CN109972626B - Foundation pit enclosure structure in green land - Google Patents
Foundation pit enclosure structure in green land Download PDFInfo
- Publication number
- CN109972626B CN109972626B CN201910260681.8A CN201910260681A CN109972626B CN 109972626 B CN109972626 B CN 109972626B CN 201910260681 A CN201910260681 A CN 201910260681A CN 109972626 B CN109972626 B CN 109972626B
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- supporting
- column
- plate
- fixing
- support
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- 230000008093 supporting effect Effects 0.000 claims abstract description 125
- 238000013016 damping Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 239000004568 cement Substances 0.000 claims description 4
- 239000004567 concrete Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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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
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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)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a foundation pit enclosure structure in a green land, which comprises a frame, wherein a first support beam and a second support beam positioned above the first support beam are transversely arranged in the frame, fixing frames are arranged on the periphery of the top of the second support beam, a rectangular structure is formed by a plurality of fixing frames, a honeycomb structure is arranged between the fixing frames and the frame, a plurality of supporting devices are arranged between the second support beam and the first support beam, a plurality of damping devices are arranged between the bottom of the first support beam and the bottom in the frame, each damping device comprises a bottom plate, two ends of the top of the bottom plate are respectively provided with a third support column, a first support plate is transversely arranged between the tops of the third support columns at two ends, and a fourth support column is arranged in the middle of the first support plate in an. Has the advantages that: the safety of frame enclosure can be improved, the stress surface is increased, the compression of external pressure on the foundation pit is weakened, and the safety performance is improved.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an earth foundation pit enclosure structure in a green land.
Background
At present, in the construction of foundation pits in green lands, supports are adopted to enclose the foundation pits to play the firmness and safety performance of the foundation pits, but the firmness of the existing foundation pit enclosure structure is not strong, the supports are basically manufactured by reinforcing steel bars to enclose the foundation pits, so that the support performance is poor, and collapse of the foundation is easily caused when external strong pressure is applied, and thus accidents are easily caused.
In summary, how to increase the firmness and safety of the foundation pit is a technical problem that needs to be solved urgently at present.
Disclosure of Invention
The technical task of the invention is to provide a foundation pit enclosure structure in the green land to solve the problems mentioned in the background technology.
The technical scheme of the invention is realized as follows:
a foundation pit enclosure structure in a green land comprises a frame, wherein a first supporting beam and a second supporting beam are transversely arranged in the frame and positioned above the first supporting beam, fixing frames are arranged on the periphery of the top of the second supporting beam and form a square-shaped structure, a honeycomb structure is arranged between the fixing frames and the frame, a plurality of supporting devices are arranged between the second supporting beam and the first supporting beam, a plurality of damping devices are arranged between the bottom of the first supporting beam and the bottom in the frame, each damping device comprises a bottom plate, supporting columns III are arranged at two ends of the top of the bottom plate, a first supporting plate is transversely arranged between the tops of the supporting columns III at two ends, a fourth supporting column is arranged in the middle of the first supporting plate in an alternating mode, the top of the fourth supporting column penetrates through the first supporting plate and extends to the bottom of the first supporting beam, and the bottom of the fourth supporting column penetrates through the first supporting plate and extends to the lower, an inverted U-shaped support plate is arranged at the bottom of the fourth support column, a first support rod is arranged in the middle of a U-shaped groove at the bottom of the U-shaped support plate, a second fixed block is arranged at the bottom of the first support rod, a press plate is arranged at the bottom of the second fixed block, a second support spring is arranged between the bottom of the press plate and the top of the bottom plate, a semi-cylinder matched with the side edge of the U-shaped support plate is arranged between the third support columns at two ends and positioned at the outer side of the lower part of the U-shaped support plate, a second support plate is arranged at both ends of the first support plate, a second support rod is arranged at the top of the second support plate and at one end far away from the first support plate, compression springs are arranged at the upper parts of the corresponding side edges of the second support rods at two ends, a connecting plate is connected to one end far away from the second support rod, the bottom of connecting plate is equipped with fixed block three, just fixed block three is fixed the top of backup pad one, the both sides of bottom plate all are equipped with support column one, the top of support column one just is located the bottom tip of a supporting beam one all is equipped with support column two, just support column two with be equipped with supporting spring one between the support column one.
Preferably, the honeycomb structure is filled with concrete steel bars, a column structure is formed between the fixing frame and the four ends of the frame, and cement is poured in the column structure.
Preferably, the two ends of the bottom plate are respectively provided with a fixing plate, and the fixing plates are fixed at the corresponding end parts of the bottom in the frame.
Preferably, the supporting device comprises a third supporting plate, a first fixing column, a fifth supporting column, a second fixing column, a top plate, a plurality of third fixing columns and a support.
Preferably, the support plate tee is fixed to the top of the first support beam through a plurality of screws, the center of the top of the third support plate is provided with the first fixing column, the middle of the top of the first fixing column is provided with the fifth support column, the top of the fifth support column is provided with the second fixing column, the top of the second fixing column is provided with the top plate, and the top plate is fixed to the bottom of the second support beam through a plurality of screws.
Preferably, the top and the bottom of two sides of the fifth supporting column are both provided with the third fixing column, and one side of the third fixing column on two sides, which is far away from the fifth supporting column, is fixed to the side end of the top of the first fixing column and the side end of the bottom of the second fixing column through the bracket.
Preferably, a buffer device is arranged between every two adjacent fixing columns, and each buffer device comprises a fixing block IV, a limiting block, a supporting rod I, a fixing block V, a supporting rod II, a U-shaped clamping block, a connecting column, a spring I and a spring II.
Preferably, fixed block four is fixed the top of fixed column three, fixed block four imbeds there is the stopper, the top of stopper is equipped with bracing piece one, just bracing piece one run through in fixed block four extends to the top of fixed block four, the top of bracing piece one is equipped with fixed block five, the top of fixed block five is equipped with bracing piece two, the top of bracing piece two is equipped with the type of falling U fixture block, the top of U type fixture block is equipped with the spliced pole, just the top of spliced pole is fixed the bottom of fixed column three.
Preferably, the surface of the supporting rod II is sleeved with a spring I, and the surface of the supporting rod I is sleeved with a spring II.
The invention has the beneficial effects that:
1. frame structure is installed through foundation pit in the greenery patches for play fine enclosure effect, in addition, increase the fastness of foundation pit, prevent that the ground from taking place the hidden danger that sinks, and the frame established in this scheme through being equipped with a plurality of strutting arrangement and damping device in inside, can play fine guard action, increase the fastness of ground.
2. Through adopting honeycomb structure, can increase the support nature of frame to improve the fastness of frame, and be filled with reinforced concrete in honeycomb structure intussuseption, the firm effect of multiplicable foundation pit enclosure.
3. The plurality of damping devices arranged at the inner lower part of the frame can improve the safety of the frame enclosure, increase the stress surface, weaken the compression of the external pressure on the foundation pit and improve the safety performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of an overall architecture according to an embodiment of the present invention;
FIG. 2 is a top view of an embodiment in accordance with the invention;
FIG. 3 is a schematic view of a shock absorbing device according to an embodiment of the present invention;
FIG. 4 is a partial enlarged view according to A in FIG. 3;
FIG. 5 is a schematic structural view of a support device according to an embodiment of the present invention;
fig. 6 is a partial enlarged view according to B in fig. 5.
In the figure:
1. a frame; 2. a first support beam; 3. a second support beam; 4. a fixed mount; 5. a honeycomb structure; 6. a support device; 7. a base plate; 8. a third support column; 9. a first support plate; 10. a fourth support column; 11. a U-shaped support plate; 12. a first support rod; 13. a second fixed block; 14. pressing a plate; 15. a second support spring; 16. a semi-cylinder; 17. a second support plate; 18. a second supporting rod; 19. a compression spring; 20. a connecting plate; 21. a pulley; 22. a third fixed block; 23. a first supporting column; 24. a second supporting column; 25. a first supporting spring; 26. a fixing plate; 27. a third support plate; 28. fixing a first column; 29. a fifth support column; 30. fixing a second column; 31. a top plate; 32. fixing a column III; 33. a support; 34. a fourth fixed block; 35. a limiting block; 36. a first supporting rod; 37. a fifth fixed block; 38. a second supporting rod; 39. a U-shaped fixture block; 40. connecting columns; 41. a first spring; 42. and a second spring.
Detailed Description
In the description of the present invention, it is to be understood that the terms "central", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. It is also noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are intended to be construed broadly, as meaning, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention is further described with reference to the following figures and specific examples.
In a first embodiment, as shown in fig. 1-4, the foundation pit enclosure structure in the green land according to the embodiment of the invention includes a frame 1, a first support beam 2 and a second support beam 3 located above the first support beam 2 are transversely arranged in the frame 1, fixing frames 4 are respectively arranged around the top of the second support beam 3, and a plurality of fixing frames 4 form a zigzag structure, a honeycomb structure 5 is arranged between the fixing frames 4 and the frame 1, a plurality of supporting devices 6 are arranged between the second support beam 3 and the first support beam 2, a plurality of damping devices are arranged between the bottom of the first support beam 2 and the bottom in the frame 1, each damping device includes a bottom plate 7, support columns three 8 are respectively arranged at two ends of the top of the bottom plate 7, a first support plate 9 is transversely arranged between the tops of the support columns three 8 at two ends, and a fourth support column 10 is inserted in the middle of the first support plate 9, the top of the support column IV 10 penetrates through the support plate I9 and extends to the bottom of the support beam I2, the bottom of the support column IV 10 penetrates through the support plate I9 and extends to the lower part of the support plate I9, an inverted U-shaped support plate 11 is arranged at the bottom of the support column IV 10, a support rod I12 is arranged in the middle of a U-shaped groove at the bottom of the U-shaped support plate 11, a fixed block II 13 is arranged at the bottom of the support rod I12, a pressing plate 14 is arranged at the bottom of the fixed block II 13, a support spring II 15 is arranged between the bottom of the pressing plate 14 and the top of the bottom plate 7, a semi-cylinder 16 matched with the side edge of the U-shaped support plate 11 is arranged between the support columns III 8 at two ends and positioned at the outer side of the lower part of the U-shaped support plate 11, support plates II 17 are arranged at two ends of the support plate I17, two 18 corresponding side upper portions of both ends branch all are equipped with compression spring 19, compression spring 19 is keeping away from the one end of two 18 branches is connected and is provided with connecting plate 20, the top of connecting plate 20 be equipped with 2 bottom matched with pulleys 21 of a supporting beam, just loose axle swing joint is passed through at the middle part of pulleys 21 the side tip of connecting plate 20, the bottom of connecting plate 20 is equipped with three fixed block 22, just three fixed block 22 are fixed the top of a backup pad 9, the both sides of bottom plate 7 all are equipped with support column 23, the top of support column 23 just is located the bottom tip of a supporting beam 2 all is equipped with two 24 of support column, just two 24 of support column with be equipped with one 25 of support spring between the support column 23.
In the second embodiment, as shown in fig. 2, the honeycomb structure 5 is filled with concrete steel bars, a column structure is formed between the fixing frame 4 and the four ends of the frame 1, and cement is poured into the column structure.
In the third embodiment, as shown in fig. 4, two ends of the bottom plate 7 are provided with fixing plates 26, and the fixing plates 26 are fixed at corresponding ends of the bottom in the frame 1.
In the fourth embodiment, as shown in fig. 5, the supporting device 6 includes a third supporting plate 27, a first fixing column 28, a fifth supporting column 29, a second fixing column 30, a top plate 31, and a plurality of third fixing columns 32 and a bracket 33.
In an embodiment five, as shown in fig. 5, the supporting plate three 27 is fixed on the top of the supporting beam one 2 by a plurality of screws, the fixed column one 28 is arranged at the center of the top of the supporting plate three 27, the supporting column five 29 is arranged in the middle of the top of the fixed column one 28, the fixed column two 30 is arranged on the top of the supporting column five 29, the top plate 31 is arranged on the top of the fixed column two 30, and the top plate 31 is fixed on the bottom of the supporting beam two 3 by a plurality of screws.
In the sixth embodiment, as shown in fig. 5, the third fixing posts 32 are disposed on the top and the bottom of the two sides of the fifth supporting post 29, and the sides of the third fixing posts 32 on the two sides and far away from the fifth supporting post 29 are fixed to the side end of the top of the first fixing post 28 and the side end of the bottom of the second fixing post 30 through the bracket 33.
In a seventh embodiment, as shown in fig. 6, a buffer device is arranged between every two adjacent fixing columns 32, and the buffer device includes a fixing block four 34, a limiting block 35, a supporting rod one 36, a fixing block five 37, a supporting rod two 38, a U-shaped clamping block 39, a connecting column 40, a spring one 41 and a spring two 42.
In an eighth embodiment, as shown in fig. 6, the fourth fixing block 34 is fixed to the top of the third fixing column 32, the limiting block 35 is embedded in the fourth fixing block 34, the first supporting rod 36 is arranged at the top of the limiting block 35, the first supporting rod 36 penetrates through the fourth fixing block 34 and extends to the position above the fourth fixing block 34, the fifth fixing block 37 is arranged at the top of the first supporting rod 36, the second supporting rod 38 is arranged at the top of the fifth fixing block 37, the inverted U-shaped clamping block 39 is arranged at the top of the second supporting rod 38, the connecting column 40 is arranged at the top of the U-shaped clamping block 39, the top of the connecting column 40 is fixed to the bottom of the third fixing column 32, the first spring 41 is sleeved on the surface of the second supporting rod 38, and the second spring 42 is sleeved on the surface.
The specific working principle is as follows: the frame 1 with the hollow structure is formed by pouring reinforced concrete in a pouring mode, the first supporting beam 2 and the second supporting beam 3 are arranged in the frame 1, the first supporting beam 2 and the second supporting beam 3 are internally provided with reinforcing steel bar pieces, the honeycomb structure 5 is arranged on the periphery of the top of the second supporting beam 3, the multi-face structure of the honeycomb structure 5 can play a good supporting effect and increase the stress surface, meanwhile, cement is poured in the fixing frame 4, a plurality of supporting devices 6 are arranged between the bottom of the second supporting beam 3 and the top of the first supporting beam 2, the supporting effect can be achieved, the overall firmness of the frame 1 is increased, meanwhile, a plurality of damping devices arranged between the bottom of the first supporting beam 2 and the bottom in the frame 1 can play a good buffering and supporting effect, the problem that the external excessive pressure causes the frame 1 to be scattered is avoided, and potential safety hazards exist, the foundation pit collapse accident can be avoided.
The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.
Claims (9)
1. The foundation pit enclosure structure in the green land is characterized by comprising a frame (1), wherein a first supporting beam (2) and a second supporting beam (3) positioned above the first supporting beam (2) are transversely arranged in the frame (1), fixing frames (4) are arranged on the periphery of the top of the second supporting beam (3), a plurality of fixing frames (4) form a square-shaped structure, a honeycomb structure (5) is arranged between the fixing frames (4) and the frame (1), a plurality of supporting devices (6) are arranged between the second supporting beam (3) and the first supporting beam (2), a plurality of damping devices are arranged between the bottom of the first supporting beam (2) and the bottom in the frame (1), each damping device comprises a bottom plate (7), supporting columns III (8) are arranged at two ends of the top of the bottom plate (7), and a supporting plate I (9) is transversely arranged between the tops of the supporting columns III (8) at two ends, the middle of the first supporting plate (9) is provided with four supporting columns (10) in an inserting mode, the tops of the four supporting columns (10) penetrate through the first supporting plate (9) and extend to the bottom of the first supporting beam (2), the bottoms of the four supporting columns (10) penetrate through the first supporting plate (9) and extend to the lower portion of the first supporting plate (9), the bottom of the four supporting columns (10) is provided with an inverted U-shaped supporting plate (11), the middle of a U-shaped groove in the bottom of the U-shaped supporting plate (11) is provided with a first supporting rod (12), the bottom of the first supporting rod (12) is provided with a second fixing block (13), the bottom of the second fixing block (13) is provided with a pressing plate (14), a second supporting spring (15) is arranged between the bottom of the pressing plate (14) and the top of the bottom plate (7), and semi-cylinders (16) matched with the side edges of the U-shaped supporting plate (11) are arranged between the three supporting columns (8, the two ends of the first supporting plate (9) are respectively provided with a second supporting plate (17), one end of the second supporting plate (17) far away from the first supporting plate (9) is respectively provided with a second supporting rod (18), the upper parts of the corresponding side edges of the second supporting rods (18) at the two ends are respectively provided with a compression spring (19), one end of the compression spring (19) far away from the second supporting rod (18) is connected with a connecting plate (20), the top of the connecting plate (20) is provided with a pulley (21) matched with the bottom of the first supporting beam (2), the middle part of the pulley (21) is movably connected with the end part of the side edge of the connecting plate (20) through a movable shaft, the bottom of the connecting plate (20) is provided with a third fixing block (22), the third fixing block (22) is fixed at the top of the first supporting plate (9), and the two sides of the, and a second supporting column (24) is arranged above the first supporting column (23) and at the bottom end part of the first supporting beam (2), and a first supporting spring (25) is arranged between the second supporting column (24) and the first supporting column (23).
2. An underground foundation pit enclosure structure in the green land according to claim 1, characterized in that the honeycomb structure (5) is filled with concrete reinforcing bars, a column structure is formed between the fixing frame (4) and the four ends of the frame (1), and cement is poured in the column structure.
3. An underground pit enclosure in a green space according to claim 1 characterized in that the bottom plate (7) has fixing plates (26) at both ends and the fixing plates (26) are fixed at the corresponding ends of the bottom in the frame (1).
4. An underground pit enclosure as claimed in claim 1, characterised in that the support means (6) comprises support plate three (27), anchor column one (28), support column five (29), anchor column two (30), roof plate (31) and a number of anchor columns three (32) and brackets (33).
5. An underground pit enclosure structure in the greenbelt according to claim 4, characterized in that the supporting plate three (27) is fixed on the top of the supporting beam one (2) through a plurality of screws, the top center of the supporting plate three (27) is provided with the fixing column one (28), the top middle part of the fixing column one (28) is provided with the supporting column five (29), the top of the supporting column five (29) is provided with the fixing column two (30), the top of the fixing column two (30) is provided with the top plate (31), and the top plate (31) is fixed on the bottom of the supporting beam two (3) through a plurality of screws.
6. An underground foundation pit enclosure structure in the green land as claimed in claim 5, wherein the top and bottom of the five supporting columns (29) are provided with the third fixing columns (32), and the side of the third fixing columns (32) on two sides and far away from the five supporting columns (29) is fixed with the top side end of the first fixing column (28) and the bottom side end of the second fixing column (30) through the bracket (33).
7. An underground foundation pit enclosure structure in a green land as claimed in claim 6, wherein a buffer device is arranged between every two adjacent fixing columns III (32), and the buffer device comprises a fixing block IV (34), a limiting block (35), a supporting rod I (36), a fixing block V (37), a supporting rod II (38), a U-shaped fixture block (39), a connecting column (40), a spring I (41) and a spring II (42).
8. An in-green pit envelope in a green land according to claim 7, the fourth fixed block (34) is fixed at the top of the third fixed column (32), the limit block (35) is embedded in the fourth fixed block (34), the top of the limit block (35) is provided with the first support rod (36), the first support rod (36) penetrates through the fourth fixing block (34) and extends to the upper part of the fourth fixing block (34), the top of the first supporting rod (36) is provided with a fifth fixing block (37), the top of the fifth fixing block (37) is provided with a second supporting rod (38), an inverted U-shaped fixture block (39) is arranged at the top of the second supporting rod (38), the connecting column (40) is arranged at the top of the U-shaped fixture block (39), and the top of the connecting column (40) is fixed at the bottom of the fixing column III (32).
9. An underground pit enclosure as claimed in claim 8, wherein the surface of the second support rod (38) is sleeved with a first spring (41), and the surface of the first support rod (36) is sleeved with a second spring (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910260681.8A CN109972626B (en) | 2019-04-02 | 2019-04-02 | Foundation pit enclosure structure in green land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910260681.8A CN109972626B (en) | 2019-04-02 | 2019-04-02 | Foundation pit enclosure structure in green land |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109972626A CN109972626A (en) | 2019-07-05 |
| CN109972626B true CN109972626B (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910260681.8A Expired - Fee Related CN109972626B (en) | 2019-04-02 | 2019-04-02 | Foundation pit enclosure structure in green land |
Country Status (1)
| Country | Link |
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| CN (1) | CN109972626B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110859457A (en) * | 2019-12-10 | 2020-03-06 | 江苏凯帝农业科技发展有限公司 | New forms of energy technology development popularization device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1396361A (en) * | 1972-02-10 | 1975-06-04 | Hudswell Morrice Ltd | Trench shoring frame |
| CN207700196U (en) * | 2017-12-07 | 2018-08-07 | 中鑫建设集团有限公司 | A kind of foundation pit supporting beam and internal support of foundation pit structure |
| CN208105275U (en) * | 2018-01-10 | 2018-11-16 | 中国煤炭地质总局水文地质局 | A kind of well pattern foundation pit supporting structure |
| CN208518448U (en) * | 2018-06-12 | 2019-02-19 | 漳州聚能量信息技术有限公司 | A kind of foundation pit enclosure structure |
| CN109098180A (en) * | 2018-07-22 | 2018-12-28 | 绿山高科建设科技有限公司 | A kind of building foundation pit assembly support construction for preventing foundation pit from collapsing |
| CN109371977B (en) * | 2018-10-18 | 2021-05-11 | 北京北建大科技园发展有限公司 | Multilayer building foundation pit protection structure |
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2019
- 2019-04-02 CN CN201910260681.8A patent/CN109972626B/en not_active Expired - Fee Related
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Granted publication date: 20201020 |