CN208803479U - Pipe pile structure used as dewatering well - Google Patents
Pipe pile structure used as dewatering well Download PDFInfo
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- CN208803479U CN208803479U CN201820860988.2U CN201820860988U CN208803479U CN 208803479 U CN208803479 U CN 208803479U CN 201820860988 U CN201820860988 U CN 201820860988U CN 208803479 U CN208803479 U CN 208803479U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000005553 drilling Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000001556 precipitation Methods 0.000 claims abstract description 7
- 238000005086 pumping Methods 0.000 claims abstract description 3
- 238000001914 filtration Methods 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 claims description 2
- 235000009120 camo Nutrition 0.000 claims description 2
- 235000005607 chanvre indien Nutrition 0.000 claims description 2
- 239000011487 hemp Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 13
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000003673 groundwater Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a hold concurrently as tubular pile structure of precipitation well, including vertical tubular pile of arranging in ground drilling and arranging immersible pump and annex in the tubular pile in. Wherein, the vertical pipe pile arranged in the ground drilling hole is used for bearing and also used as a dewatering well shaft; and the submersible pump and the accessories are arranged in the tubular pile and used for pumping water converged into the tubular well to a designated ground drainage point and reducing the underground water level. The vertical tubular pile comprises a ground drilling hole and a steel pipe pile, and the submersible pump and accessories arranged in the tubular pile comprise a submersible pump, a sling and a water pipe. The utility model discloses simple structure, construction speed is fast, and the tubular pile has the dual function of bearing and precipitation well concurrently.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to building underground structure engineering's precipitation well with strut or support a structure, specific theory relates to a tubular pile structure who doubles precipitation well.
Background
In the construction of underground structure engineering, when the foundation pit has poor geology, no slope condition is arranged at the periphery, the underground water level is high, the water quantity is large and the soil permeability is good, before the foundation pit is excavated, the water is generally reduced for more than 15 days in advance, and when the underground water level in the foundation pit is reduced to be more than 500mm below the substrate, the earthwork excavation can be carried out; in the process of excavation of the foundation pit, before the foundation pit is excavated to ensure the safety of the side slope of the foundation pit, supporting piles are constructed on the periphery of the foundation pit; when the underground structure adopts a reverse construction method and a local structure needs to be supported temporarily in the construction process, a supporting pile needs to be arranged.
In the prior art, the dewatering well and the supporting or supporting pile are respectively and independently arranged. The dewatering well generally adopts a sand pipe as a shaft, so that the strength is not high, the bearing is not realized, the foundation pit is easy to damage by equipment in the excavation process, and the construction period is long; the supporting or supporting pile is generally a reinforced concrete cast-in-place pile, wet operation is mostly adopted, the construction and maintenance period of the pile is long, and the overall dimension of the pile is not easy to guarantee.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that building underground structure engineering precipitation well and strut or support the stake and independently set up respectively and construction cycle is long, the quality is unstable provides a simple structure, construction speed is fast, has the tubular pile structure who bears the weight of and precipitation well's dual function concurrently.
The utility model aims at realizing through the following technical scheme:
a tubular pile structure used as a dewatering well comprises a vertical tubular pile arranged in a ground drilled hole, a submersible pump arranged in the tubular pile and accessories; wherein,
the vertical tubular pile arranged in the ground drilling hole is used for bearing and also used as a dewatering well shaft;
the submersible pump and the accessories arranged in the tubular pile are used for pumping water converged into the tubular well to a designated ground drainage point and reducing the underground water level.
The vertical tubular pile arranged in the ground drilling hole comprises a ground drilling hole and a steel pipe pile, the ground drilling hole is vertical to the ground, the diameter of the drilled hole is 20-60 mm larger than the outer diameter of the tubular pile, the depth of the drilled hole exceeds the designed substrate, the depth of the drill hole exceeding the substrate is equal to the length of the submersible pump plus 1000 mm-2000 mm plus the height of the filter material at the bottom of the well (if so), the vertical tubular pile adopts a welded steel pipe or a seamless steel pipe, the tubular pile is arranged in a ground drilled hole, the bottom surface of the tubular pile is welded with a sealing plate which is made of steel plates, the bottom of the tubular pile is seated at the bottom of the drilling hole, the tubular pile is provided with water filtering holes below the substrate, the water filtering holes on the tubular pile are round holes or vertical strip holes, the aperture of the water filtering holes on the tubular pile is 10 mm-20 mm, the number of the water filtering holes on the tubular pile is determined according to the required water filtering area, the upper part of the tubular pile exceeds the ground or the structural plane of the part where the tubular pile is located by 100-500 mm.
Immersible pump and annex in arranging the tubular pile in include immersible pump, hoist cable and water pipe, the immersible pump external diameter is less than the used steel pipe nominal diameter of tubular pile one grade or more than one grade, immersible pump lift should exceed at the bottom of the pump more than outlet pipe mouth height 1000mm, immersible pump upper portion is fixed to the well head with the hoist cable, immersible pump bottom is unsettled, immersible pump bottom unsettled height apart from the hole bottom or filter material top surface 500mm ~ 1000mm, the hoist cable adopts wire rope, hemp rope or nylon rope, the water pipe adopts steel pipe, plastic tubing or rubber tube, the water pipe sub-unit connection is on the outlet of a pump, the appointed drainage point on ground is installed to water.
The utility model has the advantages that:
the utility model has the advantages that the structure is simple, the construction speed is high, the tubular pile structure has the double functions of bearing and dewatering well, the construction period can be greatly shortened, and the cost can be reduced;
the utility model adopts dry operation, has little environmental pollution, adopts steel pipes for the tubular pile, has regular appearance and high strength, is not easy to be damaged, does not need maintenance, and can shorten the total construction period;
(III) the utility model relates to a material, equipment and construction method thereof are comparatively ordinary, and the operation of being convenient for does benefit to the popularization.
Drawings
FIG. 1 is a schematic vertical section view of the present invention;
FIG. 2 is a structural outline view of the present invention;
FIG. 3 is a schematic view of the vertical section of the utility model in use as a support pile;
fig. 4 is a schematic view of the vertical section of the supporting pile of the present invention in use.
In the figure: 1: soil body, 2: a closing plate, 3: submersible pump, 4: water filtration pore, 5: tubular pile, 6: sling, 7: drilling, 8: water pipe, 9: crown beam, 10: enclosing purlin, 11: structural body
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
As shown in fig. 1, the embodiment discloses a pipe pile structure doubling as a dewatering well, which comprises a vertical pipe pile 5 arranged in a ground drilling hole 7, a submersible pump 3 arranged in the pipe pile 5 and accessories. Referring to fig. 1 and 2, a drill hole 7 is drilled in a soil body 1 on the ground according to a positioning drill, a tubular pile 5 is arranged in the drill hole 7, a sealing plate 2 is welded at the bottom of the tubular pile 5, a water filtering hole 4 is formed in the lower portion of the tubular pile 5, a submersible pump 3 is arranged in the tubular pile 5, the submersible pump 3 is suspended in the tubular pile 5 through a sling 6 fixed on a wellhead, and a water pipe 7 is connected to a water outlet of the submersible pump 3.
In the embodiment shown in fig. 3, the use method of the present invention is that the groundwater in the soil body 1 is converged into the dewatering well pipe pile 5 through the water filtering hole 4, and the groundwater is discharged from the pipe through the submersible pump 3 and the water pipe 7, so as to reduce the groundwater level; in the excavation process of the foundation pit, the tubular piles 5 and other piles form a row pile structure through the crown beams 9 and the surrounding purlins 10 to support the foundation pit.
In the embodiment shown in fig. 4, the use method of the present invention is as follows, the groundwater in the soil body 1 is converged into the dewatering well pipe pile 5 through the water filtering hole 4, the groundwater is discharged from the pipe through the submersible pump 3 and the water pipe 7, thereby reducing the groundwater level; in the process of constructing a structure, a structure 11 to be supported is connected to the pipe pile 5, and the pipe pile 5 supports the structure 11 as a support pile.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.
Claims (3)
1. The utility model provides a tubular pile structure of precipitation well which characterized in that: comprises a vertical tubular pile arranged in a ground drilling hole, a submersible pump arranged in the tubular pile and accessories; wherein,
the vertical tubular pile arranged in the ground drilling hole is used for bearing and also used as a dewatering well shaft;
the submersible pump and the accessories arranged in the tubular pile are used for pumping water converged into the tubular well to a designated ground drainage point and reducing the underground water level.
2. The tubular pile structure of claim 1, which is used as a dewatering well and is characterized in that: the vertical steel pipe pile placed in the ground drilling hole comprises a ground drilling hole and a steel pipe pile, the ground drilling hole is vertical to the ground, the diameter of the drilled hole is 20-60 mm larger than the outer diameter of the tubular pile, the depth of the drilled hole exceeds the designed substrate, the depth of the drill hole exceeding the substrate is equal to the length of the submersible pump plus 1000 mm-2000 mm plus the height of the filter material at the bottom of the well, the vertical tubular pile adopts a welded steel pipe or a seamless steel pipe, the tubular pile is arranged in a ground drilled hole, the bottom surface of the tubular pile is welded with a sealing plate which is made of steel plates, the bottom of the tubular pile is seated at the bottom of the drilling hole, the tubular pile is provided with water filtering holes below the substrate, the water filtering holes on the tubular pile are round holes or vertical strip holes, the aperture of the water filtering holes on the tubular pile is 10 mm-20 mm, the number of the water filtering holes on the tubular pile is determined according to the required water filtering area, the upper part of the tubular pile exceeds the ground or the structural plane of the part where the tubular pile is located by 100-500 mm.
3. The tubular pile structure of claim 1, which is used as a dewatering well and is characterized in that: immersible pump and annex in arranging the tubular pile in include immersible pump, hoist cable and water pipe, the immersible pump external diameter is less than the used steel pipe nominal diameter of tubular pile one grade or more than one grade, immersible pump lift should exceed at the bottom of the pump more than outlet pipe mouth height 1000mm, immersible pump upper portion is fixed to the well head with the hoist cable, immersible pump bottom is unsettled, immersible pump bottom unsettled height apart from the hole bottom or filter material top surface 500mm ~ 1000mm, the hoist cable adopts wire rope, hemp rope or nylon rope, the water pipe adopts steel pipe, plastic tubing or rubber tube, the water pipe sub-unit connection is on the outlet of a pump, the appointed drainage point on ground is installed to water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820860988.2U CN208803479U (en) | 2018-06-04 | 2018-06-04 | Pipe pile structure used as dewatering well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820860988.2U CN208803479U (en) | 2018-06-04 | 2018-06-04 | Pipe pile structure used as dewatering well |
Publications (1)
| Publication Number | Publication Date |
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| CN208803479U true CN208803479U (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820860988.2U Active CN208803479U (en) | 2018-06-04 | 2018-06-04 | Pipe pile structure used as dewatering well |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552361A (en) * | 2018-06-04 | 2019-12-10 | 中冶天工集团有限公司 | Pipe pile structure used as dewatering well |
| CN110965567A (en) * | 2019-12-06 | 2020-04-07 | 广东省重工建筑设计院有限公司 | Foundation pit water burst treatment device |
| CN111174451A (en) * | 2020-01-08 | 2020-05-19 | 中国矿业大学(北京) | Open type waste mine energy storage circulation system |
-
2018
- 2018-06-04 CN CN201820860988.2U patent/CN208803479U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552361A (en) * | 2018-06-04 | 2019-12-10 | 中冶天工集团有限公司 | Pipe pile structure used as dewatering well |
| CN110965567A (en) * | 2019-12-06 | 2020-04-07 | 广东省重工建筑设计院有限公司 | Foundation pit water burst treatment device |
| CN111174451A (en) * | 2020-01-08 | 2020-05-19 | 中国矿业大学(北京) | Open type waste mine energy storage circulation system |
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