CN216075140U - Double-row pile and double-row high-pressure jet grouting waterproof curtain combined supporting structure - Google Patents
Double-row pile and double-row high-pressure jet grouting waterproof curtain combined supporting structure Download PDFInfo
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- CN216075140U CN216075140U CN202121553384.1U CN202121553384U CN216075140U CN 216075140 U CN216075140 U CN 216075140U CN 202121553384 U CN202121553384 U CN 202121553384U CN 216075140 U CN216075140 U CN 216075140U
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Abstract
The utility model provides a double-row pile and double-row high-pressure jet grouting water-stop curtain combined supporting structure which comprises a water-stop curtain pile group structure, an enclosure pile group, a supporting net, supporting steel bars and a concrete anchoring rod, wherein the outer side of the water-stop curtain pile group structure is a foundation pit outer soil layer structure; the utility model adds an enclosure pile group structure on the basis of the traditional high-pressure jet grouting water-stop curtain, wherein the enclosure pile group is composed of a steel bar stabilizing structure and a concrete filling structure, the upper part of the steel bar stabilizing structure is higher than the concrete filling structure and extends to the interior of a crown beam, and each single enclosure pile is integrated into a whole through the crown beam to provide stable supporting force for the high-pressure jet grouting water-stop curtain pile group structure.
Description
Technical Field
The utility model relates to the technical field of waterproof curtain structures, in particular to a double-row pile and double-row high-pressure jet grouting waterproof curtain combined supporting structure.
Background
The high-pressure rotary jet water-proof curtain is characterized by that after the grouting pipe with nozzle is drilled into soil layer by means of drilling machine to a preset depth, the grout or water can be jetted out from the nozzle by means of 20-40Mpa pressure so as to form jet flow to impact and damage soil layer. When the energy is large, the speed and the pulsating jet flow have the dynamic pressure larger than the soil layer structure strength leaf, the soil particles are peeled off from the soil layer. Some fine particles are blown out of the ground along with the slurry or water, and the rest of the soil particles are stirred and mixed with the slurry under the action of the impact force centrifugal force of jet flow, gravity and the like, and are regularly rearranged according to a certain slurry-soil proportion and mass. After the slurry is solidified, a solidified body is formed in the soil layer. A curtain formed by a plurality of high-pressure jet grouting piles can be used as a water stopping construction method for isolating underground water bodies on one side. The method can isolate water outside the foundation pit, thereby ensuring the stability of the soil body under the foundation of the original building and also ensuring the stability of the foundation;
however, the existing high-pressure jet grouting water-stop curtain is too simple in mechanism, a large pressure difference exists between the inside and the outside of a pit, a supporting structure is not firm enough under the condition that water seepage can be prevented, and certain potential safety hazards exist, so that the utility model provides a double-row pile and double-row high-pressure jet grouting water-stop curtain combined supporting structure to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a double-row high-pressure jet grouting water-stop curtain combined supporting structure, which is additionally provided with a fender pile group structure on the basis of the traditional high-pressure jet grouting water-stop curtain, wherein the fender pile group is composed of a reinforcing steel bar stabilizing structure and a concrete filling structure, the upper part of the reinforcing steel bar stabilizing structure is higher than the concrete filling structure and extends to the interior of a crown beam, and each single fender pile is integrated into a whole through the crown beam to provide stable supporting force for the high-pressure jet grouting water-stop curtain pile group structure.
In order to realize the purpose of the utility model, the utility model is realized by the following technical scheme: the double-row pile and double-row high-pressure jet grouting water-stop curtain combined supporting structure comprises a water-stop curtain pile group structure, a retaining pile group, a supporting net, supporting steel bars and concrete anchoring rods, wherein a soil layer structure outside a foundation pit is arranged outside the water-stop curtain pile group structure, the outside of the retaining pile group is inside the foundation pit, the retaining pile group is formed by arranging a plurality of retaining piles side by side at equal intervals, the retaining pile group is arranged on one side of the water-stop curtain pile group structure and is parallel to the water-stop curtain pile group structure, the supporting net is arranged on the outside of the retaining piles and is tightly attached and fixed through the supporting steel bars, the retaining pile group is fastened on the supporting steel bars through the concrete anchoring rods, and the upper end of the retaining pile group is provided with a crown beam;
the further improvement lies in that: the waterproof curtain pile group structure comprises drilling piles and high-pressure jet grouting piles, the drilling piles are provided with multiple groups, two groups of high-pressure jet grouting piles are arranged between every two adjacent drilling piles, and the high-pressure jet grouting piles are arranged longitudinally.
The further improvement lies in that: the diameter of the high-pressure rotary spraying pile is smaller than that of the drilling pile.
The further improvement lies in that: and the single fender pile of the fender pile group consists of a steel bar stabilizing structure and a concrete filling structure, wherein the upper part of the steel bar stabilizing structure is higher than the concrete filling structure and extends to the interior of the crown beam.
The further improvement lies in that: the support steel bars are provided with three groups, two groups of support steel bars are arranged on the upper portion of the enclosure pile group, and one group of support steel bars are arranged on the lower portion of the enclosure pile group.
The further improvement lies in that: and the three groups of supporting steel bars and the crown beam are arranged in parallel.
The further improvement lies in that: the diameter of a single fender pile of the fender pile group is larger than that of the drilling pile.
The further improvement lies in that: the concrete anchoring rod is arranged between the enclosure pile groups, and the lower end of the concrete anchoring rod penetrates through the waterproof curtain pile group structure and extends into a foundation pit outer soil layer structure.
The utility model has the beneficial effects that: the waterproof curtain is additionally provided with an enclosure pile group structure on the basis of the traditional high-pressure jet grouting waterproof curtain, the enclosure pile group is composed of a reinforcing steel bar stabilizing structure and a concrete filling structure, the upper part of the reinforcing steel bar stabilizing structure is higher than the concrete filling structure and extends to the inside of a crown beam, all single enclosure piles are integrated into a whole through the crown beam to provide stable supporting and supporting force for the high-pressure jet grouting waterproof curtain pile group structure, in order to offset the pressure difference outside a pit in the pit, the enclosure piles in a plurality of transverse directions of the enclosure pile group are tightly connected together through three groups of supporting steel bars with different heights, a concrete anchoring rod penetrates through the waterproof curtain pile group structure and is anchored into a soil layer structure outside the foundation pit, under the condition that the waterproof curtain supporting structure forms a whole, the firmness is further improved, and the supporting and supporting effect is better.
Drawings
Fig. 1 is a top view structural view of a united supporting structure of a waterproof curtain of the present invention.
Fig. 2 is an elevation view of the present invention of a fender pile assembly structure embedded in a crown beam.
Fig. 3 is a front view of the steel bar structure for the support of the enclosure pile group assembly according to the present invention.
Fig. 4 is a structural front view of the support net for assembling the enclosure pile group of the present invention.
Wherein: 1. a waterproof curtain pile group structure; 2. a fender pile group; 3. a supporting net; 4. supporting the steel bars; 5. a concrete anchor rod; 6. a foundation pit outer soil layer structure; 7. a crown beam; 101. drilling a pile; 102. high-pressure jet grouting piles; 201. a steel bar stabilizing structure; 202. concrete filling structure.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to the drawings 1, 2, 3 and 4, the embodiment provides a double-row pile and double-row high-pressure jet grouting waterproof curtain combined supporting structure, which comprises a waterproof curtain pile group structure 1, an enclosure pile group 2, a supporting net 3, supporting steel bars 4 and concrete anchoring rods 5, wherein the outer side of the waterproof curtain pile group structure 1 is a foundation pit outer soil layer structure 6, the outer side of the enclosure pile group 2 is the inside of a foundation pit, the enclosure pile group 2 is formed by arranging a plurality of enclosure piles side by side at equal intervals, the enclosure pile group 2 is arranged on one side of the waterproof curtain pile group structure 1 and is parallel to the waterproof curtain pile group structure 1, the supporting net 3 is arranged on the outer side of the enclosure piles and is tightly fixed through the supporting steel bars 4, the supporting net 3 is used for isolating broken stone and soil between the enclosure pile group 2, the enclosure pile group 2 is fastened on the supporting steel bars 4 through the concrete anchoring rods 5, and the upper end of the enclosure pile group 2 is provided with a crown beam 7.
The waterproof curtain pile group structure 1 comprises drilling piles 101 and high-pressure jet grouting piles 102, the drilling piles 101 are provided with a plurality of groups, two groups of high-pressure jet grouting piles 102 are arranged between the adjacent drilling piles 101, the two groups of high-pressure jet grouting piles 102 are longitudinally arranged, the front and back longitudinal arrangement of the double-row high-pressure jet grouting piles 102 between the adjacent drilling piles 101 can better improve the stabilizing effect and the water seepage prevention effect, and one group of the high-pressure jet grouting piles 101 and the two groups of the high-pressure jet grouting piles 102 can form a triangular structure and have stability; the diameter of the high pressure jet grouting pile 102 is smaller than that of the bored pile 101, and the diameter of the individual surrounding piles of the surrounding pile group 2 is larger than that of the bored pile 101.
The single fender post of the fender post group 2 is composed of a steel bar stabilizing structure 201 and a concrete filling structure 202, the upper part of the steel bar stabilizing structure 201 is higher than the concrete filling structure 202 and extends to the interior of the crown beam 7, and the arrangement can enable the single fender post and the crown beam 7 to be tightly connected together so as to improve the structural integrity of the fender post group 2.
The supporting steel bars 4 are provided with three groups, two groups of supporting steel bars 4 are arranged at the upper part of the enclosure pile group 2, one group of supporting steel bars 4 are arranged at the lower part of the enclosure pile group 2, because the structure is used for supporting a foundation pit aiming at an object, the situation that the upper part of the foundation pit is collapsed is much larger than the situation that the lower part of the foundation pit is collapsed, two groups of supporting steel bars 4 are arranged on the top of the enclosure pile group 2 on the basis of the crown beam 7, the stability of the enclosure pile group 2 can be further improved, the landslide can be prevented,
the three groups of supporting steel bars 4 and the crown beam 7 are arranged in parallel.
The concrete anchoring rod 5 is arranged between the enclosure pile groups 2, and the lower end of the concrete anchoring rod 5 penetrates through the waterproof curtain pile group structure 1 and extends into the foundation pit outer soil layer structure 6.
The waterproof curtain is additionally provided with a retaining pile group 2 structure on the basis of the traditional high-pressure jet grouting waterproof curtain, wherein the retaining pile group 2 is composed of a reinforcing steel bar stabilizing structure 201 and a concrete filling structure 202, the upper part of the reinforcing steel bar stabilizing structure 201 is higher than the concrete filling structure 202 and extends to the interior of a crown beam 7, all single retaining piles are integrated into a whole through the crown beam 7 to provide stable supporting force for the high-pressure jet grouting waterproof curtain pile group structure 1, in order to offset the pressure difference outside a pit in the pit, a plurality of retaining piles in the transverse direction of the retaining pile group 2 are tightly connected together through three groups of steel bar supports 4 with different heights, a concrete anchoring rod 5 penetrates through the waterproof curtain pile group structure 1 to be anchored into a soil layer structure 6 outside the pit, and under the condition that the waterproof curtain supporting structure forms a whole, the firmness is further improved, the supporting and supporting effect is better.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. Double row pile and double high pressure jet grouting water-stop curtain combined supporting structure, its characterized in that: including stagnant water curtain pile group structure (1), fender pile group (2), bearing net (3), strut billet (4) and concrete anchor pole (5), the outside of stagnant water curtain pile group structure (1) is foundation ditch outer soil layer structure (6), the outside of fender pile group (2) is inside the foundation ditch, fender pile group (2) are set up by a plurality of fender pile equidistance side by side and constitute, fender pile group (2) set up the one side in stagnant water curtain pile group structure (1) to be parallel to each other with stagnant water curtain pile group structure (1), bearing net (3) set up in the outside of fender pile and hug closely fixedly through strutting billet (4), it fastens fender pile group (2) through concrete anchor pole (5) on billet (4) to strut, the upper end of pile group (2) is provided with guan liang (7).
2. The double-row pile and double-row high-pressure jet grouting water-stop curtain combined supporting structure as claimed in claim 1, wherein: the waterproof curtain pile group structure (1) comprises drilling piles (101) and high-pressure jet grouting piles (102), wherein the drilling piles (101) are provided with multiple groups, two groups of high-pressure jet grouting piles (102) are arranged between the drilling piles (101), and the high-pressure jet grouting piles (102) are longitudinally arranged.
3. The double-row pile and double-row high-pressure jet grouting water-stop curtain combined supporting structure as claimed in claim 2, wherein: the diameter of the high-pressure jet grouting pile (102) is smaller than that of the drilled pile (101).
4. The double-row pile and double-row high-pressure jet grouting water-stop curtain combined supporting structure as claimed in claim 1, wherein: the single fender pile of the fender pile group (2) is composed of a steel bar stabilizing structure (201) and a concrete filling structure (202), and the upper part of the steel bar stabilizing structure (201) is higher than the concrete filling structure (202) and extends to the interior of the crown beam (7).
5. The double-row pile and double-row high-pressure jet grouting water-stop curtain combined supporting structure as claimed in claim 1, wherein: the support steel bars (4) are provided with three groups, two groups of support steel bars (4) are arranged on the upper portion of the enclosure pile group (2), and one group of support steel bars (4) are arranged on the lower portion of the enclosure pile group (2).
6. The double-row pile and double-row high-pressure jet grouting water-stop curtain combined supporting structure as claimed in claim 5, wherein: the three groups of supporting steel bars (4) and the crown beam (7) are arranged in parallel.
7. The double-row pile and double-row high-pressure jet grouting water-stop curtain combined supporting structure as claimed in claim 2, wherein: the diameter of a single fender pile of the fender pile group (2) is larger than that of the drilling pile (101).
8. The double-row pile and double-row high-pressure jet grouting water-stop curtain combined supporting structure as claimed in claim 2, wherein: the concrete anchoring rod (5) is arranged between the enclosure pile groups (2), and the lower end of the concrete anchoring rod (5) penetrates through the waterproof curtain pile group structure (1) and extends into the foundation pit outer soil layer structure (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121553384.1U CN216075140U (en) | 2021-07-09 | 2021-07-09 | Double-row pile and double-row high-pressure jet grouting waterproof curtain combined supporting structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121553384.1U CN216075140U (en) | 2021-07-09 | 2021-07-09 | Double-row pile and double-row high-pressure jet grouting waterproof curtain combined supporting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116956447A (en) * | 2023-09-20 | 2023-10-27 | 信息产业部电子综合勘察研究院 | Asymmetric double-row pile support design system, method and asymmetric double-row pile support |
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2021
- 2021-07-09 CN CN202121553384.1U patent/CN216075140U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116956447A (en) * | 2023-09-20 | 2023-10-27 | 信息产业部电子综合勘察研究院 | Asymmetric double-row pile support design system, method and asymmetric double-row pile support |
| CN116956447B (en) * | 2023-09-20 | 2023-12-22 | 信电综合勘察设计研究院有限公司 | Asymmetric double-row pile support design system, method and asymmetric double-row pile support |
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