CN110258583A - A kind of underwater excavation foundation pit self-balancing support system and method - Google Patents
A kind of underwater excavation foundation pit self-balancing support system and method Download PDFInfo
- Publication number
- CN110258583A CN110258583A CN201910534748.2A CN201910534748A CN110258583A CN 110258583 A CN110258583 A CN 110258583A CN 201910534748 A CN201910534748 A CN 201910534748A CN 110258583 A CN110258583 A CN 110258583A
- Authority
- CN
- China
- Prior art keywords
- foundation pit
- enclosure wall
- soil body
- support system
- self
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- 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
- E02D31/10—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 soil pressure or hydraulic pressure
- E02D31/12—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 soil pressure or hydraulic pressure against upward hydraulic pressure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The invention belongs to foundation pit underwater excavation technical fields, specifically provide a kind of underwater excavation foundation pit self-balancing support system and method, including the soil body and enclosure wall, underthrust enclosure wall and pre-buried sealing structure in the soil body, longitudinal force transferring structure column and horizontal shore are set up in enclosure wall, and take out the soil body in enclosure wall to form foundation pit；Bottom concrete is poured on the bottom end soil body in foundation pit, and longitudinal force transferring structure column and enclosure wall are connect to form entirety with the bottom concrete；The water in foundation pit is extracted to obtain self-balancing support system.After system completion, horizontal support structure of dismantling while carrying out the construction of next step and vertical supporting structure.By participating in water buoyancy effect in digging process under equilibrium water using integrally formed self weight and the frictional force between the entirety and the soil body, excavation of foundation pit depth can be reduced in this way, the amount of bottom concrete is reduced, economizes on resources, reduces engineering construction difficulty.
Description
Technical field
The invention belongs to foundation pit underwater excavation technical fields, and in particular to a kind of underwater excavation foundation pit self-balancing support system
And method.
Background technique
Foundation pit underwater excavation is generally used for water conservation or is limited by surrounding enviroment condition, cannot or should not carry out
The case where base pit dewatering.
Foundation pit underwater excavation is that a kind of mode of excavation of foundation pit prevents artesian water without base pit dewatering
Prominent to pour into foundation pit, after carrying out back cover using concrete placed under water, then the water drained in foundation pit carries out internal structure construction.This work
Method is equilibrium water buoyancy, needs concrete placed under water, utilizes thick and heavy weight concrete equilibrium water buoyancy, it is ensured that
Deep pit monitor.
It is this in the way of bottom concrete weight balancing water buoyancy, existing major defect be with excavation of foundation pit depth
Degree increases, and needs casting concrete often very thick, has increased excavation of foundation pit depth deep, uneconomical in engineering, while deep pit monitor
Risk also increases accordingly.
Summary of the invention
The purpose of the present invention is overcome the problems, such as that foundation pit underwater excavation engineering construction difficulty is high and at high cost in the prior art.
For this purpose, the present invention provides a kind of underwater excavation foundation pit self-balancing support system, including the soil body, it further include enclosure wall,
The bottom end of the enclosure wall is goed deep into the soil body, and bottom concrete, the enclosure wall and the envelope have been poured on the soil body in the enclosure wall
Base concrete is enclosed foundation pit, and the horizontal support structure and vertical supporting structure of the connection that intersects are equipped in the foundation pit,
The end of the horizontal support structure is uniformly resisted against in the enclosure wall respectively, the bottom end of the vertical supporting structure and the envelope
Base concrete abuts.
Preferably, the enclosure wall is rectangular.
Preferably, the horizontal support structure includes multiple horizontally disposed in the horizontal shore in the foundation pit, described
The both ends of horizontal shore are born against in the enclosure wall inner wall.
Preferably, the horizontal support structure includes intermediate transverse girder and corner end carriage, the both ends difference of the intermediate transverse girder
It is connected in two opposite side of the enclosure wall, the both ends of the corner end carriage are connected respectively at the two adjacent sides of the enclosure wall.
Preferably, the vertical supporting structure includes multiple longitudinal force transferring structure columns being vertically disposed in the foundation pit,
The longitudinal direction force transferring structure column bottom end is abutted with the bottom concrete, the longitudinal direction force transferring structure column upper end and the horizontal branch
Support beam is fixedly connected.
Preferably, longitudinally through there is load foundation columns in the bottom concrete, the bottom end of the load foundation columns is goed deep into
In the soil body, the bottom end anchor connection on the top of the load foundation columns and longitudinal force transferring structure column.
Preferably, multiple horizontal shores are located in the different height plane of the foundation pit.
Preferably, the enclosure wall is masonry walls or reinforced concrete structure.
Preferably, the horizontal support structure and vertical supporting structure are armored concrete.
The present invention also provides a kind of underwater excavation foundation pit self-balancing method for supporting, comprising:
Underthrust enclosure wall and pre-buried sealing structure in the soil body set up longitudinal force transferring structure column and horizontally-supported in enclosure wall
Beam, and the soil body in enclosure wall is taken out to form foundation pit；
Pour bottom concrete on the bottom end soil body in foundation pit, and by longitudinal force transferring structure column and enclosure wall and the back cover
Concrete connects to form entirety；
The water in foundation pit is extracted to obtain self-balancing support system.
Beneficial effects of the present invention: this underwater excavation foundation pit self-balancing support system and method provided by the invention, packet
The soil body and enclosure wall are included, underthrust enclosure wall and pre-buried sealing structure in the soil body set up longitudinal force transferring structure column and level in enclosure wall
Supporting beam, and the soil body in enclosure wall is taken out to form foundation pit；Bottom concrete is poured on the bottom end soil body in foundation pit, and will be indulged
It connect to form entirety with the bottom concrete to force transferring structure column and enclosure wall；The water in foundation pit is extracted to obtain self-balancing support
System.After system completion, horizontal support structure of dismantling while carrying out the construction of next step and vertical supporting structure.By enclosing
The integrally formed self weight and be somebody's turn to do that wall, bottom concrete, longitudinal force transferring structure column and horizontal shore are interconnected to form
Water buoyancy acts in digging process participating under equilibrium water for frictional force between entirety and the soil body, can reduce excavation of foundation pit in this way
Depth reduces the amount of bottom concrete, economizes on resources, and reduces engineering construction difficulty.
The present invention is described in further details below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is the top view of underwater excavation foundation pit self-balancing support system of the present invention；
Fig. 2 is the A-A cross-sectional view of underwater excavation foundation pit self-balancing support system of the present invention.
Description of symbols: enclosure wall 1, horizontal shore 2, longitudinal force transferring structure column 3, bottom concrete 4, load foundation columns
5, connecting column 6, the soil body 7.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features；In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
The embodiment of the invention provides a kind of underwater excavation foundation pit self-balancing support systems, including the soil body, further include enclosure wall,
The bottom end of the enclosure wall is goed deep into the soil body, and bottom concrete, the enclosure wall and the envelope have been poured on the soil body in the enclosure wall
Base concrete is enclosed foundation pit, and the horizontal support structure and vertical supporting structure of the connection that intersects are equipped in the foundation pit,
The end of the horizontal support structure is uniformly resisted against in the enclosure wall respectively, the bottom end of the vertical supporting structure and the envelope
Base concrete abuts.
As depicted in figs. 1 and 2, the enclosure wall of well in advance 1, i.e., be inserted into the soil body 7 by first ground-connecting-wall of constructing in the soil body, will
The decentralization of enclosure wall 1 forms stable ground-connecting-wall to scheduled depth location, then pre-buried close in the contact with the soil body 7 of enclosure wall 1 place
Sealed knot is configured to seal, and prevents the soil body 7 and underground water outside enclosure wall 1 from entering in enclosure wall 1, wherein sealing means are filled out by mud jacking
The form of filling is sealed.Then the water and soil frame side that side is extracted in enclosure wall 1 sets support construction, specifically, after extracting a part of water and soil
Segment space is vacateed, horizontal shore 2 is then set up in enclosure wall 1,2 both ends of horizontal shore are carried out with the inner wall of enclosure wall 1
Connection, the structure of horizontal shore 2 can be armored concrete or welding steel, carried out by way of field cast-in-place or welding
Installation, when installation, horizontal shore 2 and enclosure wall 1 overlap connection to form support, simultaneously, will be located in the same horizontal plane
Horizontal shore 2 fixation is attached by vertical supporting structure, the power in horizontal and vertical direction is attached dispersion.Such as
This, which continues to excavate downwards, extracts water and soil and sets up horizontal shore 2, the soil body 7 after digging to designated depth, in foundation pit bottom end
On pour bottom concrete 4, bottom concrete 4 is abutted and is sealed with enclosure wall 1, can also by mud jacking filling forms carry out it is close
Envelope.And connect vertical supporting structure and bottom concrete 4, it in this way can be by enclosure wall 1, horizontal support structure, vertical
Support construction and bottom concrete 4 are connected to form a whole, and so entire self-balancing support system is completed.
The foundation pit self-balancing support system force analysis is as follows: 1 dead load G of enclosure wall1, horizontally-supported self weight G2, vertical branch
Support structure G3, bottom concrete be self-possessed G4And other self weights G in foundation pit5It is involved in neutral buoyancy in water-bed digging process
System in.In the construction process, stress balance system meets following formula:
FIt is floating≤γ*(β1*G1+β2*G2+β3*G3+β4*G4+β5*G5)
Wherein, FIt is floatingFor bottom plate buoyancy design value, γ is safety coefficient, β1~5For partial safety factor, G1~5In in support system
Participate in the typical value of anti-floating gravity.
Preferred scheme, the enclosure wall are rectangular.As illustrated in fig. 1 and 2, rectangular enclosure wall 1 is also convenient for enclosing convenient for construction
Horizontal support structure is set up in wall 1.
Preferred scheme, the horizontal support structure include it is multiple horizontally disposed in the horizontal shore in the foundation pit,
The both ends of the horizontal shore are born against in the enclosure wall inner wall.It follows that as depicted in figs. 1 and 2, it is different in foundation pit
Depth plane in the multiple horizontal shores of interlaced arrangement, the inner wall of 2 both ends of horizontal shore and enclosure wall 1, which overlaps, to be connected, horizontal
Supporting beam 2 plays lateral horizontal force action, comes together to resist the water pressure outside enclosure wall 1,1 pair of enclosure wall horizontal branch with enclosure wall 1
Support beam 2 is played a supporting role, and the two is common to be self-possessed to resist the water pressure of the lower section from the soil body 7.
Preferred scheme, the horizontal support structure include intermediate transverse girder and corner end carriage, the both ends of the intermediate transverse girder
It is connected respectively at two opposite side of the enclosure wall, the both ends of the corner end carriage connect respectively at the two adjacent sides of the enclosure wall
It connects.It follows that being symmetrically installed corner in four corners of enclosure wall 1 as shown in Figure 1, intermediate transverse girder is erected at the centre of enclosure wall 1
End carriage, and stronger structure is formed by 6 horizontal connection of connecting column between the end carriage of corner.Connecting column 6 is also possible to cast-in-place
Concrete structure.
Preferred scheme, the vertical supporting structure include multiple longitudinal force transferring structures being vertically disposed in the foundation pit
Column, the longitudinal direction force transferring structure column bottom end are abutted with the bottom concrete, the longitudinal direction force transferring structure column upper end and the water
Flat supporting beam is fixedly connected.It follows that as depicted in figs. 1 and 2, longitudinal force transferring structure column 3, which pours, is connected to horizontal shore 2
Between, and the bottom end of longitudinal force transferring structure column 3 is abutted with the upper end of bottom concrete 4.
Preferred scheme, longitudinally through having load foundation columns, the bottom end of the load foundation columns in the bottom concrete
Go deep into the soil body, the bottom end anchor connection on the top of the load foundation columns and longitudinal force transferring structure column.Such as Fig. 2 institute
Show, before pouring bottom concrete 4, first pours load foundation columns 5 in bottom of foundation ditch, it is vertical in load foundation columns 5 and foundation pit
It is corresponding to force transferring structure column 3, bottom concrete 4 is then poured, it finally will be between longitudinal force transferring structure column 3 and load foundation columns 5
Anchor connection.
Preferred scheme, multiple horizontal shores are located in the different height plane of the foundation pit.Thus may be used
Know, as shown in Fig. 2, different depth sets up horizontal shore 2 respectively in foundation pit, so that enclosure wall 1 is more uniformly stressed dispersion, to support
The water pressure in the soil body 7 outside anti-enclosure wall 1.
Preferred scheme, the enclosure wall are masonry walls or reinforced concrete structure.It follows that enclosure wall 1 can be it is cast-in-place
It is also possible to prefabricated component.
Preferred scheme, the horizontal support structure and vertical supporting structure are armored concrete.Horizontal support structure
Pass through cast in situs form with vertical supporting structure and carries out erection installation.
The present embodiment additionally provides a kind of underwater excavation foundation pit self-balancing method for supporting, comprising:
Underthrust enclosure wall and pre-buried sealing structure in the soil body set up longitudinal force transferring structure column and horizontally-supported in enclosure wall
Beam, and the soil body in enclosure wall is taken out to form foundation pit；
Pour bottom concrete on the bottom end soil body in foundation pit, and by longitudinal force transferring structure column and enclosure wall and the back cover
Concrete connects to form entirety；
The water in foundation pit is extracted to obtain self-balancing support system.
It follows that as depicted in figs. 1 and 2, underthrust enclosure wall 1 and pre-buried sealing structure in the soil body 7, in 1 internal frame of enclosure wall
If longitudinal force transferring structure column 3 and horizontal shore 2, and the soil body 7 in enclosure wall 1 is taken out to form foundation pit；Bottom end in foundation pit
Bottom concrete 4 is poured on the soil body, and longitudinal force transferring structure column 3 and enclosure wall 1 connect with the bottom concrete 4 to be formed it is whole
Body；The water in foundation pit is extracted to obtain self-balancing support system.After system completion, the construction internal structure of next step is carried out on one side
Horizontal support structure of dismantling on one side and vertical supporting structure.
The self weight of foundation pit self-balancing support system participates in stress balance in excavation of foundation pit and construction internal structure, support system
Between the soil body 7 when being acted on by power straight up, generates downward frictional force and participate in excavation of foundation pit and construction inside
Stress balance in configuration process.The water buoyancy of bottom of foundation ditch acts on bottom concrete 4, will by longitudinal force transferring structure column 3
Part buoyancy is transferred in support system, then is transferred on the enclosure wall 1 on foundation pit periphery by support system, and enclosure wall 1 is then passed through
Power in support system is transferred on the soil body of periphery.
Beneficial effects of the present invention: this underwater excavation foundation pit self-balancing support system and method provided by the invention, packet
The soil body and enclosure wall are included, underthrust enclosure wall and pre-buried sealing structure in the soil body set up longitudinal force transferring structure column and level in enclosure wall
Supporting beam, and the soil body in enclosure wall is taken out to form foundation pit；Bottom concrete is poured on the bottom end soil body in foundation pit, and will be indulged
It connect to form entirety with the bottom concrete to force transferring structure column and enclosure wall；The water in foundation pit is extracted to obtain self-balancing support
System.After system completion, horizontal support structure of dismantling while carrying out the construction of next step and vertical supporting structure.By enclosing
The integrally formed self weight and be somebody's turn to do that wall, bottom concrete, longitudinal force transferring structure column and horizontal shore are interconnected to form
Water buoyancy acts in digging process participating under equilibrium water for frictional force between entirety and the soil body, can reduce excavation of foundation pit in this way
Depth reduces the amount of bottom concrete, economizes on resources, and reduces engineering construction difficulty.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
It is within being all belonged to the scope of protection of the present invention with the same or similar design of the present invention.
Claims (10)
1. a kind of underwater excavation foundation pit self-balancing support system, including the soil body, it is characterised in that: it further include enclosure wall, the enclosure wall
Bottom end go deep into the soil body, poured bottom concrete on the soil body in the enclosure wall, the enclosure wall and the bottom concrete
It is enclosed foundation pit, the horizontal support structure and vertical supporting structure of the connection that intersects, the level are equipped in the foundation pit
The end of support construction is uniformly resisted against in the enclosure wall respectively, the bottom end of the vertical supporting structure and the bottom concrete
It abuts.
2. underwater excavation foundation pit self-balancing support system according to claim 1, it is characterised in that: the enclosure wall is side
Shape.
3. underwater excavation foundation pit self-balancing support system according to claim 2, it is characterised in that: the horizontally-supported knot
Structure include it is multiple horizontally disposed in the horizontal shore in the foundation pit, the both ends of the horizontal shore are born against described
Enclosure wall inner wall.
4. underwater excavation foundation pit self-balancing support system according to claim 3, it is characterised in that: the horizontally-supported knot
Structure includes intermediate transverse girder and corner end carriage, and the both ends of the intermediate transverse girder are connected respectively at two opposite side of the enclosure wall, described
The both ends of corner end carriage are connected respectively at the two adjacent sides of the enclosure wall.
5. underwater excavation foundation pit self-balancing support system according to claim 3 or 4, it is characterised in that: the vertical branch
Support structure includes multiple longitudinal force transferring structure columns being vertically disposed in the foundation pit, the longitudinal direction force transferring structure column bottom end and institute
Bottom concrete abutting is stated, the longitudinal direction force transferring structure column upper end is fixedly connected with the horizontal shore.
6. underwater excavation foundation pit self-balancing support system according to claim 5, it is characterised in that: the bottom concrete
Interior longitudinal direction is through there is load foundation columns, and the bottom end of the load foundation columns is goed deep into the soil body, the top of the load foundation columns
The bottom end anchor connection at end and longitudinal force transferring structure column.
7. underwater excavation foundation pit self-balancing support system according to claim 3, it is characterised in that: multiple horizontal branch
Support beam is located in the different height plane of the foundation pit.
8. underwater excavation foundation pit self-balancing support system according to claim 1, it is characterised in that: the enclosure wall is brick
Wall or reinforced concrete structure.
9. underwater excavation foundation pit self-balancing support system according to claim 1, it is characterised in that: the horizontally-supported knot
Structure and vertical supporting structure are armored concrete.
10. a kind of underwater excavation foundation pit self-balancing method for supporting characterized by comprising
Underthrust enclosure wall and pre-buried sealing structure in the soil body set up longitudinal force transferring structure column and horizontal shore in enclosure wall, and
The soil body in enclosure wall is taken out to form foundation pit；
Pour bottom concrete on the bottom end soil body in foundation pit, and by longitudinal force transferring structure column and enclosure wall and the back cover coagulation
Soil connection forms whole；
The water in foundation pit is extracted to obtain self-balancing support system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534748.2A CN110258583A (en) | 2019-06-20 | 2019-06-20 | A kind of underwater excavation foundation pit self-balancing support system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534748.2A CN110258583A (en) | 2019-06-20 | 2019-06-20 | A kind of underwater excavation foundation pit self-balancing support system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110258583A true CN110258583A (en) | 2019-09-20 |
Family
ID=67919637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910534748.2A Pending CN110258583A (en) | 2019-06-20 | 2019-06-20 | A kind of underwater excavation foundation pit self-balancing support system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110258583A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700005A (en) * | 2021-09-27 | 2021-11-26 | 通号建设集团有限公司 | Prestressed foundation pit-free inner support system and construction method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050010616A (en) * | 2003-07-21 | 2005-01-28 | 김정균 | transverse truss strutting method for construction and structure thereof |
| CN101117805A (en) * | 2007-08-22 | 2008-02-06 | 浙江大学 | Underground engineering one-pile multi-use semi reverse construction method |
| CN101139838A (en) * | 2007-10-15 | 2008-03-12 | 上海市隧道工程轨道交通设计研究院 | Construction method for high artesian area ultra-deep foundation pit |
| CN105239581A (en) * | 2015-08-28 | 2016-01-13 | 上海市政工程设计研究总院（集团）有限公司 | Lattice-shaped strengthening method for bottom of foundation pit in soft soil area |
| CN105544575A (en) * | 2015-12-17 | 2016-05-04 | 中交二航局第四工程有限公司 | Underwater bottom sealing concrete construction method using steel truss for reinforcement |
| CN108060683A (en) * | 2017-12-18 | 2018-05-22 | 烟建集团有限公司 | A kind of middle weathering geology top-down construction method |
| CN207714348U (en) * | 2017-12-12 | 2018-08-10 | 济南昊兴市政工程有限公司 | A kind of deep basal pit fast rainfall device |
| CN211368726U (en) * | 2019-06-20 | 2020-08-28 | 中铁第四勘察设计院集团有限公司 | Self-balancing support system for underwater excavation foundation pit |
-
2019
- 2019-06-20 CN CN201910534748.2A patent/CN110258583A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050010616A (en) * | 2003-07-21 | 2005-01-28 | 김정균 | transverse truss strutting method for construction and structure thereof |
| CN101117805A (en) * | 2007-08-22 | 2008-02-06 | 浙江大学 | Underground engineering one-pile multi-use semi reverse construction method |
| CN101139838A (en) * | 2007-10-15 | 2008-03-12 | 上海市隧道工程轨道交通设计研究院 | Construction method for high artesian area ultra-deep foundation pit |
| CN105239581A (en) * | 2015-08-28 | 2016-01-13 | 上海市政工程设计研究总院（集团）有限公司 | Lattice-shaped strengthening method for bottom of foundation pit in soft soil area |
| CN105544575A (en) * | 2015-12-17 | 2016-05-04 | 中交二航局第四工程有限公司 | Underwater bottom sealing concrete construction method using steel truss for reinforcement |
| CN207714348U (en) * | 2017-12-12 | 2018-08-10 | 济南昊兴市政工程有限公司 | A kind of deep basal pit fast rainfall device |
| CN108060683A (en) * | 2017-12-18 | 2018-05-22 | 烟建集团有限公司 | A kind of middle weathering geology top-down construction method |
| CN211368726U (en) * | 2019-06-20 | 2020-08-28 | 中铁第四勘察设计院集团有限公司 | Self-balancing support system for underwater excavation foundation pit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700005A (en) * | 2021-09-27 | 2021-11-26 | 通号建设集团有限公司 | Prestressed foundation pit-free inner support system and construction method |
| CN113700005B (en) * | 2021-09-27 | 2022-07-29 | 通号建设集团有限公司 | Prestressed foundation pit-free inner support system and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105239578B (en) | Water-rich sand layer deep foundation pit underwater construction method | |
| KR101600845B1 (en) | The horizontal structural frame and the underground construction methods using it | |
| CN207092107U (en) | A kind of anti-subsidence structure using diaphram wall | |
| CN105649094B (en) | A kind of deep water foundation bearing platform construction three wall steel cofferdams and its construction method | |
| CN111608173B (en) | Construction method and device for bare rock drilled pile on deep water steep slope | |
| KR100937740B1 (en) | A method of constructing precast concrete house under water using caisson | |
| CN211172000U (en) | Foundation pit enclosure system with combination of support piles and concrete main structure | |
| CN104711931B (en) | Temporary underwater pier manufacturing, assembling and disassembling method suitable for bridge erection | |
| CN103122642B (en) | Construction method of vertical post support change | |
| CN113027463B (en) | Suspension type reverse wall working well supporting structure and construction method | |
| CN110258583A (en) | A kind of underwater excavation foundation pit self-balancing support system and method | |
| CN110439025A (en) | Portal type building pile foundation underpinning structure in narrow space and construction method | |
| CN206233272U (en) | A kind of anti-floating of underground building structure | |
| CN211368726U (en) | Self-balancing support system for underwater excavation foundation pit | |
| CN105804090A (en) | Indoor piling wall support structure and construction method therefor | |
| JPH06146305A (en) | Underwater foundation and installation method thereof | |
| CN109736295A (en) | A kind of building structure vertical supporting system and its construction method | |
| JP4576067B2 (en) | Joint structure of pile head and steel underground beam | |
| CN213477808U (en) | Structure is found fast to steel construction underground garage | |
| CN108193695A (en) | A kind of enclosure structure of foundation pit of subway station support and construction method | |
| JPS5829922A (en) | Constructing method for underground outer wall | |
| CN209260748U (en) | A kind of stepped tower crane | |
| KR101485563B1 (en) | The horizontal structural frame | |
| JP6337798B2 (en) | Water structure and construction method of water structure | |
| CN214738305U (en) | Anti-floating system of permanent-temporary combined structure of underground engineering in soft soil area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |