CN111173028A - Basement structure and construction method thereof - Google Patents

Basement structure and construction method thereof Download PDF

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Publication number
CN111173028A
CN111173028A CN202010019213.4A CN202010019213A CN111173028A CN 111173028 A CN111173028 A CN 111173028A CN 202010019213 A CN202010019213 A CN 202010019213A CN 111173028 A CN111173028 A CN 111173028A
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CN
China
Prior art keywords
wall body
groove
side wall
reinforcing
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010019213.4A
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Chinese (zh)
Inventor
计志超
马国强
计培春
陈岗
钱涛
殷智远
周彬
陈洪燕
郑纯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Hongchao Construction Group Co ltd
Original Assignee
Zhejiang Hongchao Construction Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Hongchao Construction Group Co ltd filed Critical Zhejiang Hongchao Construction Group Co ltd
Priority to CN202010019213.4A priority Critical patent/CN111173028A/en
Publication of CN111173028A publication Critical patent/CN111173028A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/045Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them

Abstract

The invention relates to a basement structure and a construction method thereof, wherein the basement structure comprises a bottom plate and a side wall body formed by assembling along the edge of the bottom plate, and the side wall body comprises wall body units which are sequentially connected along the through direction of the side wall body; the bottom plate edge is provided with the assembly groove of round, the lower extreme of side wall body is arranged in the assembly groove, what run through from top to bottom in the side wall body is provided with the connecting hole, the assembly groove bottom is provided with the mating holes that runs through the bottom plate from top to bottom, be provided with the connecting rod that passes the mating holes and insert to bottom plate below soil layer in the connecting hole. The invention has the effect of forming the basement more quickly by construction.

Description

Basement structure and construction method thereof
Technical Field
The invention relates to the technical field of basement construction, in particular to a basement structure and a construction method thereof.
Background
At present, the bottom plate and the side plate of the basement are integrally poured, and the bottom plate and the side plate are manufactured in the following steps:
the method comprises the following steps: binding to form a reinforcement cage;
step two: erecting a template;
step three: pouring concrete in the template;
step four: and (5) maintaining.
Each step consumes more time, thus resulting in slower construction of the basement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a basement structure and a construction method thereof, and has the advantage that the basement can be constructed more quickly.
The first technical purpose of the invention is realized by the following technical scheme: a basement structure comprises a bottom plate and a side wall body formed by assembling along the edge of the bottom plate, wherein the side wall body comprises wall body units which are sequentially connected along the through direction of the side wall body;
the bottom plate edge is provided with the assembly groove of round, the lower extreme of side wall body is arranged in the assembly groove, what run through from top to bottom in the side wall body is provided with the connecting hole, the assembly groove bottom is provided with the mating holes that runs through the bottom plate from top to bottom, be provided with the connecting rod that passes the mating holes and insert to bottom plate below soil layer in the connecting hole.
By adopting the technical scheme, the bottom plate of the basement is still formed by pouring by a traditional cast-in-place method, the assembly grooves are reserved at the edges of the bottom plate, after the bottom plate reaches the first strength, the wall units are hoisted into the assembly grooves, and then the wall units are sequentially connected to form the side wall body, because the wall units are prefabricated, the wall units are hoisted into the assembly grooves to be connected to form the finished side wall body, the steps of reinforcement binding of the side wall body, formwork supporting and maintaining are avoided, and the construction of the basement is accelerated.
Because the side wall body can receive great side soil pressure, through setting up connecting rod connection side wall body and bottom plate to let the connecting rod insert in the soil layer of bottom plate below, and then strengthened the ability that the side wall body resisted side soil pressure.
The present invention in a preferred example may be further configured to: the bottom plate includes well core plate and is located the assembly portion of core plate edge, assembly portion includes the web and is located first curb plate and the second curb plate of web upper surface both sides, first curb plate is perpendicular and with web body coupling with the second curb plate, the upper end and the bottom plate of first curb plate are connected, and the up end and the well core plate of first curb plate keep the parallel and level, form the assembly groove in first curb plate, second curb plate and the web, first curb plate, second curb plate and web are the same with the core plate thickness.
Through adopting above-mentioned technical scheme, because first curb plate, second curb plate and web are the same with the thickness of center plate, so even set up the assembly and also can not make the thickness of bottom plate reduce, and then lead to the intensity decline of bottom plate.
The present invention in a preferred example may be further configured to: certain gaps are formed among the side wall body, the first side plate and the second side plate, and waterproof mortar layers are filled in the gaps.
Through adopting above-mentioned technical scheme, strengthen the waterproof performance of side wall body and bottom plate junction.
The present invention in a preferred example may be further configured to: the upper surface of web is provided with the locating piece, be provided with the constant head tank on the lower terminal surface of lateral wall body, the locating piece is located the constant head tank.
Through adopting above-mentioned technical scheme, the upper end of locating piece sets to sharp-pointed form, and the size of its bottom is then unanimous with the opening size of constant head tank, consequently makes the locating piece enter into to the constant head tank easily. The cooperation of locating piece and constant head tank can make connecting hole and mating holes aim at more easily, and then makes things convenient for the connecting rod to connect the construction.
The present invention in a preferred example may be further configured to: the side wall body is provided with a first reinforcing groove towards the lower end of one side of the central plate, the upper surface of the central plate is provided with a second reinforcing groove, reinforcing blocks are arranged in the first reinforcing groove and the second reinforcing groove, the reinforcing blocks are right-angled triangular blocks, a right-angled surface of each reinforcing block is located in the first reinforcing groove, and the other right-angled surface of each reinforcing block is located in the second reinforcing groove.
By adopting the technical scheme, when the side wall body is subjected to lateral soil pressure, the side wall body has the tendency of overturning towards the middle part of the central plate, and the arrangement of the reinforcing blocks can further enhance the capability of the side wall body for resisting the lateral soil pressure. Because the side wall body is provided with the first reinforcing groove, and the central plate is provided with the second reinforcing groove, the reinforcing blocks can enter the first reinforcing groove and the second reinforcing groove in a hoisting construction mode, and therefore the setting construction of the reinforcing blocks is accelerated.
The present invention in a preferred example may be further configured to: the side wall body is provided with a first reinforcing groove, the reinforcing block is provided with a first corresponding hole, a first reinforcing rod extending into the first reinforcing groove is arranged in the first corresponding hole, the reinforcing block is further provided with a second corresponding hole, the central plate is provided with a second reinforcing groove, and a second reinforcing rod extending into the second reinforcing groove is arranged in the second corresponding hole.
Through adopting above-mentioned technical scheme, scribble glue with the surface of first stiffener and insert to first corresponding hole and first reinforcing groove after, scribble glue with the second stiffener surface and insert to second corresponding hole and second reinforcing groove after, and then let the anchor block can be connected with lateral wall and bottom plate more firm.
The present invention in a preferred example may be further configured to: and the two end faces of the wall units along the full-length direction are provided with connecting steel plates, and the connecting steel plates between the adjacent wall units are abutted and welded.
Through adopting above-mentioned technical scheme, the connection steel sheet butt and welded connection between the adjacent wall body unit for adjacent wall body unit can be connected more firm, and the structural integrity and the structural strength of side wall body are better.
The second technical purpose of the invention is realized by the following technical scheme: a construction method of a basement structure is characterized by comprising the following steps: the method comprises the following construction steps:
the method comprises the following steps: integrally pouring the bottom of the foundation pit to form a bottom plate;
step two: hoisting the wall units into the assembly grooves, enabling the positioning blocks to enter the positioning grooves, and enabling the connecting steel plates on the adjacent wall units to be mutually abutted to form side walls;
step three: 1) welding and connecting the mutually attached connecting steel plates;
2) the connecting rod penetrates into the connecting hole, then penetrates through the matching hole and is inserted into the soil layer below the bottom plate;
3) injecting mortar between the side wall body and the assembling groove to form a mortar layer;
step four: hoisting the reinforcing blocks, and assembling the reinforcing blocks into the first reinforcing groove and the second reinforcing groove;
step five: connecting the reinforcing blocks with the side wall bodies by using first reinforcing rods, and connecting the reinforcing blocks with the bottom plate by using second reinforcing rods;
step six: and backfilling foundation pit soil.
Through adopting above-mentioned technical scheme, the construction of side wall body and the connection construction of reinforcing block all are the assembled, consequently can be under construction fast and form the basement to structural strength is stable.
In conclusion, the invention has the following beneficial effects:
1. the wall units are hoisted into the assembly grooves and then connected in sequence to form the side walls, and because the wall units are prefabricated, the wall units are hoisted into the assembly grooves and connected to form the finished side walls, the steps of side wall steel bar binding, template supporting and curing are eliminated, and the construction of the basement is accelerated;
2. because the first side plate, the second side plate and the web are the same in thickness as the central plate, the thickness of the bottom plate is not reduced even if the assembly is arranged, and the strength of the bottom plate is reduced;
3. the connection steel sheet butt and welded connection between the adjacent wall body unit for what adjacent wall body unit can connect is more firm, and the structural integrity and the structural strength of side wall body are better.
Drawings
FIG. 1 is a schematic top view of the structure of the first embodiment;
3 fig. 3 2 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 in 3 fig. 3 1 3. 3
Reference numerals: 1. a base plate; 2. a side wall body; 3. a wall unit; 4. a center plate; 5. an assembling portion; 6. a web; 7. a first side plate; 8. a second side plate; 9. assembling a groove; 10. connecting holes; 11. a mating hole; 12. a connecting rod; 13. positioning blocks; 14. positioning a groove; 15. a first reinforcing groove; 16. a second reinforcing groove; 17. a reinforcing block; 18. a first reinforcement groove; 19. a first corresponding aperture; 20. a first reinforcement bar; 21. a second corresponding aperture; 22. a second reinforcement groove; 23. a second reinforcement bar; 24. a mortar layer; 25. and connecting the steel plates.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the basement structure disclosed by the invention comprises a bottom plate 1 and a side wall 2 assembled along the edge of the bottom plate 1, wherein the side wall 2 comprises wall units 3 connected in sequence along the through direction.
The bottom plate 1 is integrally cast and comprises a rectangular central plate 4 and a fitting part 5 positioned at the edge of the central plate 4. The assembling portion 5 comprises a web 6, a first side plate 7 and a second side plate 8, wherein the first side plate 7 and the second side plate 8 are located on two sides of the upper surface of the web 6 and are vertically and integrally connected with the web 6, the upper end of the first side plate 7 is connected with the bottom plate 1, the upper end face of the first side plate 7 is flush with the upper surface of the central plate 4, assembling grooves 9 are formed in the first side plate 7, the second side plate 8 and the web 6, and the first side plate 7, the second side plate 8 and the web 6 are the same as the central plate 4 in.
The lower extreme of side wall body 2 is arranged in assembly groove 9, and what run through about in the side wall body 2 is provided with connecting hole 10, and every wall body unit 3 goes up the interval and is provided with two connecting holes 10, and assembly groove 9 bottom is provided with the mating holes 11 that run through web 6 from top to bottom, is provided with the connecting rod 12 that passes mating holes 11 and insert to the bottom plate 1 below in the soil layer in connecting hole 10.
The wall unit 3 is hoisted into the assembly groove 9, and it is necessary to align the coupling hole 10 with the fitting hole 11 when the coupling rod 12 is provided, in order that the coupling hole 10 and the fitting hole 11 can be more easily aligned. A positioning block 13 is fixed on the upper surface of the web 6, a positioning groove 14 is arranged on the lower end surface of the side wall body 2, and the positioning block 13 is positioned in the positioning groove 14. When the positioning block 13 is positioned in the positioning groove 14, the connecting hole 10 is in an aligned state with the fitting hole 11. The upper end of the positioning block 13 is sharp, and the bottom of the positioning block 13 has a size consistent with the opening of the positioning slot 14, so that the positioning block 13 can easily enter the positioning slot 14.
The lower end of the side wall body 2 facing the central plate 4 is provided with a first reinforcing groove 15, the first reinforcing groove 15 is arranged along the height direction of the side wall body 2, the upper surface of the central plate 4 is provided with a second reinforcing groove 16, and the second reinforcing groove 16 is arranged along the direction perpendicular to the side wall body 2. Reinforcing blocks 17 are arranged in the first reinforcing groove 15 and the second reinforcing groove 16, each reinforcing block 17 is a right-angled triangular block, a right-angled surface of each reinforcing block 17 is positioned in the first reinforcing groove 15, and the other right-angled surface of each reinforcing block 17 is positioned in the second reinforcing groove 16.
In addition, a first stiffening groove 18 is formed in the side wall body 2 and a first corresponding hole 19 is formed in the reinforcing block 17. The first reinforcement groove 18 and the first corresponding hole 19 are both provided along the thickness direction of the side wall 2. The first corresponding hole 19 is provided with a first reinforcing rod 20 extending into the first reinforcing groove 18, and the first reinforcing rod 20 is inserted into the first corresponding hole 19 and the first reinforcing groove 18 after the surface of the first reinforcing rod is coated with glue. The reinforcing block 17 is also provided with a second corresponding hole 21 and the central plate 4 is provided with a second stiffening groove 22. The second corresponding hole 21 and the second reinforcing groove 22 are both arranged along the thickness direction of the bottom plate 1, a second reinforcing rod 23 extending into the second reinforcing groove 22 is arranged in the second corresponding hole 21, and the second reinforcing rod 23 is inserted into the second corresponding hole 21 and the second reinforcing groove 22 after the surface is coated with glue. The arrangement of the first reinforcing rods 20 and the second reinforcing rods 23 enables the reinforcing block 17 to be connected with the side wall bodies 2 and the bottom plate 1 more stably.
When the side wall body 2 is subjected to lateral earth pressure, the side wall body 2 tends to overturn towards the middle of the central plate 4, and the arrangement of the reinforcing blocks 17 can further enhance the capability of the side wall body 2 to resist the lateral earth pressure. Because the side wall body 2 is provided with the first reinforcing groove 15, and the central plate 4 is provided with the second reinforcing groove 16, the reinforcing blocks 17 can enter the first reinforcing groove 15 and the second reinforcing groove 16 in a hoisting construction mode, and the arrangement construction of the reinforcing blocks 17 is accelerated.
The wall units 3 on the side wall bodies 2 are all straight walls except for the corners, the wall units 3 at the corners are L-shaped, and reinforcing blocks 17 are connected to each wall unit 3 except for the wall units 3 at the corners.
Certain gaps are formed between the side wall body 2 and the first side plate 7 and between the side wall body and the second side plate 8, and waterproof mortar layers 24 are filled in the gaps. The mortar layer 24 enhances the waterproof performance of the joint of the side wall body 2 and the bottom plate 1.
All be fixed with the connecting steel plate 25 in advance on the both ends face of wall body unit 3 along its logical length direction, connecting steel plate 25 butt and welded connection between the adjacent wall body unit 3 to what make adjacent wall body unit 3 can connect is more firm, and the structural integrity and the structural strength of side wall body 2 are better.
Example two: a construction method of a basement structure comprises the following construction steps:
the method comprises the following steps: integrally pouring the bottom of the foundation pit to form a bottom plate 1;
step two: hoisting the wall units 3 into the assembly grooves 9, enabling the positioning blocks 13 to enter the positioning grooves 14, and enabling the connecting steel plates 25 on the adjacent wall units 3 to be mutually abutted to form the side walls 2;
step three: 1) welding and connecting the mutually attached connecting steel plates 25;
2) the connecting rod 12 penetrates into the connecting hole 10, then penetrates through the matching hole 11 and is inserted into the soil layer below the bottom plate 1;
3) injecting mortar between the side wall body 2 and the assembling groove 9 to form a mortar layer 24;
step four: hoisting the reinforcing block 17, and assembling the reinforcing block 17 into the first reinforcing groove 15 and the second reinforcing groove 16;
step five: connecting the reinforcing blocks 17 with the side wall body 2 by using first reinforcing rods 20 with the surfaces glued, and connecting the reinforcing blocks 17 with the bottom plate 1 by using second reinforcing rods 23 with the surfaces glued;
step six: and backfilling foundation pit soil.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (8)

1. The utility model provides a basement structure which characterized by: the wall body comprises a bottom plate (1) and a side wall body (2) formed by assembling along the edge of the bottom plate (1), wherein the side wall body (2) comprises wall body units (3) which are sequentially connected along the through direction of the side wall body;
the bottom plate (1) edge is provided with assembly groove (9) of round, the lower extreme of side wall body (2) is arranged in assembly groove (9), what run through about in side wall body (2) is provided with connecting hole (10), assembly groove (9) bottom is provided with mating holes (11) that run through bottom plate (1) from top to bottom, be provided with in connecting hole (10) and pass mating holes (11) and insert connecting rod (12) in bottom plate (1) below soil layer.
2. The basement structure according to claim 1, wherein: bottom plate (1) is including well board (4) and be located assembly portion (5) of well board (4) edge, assembly portion (5) are including web (6) and be located first curb plate (7) and second curb plate (8) of web (6) upper surface both sides, first curb plate (7) are perpendicular and with web (6) body coupling with second curb plate (8), the upper end and the bottom plate (1) of first curb plate (7) are connected, and the up end and well board (4) of first curb plate (7) keep the parallel and level, form assembly groove (9) in first curb plate (7), second curb plate (8) and web (6) are gone up, first curb plate (7), second curb plate (8) and web (6) are the same with the thickness of well board (4).
3. The basement structure according to claim 2, wherein: and a certain gap is formed between the side wall body (2) and the first side plate (7) and between the side wall body and the second side plate (8), and a waterproof mortar layer (24) is filled in the gap.
4. The basement structure according to claim 2, wherein: the upper surface of web (6) is provided with locating piece (13), be provided with constant head tank (14) on the lower terminal surface of lateral wall body (2), locating piece (13) are located constant head tank (14).
5. The basement structure according to claim 2, wherein: the side wall body (2) are provided with first reinforcement groove (15) towards the lower extreme of well core plate (4) one side, the upper surface of well core plate (4) is provided with second reinforcement groove (16), be provided with in first reinforcement groove (15) and second reinforcement groove (16) reinforcing block (17), reinforcing block (17) are the triangle of right angle piece, a right-angle face of reinforcing block (17) is arranged in first reinforcement groove (15), and another right-angle face of reinforcing block (17) is arranged in second reinforcement groove (16).
6. The basement structure according to claim 5, wherein: be provided with first stiffening groove (18) on lateral wall body (2), be provided with first corresponding hole (19) on reinforced block (17), be provided with first stiffener (20) that stretch into in first stiffening groove (18) in first corresponding hole (19), still be provided with second corresponding hole (21) on reinforced block (17), be provided with second stiffening groove (22) on well core plate (4), be provided with second stiffener (23) that stretch into in second stiffening groove (22) in the second corresponding hole (21).
7. The basement structure according to claim 1, wherein: and connecting steel plates (25) are arranged on two end faces of the wall units (3) along the length direction, and the connecting steel plates (25) between the adjacent wall units (3) are abutted and welded.
8. A construction method of a basement structure according to any of claims 1-7, characterized in that: the method comprises the following construction steps:
the method comprises the following steps: integrally pouring the bottom of the foundation pit to form a bottom plate (1);
step two: hoisting the wall units (3) into the assembly grooves (9), enabling the positioning blocks (13) to enter the positioning grooves (14), and enabling the connecting steel plates (25) on the adjacent wall units (3) to be mutually abutted to form side walls (2);
step three: 1) welding and connecting the mutually attached connecting steel plates (25);
2) the connecting rod (12) penetrates into the connecting hole (10), then penetrates through the matching hole (11) and is inserted into a soil layer below the bottom plate (1);
3) mortar is injected between the side wall body (2) and the assembling groove (9) to form a mortar layer (24);
step four: hoisting a reinforcing block (17), and assembling the reinforcing block (17) into a first reinforcing groove (15) and a second reinforcing groove (16);
step five: connecting the reinforcing blocks (17) with the side wall bodies (2) by using first reinforcing rods (20), and connecting the reinforcing blocks (17) with the bottom plate (1) by using second reinforcing rods (23);
step six: and backfilling foundation pit soil.
CN202010019213.4A 2020-01-08 2020-01-08 Basement structure and construction method thereof Pending CN111173028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010019213.4A CN111173028A (en) 2020-01-08 2020-01-08 Basement structure and construction method thereof

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Application Number Priority Date Filing Date Title
CN202010019213.4A CN111173028A (en) 2020-01-08 2020-01-08 Basement structure and construction method thereof

Publications (1)

Publication Number Publication Date
CN111173028A true CN111173028A (en) 2020-05-19

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113374071A (en) * 2021-07-28 2021-09-10 朱彦达 Construction method of basement in soft soil area
CN113494146A (en) * 2021-07-29 2021-10-12 上海隧道工程有限公司 Construction method of underground structure side wall
CN114045874A (en) * 2021-11-30 2022-02-15 中冶南方工程技术有限公司 Construction method of underground structure side wall

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000240077A (en) * 1999-02-23 2000-09-05 Ohbayashi Corp Demolishing method for underground structure
CN205604474U (en) * 2016-05-10 2016-09-28 丁献忠 Pure plate structure equipment house based on general splint connecting piece of interior angle
CN207063189U (en) * 2017-08-09 2018-03-02 三能集成房屋股份有限公司 A kind of prefabricated panel, prefabricated panel and its bottom waterproof construction
CN108729542A (en) * 2018-07-18 2018-11-02 北京玖新创世科技有限公司 A kind of prefabrication main body and construction method
CN208889184U (en) * 2018-01-21 2019-05-21 黄昆 A kind of assembled architecture comprehensive practical traning model

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000240077A (en) * 1999-02-23 2000-09-05 Ohbayashi Corp Demolishing method for underground structure
CN205604474U (en) * 2016-05-10 2016-09-28 丁献忠 Pure plate structure equipment house based on general splint connecting piece of interior angle
CN207063189U (en) * 2017-08-09 2018-03-02 三能集成房屋股份有限公司 A kind of prefabricated panel, prefabricated panel and its bottom waterproof construction
CN208889184U (en) * 2018-01-21 2019-05-21 黄昆 A kind of assembled architecture comprehensive practical traning model
CN108729542A (en) * 2018-07-18 2018-11-02 北京玖新创世科技有限公司 A kind of prefabrication main body and construction method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113374071A (en) * 2021-07-28 2021-09-10 朱彦达 Construction method of basement in soft soil area
CN113494146A (en) * 2021-07-29 2021-10-12 上海隧道工程有限公司 Construction method of underground structure side wall
CN114045874A (en) * 2021-11-30 2022-02-15 中冶南方工程技术有限公司 Construction method of underground structure side wall

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Application publication date: 20200519

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