CN219930934U - Soft soil foundation settlement control system - Google Patents
Soft soil foundation settlement control system Download PDFInfo
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- CN219930934U CN219930934U CN202321409648.5U CN202321409648U CN219930934U CN 219930934 U CN219930934 U CN 219930934U CN 202321409648 U CN202321409648 U CN 202321409648U CN 219930934 U CN219930934 U CN 219930934U
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- soft soil
- soil foundation
- drainage
- cofferdam
- control system
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- 239000002689 soil Substances 0.000 title claims abstract description 78
- 239000004576 sand Substances 0.000 claims abstract description 14
- 239000004575 stone Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000004927 clay Substances 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007596 consolidation process Methods 0.000 abstract description 6
- 238000005056 compaction Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 2
- 230000036316 preload Effects 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 12
- 238000010276 construction Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a soft soil foundation settlement control system, which belongs to the technical field of soft soil foundation reinforcement and comprises a drainage system and a pressurization system, wherein the drainage system and the pressurization system are both arranged above the soft soil foundation, the drainage system comprises a cofferdam fixedly arranged on the surface of the soft soil foundation, a sand stone layer is paved on the surface of the soft soil foundation, and a drainage plastic plate positioned inside the soft soil foundation is inserted below the sand stone layer. This soft soil foundation subsides control system falls into drainage system and pressurization system through setting up soft soil foundation dust fall control system, forms drainage system through setting up the inside drainage plastic slab cooperation grit bag that extends to soft soil foundation, absorbs the drainage, sets up simultaneously the clamp system that cofferdam, riser, apron and negative pressure plate are constituteed, promotes through the pneumatic cylinder and covers the clamp plate and applys the preload to soft soil foundation, compares in the clamp mode of dynamic compaction, can improve the pressurization drainage effect to soft soil foundation, improves soft soil foundation's consolidation efficiency.
Description
Technical Field
The utility model relates to the field of soft soil foundation reinforcement, in particular to a soft soil foundation settlement control system.
Background
In coastal areas of China, soft soil strata such as muddy soil with a certain depth are widely distributed, such as Tianjin, jiangsu, shanghai, zhejiang, guangdong and other areas, due to poor permeability of soft soil, settlement of foundations under the action of external load can be completed only by a long time, and after the buildings built on the foundations are completed and used for a period of time, the problem of large post-construction settlement often occurs, and long-term use requirements of building floors are difficult to meet.
Referring to the utility model with the publication number of CN206570788U, the system at least comprises a ramming device, pipe wells and drain boards, wherein the drain boards are inserted into the soft soil foundation, the insertion depth of the drain boards is larger than the soft soil layer bottom elevation of the soft soil foundation, the pipe wells are arranged in the soft soil foundation according to squares, submersible pumps are arranged in the pipe wells, the ramming device is arranged in the soft soil foundation, and ramming points of the ramming device are located around the pipe wells and are distributed in a dot shape uniformly. The utility model has the advantages that: the pre-compaction effect generated by the dewatering of the pipe well is used as the pre-compaction load of the foundation, so that the construction period is greatly shortened, and meanwhile, the construction cost can be greatly reduced; by inserting the drainage plate, the consolidation process of the deep soil body can be accelerated; the surface layer treatment adopts low-energy-level dynamic compaction treatment, so that the bearing capacity and deformation index of the shallow foundation can be greatly improved.
Based on the above prior art, the inventor has substantially proposed a drainage consolidation structure, by consolidating and draining soft soil abutment to reduce foundation settlement after construction, and after adopting the above technical scheme, the inventor has found that the above structure has at least the following problems, and the pressurized drainage mode by ramming with the ramming device, although reducing economic cost to a certain extent, soft soil foundation water between drainage plastic plates has the problem of transferring between drainage plastic plates, so that the ramming operation has poor pressurizing effect on soft soil foundation, and the distance between drainage wells needs to be reduced or the ramming surface needs to be enlarged, and therefore proposes a soft soil foundation settlement control system to solve the above proposed problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a soft soil foundation settlement control system which has the advantages of good pressurizing and draining effects and the like.
In summary, the present utility model provides the following technical solutions: the system comprises a soft soil foundation, a drainage system and a pressurization system, wherein the drainage system and the pressurization system are arranged above the soft soil foundation, the drainage system comprises a cofferdam fixedly installed on the surface of the soft soil foundation, a sand stone layer is paved on the surface of the soft soil foundation, and a drainage plastic plate positioned inside the soft soil foundation is inserted below the sand stone layer;
the pressurizing system comprises a vertical plate fixedly installed at the top of the cofferdam, a cover plate is fixedly installed at the top of the vertical plate, a sliding block is slidably installed at the bottom of the cover plate, a supporting rod is rotatably installed outside the sliding block, the supporting rod is far away from one end of the cover plate and is rotatably connected with a steel plate, and a covering plate is fixedly installed at the bottom of the steel plate.
By adopting the technical scheme, the pressurizing system has low economic cost for covering and pressurizing the soft soil foundation, and simultaneously has good pressurizing effect.
Further, the inside of drainage plastic slab is fixed to be inlayed and is equipped with grit bag.
By adopting the technical scheme, the water absorption effect of the drainage system can be improved.
Further, a clay layer is backfilled between the outer side of the cofferdam and the soft soil foundation, the cofferdam is arranged in a rectangular frame shape, and the clay layer is also arranged in a rectangular frame shape and is positioned on the outer side of the cofferdam.
By adopting the technical scheme, the setting stability of the cofferdam can be reinforced.
Further, a sliding rail is fixedly arranged at the bottom of the cover plate, and the sliding block is connected with the sliding rail in a sliding manner.
Through adopting above-mentioned technical scheme, through the restriction of slide rail for the sliding track of slider is stable.
Further, a hydraulic cylinder is fixedly installed on the vertical plate, and the output end of the hydraulic cylinder is fixedly connected with the sliding block.
By adopting the technical scheme, the extrusion pushing of the sliding block can be realized, and the pressurization is completed.
Further, the soft soil foundation is provided with a water tank, a water pipe is communicated between the water tank and the cofferdam, the top of the water tank is fixedly provided with a negative pressure pump, and the input end of the negative pressure pump extends into the water tank through a pipeline.
By adopting the technical scheme, the soft soil foundation can be squeezed and discharged water through the negative pressure pump to collect.
Further, the longitudinal section of the cofferdam is trapezoid, and the inner wall is provided with a cavity with the trapezoid section, so that the inner side of the cofferdam is an inclined plane.
By adopting the technical scheme, the drainage gap is pre-stored between the cover pressing plate and the cofferdam, and can be extruded and drained into the gap under the condition that the soft soil foundation is loaded.
This soft soil foundation subsides control system falls into drainage system and pressurization system through setting up soft soil foundation dust fall control system, forms drainage system through setting up the inside drainage plastic slab cooperation grit bag that extends to soft soil foundation, absorbs the drainage, sets up simultaneously the clamp system that cofferdam, riser, apron and negative pressure plate are constituteed, promotes through the pneumatic cylinder and covers the clamp plate and applys the preload to soft soil foundation, compares in the clamp mode of dynamic compaction, can improve the pressurization drainage effect to soft soil foundation, improves soft soil foundation's consolidation efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a side view of a drainage plastic panel of the present utility model;
FIG. 3 is a top view of the cofferdam of the present utility model;
fig. 4 is a bottom view of the cover plate of the present utility model.
Reference numerals illustrate:
1. a soft soil foundation; 2. a sand layer; 3. a drainage plastic plate; 4. a cofferdam; 5. a clay layer; 6. sand bags; 7. a cover pressing plate; 8. a vertical plate; 9. a steel plate; 10. a cover plate; 11. a slide rail; 12. a slide block; 13. a brace rod; 14. a hydraulic cylinder; 15. a water tank; 16. a water pipe; 17. a negative pressure pump.
Detailed Description
Referring to fig. 1-2, a soft soil foundation settlement control system in the present embodiment includes a drainage system and a pressurization system, the soft soil foundation settlement control system includes a soft soil foundation 1, a drainage system and a pressurization system, wherein the drainage system and the pressurization system are all disposed above the soft soil foundation 1, the drainage system includes a cofferdam 4 fixedly mounted on the surface of the soft soil foundation 1, the highest point of the cofferdam 4 is higher than a horizontal reference plane, and a sand stone layer 2 is laid on the surface of the soft soil foundation 1 located inside the cofferdam 4 for finishing the laying of the soft soil foundation 1, so that the pressurization system is convenient to set.
The lower part of the sand stone layer 2 is also inserted with a drainage plastic plate 3 positioned inside the soft soil foundation 1, the drainage plastic plate 3 is vertically inserted into the soft soil foundation 1 by a plate inserting machine to form a drainage channel similar to a pipe well, a sand stone bag 6 is fixedly embedded inside the drainage plastic plate 3, and the sand stone bag 6 is filled with rough yarns by a woven bag for water absorption and acceleration of foundation drainage consolidation.
Referring to fig. 3-4, the pressurizing system in this embodiment includes a vertical plate 8 fixedly installed at the top of the cofferdam 4, the vertical plate 8 is fixedly connected by extending a planted bar poured inside the cofferdam 4, a cover plate 10 is fixedly installed at the top of the vertical plate 8, a sliding block 12 is slidably installed at the bottom of the cover plate 10, a supporting rod 13 is rotatably installed at the outer part of the sliding block 12, a steel plate 9 is rotatably connected to one end, far away from the cover plate 10, of the supporting rod 13, a cover plate 7 is fixedly installed at the bottom of the steel plate 9, the cover plate 7 corresponds to the cofferdam 4, and load pre-pressing of the soft foundation 1 can be completed by pressing the cover plate 7.
And a clay layer 5 is backfilled between the outer side of the cofferdam 4 and the soft soil foundation 1, the cofferdam 4 is arranged in a rectangular frame shape, and the clay layer 5 is also arranged in a rectangular frame shape and positioned at the outer side of the cofferdam 4.
The bottom of the cover plate 10 is fixedly provided with a sliding rail 11, the sliding block 12 is slidably connected to the sliding rail 11, and the sliding track of the sliding block 12 is stable due to the limitation of the sliding rail 11.
It will be appreciated that the vertical plate 8 is fixedly provided with a hydraulic cylinder 14, and the output end of the hydraulic cylinder 14 is fixedly connected with the sliding block 12 for pulling the sliding block 12 to move.
The longitudinal section of the cofferdam 4 is trapezoidal, and the inner wall is provided with a cavity with the trapezoidal section, so that the inner side of the cofferdam 4 is an inclined plane, a drainage gap is reserved between the cover pressing plate 7 and the cofferdam 4, and the drainage gap can be extruded under the condition that the soft soil foundation 1 is loaded.
In order to discharge extrusion drainage, a water tank 15 is arranged on the soft soil foundation 1, a water pipe 16 is communicated between the water tank 15 and the cofferdam 4, a negative pressure pump 17 is fixedly installed at the top of the water tank 15, the input end of the negative pressure pump 17 extends into the water tank 15 through a pipeline, and the extrusion drainage water of the soft soil foundation 1 can be collected through the negative pressure pump 17.
The working principle of the embodiment is as follows:
the coarse yarn is filled in the woven bag to form the sand bag 6 which is fixed on the drainage plastic plate 3, the drainage plastic plate 3 is uniformly inserted into the soft soil foundation 1 through the board inserting machine to form a drainage system, the cofferdam 4 is arranged on the soft soil foundation 1 outside the drainage plastic plate 3 and then is backfilled and reinforced by the clay layer 5, the cover plate 10 is fixedly connected to the vertical plate 8, the hydraulic cylinder 14 is driven, the output end of the hydraulic cylinder 14 pushes the sliding block 12 to slide relative to the sliding rail 11, the sliding block 12 drives the supporting rod 13 to rotate under the sliding, the steel plate 9 and the pressing plate 7 are pressed on the soft soil foundation 1, in the pressing process, the negative pressure pump 17 is used for sucking, and the water pipe 16 is used for sucking the extrusion water on the inner side of the cofferdam 4 into the water tank 15, so that the consolidation of the soft soil foundation 1 is accelerated.
Claims (7)
1. The utility model provides a soft soil foundation subsides control system, includes soft soil foundation (1), drainage system and pressurization system, drainage system with the pressurization system all sets up in soft soil foundation (1) top, its characterized in that: the drainage system comprises a cofferdam (4) fixedly arranged on the surface of the soft soil foundation (1), a sand stone layer (2) is paved on the surface of the soft soil foundation (1), and a drainage plastic plate (3) positioned inside the soft soil foundation (1) is inserted below the sand stone layer (2);
the pressurizing system comprises a vertical plate (8) fixedly installed at the top of the cofferdam (4), a cover plate (10) is fixedly installed at the top of the vertical plate (8), a sliding block (12) is slidably installed at the bottom of the cover plate (10), a supporting rod (13) is rotatably installed outside the sliding block (12), the supporting rod (13) is far away from one end of the cover plate (10) and is rotatably connected with a steel plate (9), and a covering plate (7) is fixedly installed at the bottom of the steel plate (9).
2. A soft soil foundation settlement control system as claimed in claim 1, wherein: the inside of the drainage plastic plate (3) is fixedly embedded with a sand bag (6).
3. A soft soil foundation settlement control system as claimed in claim 1, wherein: the clay layer (5) is backfilled between the outer side of the cofferdam (4) and the soft soil foundation (1), the cofferdam (4) is arranged in a rectangular frame shape, and the clay layer (5) is also arranged in a rectangular frame shape and is positioned on the outer side of the cofferdam (4).
4. A soft soil foundation settlement control system as claimed in claim 1, wherein: the bottom of apron (10) fixed mounting has slide rail (11), slider (12) sliding connection in slide rail (11).
5. A soft soil foundation settlement control system as claimed in claim 1, wherein: the vertical plate (8) is fixedly provided with a hydraulic cylinder (14), and the output end of the hydraulic cylinder (14) is fixedly connected with the sliding block (12).
6. A soft soil foundation settlement control system as claimed in claim 1, wherein: the soft soil foundation (1) is provided with a water tank (15), a water pipe (16) is communicated between the water tank (15) and the cofferdam (4), the top of the water tank (15) is fixedly provided with a negative pressure pump (17), and the input end of the negative pressure pump (17) extends into the water tank (15) through a pipeline.
7. A soft soil foundation settlement control system as claimed in claim 1, wherein: the longitudinal section of the cofferdam (4) is trapezoid, and the inner wall of the cofferdam is provided with a cavity with the trapezoid section, so that the inner side of the cofferdam (4) is an inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321409648.5U CN219930934U (en) | 2023-06-05 | 2023-06-05 | Soft soil foundation settlement control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321409648.5U CN219930934U (en) | 2023-06-05 | 2023-06-05 | Soft soil foundation settlement control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219930934U true CN219930934U (en) | 2023-10-31 |
Family
ID=88489984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321409648.5U Active CN219930934U (en) | 2023-06-05 | 2023-06-05 | Soft soil foundation settlement control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219930934U (en) |
-
2023
- 2023-06-05 CN CN202321409648.5U patent/CN219930934U/en active Active
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