CN108166506A - A kind of foundation pit supporting construction - Google Patents
A kind of foundation pit supporting construction Download PDFInfo
- Publication number
- CN108166506A CN108166506A CN201810070241.1A CN201810070241A CN108166506A CN 108166506 A CN108166506 A CN 108166506A CN 201810070241 A CN201810070241 A CN 201810070241A CN 108166506 A CN108166506 A CN 108166506A
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- China
- Prior art keywords
- foundation pit
- bottom plate
- backplate
- supporting construction
- wall
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of foundation pit supporting constructions, solve the problems, such as that existing foundation pit supporting construction dismounting is relatively complicated.Its key points of the technical solution are that a kind of foundation pit supporting construction, including the multiple protecting assemblies arranged along foundation pit side-wall, the branch protecting assembly includes the bottom plate for being fixed on bottom of foundation ditch, it is used to support the backplate of foundation pit side-wall, the support component of connecting bottom board and backplate, the both sides of the backplate offer card slot along short transverse, two sides are additionally provided between adjacent plates along the connection baffle being respectively clamped into card slot, the connection baffle is further opened with fixed counterbore in the side far from foundation pit side-wall, it is equipped in the fixed counterbore and connection baffle is pressed on foundation pit side-wall and is inserted into the branch guard bar of foundation pit side-wall, installation and removal of the foundation pit supporting construction in foundation pit are relatively simple.
Description
Technical field
The invention belongs to building construction technical field, more particularly to a kind of foundation pit supporting construction.
Background technology
Foundation pit will necessarily cause the deformation of surrounding soil in digging process, and the underground utilities of Adjacent Buildings are generated
It influences, the serious normal use and safety that will jeopardize underground utilities.In order to avoid the generation of such case, in design of foundation pit and
Foundation pit supporting construction can be set in constructing by digging pit, for stablizing the safety of foundation pit.
Existing foundation pit supporting construction includes being fixed on the bottom plate of bottom of foundation ditch, is affixed with foundation pit side-wall and supports foundation pit side
Backplate is pressed on foundation pit side-wall by the backplate of wall and the supporting rod being installed between bottom plate and backplate by supporting rod, real
Now to the reinforcing of foundation pit side-wall.It after installation is complete in foundation pit supporting construction, needs to weld adjacent backplate, promotes backplate
Support effect and support integrality to foundation pit side-wall.But above-mentioned welding process is relatively complicated, and is carrying out pattern foundation pit supporting structure knot
During the dismounting of structure, it is also necessary to which adjacent backplate is carried out cutting could realize separation, and above-mentioned splitting step is also relatively complicated.
Invention content
The object of the present invention is to provide a kind of foundation pit supporting construction, peace installation and dismantling of the foundation pit supporting construction in foundation pit
It unloads relatively simple.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of foundation pit supporting construction, including the multiple protecting assemblies arranged along foundation pit side-wall, the branch protecting assembly includes being fixed on
The bottom plate of bottom of foundation ditch, the backplate for being used to support foundation pit side-wall, connecting bottom board and backplate support component, the both sides of the backplate
Card slot is offered along short transverse, two sides are additionally provided between adjacent plates along the connection baffle being respectively clamped into card slot, institute
It states connection baffle and fixed counterbore is further opened in the side far from foundation pit side-wall, be equipped in the fixed counterbore and will connect baffle
It is pressed on foundation pit side-wall and is inserted into the branch guard bar of foundation pit side-wall.
By using above-mentioned technical proposal, foundation pit supporting construction connects the connection baffle of fixed adjacent plates by setting,
Mode is welded and fixed instead of traditional, facilitates installation and removal of the foundation pit supporting construction in foundation pit, particularly adjacent shield
Installation and removal between plate.The installation steps of above-mentioned foundation pit supporting construction are as follows：First, base plate paving is existed using loop wheel machine
Bottom of foundation ditch is at foundation pit side-wall；Then backplate is lifted to the side of bottom plate using loop wheel machine and be fitted on foundation pit side-wall；
Connection baffle is mounted between adjacent plates, and the supporting in foundation pit side-wall is inserted into installation in the fixation counterbore of connection baffle
Bar；Finally, installation support component is supported backplate.When dismantling foundation pit supporting construction, it is only necessary to baffle slave phase will be connected
It is dismantled in the card slot of adjacent backplate, you can complete the separation of connection backplate.
Meanwhile above-mentioned foundation pit supporting construction is pressed abd fixed on baffle is connected on foundation pit side-wall by setting branch guard bar, by
It cooperates in the card slot of connection baffle and backplate, backplate is also pressed abd fixed on foundation pit side-wall, improves backplate and foundation pit
The laminating degree of side wall, while improve supporting effect of the backplate to foundation pit side-wall.
As a further improvement on the present invention, the support component includes several knightheads being mutually parallel and connection phase
The connecting rod of adjacent knighthead, one end of the knighthead be provided with the fixed backplate fixed plate of backplate, knighthead
The other end is provided with and the fixed bottom plate fixed plate of bottom plate.
By using above-mentioned technical proposal, the structure of support component is simple, easy for installation.Connecting rod connection adjacent supports are oblique
The setting of bar so that the pressure for the foundation pit side-wall that backplate is born can also be improved by connecting rod Transmit evenly to bottom plate
Support component is to the support effect of backplate.Meanwhile the setting of connecting rod improves the structural strength of support component so that support group
Part is hardly damaged during backplate is supported, and extends the service life of support component.
As a further improvement on the present invention, the knighthead is set straight down close to the side of backplate fixed plate
There is supported rod erecting, the bottom plate offers the upright bar limit hole of supported rod erecting insertion.
By using above-mentioned technical proposal, the setting of supported rod erecting can promote the cooperation between support component and bottom plate,
Backplate is enabled more uniformly to pass to bottom plate for the pressure of support component, so as to promote branch of the support component to backplate
Support effect.Meanwhile the setting of supported rod erecting, the installation of support component can be facilitated, use loop wheel machine by support component lift to
During bottom plate upper end, supported rod erecting is made to be inserted into the upright bar limit hole of bottom plate, the Primary Location of support component is realized, facilitates support
Subsequent installation of the component on bottom plate and backplate.
As a further improvement on the present invention, the lower end of the bottom plate is additionally provided with jacking of floor component, and the bottom plate adds
Gu component includes being embedded into the pre-poured stake of underground, is embedded in the positioning bolt in pre-poured stake top portion in advance and compresses bottom plate
Foundation pit bottom surface and with the location nut of positioning bolt thread fitting, the bottom plate offers the positioning passed through for positioning bolt and leads to
Hole.
By using above-mentioned technical proposal, the setting of jacking of floor component can strengthen the fixation of bottom plate and bottom of foundation ditch,
Prevent bottom plate from being slid in bottom of foundation ditch, so as to promote supporting intensity of the foundation pit supporting construction to foundation pit side-wall.In bottom of foundation ditch
The step of installing pre-poured stake is as follows：First, pre-poured stake is prepared before foundation pit construction；Secondly, at foundation pit bottom
Portion drills, and forms the hole being put into for pre-poured stake；Pre-poured stake is put into above-mentioned hole using loop wheel machine, and uses concrete
It pours into the gap of pre-poured stake and above-mentioned hole inner wall, pre-poured stake is fixed.It is more traditional using pre-poured stake
Bored concrete pile for, the short construction period of pre-poured stake, and install it is more convenient.
As a further improvement on the present invention, the jacking of floor component further includes several length directions along bottom plate and arranges
And bottom plate is pressed on to the pressure plate of foundation pit bottom surface, the pressure plate has the compression through-hole being pierced by for positioning bolt.
By using above-mentioned technical proposal, pressure plate is pressed on bottom plate by location nut by the cooperation with positioning bolt
The fixation to bottom plate is realized in upper surface.The setting of pressure plate can facilitate the installation of jacking of floor component, promote jacking of floor group
Part is to the consolidation effect of bottom plate.
As a further improvement on the present invention, the bottom of the pressure plate is provided with the positioning being inserted into positioning through hole
Ring.
By using above-mentioned technical proposal, the setting of locating ring can promote the cooperation intensity of pressure plate and bottom plate, so as to
Bottom plate is limited to slide in bottom of foundation ditch.
As a further improvement on the present invention, the both ends of the pressure plate all extend to plate outer side and open up several compressions
Jack, additional reinforcement part is additionally provided between the pressure plate of the adjacent jacking of floor component, and the additional reinforcement part includes connecting
Anchor pole of the bar with connecting rod both sides are set to and across jack insertion ground is compressed.
By using above-mentioned technical proposal, the pressure plate of adjacent bottom plates reinforcement assembly is connected with each other by additional reinforcement part,
Improve the cooperation intensity of bottom plate and bottom of foundation ditch so that connected each other between mutual bottom plate, promote entire foundation pit supporting construction
Supporting intensity.Meanwhile the mode that above-mentioned additional reinforcement part is installed to pressure plate is relatively simple.
As a further improvement on the present invention, fixing groove, the fixing groove are further opened between the adjacent branch protecting assembly
It is provided with and is inserted into fixed coagulation concrete block for anchor pole lower end.
By using above-mentioned technical proposal, it can be promoted by the setting of coagulation concrete block and fixing groove and promote additional reinforcement part
The fixing intensity of bottom of foundation ditch is inserted into, additional reinforcement part is reduced and is detached from from bottom of foundation ditch.
As a further improvement on the present invention, the bottom of the backplate has several inserted blocks, and the bottom plate is offered for inserting
The slot that block is inserted into.
By using above-mentioned technical proposal, after base plate of foundation pit installs bottom plate, backplate is lifted to bottom plate using loop wheel machine
Top makes the inserted block of backplate be inserted into the slot of bottom plate, and above structure is simple, can realize that backplate is preliminary solid on bottom plate
It is fixed, facilitate subsequent support component and connect the installation of baffle.Meanwhile above structure improves bottom plate and the connection of backplate is strong
Degree, bottom plate can be supplied to the support force of backplate bigger by the cooperation of inserted block and slot, improve entire foundation pit supporting construction
Supporting effect.
In conclusion the invention has the advantages that：
1st, the foundation pit supporting construction in the present invention includes multiple protecting assemblies, and clamping is provided between the backplate of adjacent branch protecting assembly
Connection baffle in backplate both sides, wherein, connection baffle is fixed on by branch guard bar on foundation pit side-wall, so as to improve backplate and base
Cheat the tightening degree of side wall, so as to improve supporting effect of the foundation pit supporting construction to foundation pit, and the dismounting of above structure compared with
For simplicity；
2nd, above-mentioned foundation pit supporting construction strengthens fixing intensity of the bottom plate in bottom of foundation ditch by jacking of floor component, it is therefore prevented that bottom
Plate slides in bottom of foundation ditch, so as to improve supporting effect of the entire foundation pit supporting construction to foundation pit.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the exploded perspective view of the branch protecting assembly；
Fig. 3 is the enlarged drawing at A in Fig. 1；
Fig. 4 is the exploded perspective view of the branch guard bar；
Fig. 5 is the enlarged drawing at B in Fig. 1；
Fig. 6 is the structure diagram of the pressure plate.
In figure：100th, branch protecting assembly；110th, bottom plate；111st, slot；112nd, upright bar limit hole；113rd, positioning through hole；120、
Backplate；121st, inserted block；122nd, card slot；130th, support component；131st, knighthead；131a, backplate fixed plate；131b, bottom plate are solid
Fixed board；132nd, connecting rod；133rd, supported rod erecting；200th, baffle is connected；210th, strip；220th, fixed counterbore；230th, branch guard bar；
231st, support anchor rod；232nd, gland；310th, pre-poured stake；320th, positioning bolt；330th, pressure plate；331st, through-hole is compressed；
332nd, locating ring；333rd, jack is compressed；340th, location nut；400th, fixing groove；410th, coagulation concrete block；420th, additional reinforcement part；
421st, connecting rod；422nd, anchor pole.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
Refering to attached drawing 1, a kind of foundation pit supporting construction, main multiple protecting assemblies 100 for including arranging along foundation pit side-wall, phase
There are gaps between adjacent branch protecting assembly 100.
Refering to attached drawing 2, branch protecting assembly 100 mainly includes being fixed on the bottom plate 110 of bottom of foundation ditch, is used to support foundation pit side-wall
And the backplate 120 and connecting bottom board 110 and the support component 130 of backplate 120 to offset with foundation pit side-wall.Wherein, backplate 120
Bottom is provided with several inserted blocks 121, and the edge of bottom plate 110 towards foundation pit side-wall offers the slot being inserted into for inserted block 121
111。
Support component 130 includes the connecting rod of several knightheads 131 being mutually parallel, connection adjacent supports brace 131
132 and knighthead 131 is set to close to 120 side of backplate and the supported rod erecting 133 that sets straight down.Wherein, bottom
Plate 110 offers the upright bar limit hole 112 being inserted into for supported rod erecting 133.In the present embodiment, in each branch protecting assembly 100
Support component 130 includes three knightheads 131 being mutually parallel, and being provided with two levels between adjacent supports brace 131 sets
The connecting rod 132 put.
One end of knighthead 131 towards backplate 120 is provided with backplate fixed plate 131a, backplate fixed plate 131a direction shields
The end face of plate 120 is affixed with backplate 120, and backplate fixed plate 131a is fixed by screws on backplate 120.Knighthead 131
Bottom plate fixed plate 131b, bottom plate fixed plate 131b are provided with towards the end face of bottom plate 110 and bottom plate towards the end face of bottom plate 110
110 are affixed, and bottom plate fixed plate 131b is fixed by screws on backplate 120.In the present embodiment, when support component 130 is pacified
When being filled on backplate 120 and bottom plate 110, the angle of knighthead 131 and foundation pit bottom surface is in 45 °.
Refering to attached drawing 1, attached drawing 3 and attached drawing 4, the short transverse of both sides along the backplate 120 of backplate 120 offers card slot 122,
The connection baffle 200 being connected in card slot 122 is provided between the backplate 120 of adjacent branch protecting assembly 100.Connect baffle 200
Both sides are provided with the strip 210 being inserted into card slot 122, and connection baffle 200 is after installation is complete between adjacent plates 120, strip
210 lower face offsets with bottom plate 110.
Connection baffle 200 offers several fixed counterbores 220 in the side far from foundation pit side-wall, pacifies in fixed counterbore 220
Foundation pit side-wall and the branch guard bar 230 being inserted into foundation pit side-wall are pressed on equipped with baffle 200 will be connected.Wherein, branch guard bar 230 includes
Support anchor rod 231 and it is threadedly connected to support anchor rod 231 and the gland 232 being installed in fixed counterbore 220.In the present embodiment
In, every piece of connection baffle 200 is equipped with three branch guard bars 230, and branch guard bar 230 is set diagonally downward.
Refering to attached drawing 1, attached drawing 5 and attached drawing 6, foundation pit supporting construction is provided with jacking of floor component in the lower section of bottom plate 110,
Jacking of floor component mainly includes the positioning spiral shell for being embedded into the pre-poured stake 310 of underground, being embedded in pre-poured 310 top of stake in advance
Bolt 320, be set to 110 upper end of bottom plate and along bottom plate 110 the pressure plate 330 arranged of length direction and pressure plate 330 pressed
Tightly 110 upper surface of bottom plate and with the location nut 340 of 320 thread fitting of positioning bolt.
Wherein, bottom plate 110 offers the positioning through hole 113 passed through for positioning bolt 320（Refering to attached drawing 2）, pressure plate 330
Also the compression through-hole 331 passed through for positioning bolt 320 is offered.Positioning through hole 113（Refering to attached drawing 2）Aperture be more than compress it is logical
The aperture in hole 331, the bottom of pressure plate 330 are additionally provided with the locating ring 332 being inserted into positioning through hole 113, locating ring 332 it is outer
Side and the inner wall of positioning through hole 113 offset.And when location nut 340 is installed on positioning bolt 320, location nut 340
Lower face and the edge of positioning through hole 113 offset, pressure plate 330 is pressed on to the upper surface of bottom plate 110, i.e., by bottom plate 110
It is pressed on bottom of foundation ditch.
In the present embodiment, it is correspondingly arranged there are one pre-poured stake 310, and sets at four angles of every piece of bottom plate 110
There are two pieces of pressure plates 330 for being mutually parallel and being arranged along 110 length direction of bottom plate.
Fixing groove 400 is further opened between adjacent branch protecting assembly 100, coagulation concrete block 410 is provided in fixing groove 400.Pressure
The both ends of tight plate 330 all extend to 110 outside of bottom plate and positioned at the tops of fixing groove 400, and the both ends of pressure plate 330 offer
Several compression jacks 333.Additional reinforcement part 420 is additionally provided between the pressure plate 330 of 110 reinforcement assembly of adjacent bottom plates.Auxiliary
Reinforcing member 420 includes connecting rod 421 and is set to 421 both sides of connecting rod and is fixed on coagulation concrete block across compression jack 333 and bottom
410 anchor pole 422.In the present embodiment, there are two additional reinforcement parts for setting between the pressure plate 330 of adjacent branch protecting assembly 100
420。
The step of foundation pit supporting construction is installed in foundation pit is as follows：
1st, in the installation site of the bottom edge of foundation pit planning foundation pit supporting construction, and the installation position of pre-poured stake 310 is marked
It puts；
2nd, the pre-poured stake 310 with positioning bolt 320 is prepared；
3rd, it is drilled, and pre-poured stake 310 is put into above-mentioned drilling using loop wheel machine using installation site of the drilling machine in above-mentioned label
Interior positioning, and the penetration concrete between pre-poured stake 310 and drilling madial wall, make pre-poured stake 310 be fixed on foundation pit
Bottom；
4th, bottom plate 110 is installed to bottom of foundation ditch using loop wheel machine, positioning bolt 320 is made to pass through the positioning through hole 113 of bottom plate 110；
5th, fixing groove 400 is excavated between adjacent bottom plates 110；
The 6th, pressure plate 330 is installed to the compression through-hole that positioning bolt 320 to the upper surface of bottom plate 110, is made to pass through pressure plate 330
331, and location nut 340 is mounted on positioning bolt 320；
7th, by additional reinforcement part 420 between adjacent pressure plate 330, the bottom of anchor pole 422 is made to be inserted into fixing groove 400；
8th, concrete is injected into fixing groove 400 and forms coagulation concrete block 410, realize the fixation to additional reinforcement part 420；
9th, backplate 120 is mounted on bottom plate 110 using loop wheel machine, the inserted block 121 of backplate 120 is made to be inserted into the slot 111 of bottom plate 110
It is interior；
The 10th, support component 130 is installed, make knighthead 131 while be fixed between backplate 120 and bottom plate 110, make supported rod erecting
133 are inserted into upright bar limit hole 112；
11st, will connection baffle 200 be inserted into adjacent plates 120 between, and connection baffle 200 fixation counterbore 220 in place installation
It is inserted into the branch guard bar 230 of foundation pit side-wall.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the right of invention by Patent Law.
Claims (9)
1. a kind of foundation pit supporting construction, which is characterized in that described including the multiple protecting assemblies (100) arranged along foundation pit side-wall
Branch protecting assembly (100) including be fixed on bottom of foundation ditch bottom plate (110), be used to support foundation pit side-wall backplate (120), connection bottom
The support component (130) of plate (110) and backplate (120), the both sides of the backplate (120) offer card slot along short transverse
(122), two sides are additionally provided between adjacent plates (120) along the connection baffle (200) being respectively clamped into card slot (122), institute
It states connection baffle (200) and fixed counterbore (220) is further opened in the side far from foundation pit side-wall, the fixed counterbore (220) is interior
The branch guard bar (230) that connection baffle (200) is pressed on to foundation pit side-wall and insertion foundation pit side-wall is installed.
2. a kind of foundation pit supporting construction according to claim 1, which is characterized in that the support component (130) if including
The connecting rod (132) of the dry knighthead (131) being mutually parallel and connection adjacent supports brace (131), the knighthead
(131) one end is provided with to be provided with backplate (120) fixed backplate (120) fixed plate, the other end of knighthead (131)
With bottom plate (110) fixed bottom plate (110) fixed plate.
3. a kind of foundation pit supporting construction according to claim 2, which is characterized in that the knighthead (131) is close
The side of backplate (120) fixed plate is provided with supported rod erecting (133) straight down, and the bottom plate (110) offers supported rod erecting
(133) the upright bar limit hole (112) being inserted into.
4. a kind of foundation pit supporting construction according to claim 1, which is characterized in that the lower end of the bottom plate (110) is also set
Jacking of floor component is equipped with, the jacking of floor component includes being embedded into the pre-poured stake (310) of underground, is embedded in prefabricated filling in advance
Positioning bolt (320) at the top of note stake (310) and by bottom plate (110) be pressed on foundation pit bottom surface and with positioning bolt (320) spiral shell
The location nut (340) of line cooperation, the bottom plate (110) offer the positioning through hole (113) passed through for positioning bolt (320).
5. a kind of foundation pit supporting construction according to claim 4, which is characterized in that bottom plate (110) reinforcement assembly is also
The pressure plate (330) of foundation pit bottom surface, institute are pressed on including several length direction arrangements along bottom plate (110) and by bottom plate (110)
Stating pressure plate (330) has the compression through-hole (331) being pierced by for positioning bolt (320).
6. a kind of foundation pit supporting construction according to claim 5, which is characterized in that the bottom of the pressure plate (330) is set
It is equipped with the locating ring (332) being inserted into positioning through hole (113).
7. a kind of foundation pit supporting construction according to claim 6, which is characterized in that the both ends of the pressure plate (330) are equal
It extends on the outside of bottom plate (110) and opens up several compression jacks (333), the pressure plate of adjacent bottom plate (110) reinforcement assembly
(330) additional reinforcement part (420) is additionally provided between, the additional reinforcement part (420) is including connecting rod (421) and is set to connecting rod
(421) both sides and across compress jack (333) be inserted into ground anchor pole (422).
8. a kind of foundation pit supporting construction according to claim 7, which is characterized in that the adjacent branch protecting assembly (100) it
Between be further opened with fixing groove (400), the fixing groove (400) is provided with is inserted into fixed coagulation concrete block for anchor pole (422) lower end
(410)。
9. a kind of foundation pit supporting construction according to claim 1, which is characterized in that the bottom of the backplate (120) has
Several inserted blocks (121), the bottom plate (110) offer the slot (111) being inserted into for inserted block (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810070241.1A CN108166506B (en) | 2018-01-24 | 2018-01-24 | Foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810070241.1A CN108166506B (en) | 2018-01-24 | 2018-01-24 | Foundation pit supporting structure |
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| CN108166506A true CN108166506A (en) | 2018-06-15 |
| CN108166506B CN108166506B (en) | 2020-07-07 |
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| CN201810070241.1A Active CN108166506B (en) | 2018-01-24 | 2018-01-24 | Foundation pit supporting structure |
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| CN108677974A (en) * | 2018-06-21 | 2018-10-19 | 江西工业工程职业技术学院 | The slope protective device that architectural engineering is used for |
| CN108894234A (en) * | 2018-09-13 | 2018-11-27 | 王叔珍 | A kind of polygon foundation pit supporting construction and construction method |
| CN109113077A (en) * | 2018-10-17 | 2019-01-01 | 李慧 | A kind of cunicular foundation pit supporting construction of foundation pit side-wall |
| CN109183808A (en) * | 2018-10-11 | 2019-01-11 | 上海市岩土地质研究院有限公司 | Foundation pit supporting construction and method for protecting support |
| CN111663535A (en) * | 2020-06-04 | 2020-09-15 | 江苏文博建筑设计有限公司 | Foundation pit supporting structure firmly connected with side wall of foundation pit |
| CN111894005A (en) * | 2020-07-14 | 2020-11-06 | 上海憨牛建设工程有限公司 | Earthwork foundation ditch bearing structure |
| CN111894007A (en) * | 2020-07-27 | 2020-11-06 | 东莞嘉誉诚建设基础工程有限公司 | Construction engineering foundation pit supporting structure and construction method thereof |
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| CN112411572A (en) * | 2020-11-27 | 2021-02-26 | 贵州建工集团第一建筑工程有限责任公司 | Building foundation pit supporting system |
| CN112647510A (en) * | 2020-10-15 | 2021-04-13 | 南京市疾病预防控制中心 | Foundation ditch supporting construction for building engineering |
| CN113062329A (en) * | 2021-04-02 | 2021-07-02 | 杨有仪 | Civil engineering foundation pit construction and reinforcement method |
| CN113322970A (en) * | 2021-04-29 | 2021-08-31 | 徐勇 | High-strength supporting structure around foundation pit |
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| CN114263184A (en) * | 2021-09-18 | 2022-04-01 | 中国十九冶集团有限公司 | Foundation pit supporting construction method |
| CN115217120A (en) * | 2022-08-17 | 2022-10-21 | 中国十七冶集团有限公司 | Assembled foundation pit supporting device and mounting method thereof |
| CN115404875A (en) * | 2022-08-24 | 2022-11-29 | 北京城建五建设集团有限公司 | Foundation pit supporting structure and using method thereof |
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