A (en) | 2019-12-13 |
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| CN201910671001.1A Pending CN110565683A (en) | 2019-07-24 | 2019-07-24 | Prefabricated assembled cabin format composite construction retaining wall system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040073426A (en) * | 2004-08-02 | 2004-08-19 | 김길평 | A slope protection block for road |
| CN107288153A (en) * | 2016-04-11 | 2017-10-24 | 易朋莹 | A kind of prefabricated Gravity Retaining Wall |
| CN208056095U (en) * | 2018-01-05 | 2018-11-06 | 安徽省交通规划设计研究总院股份有限公司 | I-shaped precast concrete and its compound soil-baffling structure of assembled cabin format |
| CN108930284A (en) * | 2018-06-05 | 2018-12-04 | 南京吉欧地下空间科技有限公司 | A kind of assembled barrier wall structure and earth-filling method |
| CN109826228A (en) * | 2019-03-14 | 2019-05-31 | 沈阳建筑大学 | Assembled rubble fills retaining wall |
-
2019
- 2019-07-24 CN CN201910671001.1A patent/CN110565683A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040073426A (en) * | 2004-08-02 | 2004-08-19 | 김길평 | A slope protection block for road |
| CN107288153A (en) * | 2016-04-11 | 2017-10-24 | 易朋莹 | A kind of prefabricated Gravity Retaining Wall |
| CN208056095U (en) * | 2018-01-05 | 2018-11-06 | 安徽省交通规划设计研究总院股份有限公司 | I-shaped precast concrete and its compound soil-baffling structure of assembled cabin format |
| CN108930284A (en) * | 2018-06-05 | 2018-12-04 | 南京吉欧地下空间科技有限公司 | A kind of assembled barrier wall structure and earth-filling method |
| CN109826228A (en) * | 2019-03-14 | 2019-05-31 | 沈阳建筑大学 | Assembled rubble fills retaining wall |
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Application publication date: 20191213 |
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