CN110552342A - method for discharging excess water after watertight construction by self-supporting medium-coarse sand drainer - Google Patents
method for discharging excess water after watertight construction by self-supporting medium-coarse sand drainer Download PDFInfo
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- CN110552342A CN110552342A CN201810561529.9A CN201810561529A CN110552342A CN 110552342 A CN110552342 A CN 110552342A CN 201810561529 A CN201810561529 A CN 201810561529A CN 110552342 A CN110552342 A CN 110552342A
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- vertical pipe
- drainer
- coarse sand
- medium
- self
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Agronomy & Crop Science (AREA)
- Soil Sciences (AREA)
- Sewage (AREA)
Abstract
A method for discharging excessive water after watertight construction by a self-supporting medium-coarse sand drainer comprises the following steps: assembling a self-standing medium-coarse sand drainer, wherein the drainer consists of a vertical pipe, a vertical pipe stabilizing member and a connecting piece, and the vertical pipe stabilizing member is arranged on the vertical pipe and is fixed through the connecting piece; backfilling broken stone at the position of the foundation pit water collecting well to the top of the drainage ditch; thirdly, placing the steel bars of the stabilizing piece of the self-standing type medium-coarse sand drainer downwards at the position in the first step; fourthly, sand is stacked on the steel bars of the stabilizing part, and medium coarse sand is uniformly backfilled from the periphery; fifthly, normal medium-coarse sand watertight construction is carried out; sixthly, putting the water pump into the vertical pipe to pump out the excessive water. Seventhly, cutting a vertical pipe along the top surface of the medium coarse sand; and backfilling coarse sand in the vertical pipe. By using the method, the excess water after the medium and coarse sand watertight construction is finished can be easily discharged.
Description
The technical field is as follows:
the invention relates to a process for discharging excessive moisture after construction by a watertight method, in particular to a method for discharging excessive moisture after construction by the watertight method by utilizing a self-supporting medium-coarse sand drainer.
Background art:
the watertight method is called vibration saturation watertight method, is a professional term in building engineering, and is a construction process of backfilling. The medium sand has the maximum particle size of particles smaller than 30mm, and the content of the particles smaller than 20mm is not smaller than 85%. And coarse sand, the maximum particle diameter of the particles of which is less than 50mm, and the content of the particles less than 40mm is not less than 85%. At present, after the construction of the medium-coarse sand watertight method is completed, the water content in sand is very large, redundant water cannot be discharged, and the construction quality and progress of the next procedure are greatly influenced.
The invention content is as follows:
the invention aims to overcome the defects in the prior art and provide a method for discharging excessive moisture after construction by a watertight method by using a self-supporting medium-coarse sand drainer, and the excessive moisture after construction by the watertight method for medium-coarse sand can be easily discharged by using the method.
In order to achieve the purpose, the technical solution of the invention is as follows: a method for discharging excessive moisture after watertight construction by a self-supporting medium-coarse sand drainer is characterized in that: the method comprises the following steps:
Assembling a self-standing medium-coarse sand drainer, wherein the drainer consists of a vertical pipe, a vertical pipe stabilizing member and a connecting piece, and the vertical pipe stabilizing member is arranged on the vertical pipe and is fixed through the connecting piece;
Backfilling broken stone at the position of the foundation pit water collecting well to the top of the drainage ditch;
thirdly, placing the steel bars of the stabilizing piece of the self-standing type medium-coarse sand drainer downwards at the position in the first step;
Fourthly, sand is stacked on the steel bars of the stabilizing part, and medium coarse sand is uniformly backfilled from the periphery;
fifthly, normal medium-coarse sand watertight construction is carried out;
sixthly, putting the water pump into the vertical pipe to pump out the excessive water.
Seventhly, cutting a vertical pipe along the top surface of the medium coarse sand;
and backfilling coarse sand in the vertical pipe.
the vertical pipe is made of PVC, and the compressive strength of the vertical pipe is 0.1MP to 2 MPa.
The vertical pipe is made of UPVC, and the compressive strength of the vertical pipe is 0.1MP to 2 MPa.
The vertical pipe is made of PE, and the compressive strength of the vertical pipe is 0.1MP to 2 MPa.
the vertical pipe is made of PPR, and the compressive strength of the vertical pipe is 0.1MP to 2 MPa.
The stand pipe stabilizing parts are four reinforcing steel bars with the length of 300mm +500mm and the diameter of 6 mm-32 mm, and the reinforcing steel bars are uniformly distributed along the periphery of the stand pipe.
The connecting piece adopts two adjustable metal hoops with the inner diameter of 350 mm.
The invention has the following advantages:
1. The self-standing medium coarse sand drainer has the advantages of simple structure, reasonable design, convenient operation and low manufacturing cost.
2. after the method is used, the excess water can be quickly pumped out after the medium-coarse sand watertight method construction is finished, so that the construction quality and progress of the next procedure are ensured.
description of the drawings:
FIG. 1 is a schematic illustration of the construction of the present invention;
FIG. 2 is a front view of a free standing medium grit drainer;
FIG. 3 is a top view of a free standing medium grit drainer.
in the figure: 1-a riser; 2-riser stabilizer; 3-a connector; 4-medium coarse sand; 5-a building; 6, a water pump; 7-breaking stone; 8-a water collecting well.
The specific implementation mode is as follows:
referring to fig. 1: a method for discharging excessive water after watertight construction by a self-supporting medium-coarse sand drainer comprises the following steps:
1. Referring to fig. 2, 3: a self-standing medium grit drainer is assembled, consisting of a riser 1, a riser stabilizer 2 and a connection member 3, the riser stabilizer being mounted on the riser and secured by the connection member. The stand pipe stabilizing parts adopt four reinforcing steel bars with the length of 300mm +500mm and the diameter of phi 12, and the four reinforcing steel bars are uniformly distributed along the periphery of the stand pipe; two adjustable metal hoops with the inner diameter of 350mm are adopted as the connecting pieces; the vertical pipe is one UPVC pipe with the inner diameter of 300mm and the wall thickness of more than 5mm, and the length of the vertical pipe is 300mm more than the thickness of the medium coarse sand.
2. And (3) backfilling broken stones 7 at the position of the foundation pit water collecting well 8, wherein the backfilling height is up to the top of the drainage ditch, and the length is 500 mm.
3. And (4) downwards placing a stabilizing piece steel bar of the self-standing type medium-coarse sand drainer at the position in the step (i).
4. 300mm sand is firstly stacked on the steel bars of the stabilizing members, and then medium coarse sand is uniformly backfilled from the periphery.
5. and carrying out normal medium-coarse sand watertight construction.
6. the water pump 6 is put into the vertical pipe to pump out the excess water.
7. Cutting the UPVC pipe along the top surface of the medium grit 4.
8. And backfilling coarse sand in the stand pipe.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (7)
1. a method for discharging excessive moisture after watertight construction by a self-supporting medium-coarse sand drainer is characterized in that: the method comprises the following steps:
Assembling a self-standing medium-coarse sand drainer, wherein the drainer consists of a vertical pipe, a vertical pipe stabilizing member and a connecting piece, and the vertical pipe stabilizing member is arranged on the vertical pipe and is fixed through the connecting piece;
Backfilling broken stone at the position of the foundation pit water collecting well to the top of the drainage ditch;
Thirdly, placing the steel bars of the stabilizing piece of the self-standing type medium-coarse sand drainer downwards at the position in the first step;
Fourthly, sand is stacked on the steel bars of the stabilizing part, and medium coarse sand is uniformly backfilled from the periphery;
Fifthly, normal medium-coarse sand watertight construction is carried out;
sixthly, putting the water pump into the vertical pipe to pump out the excessive water.
Seventhly, cutting a vertical pipe along the top surface of the medium coarse sand;
And backfilling coarse sand in the vertical pipe.
2. The method of draining excess water after watertight construction by a self-standing medium grit drainer as claimed in claim 1, wherein: the vertical pipe is made of PVC, and the compressive strength of the vertical pipe is 0.1MP to 2 MPa.
3. The method of draining excess water after watertight construction by a self-standing medium grit drainer as claimed in claim 1, wherein: the vertical pipe is made of UPVC, and the compressive strength of the vertical pipe is 0.1MP to 2 MPa.
4. the method of draining excess water after watertight construction by a self-standing medium grit drainer as claimed in claim 1, wherein: the vertical pipe is made of PE, and the compressive strength of the vertical pipe is 0.1MP to 2 MPa.
5. The method of draining excess water after watertight construction by a self-standing medium grit drainer as claimed in claim 1, wherein: the vertical pipe is made of PPR, and the compressive strength of the vertical pipe is 0.1MP to 2 MPa.
6. The method of draining excess water after watertight construction by a self-standing medium grit drainer as claimed in claim 1, wherein: the stand pipe stabilizing parts are four reinforcing steel bars with the length of 300mm +500mm and the diameter of 6 mm-32 mm, and the reinforcing steel bars are uniformly distributed along the periphery of the stand pipe.
7. The method of draining excess water after watertight construction by a self-standing medium grit drainer as claimed in claim 1, wherein: the connecting piece adopts two adjustable metal hoops with the inner diameter of 350 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810561529.9A CN110552342A (en) | 2018-06-04 | 2018-06-04 | method for discharging excess water after watertight construction by self-supporting medium-coarse sand drainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810561529.9A CN110552342A (en) | 2018-06-04 | 2018-06-04 | method for discharging excess water after watertight construction by self-supporting medium-coarse sand drainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110552342A true CN110552342A (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810561529.9A Pending CN110552342A (en) | 2018-06-04 | 2018-06-04 | method for discharging excess water after watertight construction by self-supporting medium-coarse sand drainer |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05302330A (en) * | 1992-04-27 | 1993-11-16 | Maeda Corp | Backfilling method for rear of existing building |
| CN103410139A (en) * | 2013-08-20 | 2013-11-27 | 深圳市市政工程总公司 | Backfill compacting method of narrow region of foundation pit |
| CN104711994A (en) * | 2015-01-27 | 2015-06-17 | 江苏省华建建设股份有限公司 | Foundation pit deep well rainfall and plugging construction method |
| CN204418189U (en) * | 2014-12-30 | 2015-06-24 | 上海浦东建筑设计研究院有限公司 | A kind of pit backfill structure |
| CN104846836A (en) * | 2015-05-21 | 2015-08-19 | 中铁四局集团有限公司 | Water supply and drainage device for deep foundation pit and construction method based on water supply and drainage device |
| CN204676565U (en) * | 2014-12-24 | 2015-09-30 | 浙江大学城市学院 | A kind of novel pit backfill structure |
| CN107956221A (en) * | 2017-12-12 | 2018-04-24 | 中国冶集团有限公司 | Downcast well pipe proof protecting device and construction method |
-
2018
- 2018-06-04 CN CN201810561529.9A patent/CN110552342A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05302330A (en) * | 1992-04-27 | 1993-11-16 | Maeda Corp | Backfilling method for rear of existing building |
| CN103410139A (en) * | 2013-08-20 | 2013-11-27 | 深圳市市政工程总公司 | Backfill compacting method of narrow region of foundation pit |
| CN204676565U (en) * | 2014-12-24 | 2015-09-30 | 浙江大学城市学院 | A kind of novel pit backfill structure |
| CN204418189U (en) * | 2014-12-30 | 2015-06-24 | 上海浦东建筑设计研究院有限公司 | A kind of pit backfill structure |
| CN104711994A (en) * | 2015-01-27 | 2015-06-17 | 江苏省华建建设股份有限公司 | Foundation pit deep well rainfall and plugging construction method |
| CN104846836A (en) * | 2015-05-21 | 2015-08-19 | 中铁四局集团有限公司 | Water supply and drainage device for deep foundation pit and construction method based on water supply and drainage device |
| CN107956221A (en) * | 2017-12-12 | 2018-04-24 | 中国冶集团有限公司 | Downcast well pipe proof protecting device and construction method |
Non-Patent Citations (1)
| Title |
|---|
| 许啟新,杨鼎,戈祥林,许静静: "振动水密法基坑回填施工技术", 《建筑施工》 * |
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Application publication date: 20191210 |