CN110185061B - Assembled integral type underground space retaining wall and construction method - Google Patents
Assembled integral type underground space retaining wall and construction method Download PDFInfo
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- CN110185061B CN110185061B CN201910600607.6A CN201910600607A CN110185061B CN 110185061 B CN110185061 B CN 110185061B CN 201910600607 A CN201910600607 A CN 201910600607A CN 110185061 B CN110185061 B CN 110185061B
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000003292 glue Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000002787 reinforcement Effects 0.000 claims abstract description 5
- 239000004567 concrete Substances 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000004568 cement Substances 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 10
- 238000009412 basement excavation Methods 0.000 claims description 6
- 230000001680 brushing effect Effects 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000011150 reinforced concrete Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000035939 shock Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Hydrology & Water Resources (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Retaining Walls (AREA)
Abstract
The invention discloses an assembled integral underground space retaining wall and a construction method thereof, wherein the assembled integral underground space retaining wall comprises retaining wall columns, retaining wall plates, foundation raft plates and beam top plates; the foundation raft is arranged at the bottom of the retaining wall plate, and the retaining wall plate is connected with the retaining wall column by adopting a tongue-and-groove; the retaining wall plate comprises a grooved retaining wall plate and a bevel retaining wall plate, wherein the grooved retaining wall plate is used for being connected with retaining wall posts, and the bevel retaining wall plate is arranged in the middle of the grooved retaining wall plate at two sides; the beam top plate is connected and arranged above the retaining wall by adopting a tongue-and-groove; the tongue-and-groove connection is realized by adopting embedded bolts for secondary reinforcement and assembly to form a whole, and the tongue-and-groove adopts flexible waterproof glue as a connecting material; the rabbets are internally provided with water-swelling water stop bars which are used as safety guarantee for preventing water leakage. The invention has the advantages of stability, shock resistance and oil quantity, unlimited component size and low engineering cost.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to an assembled integral type underground space retaining wall and a construction method.
Background
Along with the acceleration of the urban process, the requirements of expanding the use space, stabilizing the building foundation and the like are considered, more and more buildings in the city are constructed and utilized for underground space and underground traffic, the area is continuously expanded, and the depth is continuously increased, so that the continuously increased traffic and parking requirements of the city are met.
The wall body, the foundation raft, the column and the beam top plate of the assembled integral retaining wall can be integrally prefabricated according to standard assembly, so that the assembled integral retaining wall has the advantages of short installation period, simple structure of the wall body, no position change, no performance change and no function change for design. The construction method has the advantages of small influence on the surrounding environment, easiness in improving construction quality, reduction of potential safety hazards in the construction process and the like. The assembled integral underground space retaining wall is widely applied to projects with short construction period, narrow places and poor foundation conditions. The method is generally used for underground spaces such as underground pipe galleries, subway transfer stations, underground parking lots and the like for road reverse construction.
Disclosure of Invention
The invention aims to provide an assembled integral type underground space retaining wall with good stability and shock resistance, unlimited component size and low engineering cost and a construction method.
The invention adopts the technical scheme that: an assembled integral underground space retaining wall comprises retaining wall columns, retaining wall plates, foundation raft plates and a beam top plate; the foundation raft is arranged at the bottom of the retaining wall plate, and the retaining wall plate is connected with the retaining wall column by adopting a tongue-and-groove; the retaining wall plate comprises a grooved retaining wall plate and a bevel retaining wall plate, wherein the grooved retaining wall plate is used for being connected with retaining wall posts, and the bevel retaining wall plate is arranged in the middle of the grooved retaining wall plate at two sides; the beam top plate is connected and arranged above the retaining wall by adopting a tongue-and-groove; the tongue-and-groove connection is realized by adopting embedded bolts for secondary reinforcement and assembly to form a whole, and the tongue-and-groove adopts flexible waterproof glue as a connecting material; the rabbets are internally provided with water-swelling water stop bars which are used as safety guarantee for preventing water leakage.
Furthermore, the outside of the foundation raft is provided with a reinforced concrete rabbet, and the internal corners of the rabbet are pre-embedded with water-swelling water stop bars and bolts.
Furthermore, one end of the tongue-and-groove type soil-blocking wallboard adopts a tongue-and-groove, the other end adopts a slope section with a large inside and a small outside at a 30-degree slope, water-swelling water stop bars and reserved crossing bolt holes are arranged on the section, and an embedded steel plate is arranged on the inner side of the embedded bolt hole wall body.
Furthermore, the inner wall surface of the groove type soil-retaining wall plate is wider than the water facing surface, the vertical section adopts a 30-degree slope, reinforcing bolts are pre-embedded on the slope, and the length of each bolt is equal to the inner side plane of the wall body.
Further, the beam top plate is a beam plate which is prefabricated by a processing plant and is provided with a rabbet at the joint of the beam top plate and the retaining wall, bolt holes are reserved in the rabbet, and water-swelling water stop bars are arranged in the rabbet.
The construction method of the assembled integral type underground space utilization retaining wall comprises the following steps:
first, prefabricating a component: prefabricating tongue-and-groove type retaining wall plates, foundation raft plates, retaining wall columns and beam top plates;
secondly, earth excavation: carrying out earth excavation according to the design drawing;
thirdly, installing a basic raft: after the foundation treatment, paving a foundation cushion layer, paying off and hanging a foundation raft to a designed elevation, firstly hanging a first foundation raft, then hanging a second foundation raft, assembling a first bottom plate and a second bottom plate at intervals by adopting a tongue-and-groove, assembling and connecting the first foundation raft and the second foundation raft through side embedded bars of the first foundation raft and the second foundation raft, and pouring anti-seepage expansion concrete;
fourth step, installing retaining wall column: after binding the on-site column steel bars, hoisting a concrete membrane shell prefabricated from a factory and provided with retaining wall grooved and tongued columns, and pouring column core concrete after adopting a pull rod and a fixed support;
fifthly, installing a tongue-and-groove type retaining wall plate; firstly, arranging waterproof water stop strips in the tongue-and-groove grooves, brushing mixed waterproof cement slurry on the tongue-and-groove grooves of the retaining wall column and the tongue-and-groove grooves of the retaining wall, and hoisting and installing the tongue-and-groove retaining wall plate.
Sixthly, installing a groove type soil retaining wallboard; lifting grooved retaining wall plates from retaining wall columns at two sides, and lifting groove retaining wall plates with slopes between the two grooved retaining wall plates, wherein the grooves are large at the outer side and small at the inner side;
seventh, installing a beam top plate; hoisting a beam top plate prefabricated in advance, installing a waterproof water stop bar in a tongue-and-groove on a wall body, brushing waterproof cement paste, adjusting an adjustable supporting rod to a certain position, placing the upper beam top plate, and arranging the wall body tongue-and-groove in a beam top plate tongue-and-groove.
Further, the foundation raft is cast-in-place by field practice or prefabricated in a factory.
Compared with the prior art, the invention has the following advantages;
1. the retaining wall plate, the foundation raft, the beam top plate and the retaining wall column are prefabricated in factories, so that the construction efficiency is improved, the occupied area is small, and the influence of the construction on the environment is small.
2. The construction process for assembling the integral retaining wall is simple, and is convenient for transportation and assembly, and the construction cost is reduced.
3. The assembled integral retaining wall is installed by adopting a tongue-and-groove, and is connected by adopting flexible waterproof glue, so that the retaining wall has the advantages of small deformation, high tensile strength, good corrosion resistance and ageing resistance, and the like, is convenient to transport, and has good economic benefit and engineering benefit.
Drawings
FIG. 1 is an overall cross-sectional view of an assembled one-piece retaining wall;
FIG. 2 is an overall top cross-sectional view of the assembled one-piece retaining wall;
FIG. 3 is a cross-sectional view of a base raft;
FIG. 4 is a cross-sectional view of a beam top plate;
FIG. 5 is a schematic cross-sectional view of a retaining wall panel;
FIG. 6 is a schematic view of a spliced section of a base raft;
FIG. 7 is a schematic top view of a first retaining wall column;
FIG. 8 is a schematic top view of a second retaining wall post;
FIG. 9 is a schematic top view of a third retaining wall post;
FIG. 10 is a schematic top view of a groove-type retaining wall plate;
FIG. 11 is a schematic top view of a tongue and groove retaining wall panel;
in the figure: 1-retaining wall column, 2-tongue-and-groove type retaining wall plate, 3-groove type retaining wall plate, 4-foundation raft plate, 5-beam top plate, 6-tongue-and-groove, 7-waterproof water stop bar, 8-waterproof cement paste, 9-waterproof layer, 10-waterproof layer, 11-positioning tool, 12-fixed pull rod, 13-reserved grouting opening, 14-extrusion tool, 15-adjustable supporting rod, 16-embedded bolt, 17-reserved bolt hole, 18-embedded steel plate, 19-gap treatment belt, 20-concrete, 21-reinforcing steel bar, 22-embedded reinforcing member, 23-hoisting ring, 24-embedded strong and weak current and 25-anchoring hole.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific implementations.
As shown in fig. 1 and 2, the present invention is an assembled integrated type underground space retaining wall comprising retaining wall posts 1, tongue-and-groove retaining wall plates 2, groove retaining wall plates 3, foundation raft plates 4, and beam top plates 5; wherein, the foundation raft 4 is installed in the bottom of the retaining wall board, the retaining wall is formed by connecting the tongue-and-groove retaining wall board 2 on two sides and the groove retaining wall board 3 in the middle, and the tongue-and-groove retaining wall board 2 on two sides and the retaining wall column 1 on two sides adopt tongue-and-groove 6 to connect into a flat plane. The roof beam 5 is installed in the top of retaining wallboard, adopts tongue-and-groove 6 to be connected with retaining wallboard. The components are secondarily reinforced and assembled into a whole by adopting the embedded bolts 16. The rabbet 6 adopts flexible waterproof glue as a connecting material, and water-swelling water stop bars are arranged in the rabbet 6 to prevent water leakage. The retaining wall plate, the retaining wall column 1, the foundation raft 4 and the beam top plate 5 are all prefabricated by reinforced steel bars and concrete materials.
In order to improve the prior art retaining wall assembled with the integrated underground space, the present invention will be described separately for each component assembled with the integrated retaining wall.
As shown in fig. 3 and 6, the basic raft 4 is schematically structured. The foundation is treated firstly at the construction site, then the foundation cushion layer is poured, and the foundation waterproof layer 9 and the waterproof protective layer 10 are paved. After paying off by adopting the positioning tool 11, the first basic raft 4 is placed at one angle, and then the basic raft is divided into module numbers according to the drawing, and the like. The foundation raft 4 is internally provided with reinforcing bars 21, the reinforcing bars 21 comprise longitudinal column reinforcing bars and transverse load reinforcing bars, and the outer sides of the reinforcing bars 21 are filled with concrete 20. The lap joint of the foundation raft plates 4 adopts the lap joint of tongue-and-groove staggered joints, so that the tongue-and-groove 6 is arranged at the two ends of the foundation raft plates 4, and the waterproof water stop strips 7 and the flexible waterproof cement paste 8 are arranged in the tongue-and-groove 6. The embedded bolts 16 at the rabbets are used for connecting and fixing the adjacent foundation raft plates 4. The anchor holes 25 around the foundation raft 4 are provided with pre-buried steel plates 18, and the anchor cable fastening is performed after the foundation raft 4 is assembled without damaging the components. And a hoisting ring 23 is welded on the reinforcing steel bar 21, and the hoisting ring 23 is slightly higher than the upper surface of the foundation raft 4, so that the hoisting is convenient during installation and construction.
As shown in fig. 4, the roof beam 5 includes concrete 20, reinforcing steel bars 21, tongue-and-groove waterproof water stop bars 7 and reserved bolt holes 17, the roof beam 5 has a structure similar to that of the foundation raft 4, the roof beam 5 is L-shaped as a whole, waterproof layers 9 and waterproof protection layers 10 are arranged at the top and the side surfaces of the roof beam 5, the outside of the reinforcing steel bars 21 is filled with the concrete 20, and lifting rings 23 are welded on the reinforcing steel bars 21 to facilitate lifting. The joint with the retaining wallboard is provided with a tongue-and-groove 6 under the beam, a waterproof water stop bar 7 is arranged at the internal corner of the tongue-and-groove, a reserved bolt hole 17 for the embedded bolt 16 to pass through is also arranged on the tongue-and-groove, a steel plate is embedded in the inner side of the tongue-and-groove beam, and the embedded steel plate 18 is used for protecting tongue-and-groove concrete from being damaged in the bolt reinforcing process. The tongue-and-groove is connected with the retaining wall board and adopts the reserved gap treatment belt 19, and the gap treatment is carried out after the retaining wall is installed and loaded, so that the assembled integral retaining wall can not have other position cracks any more, and the gap treatment belt 19 also has the effect of relieving the cracks on the earthquake resistance.
The integrated retaining wall is assembled as shown in fig. 2, 5, 10 and 11, wherein the groove type retaining wall plate 3 shown in fig. 10 and the tongue-and-groove type retaining wall plate 2 shown in fig. 11. One end face of the grooved retaining wall 2 is provided with a groove 6 which is connected with a groove on the retaining wall column 1, and the other end face is provided with a wall elevation with a gradient which is connected with the groove type retaining wall plate 3, and the function of the groove type retaining wall plate is wedge tenon function, so that the retaining wall plates are installed into a whole. The slope elevation is provided with a waterproof water stop strip 7 and an embedded bolt 16.
The retaining wall board is divided into a tongue-and-groove retaining wall board 2 and a groove retaining wall board 3, wherein the tongue-and-groove retaining wall board 2 and the groove retaining wall board 3 are respectively provided with stress steel bars 21, concrete 20 and a tongue-and-groove or 30-degree slope reserved around, the wall body is provided with a reserved grouting opening 13, and the reserved grouting opening 13 is also used as a wall body bearing and hanging penetrating tool. The wall is also provided with an embedded reinforcing member 22, embedded bolts 16 for reinforcing the upper rabbet of the wall and reserved bolt holes 17 of the lower rabbet of the wall plate, a waterproof water stop strip 7 is arranged on the inner side of the rabbet 6, embedded strong and weak current 24 is arranged in the wall, and an embedded steel plate 18 is arranged on the inner side of the lower side of the wall for reinforcing the wall plate and protecting the rabbet of the wall plate from being damaged during installation and pushing.
As shown in fig. 7, 8 and 9, the integral retaining wall column 1 is assembled, according to retaining wall board retaining requirements designed by drawing, retaining edge columns designed by drawing are deeply designed into columns with tongue-and-groove, according to the requirements of the design drawing, the retaining edge columns are divided into end column tongue-and-groove grooves (fig. 8), double-sided tongue-and-groove grooves (fig. 7) and corner column tongue-and-groove grooves (fig. 9), the integral retaining wall column 1 is formed by binding column stress steel bars on site, surrounding concrete membrane shells of columns prefabricated in factories are hung and sleeved outside the bound steel bar cages, and concrete pouring is performed after reinforcing around column bottoms and stabilizing supporting bars are added by correcting perpendicularity.
The construction method comprises the following steps:
step 1, prefabricating a component: and (3) processing and prefabricating the retaining wall plates, the foundation raft plates, the beam top plates and the retaining wall columns according to the construction drawing, and transporting the components to a construction site for classification and stacking after quality inspection is qualified.
Step 2, earth excavation: carrying out earth excavation according to the design drawing; and (3) setting out the plane position and the design elevation of the substrate, leveling and compacting the substrate, wherein the bearing capacity of the substrate is required to meet the design requirement, and the foundation treatment can be performed without meeting the design requirement.
Step 3, installing a basic raft: and paving a foundation cushion layer at the bottom of the foundation, making a waterproof layer and a waterproof protective layer, hanging a first foundation raft from one corner to a designed elevation, hanging other numbered foundation rafts according to the positions of the grooves, arranging water-swelling water stop bars in the grooves of the foundation raft when the foundation raft is installed, and paving flexible waterproof cement glue in the grooves. And hoisting and installing the foundation raft in the similar way according to the decomposition requirement of the design drawing, installing anchor cables at the same time of hoisting, and correcting all dimensions after the installation of the foundation raft is completed to anchor the foundation raft.
Step 4, installing retaining wall columns; and binding wall column steel bars on the foundation raft according to a design drawing, and hoisting the concrete membrane shell of the retaining wall column body according to the retaining wall deepening module of the enclosure. And (5) performing concrete pouring after the correction and the rapid reinforcement are completed.
Step 5, installing a retaining wall plate; the vertical face of the retaining wall plate is divided into a tongue-and-groove type and a groove type, and the upper part and the lower part are both the tongue-and-groove type. The grooved vertical face is connected with the grooved retaining wall column 1, and the grooved vertical face is connected with the middle slope vertical face retaining wall. Firstly, paving waterproof cement glue and waterproof water stop strips on the foundation raft and the wall column. And hoisting the grooved retaining wall plate and the retaining wall column to be connected in place for positioning, correcting the perpendicularity by adopting a fixed pull rod 12, hoisting the grooved elevation retaining wall plate, extruding the grooved retaining wall plate and a parallel surface of the grooved retaining wall plate by adopting a jack extrusion tool 14, and fastening reinforcing bolts.
Step 6, installing a beam top plate; correcting the rabbets on the retaining wall boards, paving waterproof cement glue and waterproof water stop strips, and filling the rabbet grooves of the retaining wall columns with waterproof cement paste 8. The adjustable supporting rods 15 on the foundation raft 4 are arranged and adjusted, the connecting beam film shells between the columns are hoisted, connecting beam reinforcement binding and concrete pouring are carried out, water stop strips are laid in the tongue-and-groove grooves below the beams when the face beam is hoisted, the tongue-and-groove grooves are placed in the tongue-and-groove grooves, the flexible waterproof water stop strips 7 are adopted to fill the tongue-and-groove gaps, after filling, sealing is carried out by waterproof cement paste, and then integral floor slab paving and hoisting are assembled on the beams.
Claims (7)
1. An assembled integral underground space retaining wall, which is characterized in that: a retaining wall plate, a foundation raft plate and a beam top plate; the foundation raft is arranged at the bottom of the retaining wall plate, and the retaining wall plate is connected with the retaining wall column by adopting a tongue-and-groove; the retaining wall plate comprises a grooved retaining wall plate and a bevel retaining wall plate, wherein the grooved retaining wall plate is used for being connected with retaining wall posts, and the bevel retaining wall plate is arranged in the middle of the grooved retaining wall plate at two sides; the beam top plate is connected and arranged above the soil-retaining wallboard by adopting a tongue-and-groove; the tongue-and-groove connection is realized by adopting embedded bolts for secondary reinforcement and assembly to form a whole, and the tongue-and-groove adopts flexible waterproof glue as a connecting material; the rabbets are internally provided with water-swelling water stop bars which are used as safety guarantee for preventing water leakage.
2. An assembled monolithic underground space retaining wall as in claim 1 wherein: the outside of the foundation raft board is provided with a reinforced concrete rabbet, and the internal corners of the rabbet are pre-embedded with water-swelling water stop bars and bolts.
3. An assembled monolithic underground space retaining wall as in claim 1 wherein: one end of the tongue-and-groove type soil-blocking wallboard adopts a tongue-and-groove, the other end adopts a slope section with a large inside and a small outside at a 30-degree slope, water-swelling water stop bars and reserved penetrating bolt holes are arranged on the section, and an embedded steel plate is arranged on the inner side of the embedded bolt hole wall.
4. An assembled monolithic underground space retaining wall as in claim 1 wherein: the inner wall surface of the groove type soil-retaining wall plate is wider than the water facing surface, the vertical section adopts a 30-degree slope, reinforcing bolts are pre-embedded on the slope, and the length of each bolt is equal to the inner side plane of the wall body.
5. An assembled monolithic underground space retaining wall as in claim 1 wherein: the beam top plate is a beam plate which is prefabricated by a processing plant and is provided with a rabbet at the joint of the beam top plate and the soil-retaining wall plate, bolt holes are reserved in the rabbet, and water-swelling water stop bars are arranged in the rabbet.
6. The construction method of the assembled integral type underground space utilization retaining wall comprises the following steps:
first, prefabricating a component: prefabricating tongue-and-groove type retaining wall plates, foundation raft plates, retaining wall columns and beam top plates;
secondly, earth excavation: carrying out earth excavation according to the design drawing;
thirdly, installing a basic raft: after the foundation treatment, paving a foundation cushion layer, paying off and hanging a foundation raft to a designed elevation, firstly hanging a first foundation raft, then hanging a second foundation raft, assembling a first bottom plate and a second bottom plate at intervals by adopting a tongue-and-groove, assembling and connecting the first foundation raft and the second foundation raft through side embedded bars of the first foundation raft and the second foundation raft, and pouring anti-seepage expansion concrete;
fourth step, installing retaining wall column: after binding the on-site column steel bars, hoisting a concrete membrane shell prefabricated from a factory and provided with retaining wall grooved and tongued columns, and pouring column core concrete after adopting a pull rod and a fixed support;
fifthly, installing a tongue-and-groove type retaining wall plate; firstly, arranging waterproof water stop strips in the tongue-and-groove grooves, brushing mixed waterproof cement paste on the tongue-and-groove grooves of the retaining wall column and the tongue-and-groove grooves of the retaining wall board, and hoisting and installing the tongue-and-groove retaining wall board;
sixthly, installing a groove type soil retaining wallboard; lifting grooved retaining wall plates from retaining wall columns at two sides, and lifting groove retaining wall plates with slopes between the two grooved retaining wall plates, wherein the grooves are large at the outer side and small at the inner side;
seventh, installing a beam top plate; hoisting a beam top plate prefabricated in advance, installing a waterproof water stop bar in a tongue-and-groove on a wall body, brushing waterproof cement paste, adjusting an adjustable supporting rod to a certain position, placing the upper beam top plate, and arranging the wall body tongue-and-groove in a beam top plate tongue-and-groove.
7. The construction method for assembling an integrated underground space utilization retaining wall according to claim 6, wherein: the foundation raft is cast-in-situ by field practice or prefabricated in a factory.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910600607.6A CN110185061B (en) | 2019-07-04 | 2019-07-04 | Assembled integral type underground space retaining wall and construction method |
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| CN201910600607.6A CN110185061B (en) | 2019-07-04 | 2019-07-04 | Assembled integral type underground space retaining wall and construction method |
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| CN110185061A CN110185061A (en) | 2019-08-30 |
| CN110185061B true CN110185061B (en) | 2024-03-29 |
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| CN114941342A (en) * | 2022-05-26 | 2022-08-26 | 安徽民升井架制造有限公司 | Be convenient for install elevator assembled basis additional |
| CN115162671A (en) * | 2022-08-03 | 2022-10-11 | 中建八局南方建设有限公司 | Vertical shaft wall pipe integrated structure and construction method thereof |
| CN115821974A (en) * | 2022-10-08 | 2023-03-21 | 中国铁路设计集团有限公司 | Prefabricated assembled reinforced concrete retaining wall and construction method thereof |
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