CN219470908U - Support pile and support pile system - Google Patents
Support pile and support pile system Download PDFInfo
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- CN219470908U CN219470908U CN202320433505.1U CN202320433505U CN219470908U CN 219470908 U CN219470908 U CN 219470908U CN 202320433505 U CN202320433505 U CN 202320433505U CN 219470908 U CN219470908 U CN 219470908U
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Abstract
The application relates to the field of building construction equipment, and provides a support pile and a support pile system, and includes: drilling, a steel pipe, a mould bag, at least two first grouting pipes, a second grouting pipe, a drain pipe and a separator, wherein the steel pipe is arranged in the drilling, and one side of the steel pipe, which faces the bottom of the drilling hole, is in a V-shaped structure; the mould bags are wrapped on the periphery of the steel pipe and are arranged in sections; the first grouting pipes extend into the inner side of the steel pipe, at least two grouting holes are formed in the steel pipe, the grouting holes penetrate through the steel pipe and are communicated with each other in the mold bags, the first grouting pipes are arranged in one-to-one correspondence with the grouting holes, the first grouting pipes extend into the grouting holes, and pipe orifices of the first grouting pipes are communicated with the grouting holes; the second grouting pipe stretches into the steel pipe and penetrates through the bottom of the steel pipe to the bottom of the drilling hole, and grouting holes are formed in the side wall of the second grouting pipe; the drain pipe sets up in second slip casting pipe one side, and the separator sets up in the junction of segmentation mould bag and is connected with the steel pipe, can solve the poor problem of support effect of support stake in strong water permeability stratum foundation ditch.
Description
Technical Field
The application relates to the technical field of building construction equipment, in particular to a support pile and a support pile system.
Background
In recent years, the development of the construction industry in China is very rapid, the development and the utilization of the construction development are wide, the development and the utilization of large-scale underground space are wide, the support piles and the piles mainly bearing the transverse thrust are generally used for foundation pit support, side slope support and landslide control, the piles bearing the horizontal soil pressure or landslide thrust generally need higher reinforcement than the foundation piles bearing the vertical force, and the piles are also often used together with anchor rods. At present, a pipe shed construction method exists, and the problem that the supporting effect of a supporting pile in a stratum foundation pit rich in water and strong in permeability is poor due to the fact that the water stopping effect of a pile body is poor in the pipe shed construction method.
Disclosure of Invention
In order to enable a support pile to have a good support effect in a foundation pit of a water-rich and strong-permeability bottom layer, the application provides a support pile and a support pile system.
In a first aspect, the present application provides a support pile, which adopts the following technical scheme:
a support pile comprises a drill hole, a steel pipe, a mould bag, at least two first grouting pipes, a second grouting pipe, a drain pipe and a separator, wherein the steel pipe is arranged in the drill hole, and one side of the steel pipe, which faces the bottom of the drill hole, is in a V-shaped structure; the mould bags are wrapped on the periphery of the steel pipe and are arranged in sections; the first grouting pipes extend into the inner side of the steel pipe, at least two grouting holes are formed in the steel pipe, the grouting holes penetrate through the steel pipe and are communicated with each other in the mold bags, the first grouting pipes are arranged in one-to-one correspondence with the grouting holes, the first grouting pipes extend into the grouting holes, and pipe orifices of the first grouting pipes are communicated with the grouting holes; the second grouting pipe stretches into the steel pipe and penetrates through the bottom of the steel pipe to the bottom of the drilling hole, and grouting holes are formed in the side wall of the second grouting pipe; the drain pipe is arranged at one side of the second grouting pipe, and the separator is arranged at the joint of the sectional mould bags and connected with the steel pipe.
Through adopting above-mentioned technical scheme, pour into high-strength concrete into in the steel pipe, steel pipe concrete's resistance to compression pile body intensity exceeds 60MPa, and flexural strength exceeds 10MPa, can satisfy the foundation ditch support requirement of foundation ditch within 20 meters, and the pile is supported and is enlarged pile body diameter by the outside extrusion, and the biggest expansion of 219mm is to 500mm, and outside extrusion and peripheral ground body are closely combined, and the thick liquid of pile bottom pouring can squeeze into loose rock mass, forms new artifical rock mass, reaches good prevention of seepage effect to the pile has better supporting effect in rich water strong permeability stratum foundation ditch.
Alternatively, the die bags are arranged in a double-layer structure.
Through adopting above-mentioned technical scheme, bilayer structure's mould bag can wrap up the steel pipe better, accepts the thick liquids of injection.
Alternatively, the grouting holes are respectively arranged on the steel pipes at two sides of the second grouting pipe.
By adopting the technical scheme, the slurry can be better dispersed into different sectional die bags.
In a second aspect, the present application provides a pile-supporting system, which adopts the following technical scheme:
a support pile system comprises at least two support piles and a crown beam, wherein the support piles are arranged at intervals, the crown beam is arranged perpendicular to the support piles, and the crown beam is connected with the at least two support piles.
By adopting the technical scheme, the crown beam connects the support piles in the vertical direction into a whole, so that the stability of the support system is improved.
Optionally, at least two crowns are arranged at intervals.
By adopting the technical scheme, the supporting piles can be better supported by the plurality of crown beams.
Optionally, including the anchor stake, the one end and the support stake of anchor stake are connected, and the anchor stake slope sets up, and the one end that the support stake was kept away from to the anchor stake stretches into in the strong water permeability stratum of predetermineeing and is fixed in the strong water permeability stratum.
By adopting the technical scheme, the anchoring pile is obliquely driven into the stratum with strong water permeability, the steel pipe mould bag concrete has good compression resistance and bending resistance, and is extruded outwards when the mould bag grouting is expanded, so that the steel pipe mould bag concrete has good anchoring performance, and the supporting pile system and the stratum with strong water permeability are tightly anchored.
Optionally, the anchor piles are arranged at least two at intervals along the height direction.
Through adopting above-mentioned technical scheme for can be better link together the stake of propping up steadily, make the stake system of propping up can be better with the inseparable anchor in water permeability stratum.
Optionally, the composite waist beam comprises a composite waist beam, wherein the composite waist beam is vertically arranged with support piles, and the composite waist beam is connected with different anchoring piles on the same height.
Through adopting above-mentioned technical scheme, link up the anchor stake through compound waist rail, prevent to prop up the pile and overturn to foundation ditch inside direction.
In summary, the present application includes at least one of the following beneficial effects:
1. the high-strength concrete is injected into the steel pipe, the compression-resistant pile body strength of the steel pipe concrete exceeds 60MPa, the flexural strength exceeds 10MPa, the foundation pit supporting requirement of a foundation pit within 20 meters can be met, the diameter of the pile body can be expanded by outwards extruding the supporting pile, the diameter of the pile body is expanded to 500mm at most from 219mm, the external extruding is tightly combined with surrounding rock-soil bodies, the slurry poured at the bottom of the pile can be extruded into loose rock-soil bodies to form new artificial rock bodies, and a good seepage-proof effect is achieved, so that the supporting pile has a good supporting effect in the water-rich and strong-permeability stratum foundation pit;
2. the crown beam connects the support piles in the vertical direction into a whole, so that the stability of the support system is improved.
Drawings
FIG. 1 is a front view of a first embodiment of the present application;
FIG. 2 is a front view of a second embodiment of the present application;
fig. 3 is a top view showing the cooperation of the composite wale and the anchor pile according to the embodiment of the present application.
Reference numerals illustrate: 1. drilling holes; 2. a steel pipe; 3. molding and bagging; 4. a first grouting pipe; 5. a second grouting pipe; 6. a drain pipe; 7. a divider; 8. grouting holes; 9. a crown beam; 10. anchoring the pile; 11. and (5) a composite waist beam.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
Embodiment one:
an embodiment of the application discloses a support pile. Referring to fig. 1, the support pile comprises a drill hole 1, a steel pipe 2, a mould bag 3, at least two first grouting pipes 4, a second grouting pipe 5, a drain pipe 6 and a separator 7, wherein the steel pipe 2 is arranged in the drill hole 1, one side of the steel pipe 2 facing the bottom of the drill hole 1 is in a V-shaped structure, and the V-shaped structure faces a hole and a drill hole opening; the mould bags 3 are wrapped on the peripheral side of the steel pipe 2 and are arranged in sections; the first grouting pipe 4 stretches into the inner side of the steel pipe 2, at least two grouting holes 8 are formed in the steel pipe 2, the grouting holes 8 penetrate through the steel pipe 2 and the die bags 3, the first grouting pipes 4 and the grouting holes 8 are arranged in one-to-one correspondence, the first grouting pipes 4 stretch into the grouting holes 8, and the pipe orifices of the first grouting pipes 4 are communicated with the grouting holes 8.
Referring to fig. 1, a second grouting pipe 5 extends into a steel pipe 2 and penetrates through the bottom of the steel pipe 2 to the bottom of a drilling hole 1, and grouting holes 8 are formed in the side wall of the second grouting pipe 5; the drain pipe 6 is arranged on one side of the second grouting pipe 5, and the separator 7 is arranged at the joint of the sectional mould bags 3 and is connected with the steel pipe 2. The mould bag 3 is arranged in a double-layer structure. The double-layer mould bag 3 can better wrap the steel pipe 2 and receive the injected slurry.
Referring to fig. 1, the first grouting pipe 4 may be provided with a plurality of nozzles as needed, and grouting holes 8 on the steel pipe 2 are provided corresponding to the nozzles. The high-strength concrete is injected into the steel pipe 2, the compression-resistant pile body strength of the steel pipe 2 concrete exceeds 60MPa, the flexural strength exceeds 10MPa, the foundation pit supporting requirement of a foundation pit within 20 meters can be met, the diameter of the pile body can be expanded by outwards extruding a supporting pile, the diameter of the pile body can be expanded to 500mm at most from 219mm, the pile body is tightly combined with surrounding rock-soil bodies by outwards extruding, the loose rock-soil bodies can be extruded by grout poured at the bottom of the pile, a new artificial rock body is formed, and a good seepage-proof effect is achieved, so that the supporting pile has a good supporting effect in a water-rich high-permeability stratum foundation pit. Meanwhile, the slurry becomes cement slurry with certain strength and rheological property, and after high-pressure pouring into stratum, the cement slurry is consolidated with rock-soil mass, and after hardening, a consolidated body with strength exceeding 10MPa and compact seepage prevention is formed. The support pile can achieve the triple effects of support, seepage prevention and consolidation at the same time, and the pressure of the water resisting stratum reaches 2MPa.
Referring to fig. 1, grouting holes 8 are respectively formed in the steel pipes 2 at both sides of the second grouting pipe 5. So that the slurry can be better dispersed into the different segmented mold bags 3.
The implementation principle of the support pile in the first embodiment of the application is as follows: the high-strength concrete is injected into the steel pipe 2, the compression-resistant pile body strength of the steel pipe 2 concrete exceeds 60MPa, the flexural strength exceeds 10MPa, the foundation pit supporting requirement of a foundation pit within 20 meters can be met, the diameter of the pile body can be expanded by outwards extruding a supporting pile, the diameter of the pile body can be expanded to 500mm at most from 219mm, the pile body is tightly combined with surrounding rock-soil bodies by outwards extruding, the loose rock-soil bodies can be extruded by grout poured at the pile bottom, a new artificial rock body is formed, and a good seepage-proof effect is achieved, so that the supporting pile has a good supporting effect in a foundation pit with a water-rich high-permeability bottom layer.
Embodiment two:
the second embodiment of the application discloses a support pile system. Referring to fig. 2, the pile system includes at least two piles and a crown beam 9 as described above, the piles are arranged at intervals, the crown beam 9 is arranged perpendicular to the piles, the crown beam 9 is arranged on top of the piles, and the crown beam 9 connects the at least two piles. The crown beam 9 connects the support piles in the vertical direction into a whole, so that the stability of the support system is improved.
Referring to fig. 2, the crown bars 9 are provided at least two at intervals. The plurality of crown beams 9 can better support the stake.
Referring to fig. 3, the supporting pile system further includes an anchor pile 10, one end of the anchor pile 10 is connected with the supporting pile, the anchor pile 10 is inclined, and one end of the anchor pile 10, which is far away from the supporting pile, extends into a preset stratum with strong water permeability and is fixed in the stratum with strong water permeability. The anchoring pile 10 is obliquely driven into a stratum with strong water permeability, the concrete of the mould bags 3 of the steel pipe 2 has good compression resistance and bending resistance, the mould bags 3 are extruded outwards when grouting and expanding, and the concrete has good anchoring performance, so that the supporting pile system and the stratum with strong water permeability are tightly anchored.
Referring to fig. 2, the support pile system further includes a composite wale 11, the composite wale 11 being disposed vertically to support piles, the composite wale 11 being connected to different anchor piles 10 on the same height. The anchor piles 10 are connected through the composite waist beams 11, so that the support piles are prevented from overturning towards the interior direction of the foundation pit.
The implementation principle of the support pile system in the second embodiment of the application is as follows: the support pile, the crown beam 9, the waist beam, the anchoring pile 10 and the grouting slurry form an anti-seepage support system with three functions of support, seepage prevention and anchoring together with the consolidation body formed by the stratum with strong water permeability.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A support pile, characterized in that: the grouting device comprises a drilling hole (1), a steel pipe (2), a mould bag (3), at least two first grouting pipes (4), a second grouting pipe (5), a drain pipe (6) and a separator (7), wherein the steel pipe (2) is arranged in the drilling hole (1), and one side of the steel pipe (2) facing the bottom of the drilling hole (1) is in a V-shaped structure; the die bags (3) are wrapped on the periphery of the steel pipe (2) and are arranged in sections; the first grouting pipe (4) stretches into the inner side of the steel pipe (2), at least two grouting holes (8) are formed in the steel pipe (2), the grouting holes (8) penetrate through the steel pipe (2) and are communicated with the inside of the die bag (3), the first grouting pipe (4) and the grouting holes (8) are arranged in one-to-one correspondence, the first grouting pipe (4) stretches into the grouting holes (8), and the pipe orifice of the first grouting pipe (4) and the grouting holes (8) are communicated with each other; the second grouting pipe (5) extends into the steel pipe (2) and penetrates through the bottom of the steel pipe (2) to the bottom of the drilling hole (1), and grouting holes (8) are formed in the side wall of the second grouting pipe (5); the drain pipe (6) is arranged at one side of the second grouting pipe (5), and the separator (7) is arranged at the joint of the sectional mould bags (3) and is connected with the steel pipe (2).
2. A stake according to claim 1, wherein: the mould bag (3) is of a double-layer structure.
3. A stake according to claim 1, wherein: the grouting holes (8) are respectively arranged on the steel pipes (2) at the two sides of the second grouting pipe (5).
4. A pile supporting system, characterized in that: comprising the support piles of any of claims 1-3 and a crown beam (9), the support piles being arranged at intervals, the crown beam (9) being arranged perpendicular to the support piles, the crown beam (9) connecting at least two support piles.
5. A stake system as claimed in claim 4, wherein: at least two crown beams (9) are arranged at intervals.
6. A stake system as claimed in claim 4, wherein: including anchor stake (10), the one end and the support stake of anchor stake (10) are connected, and anchor stake (10) slope sets up, and the one end that support stake was kept away from to anchor stake (10) stretches into in the strong water permeability stratum of predetermineeing and is fixed in the strong water permeability stratum.
7. A stake system as claimed in claim 6, wherein: the anchoring piles (10) are arranged at least two at intervals along the height direction.
8. A stake system as claimed in claim 4, wherein: the composite waist beam comprises a composite waist beam (11), wherein the composite waist beam (11) is vertically arranged to support piles, and the composite waist beam (11) is connected with different anchoring piles (10) on the same height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320433505.1U CN219470908U (en) | 2023-03-09 | 2023-03-09 | Support pile and support pile system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320433505.1U CN219470908U (en) | 2023-03-09 | 2023-03-09 | Support pile and support pile system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219470908U true CN219470908U (en) | 2023-08-04 |
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ID=87461072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320433505.1U Active CN219470908U (en) | 2023-03-09 | 2023-03-09 | Support pile and support pile system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219470908U (en) |
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2023
- 2023-03-09 CN CN202320433505.1U patent/CN219470908U/en active Active
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