CN110578339A - construction method of shaft type underground stereo garage - Google Patents
construction method of shaft type underground stereo garage Download PDFInfo
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- CN110578339A CN110578339A CN201910857214.3A CN201910857214A CN110578339A CN 110578339 A CN110578339 A CN 110578339A CN 201910857214 A CN201910857214 A CN 201910857214A CN 110578339 A CN110578339 A CN 110578339A
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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
- E02D29/045—Underground 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
- E02D29/05—Underground 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 at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0007—Base structures; Cellars
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/08—Garages for many vehicles
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- 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)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a construction method of a shaft type underground stereo garage, which is applied to the field of underground structures and foundation engineering in civil engineering and is invented for facilitating the construction of the underground shaft structures, and the construction method comprises the following steps: building a structural frame and installing a construction transportation system on a vertical supporting structure of a foundation pit, building a construction platform by taking the vertical supporting structure of the foundation pit as a support and reserving a vertical transportation channel, transporting a prefabricated structure floor slab to a carrying trolley by utilizing the construction transportation system and the vertical transportation channel, transporting the prefabricated structure floor slab to a designed position by a rail and connecting the prefabricated structure floor slab with the vertical supporting structure of the foundation pit to form a floor structure, and then constructing a corresponding underground structure outer wall; circularly constructing the floor slab with the prefabricated structure, the outer wall with the underground structure and the earth excavation until the underground structure is completed; the construction transportation system is utilized to assist the installation and debugging of the garage mechanical equipment and the system thereof, and the invention is suitable for projects with narrow construction sites, no large-scale mechanical equipment and strict construction period requirements.
Description
Technical Field
The invention relates to a construction method of a shaft type underground stereo garage, which is applied to the field of underground structures and foundation engineering in civil engineering.
background
With the rapid development of social economy and the continuous promotion of urbanization process, the living standard of people is continuously improved, the automobile keeping quantity is rapidly increased, according to statistics, the automobile keeping quantity in China is increased at a speed of more than 20% every year, and in big cities such as Beijing, Shanghai and the like, the automobile keeping quantity is increased at a speed of more than 20 thousands every year, so that the problem of difficult parking in big and medium cities in China is generally caused. Meanwhile, the resident population of the city is more and more, so that the land resources are more and more tense, the overground space has the situation of short supply and short demand and high price, some areas have no land available, and for some well-preserved ancient building groups and street lanes and other sections, such as Beijing quadrangle, newly-built high-rise garage buildings are bound to conflict with the original appearance.
The problem of parking difficulty in areas with insufficient space on the ground or inconvenient use has become an important factor for restricting the development of cities. The underground space development and the construction of an intelligent mechanical garage are combined into a whole, and the construction of the underground shaft type garage is one of effective ways for relieving the urban parking problems of dense buildings and narrow fields.
at present, when an underground building is built, the prior art generally comprises a foundation pit supporting structure, a sequential underground structure and a foundation pit supporting structure, and a reverse underground structure, wherein the foundation pit supporting structure and the sequential underground structure are firstly used for constructing the foundation pit supporting structure, and then the underground building is built in a dug foundation pit. The foundation pit supporting structure and the inversely-made underground structure are firstly constructed, the foundation pit supporting structure is used as a support, and the inversely-made underground structure is used. Meanwhile, the cast-in-place concrete floor is used as a lateral support of the foundation pit supporting structure, the structural strength of concrete needs to be waited, and the construction period is long.
In view of the above-mentioned drawbacks of the conventional construction method, there is a need to further improve the construction method of underground buildings, and to provide a construction method of reverse construction plus prefabricated assembly to solve the above-mentioned problems.
disclosure of Invention
The invention aims to provide a construction method of a shaft type underground stereo garage, which aims to solve the problems of narrow construction site, limited foundation pit supporting space, high underground water level and long construction period of an underground structure.
in order to achieve the purpose, the invention adopts the following technical scheme:
A construction method of a shaft type underground stereo garage comprises a shaft type basement structure with a concrete prefabricated layer plate and a mechanical parking system inside the shaft type basement structure, and is characterized by comprising the following construction steps:
The method comprises the following steps: constructing a vertical supporting structure of the foundation pit along the outer edge of the outer wall of the underground structure, and taking underground water treatment measures according to the underground water level condition;
Step two: building a steel structure frame for supporting a construction transportation system on the foundation pit vertical supporting structure serving as a foundation, and building an enclosure structure by taking the frame as a support to form a closed construction space;
Step three: taking the vertical supporting structure of the foundation pit as a support, erecting a construction platform at the ground elevation and inside the vertical supporting structure of the foundation pit, reserving a hole in the middle of the construction platform, and taking a vertical space corresponding to the hole as a vertical transportation channel;
Step four: excavating earthwork inside the vertical supporting structure of the foundation pit, excavating to a next preset elevation and leveling the field;
Step five: placing a carrying trolley for installing a floor slab with a prefabricated structure and a track thereof on a flat field;
Step six: the prefabricated structure floor slab is conveyed to the carrying trolley through the vertical conveying channel by using the construction conveying system, and then is conveyed to a designed position through a track;
Step seven: connecting and fixing the prefabricated structure floor slab and the vertical supporting structure to form a floor structure of the floor, and simultaneously providing lateral support for the vertical supporting structure of the foundation pit;
step eight: binding steel bars of the outer wall of the underground structure, erecting a template and pouring concrete to form the outer wall of the underground structure in the next step;
step nine: repeating the fourth step to the eighth step, and sequentially carrying out installation of each layer of prefabricated structural floor slabs and construction of the underground structural outer wall by adopting a reverse construction method until the construction reaches the design elevation of the bottom of the foundation pit;
Step ten: constructing a structural bottom plate concrete cushion layer, binding reinforcing steel bars and supporting templates of the structural bottom plate and the lowest structure outer wall, and pouring concrete to form a structural bottom plate and a lowest structure outer wall;
Step eleven: installing and debugging a parking system in the built underground shaft structure, wherein the parking system comprises a main elevator, an auxiliary elevator, a rotary disc and a carrier;
Step twelve: the method comprises the following steps of (1) installing and debugging a garage matching system, wherein the matching system comprises part or all of a ventilation system, a lighting system, a drainage system, a monitoring system and a fire-fighting and alarming system;
step thirteen: the method comprises the following steps of (1) installing and debugging the accessory facilities of the garage, wherein the accessory systems comprise part or all of a safety detection system, a license plate recognition system, a payment system and an equipment electric control system;
Fourteen steps: dismantling the construction platform, and carrying out garage entrance and exit construction;
Step fifteen: and (5) dismantling and installing the construction transportation system, and paving the ground and recovering the landscape.
Further, the vertical supporting structure concrete pile of the foundation pit, the steel pipe pile, the steel sheet pile, the underground continuous wall or the combination thereof; the groundwater treatment measures are precipitation of precipitation wells, water stopping of high-pressure jet grouting piles, water stopping of stirring piles or combination thereof.
Furthermore, the enclosure structure is arranged on the outer side of the temporary ground structure frame, so that a construction site is isolated from surrounding buildings, the enclosure structure is a closed structure, and only a construction inlet and a construction outlet are reserved; the construction transportation system has the functions of vertical transportation and horizontal transportation, and the transportation capacity and the transportation speed of the construction transportation system can be adjusted according to different requirements.
further, the construction platform is of a steel structure, a concrete structure or a combination thereof; meanwhile, according to the arrangement form of the top plate of the underground structure, the construction platform and the top plate of the underground structure can be combined into a whole; the vertical transport passage of construction combines the perpendicular transport passage position of machinery vehicle storehouse to reserve and establishes.
furthermore, the prefabricated structural floor slab is a reinforced concrete slab, a profile steel composite slab, a steel truss or a combination thereof; the prefabricated structure floor slab is divided into a single prefabricated structure floor slab or a plurality of prefabricated structure floor slabs according to the size, the size and the weight.
furthermore, the prefabricated structure floor is connected with the vertical supporting structure of the foundation pit to form a permanent floor structure for parking of vehicles, and meanwhile, lateral support is provided for the vertical supporting structure of the foundation pit.
further, when the vertical supporting structure of the foundation pit is a steel pipe pile or a steel sheet pile, the vertical supporting structure of the foundation pit is directly welded with a steel member at the end part of the floor slab with the prefabricated structure; when the vertical supporting structure of the foundation pit is a concrete pile or an underground continuous wall, the vertical supporting structure is welded with a steel member at the end part of the floor slab of the prefabricated structure through embedded bars or postposition embedded pieces.
furthermore, the carrying trolley for installing the floor slab with the prefabricated structure comprises a steel frame bearing system, a lifting system, a braking system and a driving system, has horizontal transportation and elevation adjustment functions, and can accurately place the floor slab at a designed position through the carrying trolley.
Furthermore, when the underground structure needs to consider anti-floating, the vertical supporting structure of the foundation pit is connected with the underground structure, and the anti-floating capacity of the underground structure is enhanced.
Furthermore, the underground structure is waterproof by adopting self-waterproof concrete, grouting or waterproof coiled materials, and the construction joint is waterproof by adopting an embedded water stop steel plate, an embedded water stop belt or an embedded grouting pipe.
The construction method of the shaft type underground stereo garage can solve the problems of narrow construction site and no construction working surface, simultaneously adopts a vertical transportation system in the construction process, does not need large machinery, adopts the prefabricated structure floor as the support of the vertical supporting structure of the foundation pit, and greatly shortens the construction period.
the invention has the following advantages:
1. through setting up construction platform, create the construction space, can solve the place narrow and small, the material does not have the department and stacks, the unable problem of location construction of machinery.
2. Through vertical transportation passageway and conveying system, can accomplish the transportation of material, machinery and earthwork, need not large-scale machinery, easy operation.
3. The construction site is separated from surrounding buildings through the overground enclosing structure to form a fully-closed construction site, so that noise pollution, light pollution and dust pollution caused by construction are reduced, and the influence on surrounding residents is reduced.
4. The prefabricated structure floor slab of the underground structure is composed of concrete prefabricated components, and the components can be produced in batches in factories, so that the yield is high, the quality is good, the manufacturing cost is low, and the energy is saved and the efficiency is high.
5. the floor carrying trolley has the functions of horizontal transportation and elevation adjustment, and is simple in construction, high in speed and high in precision, and the floor carrying trolley is used for carrying out transportation and positioning on the floor slab with the prefabricated structure.
6. The prefabricated structure floor slab replaces temporary support, and the two are combined into one, have reduced work load, save the cost, and the prefabricated structure floor slab is prefabricated component, need not maintenance time after the on-the-spot installation finishes and can carry out work on next step, saves the time limit for a project.
Drawings
FIG. 1 is a schematic sectional view of the construction of an underground structure according to the present invention
FIG. 2 is a schematic plan view of the underground construction of the present invention
FIG. 3 and FIG. 4 are schematic views of the connection between the floor slab with prefabricated structure and the vertical supporting structure
FIG. 5 is a schematic view of the structure of the carrier
Reference numerals: 1-a foundation pit vertical supporting structure, 2-underground water treatment measures, 3-a temporary overground structure frame, 4-a construction transportation system, 5-a construction platform, 6-a vertical transportation channel, 7-a prefabricated structure floor slab, 8-a carrying trolley, 9-an underground structure outer wall, 10-a bottom plate, 11-a steel frame bearing system, 12-a lifting system, 13-a brake system and 14-a driving system.
Detailed Description
the present invention is further illustrated by the following examples, which are not intended to limit the invention to these embodiments. It will be appreciated by those skilled in the art that the present invention encompasses all alternatives, modifications and equivalents as may be included within the scope of the claims.
as shown in fig. 1, the shaft type underground stereo garage comprises a shaft type basement structure with a concrete precast slab and a mechanical parking system inside the shaft type basement structure, and the construction method is characterized by comprising the following construction steps:
The method comprises the following steps: constructing a vertical supporting structure (1) of a foundation pit along the outer edge of the outer wall of the underground structure, and taking underground water treatment measures (2) according to the underground water level condition;
Step two: on the basis of the vertical supporting structure of the foundation pit, a steel structure frame (3) for supporting a construction transportation system (4) is erected on the vertical supporting structure of the foundation pit, and an enclosure structure is erected by taking the frame as a support to form a closed construction space;
Step three: taking the vertical supporting structure of the foundation pit as a support, erecting a construction platform (5) at the ground elevation and inside the vertical supporting structure of the foundation pit, reserving a hole in the middle of the construction platform, and taking a vertical space corresponding to the hole as a vertical transportation channel (6);
Step four: excavating earthwork inside the vertical supporting structure of the foundation pit, excavating to a next preset elevation and leveling the field;
Step five: a carrying trolley (8) and a track thereof for installing the floor slab with the prefabricated structure are arranged on the flat field;
step six: the prefabricated structure floor (7) is conveyed to the upper part of the carrying trolley (8) through the vertical conveying channel (6) by using the construction conveying system (4), and then the prefabricated structure floor (7) is conveyed to a designed position through a rail;
step seven: connecting and fixing the prefabricated structure floor slab (7) and the vertical supporting structure (1) to form a floor structure of a story, and simultaneously providing lateral support for the vertical supporting structure of the foundation pit;
step eight: binding the steel bars of the outer wall of the underground structure, erecting a template and pouring concrete to form the outer wall (9) of the underground structure in the next step;
step nine: repeating the fourth step to the eighth step, and sequentially carrying out installation of each layer of prefabricated structural floor slabs (7) and construction of the underground structural outer wall (9) by adopting a reverse construction method until the construction reaches the designed elevation of the bottom of the foundation pit;
Step ten: constructing a structural bottom plate concrete cushion layer, binding reinforcing steel bars and supporting templates of the structural bottom plate and the lowest structure outer wall, and pouring concrete to form a structural bottom plate (10) and a lowest structure outer wall (9);
Step eleven: installing and debugging a parking system in the built underground shaft structure, wherein the parking system comprises a main elevator, an auxiliary elevator, a rotary disc and a carrier;
step twelve: the method comprises the following steps of (1) installing and debugging a garage matching system, wherein the matching system comprises part or all of a ventilation system, a lighting system, a drainage system, a monitoring system and a fire-fighting and alarming system;
step thirteen: the method comprises the following steps of (1) installing and debugging the accessory facilities of the garage, wherein the accessory systems comprise part or all of a safety detection system, a license plate recognition system, a payment system and an equipment electric control system;
Fourteen steps: dismantling the construction platform, and carrying out garage entrance and exit construction;
step fifteen: and (5) dismantling and installing the construction transportation system, and paving the ground and recovering the landscape.
As shown in fig. 2, the precast structural floor slab (7) is a reinforced concrete slab, a section steel composite slab, a steel truss or a combination thereof; the prefabricated structure floor slab is divided into a single prefabricated structure floor slab or a plurality of prefabricated structure floor slabs according to the size, the size and the weight.
as shown in fig. 3-4, the prefabricated structure floor (8) is connected with the vertical supporting structure (1) of the foundation pit to form a permanent floor structure for parking vehicles and providing lateral support for the vertical supporting structure of the foundation pit. Prefabricated construction floor tip steel member links to each other with the vertical supporting construction of foundation ditch in fig. 3, reserves the position of structural wall body, and this position reinforcing bar intercommunication does not pour the concrete, treats the later stage and pours together with underground structure outer wall. The end portion of the prefabricated structure floor slab in the figure 4 is provided with a part of underground structure wall, the part of underground structure wall is connected with a vertical supporting structure of a foundation pit, and construction joint treatment is carried out when an underground structure outer wall is poured in the later stage.
as shown in FIG. 5, the carrying trolley for installing the floor slab with the prefabricated structure comprises a steel frame bearing system (11), a lifting system (12), a braking system (13) and a driving system (14), has horizontal transportation and elevation adjustment functions, and can accurately place the floor slab at a designed position through the carrying trolley.
Claims (10)
1. A construction method of a shaft type underground stereo garage comprises a shaft type basement structure with a concrete prefabricated plate and a mechanical parking system inside the shaft type basement structure, and is characterized by comprising the following steps:
the method comprises the following steps: constructing a vertical supporting structure of the foundation pit along the outer edge of the outer wall of the underground structure, and taking underground water treatment measures according to the underground water level condition;
step two: building a steel structure frame for supporting a construction transportation system on the foundation pit vertical supporting structure serving as a foundation, and building an enclosure structure by taking the frame as a support to form a closed construction space;
step three: taking the vertical supporting structure of the foundation pit as a support, erecting a construction platform at the ground elevation and inside the vertical supporting structure of the foundation pit, reserving a hole in the middle of the construction platform, and taking a vertical space corresponding to the hole as a vertical transportation channel;
Step four: excavating earthwork inside the vertical supporting structure of the foundation pit, excavating to a next preset elevation and leveling the field;
step five: placing a carrying trolley for installing a floor slab with a prefabricated structure and a track thereof on a flat field;
step six: the prefabricated structure floor slab is conveyed to the carrying trolley through the vertical conveying channel by using the construction conveying system, and then is conveyed to a designed position through a track;
Step seven: connecting and fixing the prefabricated structure floor slab and the vertical supporting structure to form a floor structure of the floor, and simultaneously providing lateral support for the vertical supporting structure of the foundation pit;
step eight: binding steel bars of the outer wall of the underground structure, erecting a template and pouring concrete to form the outer wall of the underground structure in the next step;
Step nine: repeating the fourth step to the eighth step, and sequentially carrying out installation of each layer of prefabricated structural floor slabs and construction of the underground structural outer wall by adopting a reverse construction method until the construction reaches the design elevation of the bottom of the foundation pit;
Step ten: constructing a structural bottom plate concrete cushion layer, binding reinforcing steel bars and supporting templates of the structural bottom plate and the lowest structure outer wall, and pouring concrete to form a structural bottom plate and a lowest structure outer wall;
step eleven: installing and debugging a parking system in the built underground shaft structure, wherein the parking system comprises a main elevator, an auxiliary elevator, a rotary disc and a carrier;
step twelve: the method comprises the following steps of (1) installing and debugging a garage matching system, wherein the matching system comprises part or all of a ventilation system, a lighting system, a drainage system, a monitoring system and a fire-fighting and alarming system;
step thirteen: the method comprises the following steps of (1) installing and debugging the accessory facilities of the garage, wherein the accessory systems comprise part or all of a safety detection system, a license plate recognition system, a payment system and an equipment electric control system;
fourteen steps: dismantling the construction platform, and carrying out garage entrance and exit construction;
Step fifteen: and (5) dismantling and installing the construction transportation system, and paving the ground and recovering the landscape.
2. the construction method of the shaft type underground stereo garage according to claim 1, wherein the vertical supporting structure of the foundation pit is a concrete pile, a steel pipe pile, a steel plate pile, an underground continuous wall, or a combination thereof; the groundwater treatment measures are precipitation of precipitation wells, water stopping of high-pressure jet grouting piles, water stopping of stirring piles or combination thereof.
3. the construction method of the shaft type underground stereo garage according to claim 1, wherein the enclosure structure is arranged outside the temporary above-ground structure frame, isolates a construction site from surrounding buildings, and is a closed structure, and only construction inlets and construction outlets are reserved; the construction transportation system has the functions of vertical transportation and horizontal transportation, and the transportation capacity and the transportation speed of the construction transportation system can be adjusted according to different requirements.
4. the construction method of the shaft type underground stereo garage of claim 1, wherein the construction platform is a steel structure, a concrete structure, or a combination thereof; meanwhile, according to the arrangement form of the top plate of the underground structure, the construction platform and the top plate of the underground structure can be combined into a whole; the vertical transport passage of construction combines the perpendicular transport passage position of machinery vehicle storehouse to reserve and establishes.
5. the method of claim 1, wherein the precast structural floor slab is a reinforced concrete slab, a steel composite slab, a steel truss or a combination thereof; the prefabricated structure floor slab is divided into a single prefabricated structure floor slab or a plurality of prefabricated structure floor slabs according to the size, the size and the weight.
6. the method of claim 1, wherein the precast structural floor slab is connected to a vertical support structure of a foundation pit to form a permanent floor structure for parking vehicles and providing lateral support for the vertical support structure of the foundation pit.
7. the prefabricated structure floor slab and the foundation pit vertical supporting structure are connected in a welding mode, and the prefabricated structure floor slab and the foundation pit vertical supporting structure are directly welded with steel members at the end parts of the prefabricated structure floor slab when the foundation pit vertical supporting structure is a steel pipe pile or a steel plate pile; when the vertical supporting structure of the foundation pit is a concrete pile or an underground continuous wall, the vertical supporting structure is welded with a steel member at the end part of the floor slab of the prefabricated structure through embedded bars or postposition embedded pieces.
8. The construction method of the shaft type underground stereo garage according to claim 1, wherein the carrying trolley for installing the floor slab with the prefabricated structure comprises a steel frame bearing system, a lifting system, a braking system and a driving system, has horizontal transportation and elevation adjustment functions, and can accurately place the floor slab at a designed position through the carrying trolley.
9. the construction method of the shaft type underground stereo garage according to claim 1, wherein when the underground structure needs to consider anti-floating, the vertical supporting structure of the foundation pit is connected with the underground structure, so that the anti-floating capacity of the underground structure is enhanced.
10. the construction method of the shaft type underground stereo garage according to claim 1, wherein the underground structure is waterproof by self-waterproof concrete, grouting or waterproof coiled material, and the construction joint is waterproof by pre-buried water-stop steel plate, pre-buried water-stop belt or pre-buried grouting pipe.
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| CN111779027A (en) * | 2020-08-18 | 2020-10-16 | 北京中岩智泊科技有限公司 | Construction method for constructing underground garage through cover-excavation top-down construction |
| CN112160594A (en) * | 2020-09-23 | 2021-01-01 | 成都建工第四建筑工程有限公司 | Construction method beneficial to resisting horizontal force of multi-layer special-shaped steel structure building |
| CN112343060A (en) * | 2020-11-30 | 2021-02-09 | 江西基业科技集团有限公司 | Forward and reverse composite construction method for cylindrical foundation pit structure |
| CN113293773A (en) * | 2021-06-30 | 2021-08-24 | 中铁二十三局集团第二工程有限公司 | Foundation pit supporting system and construction method thereof |
| CN115075291A (en) * | 2021-03-15 | 2022-09-20 | 朴真甘 | Underground warehouse modular structure using prefabricated segment vertical hole and construction method |
| CN115110577A (en) * | 2022-08-01 | 2022-09-27 | 上海建工一建集团有限公司 | Construction method of large basement assembled from periphery to center |
| CN115288146A (en) * | 2022-01-11 | 2022-11-04 | 浙江理工大学 | Supporting structure and construction method of pit continuous waterproof wall |
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| 王栋: "《城市中心区超深埋地下车库(井筒式)深基坑施工技术》", 《建筑施工》 * |
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| CN112160594A (en) * | 2020-09-23 | 2021-01-01 | 成都建工第四建筑工程有限公司 | Construction method beneficial to resisting horizontal force of multi-layer special-shaped steel structure building |
| CN112343060A (en) * | 2020-11-30 | 2021-02-09 | 江西基业科技集团有限公司 | Forward and reverse composite construction method for cylindrical foundation pit structure |
| CN115075291A (en) * | 2021-03-15 | 2022-09-20 | 朴真甘 | Underground warehouse modular structure using prefabricated segment vertical hole and construction method |
| CN115075291B (en) * | 2021-03-15 | 2024-01-26 | 朴真甘 | Underground warehouse modularized structure utilizing prefabricated segment vertical holes and construction method |
| CN113293773A (en) * | 2021-06-30 | 2021-08-24 | 中铁二十三局集团第二工程有限公司 | Foundation pit supporting system and construction method thereof |
| CN115288146A (en) * | 2022-01-11 | 2022-11-04 | 浙江理工大学 | Supporting structure and construction method of pit continuous waterproof wall |
| CN115110577A (en) * | 2022-08-01 | 2022-09-27 | 上海建工一建集团有限公司 | Construction method of large basement assembled from periphery to center |
| CN115110577B (en) * | 2022-08-01 | 2023-11-14 | 上海建工一建集团有限公司 | Construction method for large basement assembled from four sides to center |
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