CN213867831U - Double steel sheet pile is to excavation supporting construction who draws - Google Patents
Double steel sheet pile is to excavation supporting construction who draws Download PDFInfo
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- CN213867831U CN213867831U CN202021654761.6U CN202021654761U CN213867831U CN 213867831 U CN213867831 U CN 213867831U CN 202021654761 U CN202021654761 U CN 202021654761U CN 213867831 U CN213867831 U CN 213867831U
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Abstract
The utility model provides a double steel sheet pile is to excavation supporting construction who draws, include: the steel sheet piles are arranged in the front row, the steel sheet piles are arranged in the rear row, the counter-pull steel strands, the steel waist beams, the anchors and the brackets; the front row of steel sheet piles are arranged on the side facing the pit, the rear row of steel sheet piles are arranged in a soil body behind the front row of steel sheet piles, the front row of steel sheet piles and the rear row of steel sheet piles are tensioned by the counter-pull steel strands through the steel waist beams, the steel waist beams are placed on the side faces of the tops of the steel sheet piles through the brackets, and the anchorage device is used for anchoring the counter-pull steel strands. The utility model has the advantages that: through steel strand wires with the front stall steel sheet pile taut with the back stall steel sheet pile, exert a pulling force for the front stall steel sheet pile in other words, can control the deformation of front stall steel sheet pile better like this for the effective supporting depth increase of steel sheet pile, application scope is wider, can extract the steel sheet pile after foundation ditch construction is accomplished simultaneously, carries out reuse, and reducible cost is a green and efficient supporting construction.
Description
Technical Field
The utility model relates to a foundation ditch engineering field especially relates to a double steel sheet pile is to excavation supporting construction who draws.
Background
With the rapid development of social economy, the quantity of automobiles allocated to families is rapidly increasing, basements arranged in urban buildings are more and more common, and foundation pit engineering is developed rapidly. To common degree of depth for 4 ~ 8 meters's foundation ditch engineering, when setting up single steel sheet pile and strut, often warp too big, can't satisfy relevant design standard requirement, and be unfavorable for environmental protection, and adopt drilling bored concrete pile or other support modes, often the cost is higher, still need establish the waterproof curtain in addition, and environmental protection inadequately.
Disclosure of Invention
In order to solve the problem, the utility model provides a double steel sheet pile is to excavation supporting construction who draws, include: the steel plate pile comprises a front row of steel plate piles, a rear row of steel plate piles, steel strands for counter-pulling, steel waist beams, anchors and brackets; the front row of steel sheet piles are arranged on the side near the pit, the rear row of steel sheet piles are arranged in soil mass behind the front row of steel sheet piles, and the steel waist beams are arranged on the side surfaces of the tops of the front row of steel sheet piles and the rear row of steel sheet piles through brackets; and two ends of the steel strand penetrate through the steel waist beam and are anchored to the steel waist beam through an anchorage device, and the steel strand is used for tensioning the front row of steel sheet piles and the rear row of steel sheet piles.
Furthermore, the steel strand is formed by stranding a plurality of prestressed steel strands with the diameter of 15.2 mm.
Furthermore, the front row of steel sheet piles are arranged by adopting locking port overlapping, and the double effects of soil retaining and water stopping are achieved.
Further, the distance between the rear row of steel sheet piles and the front row of steel sheet piles is not less than the depth of the foundation pit.
Furthermore, the lengths of the front row of steel sheet piles and the rear row of steel sheet piles are both 9-15 m.
Furthermore, the distance between the top of the front row of steel sheet piles and the distance between the top of the rear row of steel sheet piles and the ground is not less than 500 mm.
Further, the distance between the steel strands is 3-6 times the width of the front row of steel sheet piles or the rear row of steel sheet piles.
Furthermore, the steel waist beam is formed by welding two 22b channel steel through an anchor head bearing plate.
Further, the anchorage device adopts an QVM15-3 type anchorage device.
The utility model has the advantages that:
(1) the applicability is strong: the double-row steel sheet pile oppositely-pulling foundation pit supporting structure is suitable for common soil foundation pit engineering with the depth of 4-8 m and emergency engineering, has the characteristics of high construction speed, high supporting rigidity and the like, and is a foundation pit supporting structure with strong applicability.
(2) The safety effect is good: adopt the double steel sheet pile to the underground structure who draws, compare in support modes such as single steel sheet pile and soil nail wall, it is bigger to strut rigidity, and displacement control ability is better, and is less relatively to the influence of environment, has better safe effect.
(3) The comprehensive economic benefit is high: the double-row steel sheet pile oppositely-pulling foundation pit supporting structure is adopted, the steel sheet piles can be pulled out after the foundation pit construction is completed, the repeated utilization is carried out, the manufacturing cost can be reduced, the environment-friendly supporting structure is green, the construction speed of the steel sheet piles is high, and the construction period can be effectively saved.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a sectional view of a double-row steel sheet pile counter-pulling foundation pit supporting structure in an embodiment of the present invention;
fig. 2 is a plan view of a double-row steel sheet pile counter-pulling foundation pit supporting structure in the embodiment of the present invention;
fig. 3 is a schematic view of the connection between the steel waist rail 4 and the front row of steel sheet piles 1 or the rear row of steel sheet piles 2 in the embodiment of the present invention.
Wherein: 1-front row steel sheet pile, 2-rear row steel sheet pile, 3-diagonal steel strand, 4-steel waist beam, 5-anchor, 6-bracket, 7-pile top slope, 8-basement structure.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The embodiment of the utility model provides a double steel sheet pile is to excavation supporting construction who draws.
Please refer to fig. 1-3, fig. 1 is a sectional view of a double steel sheet pile pulling-in alignment for supporting a foundation pit in the embodiment of the present invention, fig. 2 is a plan view of a double steel sheet pile pulling-in alignment for supporting a foundation pit in the embodiment of the present invention, fig. 3 is a schematic view of a steel waist beam 4 connected to a front row steel sheet pile 1 or a rear row steel sheet pile 2 in the embodiment of the present invention, and the supporting structure for a foundation pit includes: the steel sheet pile comprises a front row of steel sheet piles 1, a rear row of steel sheet piles 2, steel strands 3 for opposite pulling, a steel waist beam 4, an anchorage device 5 and a bracket 6; the front row of steel sheet piles 1 are arranged on the side facing the pit, the rear row of steel sheet piles 2 are arranged in soil mass behind the front row of steel sheet piles 1, the steel strands 3 tension the front row of steel sheet piles 1 and the rear row of steel sheet piles 2 through steel wales 4, the steel wales 4 are installed on the top of the front row of steel sheet piles 1 and the side faces of the top of the rear row of steel sheet piles 2 through brackets 6, and the anchorage devices 5 are used for anchoring the steel strands 3.
The steel strand 3 is formed by stranding 3 prestressed steel strands with the diameter of 15.2 mm.
The front row of steel sheet piles 1 are arranged by adopting locking lap joint, and have double effects of soil retaining and water stopping.
The rear row of steel sheet piles 2 can be arranged at intervals or continuously according to the situation. In this embodiment, the rear row of steel sheet piles 2 are arranged at intervals, and the interval distance is 3 times the width of the rear row of steel sheet piles 2.
The length of the front row of steel sheet piles 1 is 12m, the length of the rear row of steel sheet piles 2 is 12m, and the width of the front row of steel sheet piles 1 is equal to that of the rear row of steel sheet piles 2. The distance between the rear row of steel sheet piles 2 and the front row of steel sheet piles 1 is 8 m.
The distance between the top of the front row of steel sheet piles 1 and the distance between the top of the rear row of steel sheet piles 2 and the ground are both 500 mm.
The distance between the opposite pull steel strands 3 is 3 times of the width of the front row of steel sheet piles 1 or the rear row of steel sheet piles 2.
The foundation pit supporting structure with the front row of steel sheet piles 1 and the rear row of steel sheet piles 2 oppositely pulled can adopt pile top slope setting 7 in a combined mode.
The steel wale 4 is formed by welding two 22b channel steel through anchor head bearing plates and is supported on the top side surfaces of the front row of steel sheet piles 1 and the rear row of steel sheet piles 2 through a bracket 6.
Said anchorage device 5 is generally an QVM15-3 type anchorage device.
The implementation steps of the double-row steel sheet pile counter-pulling foundation pit supporting structure are as follows: the method comprises the steps of leveling a field, finishing slope excavation to form a pile top slope 7, inserting a front row of steel sheet piles 1 and a rear row of steel sheet piles 2 by using a machine, constructing a bracket 6 and a steel waist beam 4, stretching and anchoring steel strands 3, and performing earth excavation after constructing a supporting structure.
The utility model has the advantages that:
(1) the applicability is strong: the double-row steel sheet pile oppositely-pulling foundation pit supporting structure is suitable for common soil foundation pit engineering with the depth of 4-8 m and emergency engineering, has the characteristics of high construction speed, high supporting rigidity and the like, and is a foundation pit supporting structure with strong applicability.
(2) The safety effect is good: adopt the double steel sheet pile to the underground structure who draws, compare in support modes such as single steel sheet pile and soil nail wall, it is bigger to strut rigidity, and displacement control ability is better, and is less relatively to the influence of environment, has better safe effect.
(3) The comprehensive economic benefit is high: the double-row steel sheet pile oppositely-pulling foundation pit supporting structure is adopted, the steel sheet piles can be pulled out after the foundation pit construction is completed, the repeated utilization is carried out, the manufacturing cost can be reduced, the environment-friendly supporting structure is green, the construction speed of the steel sheet piles is high, and the construction period can be effectively saved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides a double steel sheet pile is to excavation supporting construction who draws which characterized in that: the steel plate pile comprises a front row of steel plate piles (1), a rear row of steel plate piles (2), steel strands (3) for opposite pulling, a steel waist beam (4), an anchorage device (5) and a bracket (6); the front row of steel sheet piles (1) are arranged on the side close to the pit, and the rear row of steel sheet piles (2) are arranged in a soil body behind the front row of steel sheet piles (1); the steel wale (4) is arranged on the side surfaces of the tops of the front row of steel sheet piles (1) and the rear row of steel sheet piles (2) through a bracket (6); and two ends of the steel strand (3) penetrate through the steel wale (4) and are anchored to the steel wale (4) through an anchorage device (5) and used for tensioning the front row of steel sheet piles (1) and the rear row of steel sheet piles (2).
2. The double-row steel sheet pile counter-pulling foundation pit supporting structure as claimed in claim 1, wherein: the steel strand (3) is formed by stranding a plurality of prestressed steel strands with the diameter of 15.2 mm.
3. The double-row steel sheet pile counter-pulling foundation pit supporting structure as claimed in claim 1, wherein: the front row of steel sheet piles (1) are arranged by adopting locking port overlapping, and have double effects of soil retaining and water stopping.
4. The double-row steel sheet pile counter-pulling foundation pit supporting structure as claimed in claim 1, wherein: and the distance between the rear row of steel sheet piles (2) and the front row of steel sheet piles (1) is not less than the depth of the foundation pit.
5. The double-row steel sheet pile counter-pulling foundation pit supporting structure as claimed in claim 1, wherein: the lengths of the front row of steel sheet piles (1) and the rear row of steel sheet piles (2) are both 9-15 m.
6. The double-row steel sheet pile counter-pulling foundation pit supporting structure as claimed in claim 1, wherein: the distance between the top of the front row of steel sheet piles (1) and the distance between the top of the rear row of steel sheet piles (2) and the ground is not less than 500 mm.
7. The double-row steel sheet pile counter-pulling foundation pit supporting structure as claimed in claim 1, wherein: the distance between the steel strands (3) is 3-6 times of the width of the front row of steel sheet piles (1) or the rear row of steel sheet piles (2).
8. The double-row steel sheet pile counter-pulling foundation pit supporting structure as claimed in claim 1, wherein: the steel waist rail (4) is formed by welding two 22b channel steel through an anchor head bearing plate.
9. The double-row steel sheet pile counter-pulling foundation pit supporting structure as claimed in claim 1, wherein: the anchorage device (5) adopts an QVM15-3 type anchorage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021654761.6U CN213867831U (en) | 2020-08-10 | 2020-08-10 | Double steel sheet pile is to excavation supporting construction who draws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021654761.6U CN213867831U (en) | 2020-08-10 | 2020-08-10 | Double steel sheet pile is to excavation supporting construction who draws |
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| CN213867831U true CN213867831U (en) | 2021-08-03 |
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| CN202021654761.6U Active CN213867831U (en) | 2020-08-10 | 2020-08-10 | Double steel sheet pile is to excavation supporting construction who draws |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198726A (en) * | 2022-08-26 | 2022-10-18 | 广东电网有限责任公司 | Supporting structure |
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2020
- 2020-08-10 CN CN202021654761.6U patent/CN213867831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198726A (en) * | 2022-08-26 | 2022-10-18 | 广东电网有限责任公司 | Supporting structure |
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