CN117822610B - Building foundation supporting structure - Google Patents
Building foundation supporting structure Download PDFInfo
- Publication number
- CN117822610B CN117822610B CN202410250863.8A CN202410250863A CN117822610B CN 117822610 B CN117822610 B CN 117822610B CN 202410250863 A CN202410250863 A CN 202410250863A CN 117822610 B CN117822610 B CN 117822610B
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- Prior art keywords
- support
- supporting
- foundation
- building foundation
- upright post
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- 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.)
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 62
- 239000004568 cement Substances 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 210000003205 muscle Anatomy 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Foundations (AREA)
Abstract
The invention relates to a building foundation supporting structure applied to the technical field of building construction, which comprises a bracket upright post, a supporting upper disc, cement piles, supporting arms, supporting plates, fixing ribs and a pushing bracket, wherein the pushing bracket is in conflict with the fixing ribs, so that when the foundation supporting structure is built, the supporting plates are placed on the ditch walls of a ditch pit, a plurality of cement piles are buried in the middle of the ditch pit in advance, the bracket upright post is inserted between the cement piles, the supporting upper disc is inserted at the top of the bracket upright post, the pushing bracket on the supporting arms is utilized to tightly prop against the supporting plates, the supporting of the foundation ditch pit is realized, when a foundation is poured, the top of the bracket upright post is hoisted by hoisting equipment, the bracket upright post and the supporting upper disc are taken out together according to the filling speed of concrete, the dismantling of the supporting structure is synchronous with the foundation pouring, the supporting structure continues to keep the supporting effect in the dismantling process, and the pouring effect of the foundation is effectively improved.
Description
Technical Field
The invention relates to a supporting structure, in particular to a building foundation supporting structure applied to the technical field of building construction.
Background
The foundation refers to the soil or rock mass underlying the building supporting the foundation. Soil layers used as building foundations are divided into rock, gravel soil, sand, silt soil, cohesive soil and artificial filling soil. The foundation has natural foundation and artificial foundation, and when the foundation is buried in the underground circular foundation, the excavated ditch wall needs to be supported so as to prevent the ditch wall soil from collapsing.
The specification of Chinese patent CN202011249610.7 discloses a building foundation supporting structure which can strengthen foundation holes with different apertures, can prevent the foundation holes from sinking due to long-time soaking, and can ensure that the supporting structure is fixed more firmly.
Above-mentioned bearing structure uses the connecting rod to support between backup pad and reference column, and bearing structure occupies ditch hole space, therefore need demolish bearing structure in advance before the concrete placement of foundation, bearing structure's demolishs work complicacy, demolishs bearing structure back ditch hole and can not obtain the support protection when concrete placement, influences the pouring effect of building foundation.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the technical problems that the support structure needs to be dismantled before pouring the foundation, the dismantling work is complex, and the pouring effect of the building foundation is affected.
In order to solve the problems, the invention provides a building foundation supporting structure, which comprises a bracket upright post, wherein a supporting upper disc is inserted at the top of the bracket upright post, a plurality of cement piles are arranged at the bottom of the supporting upper disc, the cement piles are in sliding connection with the bracket upright post, and lifting holes are fixedly connected at the top end of the bracket upright post; the outside of support stand and support upper disc all fixedly connected with support arm, the support arm runs through the clearance that stretches out between two adjacent cement piles, and the support arm is kept away from the one end outside of support stand and is equipped with the backup pad, and the medial surface fixedly connected with fixed muscle of backup pad, the top sliding connection of support arm have to push away tight support, pushes away tight support and fixed muscle conflict.
In the building foundation supporting structure, the support stand columns and the support upper disc are reinforced through the embedded cement piles, the support arms extending out are utilized to provide support for the support plates, support of foundation pits is achieved, the lifting device hooks the lifting holes when the foundation is poured, the support stand columns are slowly lifted according to the filling speed of concrete, the support stand columns and the support upper disc are taken out together when the foundation pouring is completed, the dismantling of the supporting structure is synchronous with the foundation pouring, the supporting structure continues to keep supporting effect in the dismantling process, and the pouring effect of the foundation is effectively improved.
As a further improvement of the application, the bottom of the supporting plate is provided with the backing plate, the two ends of the backing plate are provided with the plug holes, the bottom ends of the fixing ribs penetrate through the plug holes, the backing plate is buried at the bottom of the pit in advance, the supporting plate is convenient to place, and meanwhile, the stability of the bottom end of the supporting plate is effectively improved by utilizing the plug holes of the fixing ribs.
As a further improvement of the application, the middle part of the pushing support is movably connected with a clamping block, the surface of the supporting arm is fixedly connected with a clamping groove, the clamping block is clamped with the clamping groove, and the sliding position of the pushing support is limited in advance through the clamping of the clamping block and the clamping groove.
As a further improvement of the application, one end of the pushing support close to the support upright post is in threaded connection with a compression bolt, one end of the compression bolt is in rotary connection with the clamping block, and the distance between the clamping block and the pushing support is adjusted by screwing the compression bolt, so that the pushing support is propped against the fixing rib on the inner side of the support plate.
As still another improvement of the present application, preset steel bars are poured inside the cement piles, two ends of the preset steel bars penetrate through and extend out of two adjacent sides of the cement piles, and the preset steel bars provide connection positions for the cement piles, so that the foundation steel bars are conveniently fixed.
As a further improvement of the application, the preset steel bars are arranged in a U-shaped bending way, the two ends of the preset steel bars are curled and provided with connecting rings, the connecting rings provide the connection positions of the steel bars, and meanwhile, the connecting rings facilitate the transportation of the cement piles.
As a further improvement supplement of the application, the two ends of the supporting plate are connected with the extension plates in a telescopic way, binding steel bars are movably connected between the two connection rings and the two adjacent extension plates respectively, the extension plates realize the outward extension of the two ends of the supporting plate, the supporting surface of the supporting plate is improved, the binding steel bars assist in supporting the extension plates, and meanwhile, the steel bars of the foundation can be bound on the binding steel bars, so that the binding of the foundation steel bars is facilitated.
As a further improvement of the application, two adjacent binding bars are arranged in a crossing way, hoops are sleeved at the crossing positions of the binding bars, the crossing binding bars are bound by the hoops, and the effect of fixing the extension plate is achieved by fixing the binding bars.
As another improvement of the application, the outside of the binding steel bar is provided with the hoop grooves at equal intervals, the hoop rings are correspondingly clamped with the hoop grooves, and the binding position of the hoop rings in the hoop grooves is adjusted, so that the binding stability of the binding steel bar is effectively improved.
As another improvement of the application, one end of the binding steel bar, which is contacted with the supporting plate, is movably connected with the abutting piece, the inner side surface of the extending plate is fixedly connected with the sliding groove, the sliding groove is in sliding connection with the abutting piece, and when the supporting plate is dismounted, the binding steel bar slides in the sliding groove through the abutting piece, so that the stability of the binding steel bar is prevented from being influenced in the process of dismounting the supporting plate.
To sum up, when building foundation bearing structure, the backup pad is laid to the ditch wall in ditch hole, bury a plurality of cement piles in the ditch hole middle part in advance, insert the support stand between a plurality of cement piles, the top grafting of support stand supports the upper disc, utilize pushing away tight support on the support arm, the support of foundation ditch hole is realized in the tight backup pad in top, when follow-up foundation is pour, lifting device hooks the lifting hole, slowly promote the support stand according to the filling speed of concrete, the support stand is taken out together with supporting the upper disc when the foundation is pour to accomplish, bearing structure's dismantlement and foundation are pour simultaneously, demolish process bearing structure and continue to keep supporting role, effectively improve the pouring effect of foundation.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present application;
FIG. 2 is a perspective view of a stand column of a first embodiment of the present application;
FIG. 3 is a perspective view showing a supporting upper plate according to a first embodiment of the present application;
FIG. 4 is a perspective view showing a construction of a plurality of cement piles according to a first embodiment of the present application;
fig. 5 is a perspective view showing a supporting plate and an extension plate according to a second embodiment of the present application;
FIG. 6 is a perspective view showing a construction of a cement pile according to a second embodiment of the present application;
fig. 7 is a perspective view illustrating a preset reinforcing bar according to a second embodiment of the present application;
Fig. 8 is a top view of an extension plate and binding rebar according to a second embodiment of the present application;
FIG. 9 is an illustration showing the extension plate extending outwardly of a second embodiment of the present application;
fig. 10 is a perspective view showing a structure of a binding reinforcing bar and a hoop according to a second embodiment of the present application.
The reference numerals in the figures illustrate:
1. A support column; 101. lifting holes; 2. supporting the upper disc; 3. a cement pile; 4. a support arm; 401. pushing the support tightly; 402. a clamping block; 403. a clamping groove; 404. a compression bolt; 5. a support plate; 501. fixing ribs; 502. a backing plate; 503. a plug hole; 6. presetting reinforcing steel bars; 601. a connecting ring; 7. an extension plate; 701. binding reinforcing steel bars; 702. a hoop; 703. a hooping groove; 704. a contact piece; 705. and a sliding groove.
Detailed Description
Two embodiments of the present application will be described in detail with reference to the accompanying drawings.
First embodiment:
1-3, a building foundation supporting structure comprises a support upright post 1, wherein a supporting upper disc 2 is inserted at the top of the support upright post 1, a plurality of cement piles 3 are arranged at the bottom of the supporting upper disc 2, the cement piles 3 are in sliding connection with the support upright post 1, and lifting holes 101 are fixedly connected at the top end of the support upright post 1; the outside of the support upright post 1 and the support upper disc 2 are fixedly connected with a support arm 4, the support arm 4 penetrates through a gap between two adjacent cement piles 3, a support plate 5 is arranged outside one end of the support arm 4, which is far away from the support upright post 1, the inner side surface of the support plate 5 is fixedly connected with a fixing rib 501, the top of the support arm 4 is slidably connected with a pushing support 401, and the pushing support 401 is abutted against the fixing rib 501;
When building foundation bearing structure, backup pad 5 is laid to the ditch wall of ditch hole, bury a plurality of cement stake 3 in the ditch hole middle part in advance, insert support stand 1 between a plurality of cement stake 3, support upper disc 2 is pegged graft at the top of support stand 1, utilize pushing up tight support 401 on the support arm 4, the support of foundation ditch hole is realized to the tight backup pad 5 in top, when follow-up foundation is pour, lifting device hooks lifting hole 101, slowly promote support stand 1 according to the filling speed of concrete, support stand 1 takes out along with support upper disc 2 when the foundation is pour and is got out, bearing structure's dismantlement and foundation are pour in step, demolish process bearing structure and continue to keep supporting role, effectively improve the pouring effect of foundation.
Fig. 4-5 show that a backing plate 502 is placed at the bottom of the supporting plate 5, plug holes 503 are formed at two ends of the backing plate 502, the bottom ends of fixing ribs 501 penetrate through the plug holes 503, the backing plate 502 is buried at the bottom of a pit in advance, the supporting plate 5 is placed conveniently, and meanwhile the stability of the bottom ends of the supporting plate 5 is effectively improved by using the plug holes 503 of the fixing ribs 501;
when installing backup pad 5, bury backing plate 502 in the bottom of ditch hole earlier, backup pad 5 is put at the top of backing plate 502, and the fixed muscle 501 of backup pad 5 medial surface passes spliced eye 503 and inserts underground, and the bottom of fixed backup pad 5 effectively improves the stability of backup pad 5.
Fig. 3 shows that a clamping block 402 is movably connected to the middle part of the pushing support 401, a clamping groove 403 is fixedly connected to the surface of the supporting arm 4, the clamping block 402 is clamped with the clamping groove 403, the sliding position of the pushing support 401 is limited in advance through the clamping block 402 and the clamping groove 403, a compression bolt 404 is connected to one end of the pushing support 401 close to the support column 1 through threads, one end of the compression bolt 404 is rotatably connected with the clamping block 402, and the distance between the clamping block 402 and the pushing support 401 is adjusted through screwing the compression bolt 404, so that the pushing support 401 is tightly propped against a fixing rib 501 on the inner side of the supporting plate 5;
When the pushing support 401 is adjusted, the clamping blocks 402 on the pushing support 401 are clamped into the clamping grooves 403 on the supporting arm 4, then the compression bolts 404 are screwed down, and the clamping blocks 402 are in a fixed state, so that the position of the pushing support 401 is adjusted, the pushing support 401 is tightly contacted with the fixing ribs 501, and support is provided for the supporting plate 5.
Second embodiment:
compared with the first embodiment, the preset steel bars 6 and the extension plates 7 are mainly added in the present embodiment, and the specific added structure is as follows, and the rest structures are identical to those of the first embodiment.
Fig. 5-8 show that preset steel bars 6 are poured inside the cement piles 3, two ends of the preset steel bars 6 penetrate through two adjacent sides of the cement piles 3, the preset steel bars 6 provide connection positions for the cement piles 3, foundation steel bars are convenient to fix, the preset steel bars 6 are in U-shaped bending arrangement, two ends of the preset steel bars 6 are curled and provided with connecting rings 601, the connecting rings 601 provide steel bar connection positions, meanwhile, the connecting rings 601 facilitate carrying of the cement piles 3, two ends of each supporting plate 5 are connected with extension plates 7 in a telescopic manner, binding steel bars 701 are movably connected between the two connecting rings 601 and the two adjacent extension plates 7 respectively, the extension plates 7 realize outward extension of two ends of each supporting plate 5, the supporting surfaces of the supporting plates 5 are improved, the extension plates 7 are supported in an auxiliary manner by the binding steel bars 701, meanwhile, foundation steel bars can be bound on the binding steel bars 701, and binding of the foundation steel bars is convenient to bind;
When pouring cement pile 3, preset reinforcing steel bar 6 is placed in cement pile 3 in advance, when cement pile 3 buries the ditch hole of foundation, preset reinforcing steel bar 6 stretches out the end outwards, install binding steel bar 701 between the go-between 601 and extension board 7 on preset reinforcing steel bar 6, binding steel bar 701 supports the outside extension board 7 of backup pad 5, improve the area of support to ditch hole inner wall, binding steel bar 701 is used for binding up of foundation reinforcing steel bar simultaneously, realize the required reinforcing steel bar of foundation and the combination of pre-buried cement pile 3, effectively improve the stability of follow-up pouring foundation.
Fig. 6 and fig. 8-10 show that two adjacent binding bars 701 are arranged in a crossed manner, hoops 702 are sleeved at the crossed positions of the binding bars 701, the crossed binding bars 701 are bound by the hoops 702, the effect of fixing the extension plates 7 is achieved by fixing the binding bars 701, hoops 703 are formed in the outer portions of the binding bars 701 at equal intervals, the hoops 702 are correspondingly clamped with the hoops 703, the binding positions of the hoops 702 in the hoops 703 are adjusted, the binding stability of the binding bars 701 is effectively improved, one ends of the binding bars 701, which are contacted with the support plates 5, are movably connected with abutting plates 704, sliding grooves 705 are fixedly connected with the inner side surfaces of the extension plates 7, the sliding grooves 705 are in sliding connection with the abutting plates 704, and when the support plates 5 are removed, the binding bars 701 slide in the sliding grooves 705 through the abutting plates 704, so that the stability of the binding bars 701 is prevented from being influenced in the process of removing the support plates 5;
When the extension plate 7 is adjusted to extend outwards, the two binding bars 701 follow the extending state of the extension plate 7, the crossing positions of the two binding bars 701 are adjusted, and the hoops 702 are utilized to bind the crossing positions of the two binding bars 701, so that the state of fixing the extension plate 7 is achieved.
The present application is not limited to the above-described embodiments, which are adopted in connection with the actual demands, and various changes made by the person skilled in the art without departing from the spirit of the present application are still within the scope of the present application.
Claims (10)
1. The utility model provides a building foundation bearing structure which characterized in that: the concrete pile comprises a support upright post (1), wherein a support upper disc (2) is inserted into the top of the support upright post (1), a plurality of cement piles (3) are arranged at the bottom of the support upper disc (2), the cement piles (3) are in sliding connection with the support upright post (1), and lifting holes (101) are fixedly connected to the top end of the support upright post (1);
The outside of support stand (1) and support upper disc (2) is equal fixedly connected with support arm (4), support arm (4) run through and stretch out the clearance between two adjacent cement piles (3), the one end outside that support arm (4) kept away from support stand (1) is equipped with backup pad (5), medial surface fixedly connected with fixed muscle (501) of backup pad (5), the top sliding connection of support arm (4) has pushes away tight support (401), push away tight support (401) and fixed muscle (501) conflict.
2. A building foundation support structure according to claim 1, wherein: backing plate (502) have been placed to the bottom of backup pad (5), spliced eye (503) have all been seted up at the both ends of backing plate (502), spliced eye (503) are run through to the bottom of fixed muscle (501).
3. A building foundation support structure according to claim 1, wherein: the middle part swing joint of pushing away tight support (401) has fixture block (402), the fixed surface of support arm (4) is connected with draw-in groove (403), fixture block (402) and draw-in groove (403) joint.
4. A building foundation support structure according to claim 3, wherein: one end of the pushing support (401) close to the support upright post (1) is connected with a compression bolt (404) in a threaded mode, and one end of the compression bolt (404) is connected with the clamping block (402) in a rotating mode.
5. A building foundation support structure according to claim 1, wherein: preset steel bars (6) are poured in the cement piles (3), and two ends of each preset steel bar (6) penetrate through two adjacent faces of each cement pile (3).
6. A building foundation support structure according to claim 5, wherein: the steel bars (6) are bent in a U shape, and connecting rings (601) are curled at two ends of the steel bars (6).
7. A building foundation support structure according to claim 6, wherein: extension plates (7) are connected to two ends of the supporting plate (5) in a telescopic mode, and binding steel bars (701) are movably connected between the two connecting rings (601) and the two adjacent extension plates (7) respectively.
8. A building foundation support structure according to claim 7, wherein: two adjacent binding steel bars (701) are arranged in a crossing way, and hoops (702) are sleeved at the crossing positions of the binding steel bars (701).
9. A building foundation support structure according to claim 8, wherein: and the outside of the binding steel bars (701) is provided with hoop grooves (703) at equal intervals, and the hoop rings (702) are correspondingly clamped with the hoop grooves (703).
10. A building foundation support structure according to claim 7, wherein: one end of the binding steel bar (701) contacting with the supporting plate (5) is movably connected with a collision sheet (704), the inner side surface of the extending plate (7) is fixedly connected with a sliding groove (705), and the sliding groove (705) is in sliding connection with the collision sheet (704).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410250863.8A CN117822610B (en) | 2024-03-06 | 2024-03-06 | Building foundation supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410250863.8A CN117822610B (en) | 2024-03-06 | 2024-03-06 | Building foundation supporting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117822610A CN117822610A (en) | 2024-04-05 |
| CN117822610B true CN117822610B (en) | 2024-05-03 |
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ID=90506307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410250863.8A Active CN117822610B (en) | 2024-03-06 | 2024-03-06 | Building foundation supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117822610B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211472520U (en) * | 2019-11-27 | 2020-09-11 | 中建五局第三建设有限公司 | Bored pile foundation supporting device pours into |
| CN112575798A (en) * | 2020-11-10 | 2021-03-30 | 上海绿地建设(集团)有限公司 | Building foundation bearing structure |
| KR20230169616A (en) * | 2022-06-09 | 2023-12-18 | 한국가스공사 | Horizontal brace apparatus of temporary soil retaining work |
-
2024
- 2024-03-06 CN CN202410250863.8A patent/CN117822610B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211472520U (en) * | 2019-11-27 | 2020-09-11 | 中建五局第三建设有限公司 | Bored pile foundation supporting device pours into |
| CN112575798A (en) * | 2020-11-10 | 2021-03-30 | 上海绿地建设(集团)有限公司 | Building foundation bearing structure |
| KR20230169616A (en) * | 2022-06-09 | 2023-12-18 | 한국가스공사 | Horizontal brace apparatus of temporary soil retaining work |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117822610A (en) | 2024-04-05 |
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