CN210031845U - Steel pipe pile anchor and slope releasing cooperative supporting structure - Google Patents
Steel pipe pile anchor and slope releasing cooperative supporting structure Download PDFInfo
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- CN210031845U CN210031845U CN201920579753.0U CN201920579753U CN210031845U CN 210031845 U CN210031845 U CN 210031845U CN 201920579753 U CN201920579753 U CN 201920579753U CN 210031845 U CN210031845 U CN 210031845U
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Abstract
The utility model provides a steel pipe pile anchor with put slope supporting construction in coordination, includes foundation ditch, prestressed anchorage cable, puts slope supporting construction, steel pipe pile anchor supporting construction, foundation ditch upper portion slope is established and is put slope supporting construction, the vertical lateral wall in lower part sets up steel pipe pile anchor supporting construction, sets up the horizontally platform between putting slope supporting construction and the steel pipe pile anchor supporting construction and connects the transition. The utility model discloses can solve the technical problem that current support system is complete poor, with high costs, inefficiency.
Description
Technical Field
The utility model relates to a foundation ditch geotechnical engineering excavation supporting system field specifically is a steel pipe stake anchor and put slope supporting construction in coordination.
Background
For foundation pit supporting engineering with a soft soil layer on the side wall of a foundation pit, two main modes of slope support and pouring support are adopted at present.
The slope-caving supporting mode is poor in safety, the earth excavation and backfilling amount is large, and meanwhile the compaction degree after backfilling cannot be guaranteed.
The cast-in-place pile support mode is adopted, although the safety is high, the construction cost is high, and the construction period is long.
The prior art has poor safety, high cost and low efficiency.
Disclosure of Invention
In order to overcome the defect and not enough of above-mentioned technique, the utility model provides a steel pipe stake anchor with put slope supporting construction in coordination can solve the technical problem that current supporting system is complete poor, with high costs, inefficiency.
The utility model provides a steel pipe pile anchor with put slope supporting construction in coordination, includes foundation ditch, prestressed anchorage cable, puts slope supporting construction, steel pipe pile anchor supporting construction, foundation ditch upper portion slope sets up put slope supporting construction, the vertical lateral wall setting in lower part steel pipe pile anchor supporting construction, put the slope supporting construction with set up the horizontally platform between the steel pipe pile anchor supporting construction and connect the transition.
The platform connection length is 2 meters.
The slope-releasing supporting structure is characterized in that concrete layers are arranged on the slope surface and the top edge of the foundation pit; and a concrete layer is arranged on the upper surface of the platform.
The steel pipe pile anchor supporting structure is characterized in that a plurality of vertically arranged steel pipe piles are arranged on the surface of a soil body in a pressing mode on the vertical side wall of a foundation pit, the top end of each steel pipe pile is fixedly connected through a transverse steel pipe pile crown beam, and the steel pipe pile crown beam and the steel pipe piles are fixed in the soil body on the periphery of the foundation pit through the prestressed anchor cables in a downward inclined pulling mode.
The cross section of the steel pipe pile crown beam is a right-angle trapezoid with a small upper part and a large lower part.
Four edges of the right trapezoid steel pipe pile crown beam are internally provided with longitudinal bars along the supporting length respectively, the outer sides of the longitudinal bars are provided with a circle of closed stirrups, and the stirrups are arranged into a plurality of circles in the length direction of the steel pipe pile crown beam.
And steel bar meshes are hung on the upper parts of the outer sides of the steel pipe piles in the row, and concrete surface layers are poured to connect the steel pipe piles and the steel bar meshes into a whole.
The prestressed anchor cable is fixed on the steel pipe pile crown beam and the concrete surface layer on the outer side of the steel pipe pile through an anchor head; the steel pipe pile crown beam, the steel pipe pile and the prestressed anchor cable are fixedly connected through concrete pouring.
The lower section of the prestressed anchor cable is sleeved with a sleeve.
The utility model discloses there is following positive beneficial effect:
the utility model discloses can reduce cost, shorten construction period, can ensure supporting construction's safety again, improve excavation supporting construction stability.
The blindness of construction units using the miniature piles can be reduced, and the advantages of the steel pipe piles are fully utilized in the construction process. Because the side wall of the lower part of the foundation pit has poor soft soil, the sliding of the poor soft soil can be effectively controlled by utilizing the rigidity of the steel pipe pile at the lower part and combining the pre-stressing force of the pre-stressed anchor cable, and the collapse of the poor soft soil is prevented.
Because steel-pipe pile top, the foundation pit soil integument of putting the slope are removed, can reduce the initiative soil pressure that the steel-pipe pile received, the plane of operation can also be provided for the constructor to the double-deck platform simultaneously, has improved the overall stability of structure promptly and can be convenient for construct again.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a reinforcing bar diagram of the crown beam of the present invention;
FIG. 3 is a big sample view of the steel pipe pile crown beam anchor head of the present invention;
fig. 4 is a big sample of the anchor head of the waist rail of the steel pipe pile.
The reference numbers: 1-slope-caving supporting structure, 2-platform, 3-steel pipe pile, 4-steel pipe pile crown beam, 5-prestressed anchor cable, 6-steel pipe pile anchor supporting structure, 7-longitudinal bar, 8-stirrup and 9-reinforcing mesh.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
The following examples are given for the purpose of illustrating the present invention in a clear manner and are not intended to limit the scope of the present invention. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art based on the following description, and it is within the spirit of the present invention that such variations and modifications are within the scope of the present invention.
Referring to the figures, the cooperative supporting structure of the steel pipe pile anchor and the slope includes a foundation pit, a prestressed anchor cable 5, a slope supporting structure 1 and a steel pipe pile anchor supporting structure 6, wherein the slope of the upper portion of the foundation pit is provided with the slope supporting structure 1, the vertical side wall of the lower portion of the foundation pit is provided with the steel pipe pile anchor supporting structure 6, and a horizontal platform 2 is arranged between the slope supporting structure 1 and the steel pipe pile anchor supporting structure 6 for connection and transition.
The platform 2 is connected for 2 meters.
Referring to fig. 1, the slope-releasing supporting structure 1 is formed by arranging concrete layers on the slope surface and the top edge of the foundation pit; and a concrete layer is arranged on the upper surface of the platform 2.
The steel pipe pile anchor supporting structure 6 is characterized in that a plurality of vertically arranged steel pipe piles 3 are arranged on the surface of a soil body pressed on the vertical side wall of the foundation pit, the top ends of the steel pipe piles 3 are fixedly connected through a transverse steel pipe pile crown beam 4, and the steel pipe pile crown beam 4 and the steel pipe piles 3 are obliquely fixed in the soil body at the periphery of the foundation pit downwards through the prestressed anchor cables 5.
Referring to fig. 2, the cross section of the steel pipe pile crown beam 4 is a right trapezoid with a small upper part and a large lower part.
Referring to fig. 2, longitudinal bars 7 are arranged in four corners of the right trapezoid steel pipe pile crown beam 4 along the supporting length, a circle of closed stirrups 8 is arranged around the outer side of each longitudinal bar 7, and the stirrups 8 are arranged in multiple circles in the length direction of the steel pipe pile crown beam 4.
And a steel bar net piece 9 is hung on the upper part of the outer side of the steel pipe piles 3 in the row, and a concrete surface layer is poured to connect the steel pipe piles 3 and the steel bar net piece 9 into a whole.
Referring to fig. 3 and 4, the prestressed anchor cable 5 is fixed on the steel pipe pile crown beam 4 and the concrete surface layer outside the steel pipe pile 3 through an anchor head; and the steel pipe pile crown beam 4, the steel pipe pile 3 and the prestressed anchor cable 5 are fixedly connected through concrete pouring.
And a sleeve is sleeved outside the lower section of the prestressed anchor cable 5.
The upper part of the foundation pit adopts a slope-setting supporting structure 1, and then is connected with a two-layer platform 2 of two meters, and then is connected with a foundation pit supporting system of the anchor-pulling type steel pipe pile, namely a steel pipe pile anchor supporting structure 6. Because steel-pipe pile top, the foundation pit soil body of putting the slope is removed, put the slope and strut and add two meters double-deck platform and can effectually reduce the effort of upper portion soil body to the lower part soil body, reduce the initiative soil pressure that the steel-pipe pile received, the double-deck platform can also provide the plane of operation for the constructor simultaneously, has improved the overall stability of structure promptly and can be convenient for construct again.
The steel pipe pile 3 is an existing piling steel pipe for a building.
Claims (9)
1. The utility model provides a steel pipe pile anchor with put slope supporting construction in coordination, includes foundation ditch, prestressed anchorage cable (5), puts slope supporting construction (1), steel pipe pile anchor supporting construction (6), its characterized in that, foundation ditch upper portion slope sets up put slope supporting construction (1), the vertical lateral wall setting in lower part steel pipe pile anchor supporting construction (6), put slope supporting construction (1) with set up horizontally platform (2) between steel pipe pile anchor supporting construction (6) and connect the transition.
2. A steel pipe pile anchor and landslide cooperative support structure according to claim 1, wherein the platform (2) is connected to a length of 2 meters.
3. The steel pipe pile anchor and slope putting cooperative supporting structure as claimed in claim 1, wherein the slope putting supporting structure (1) is to arrange a concrete layer on the slope surface and the top edge of the foundation pit; and a concrete layer is arranged on the upper surface of the platform (2).
4. The steel pipe pile anchor and slope descending cooperative support structure as claimed in claim 1, wherein the steel pipe pile anchor support structure (6) is formed by arranging a plurality of vertically arranged steel pipe piles (3) on the surface of the soil body pressed on the vertical side wall of the foundation pit, the top end of each steel pipe pile (3) is fixedly connected through a transverse steel pipe pile crown beam (4), and the steel pipe pile crown beams (4) and the steel pipe piles (3) are fixed in the soil body at the periphery of the foundation pit in a downward inclined manner through the prestressed anchor cables (5).
5. The steel pipe pile anchor and slope releasing cooperative support structure as claimed in claim 4, wherein the section of the steel pipe pile crown beam (4) is a right trapezoid with a small upper part and a big lower part.
6. A steel pipe pile anchor and slope releasing cooperative supporting structure as claimed in claim 5, wherein longitudinal bars (7) are arranged in four corners of the right trapezoid steel pipe pile crown beam (4) along the supporting length, a circle of closed stirrups (8) are arranged around the outer side of each longitudinal bar (7), and the stirrups (8) are arranged in a plurality of circles in the length direction of the steel pipe pile crown beam (4).
7. The steel pipe pile anchor and slope releasing cooperative support structure as claimed in claim 4, wherein a steel mesh (9) is hung on the upper portion of the outer side of the steel pipe piles (3) in a row, and a concrete surface layer is poured to connect the steel pipe piles (3) and the steel mesh (9) into a whole.
8. The steel pipe pile anchor and slope releasing cooperative support structure as claimed in claim 4, wherein the pre-stressed anchor cable (5) is fixed on the concrete surface layer outside the steel pipe pile crown beam (4) and the steel pipe pile (3) through anchor heads; the steel pipe pile crown beam (4), the steel pipe pile (3) and the prestressed anchor cable (5) are fixedly connected through concrete pouring.
9. The cooperative supporting structure of the steel pipe pile anchor and the slope as claimed in claim 8, wherein a sleeve is externally sleeved on the lower section of the pre-stressed anchor cable (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579753.0U CN210031845U (en) | 2019-04-25 | 2019-04-25 | Steel pipe pile anchor and slope releasing cooperative supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579753.0U CN210031845U (en) | 2019-04-25 | 2019-04-25 | Steel pipe pile anchor and slope releasing cooperative supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210031845U true CN210031845U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920579753.0U Active CN210031845U (en) | 2019-04-25 | 2019-04-25 | Steel pipe pile anchor and slope releasing cooperative supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210031845U (en) |
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2019
- 2019-04-25 CN CN201920579753.0U patent/CN210031845U/en active Active
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