CN210421112U - Foundation ditch SMW worker method stake supporting construction - Google Patents
Foundation ditch SMW worker method stake supporting construction Download PDFInfo
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- CN210421112U CN210421112U CN201921227222.1U CN201921227222U CN210421112U CN 210421112 U CN210421112 U CN 210421112U CN 201921227222 U CN201921227222 U CN 201921227222U CN 210421112 U CN210421112 U CN 210421112U
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- shaped steel
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- pile
- foundation ditch
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 239000004568 cement Substances 0.000 claims abstract description 20
- 239000002689 soil Substances 0.000 claims description 4
- 239000003831 antifriction material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 235000001270 Allium sibiricum Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a foundation ditch SMW worker method stake supporting construction, including cement mixing pile and foundation ditch earth's surface, cement mixing pile is located one side of foundation ditch earth's surface, and cement mixing pile's inside is provided with H shaped steel, and the top of H shaped steel is provided with the enclosure roof beam, and the H shaped steel is provided with the prestressed anchorage cable with the junction fixedly connected with of enclosure roof beam, and the inside of foundation ditch earth's surface is provided with the filling hole, and the inside of filling hole is provided with first cast-in-place concrete, and the inside of first cast-in-place concrete is provided with the fixed hole, and the inside of fixed hole is provided with second cast-in-place. According to the foundation pit SMW construction method pile supporting structure, the pre-stressed anchor cable is well fixed through the design of the first pouring concrete and the second pouring concrete, so that the supporting effect of the pre-stressed anchor cable is improved, wherein the first pouring concrete reinforces the periphery of the fixed end of the pre-stressed anchor cable, and the supporting effect of the pre-stressed anchor cable is greatly prevented from being influenced by geological subsidence.
Description
Technical Field
The utility model relates to a excavation supporting technical field specifically is a foundation ditch SMW worker method stake supporting construction.
Background
In the construction of coastal backfill area buildings, an enclosure retaining mode of foundation pit supporting engineering is adopted, in the foundation pit engineering construction of coastal backfill areas in the past in China, a punched cast-in-place pile is often adopted or an SMW construction method pile is adopted to be combined with an inner support of a foundation pit to support the foundation pit, when the punched cast-in-place pile is adopted to support the foundation pit, an enclosure structure is firm and difficult to chisel, and has large adverse effects on parts which need to be excavated in the future, and the mode needs to additionally add a high-pressure jet grouting pile or a cement mixing pile to be used as water stop, needs to consume a large amount of steel bars and concrete, has high manufacturing cost, and when the SMW construction method pile and the prestressed anchor cable are adopted to support the foundation pit, when the prestressed anchor cable and an anchoring section of the ground of the foundation pit sink, the supporting effect of the prestressed anchor cable and.
Therefore, a foundation pit SMW construction method pile support structure is now proposed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a foundation ditch SMW worker method stake supporting construction has solved the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a foundation ditch SMW worker method stake supporting construction, includes cement mixing pile and foundation ditch earth's surface, cement mixing pile is located one side of foundation ditch earth's surface, cement mixing pile's inside is provided with H shaped steel, H shaped steel's top is provided with enclosure roof beam, the junction fixedly connected with prestressed anchorage cable of H shaped steel and enclosure roof beam, the inside of foundation ditch earth's surface is provided with the filling hole, the inside of filling hole is provided with first cast-in-place concrete, the inside of first cast-in-place concrete is provided with the fixed pit, the inside of fixed pit is provided with the second cast-in-place concrete.
Optionally, the enclosure ring beam is closed and built on the cement soil mixing pile and the H-shaped steel along the horizontal direction.
Optionally, the prestressed anchor cable is a recoverable anchor cable.
Optionally, the outer surface of the H-shaped steel is provided with a friction reducer.
Optionally, one end of the prestressed anchor cable, which is far away from the containment ring beam, is located inside the second poured concrete.
(III) advantageous effects
The utility model provides a foundation ditch SMW worker method stake supporting construction possesses following beneficial effect:
1. according to the foundation pit SMW construction method pile supporting structure, the pre-stressed anchor cable is well fixed through the design of the first pouring concrete and the second pouring concrete, so that the supporting effect of the pre-stressed anchor cable is improved, wherein the first pouring concrete reinforces the periphery of the fixed end of the pre-stressed anchor cable, and the supporting effect of the pre-stressed anchor cable is greatly prevented from being influenced by geological subsidence.
2. According to the foundation pit SMW construction method pile supporting structure, the supporting mode that the SMW construction method piles are combined with the prestressed anchor cables is adopted, the situation that the piles are difficult to chive in the later period when punched cast-in-place piles are used for supporting is avoided, and for projects developed in stages, underground structures in different development periods are favorably communicated, wherein H-shaped steel can be recycled after the construction of a basement structure is completed, the prestressed anchor cables can also be recycled, so that the utilization rate of resources is improved, and the cost is reduced.
Drawings
Fig. 1 is a schematic view of the main sectional structure of the present invention.
In the figure: 1. mixing the cement soil with the pile; 2. the ground surface of the foundation pit; 3. h-shaped steel; 4. a containment ring beam; 5. a pre-stressed anchor cable; 6. filling a pit; 7. first pouring concrete; 8. a fixing pit; 9. and second pouring concrete.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, the present invention provides a technical solution: a foundation pit SMW construction method pile supporting structure comprises a cement mixing pile 1 and a foundation pit ground surface 2, wherein the cement mixing pile 1 is located on one side of the foundation pit ground surface 2, H-shaped steel 3 is arranged inside the cement mixing pile 1, an antifriction agent is arranged on the outer surface of the H-shaped steel 3, an enclosure ring beam 4 is arranged at the top of the H-shaped steel 3, the enclosure ring beam 4 is constructed on the cement mixing pile 1 and the H-shaped steel 3 in a sealed mode in the horizontal direction, a prestressed anchor cable 5 is fixedly connected to the joint of the H-shaped steel 3 and the enclosure ring beam 4, the prestressed anchor cable 5 is a recyclable anchor cable, a pouring pit 6 is arranged inside the foundation pit ground surface 2, first pouring concrete 7 is arranged inside the pouring pit 6, a fixing pit 8 is arranged inside the first pouring concrete 7, second pouring concrete 9 is arranged inside the fixing pit 8, and one end, far away from the enclosure ring beam 4, of the anchor cable 5 is located inside the second pouring concrete.
Further, the insertion mode of the H-shaped steel 3 is a close insertion type, that is, one H-shaped steel 3 is inserted into each cement mixing pile wall 1.
Further, the thickness of the antifriction agent coated on the outer surface of the H-shaped steel 3 is 2 mm.
Further, the density of the second casting concrete 9 is greater than the density of the first casting concrete 7.
The cement mixing pile 1 and the H-shaped steel 3 (namely the pile in the SMW method) adopt the construction method in the prior art, wherein the simple construction steps of the ground surface fixed end of the prestressed anchor cable 5 are as follows:
(1) excavating a pouring pit 6 on the ground surface 2 of the foundation pit;
(2) pouring first pouring concrete 7 into the pouring pit 6;
(3) excavating a fixing pit 8 from the upper surface of the first poured concrete 7;
(4) one end of a prestressed anchor cable 5 is placed in a fixing pit 8 and is fixed by an anchor rod and the like;
(5) and pouring second pouring concrete 9 into the fixing pit 8.
In summary, the foundation pit SMW construction method pile supporting structure has the advantages that the first pouring concrete 7 and the second pouring concrete 9 are designed to achieve a good fixing effect on the prestressed anchor cable 5, so that the supporting effect of the prestressed anchor cable 5 is improved, the first pouring concrete 7 strengthens the periphery of the fixed end of the prestressed anchor cable 5, the supporting effect of the prestressed anchor cable 5 is greatly avoided being influenced due to geological subsidence, the supporting mode that the SMW construction method pile is combined with the prestressed anchor cable 5 is adopted, the situation that the pile is difficult to chisel in the later period when the punched pouring pile is used for supporting is avoided, the underground structures in different development periods are favorably communicated for the engineering developed in different periods, the H-shaped steel 3 can be recycled after the construction of the basement structure is completed, the prestressed anchor cable 5 can also be recycled, and the utilization rate of resources is improved, the cost is reduced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a foundation ditch SMW worker method stake supporting construction, includes soil cement mixing pile (1) and foundation ditch earth's surface (2), its characterized in that: the cement mixing pile is characterized in that the cement mixing pile (1) is located on one side of a foundation pit earth surface (2), H-shaped steel (3) is arranged inside the cement mixing pile (1), an enclosure ring beam (4) is arranged at the top of the H-shaped steel (3), a prestressed anchor cable (5) is fixedly connected to the joint of the H-shaped steel (3) and the enclosure ring beam (4), a filling pit (6) is arranged inside the foundation pit earth surface (2), first filling concrete (7) is arranged inside the filling pit (6), a fixing pit (8) is arranged inside the first filling concrete (7), and second filling concrete (9) is arranged inside the fixing pit (8).
2. The foundation pit SMW construction method pile supporting structure according to claim 1, characterized in that: the enclosure ring beam (4) is closed and built on the cement soil mixing pile (1) and the H-shaped steel (3) along the horizontal direction.
3. The foundation pit SMW construction method pile supporting structure according to claim 1, characterized in that: the prestressed anchor cable (5) is a recoverable anchor cable.
4. The foundation pit SMW construction method pile supporting structure according to claim 1, characterized in that: and the outer surface of the H-shaped steel (3) is provided with an antifriction agent.
5. The foundation pit SMW construction method pile supporting structure according to claim 1, characterized in that: one end of the prestressed anchor cable (5) far away from the enclosure ring beam (4) is positioned in the second poured concrete (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921227222.1U CN210421112U (en) | 2019-07-31 | 2019-07-31 | Foundation ditch SMW worker method stake supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921227222.1U CN210421112U (en) | 2019-07-31 | 2019-07-31 | Foundation ditch SMW worker method stake supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210421112U true CN210421112U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921227222.1U Active CN210421112U (en) | 2019-07-31 | 2019-07-31 | Foundation ditch SMW worker method stake supporting construction |
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| Country | Link |
|---|---|
| CN (1) | CN210421112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174995A (en) * | 2021-04-12 | 2021-07-27 | 浙江交工地下工程有限公司 | Construction method of TRD composite type enclosure comprehensive pipe gallery close to river channel |
-
2019
- 2019-07-31 CN CN201921227222.1U patent/CN210421112U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174995A (en) * | 2021-04-12 | 2021-07-27 | 浙江交工地下工程有限公司 | Construction method of TRD composite type enclosure comprehensive pipe gallery close to river channel |
| CN113174995B (en) * | 2021-04-12 | 2022-06-21 | 浙江交工地下工程有限公司 | Construction method of TRD composite type enclosure comprehensive pipe gallery close to river channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200824 Address after: 410000, 12 floor, 1201-1232 floor, building complex, building 788, Furong South Road, No. 1, Furong Road, Hunan, Changsha Patentee after: HNCEG COMMUNICATIONS CONSTRUCTION Co.,Ltd. Address before: Office room 1201-1232, comprehensive building, new construction city, 788, Section 1, Furong South Road, Tianxin District, Changsha City, Hunan Province Co-patentee before: Xu Zhiqiang Patentee before: Hu Fugui Co-patentee before: Zhang Hongliang Co-patentee before: Huang Jun Co-patentee before: Cai Xin |
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| TR01 | Transfer of patent right |