CN108517886A - A kind of high hydraulic pressure plugging dewatering well method of high water level - Google Patents
A kind of high hydraulic pressure plugging dewatering well method of high water level Download PDFInfo
- Publication number
- CN108517886A CN108517886A CN201810459273.0A CN201810459273A CN108517886A CN 108517886 A CN108517886 A CN 108517886A CN 201810459273 A CN201810459273 A CN 201810459273A CN 108517886 A CN108517886 A CN 108517886A
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- CN
- China
- Prior art keywords
- well
- water level
- hydraulic pressure
- priming pump
- self priming
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
The invention discloses a kind of high hydraulic pressure plugging dewatering well methods of high water level：Start self priming pump, makes in well after water level reduction, Tong Shiing while drawing water will closing steel plate and steel bushing closing welding.Advantageous effect：Using the method for steel plate is weldeded closure on one side draw water while, efficiently solves in precipitation well construction and to shunt in a well caused by high hydraulic pressure high water level difficult, ensure that the leakproofness of closing steel plate is good.Method using underwater repeatedly repeatedly slip-casting ensures that shut-in well works well, and the method construction is simple, materials procurement is convenient and construction cost is low.The present invention relates to plugging dewatering well methods.
Description
Technical field
The present invention relates to plugging dewatering well methods, more particularly to a kind of high hydraulic pressure plugging dewatering well method of high water level.
Background technology
Tradition dewatering well well-filling techniques carry out steel plate closing weldering using concrete perfusion in well casing to precipitation well head at present
It connects, the closure being suitable under ordinary water level, in the abundant area of level of ground water, water yield is larger in dewatering well, is sealed before main body construction
Well be easy to cause foundation pit water burst phenomenon, and direct concrete perfusion is difficult to accomplish that plugging dewatering well is thorough, and managing interior infiltration upwards will make
It can not be welded at steel plate closing, next procedure can not be carried out.
Invention content
The technical problem to be solved by the present invention is to propose a kind of high hydraulic pressure plugging dewatering well method of high water level, to solve Gao Shui
The problem of high hydraulic pressure dewatering well in position is difficult to solder to sealing plate, continues to seep water after can avoid plugging dewatering well.
The present invention is using technical solution to solve above-mentioned technical problem：A kind of high hydraulic pressure plugging dewatering well side of high water level
Method includes the following steps：
Step 1：Steel bushing is placed in precipitation well head, the lower part of steel bushing is made to stretch into dewatering well；
Step 2：Setting self priming pump suction pipe insert port and slip casting nozzle on closing steel plate；
Step 3：Grouting Pipe with valve is connected on the slip casting nozzle；
Step 4：Closing steel plate is placed on to the top of steel bushing, self priming pump suction pipe is inserted by the self priming pump suction pipe
Mouth stretches into well；
Step 5：Start self priming pump, makes in well after water level reduction, Tong Shiing while drawing water will closing steel plate and steel bushing
Closing welding；
Step 6：Self priming pump suction pipe is taken out, the self priming pump suction pipe insert port is closed；
Step 7：Underwater slip casting is carried out by the Grouting Pipe, completes the closure of dewatering well.
As an improvement, being respectively welded Threaded Connector Coupling to be opened/closed, institute in the self priming pump suction pipe insert port and slip casting nozzle
Grouting Pipe is stated to be connected in slip casting nozzle by Threaded Connector Coupling.
As an improvement, it is continuous full weld to close the weld seam between steel plate and steel bushing in the step 5.
As an improvement, the underwater slip casting in the step 7 includes multiple repeatedly slip-casting, until shut-in well works well.
As an improvement, the thickness of the closing steel plate is 1cm, a diameter of 5cm of the self priming pump suction pipe insert port, it is described
A diameter of 5cm of slip casting nozzle, a diameter of 3cm of the self priming pump suction pipe, a diameter of 2.5cm of the Grouting Pipe.
As an improvement, Grouting Pipe is equipped with valve.
Advantageous effect：Using the method for steel plate is weldeded closure on one side draw water while, efficiently solve in precipitation well construction because
It shunts in a well caused by high hydraulic pressure high water level difficult, ensures that the leakproofness of closing steel plate is good.Using the side of underwater repeatedly repeatedly slip-casting
Method ensures that shut-in well works well, and the method construction is simple, materials procurement is convenient and construction cost is low.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of plugging dewatering well device.
Fig. 2 is the vertical view for closing steel plate.
The noun that embodiment is related to Figure of description includes with label：Steel bushing 1, closing steel plate 2, valve 3, self priming pump
4, self priming pump suction pipe 5, Grouting Pipe 6, Threaded Connector Coupling 7, outlet pipe 8, self priming pump suction pipe insert port 9, slip casting nozzle 10.
Specific implementation mode
Referring to figs. 1 to 2, a kind of high hydraulic pressure plugging dewatering well method of high water level, it is characterised in that include the following steps：
Step 1：Steel bushing 1 is placed in precipitation well head, and the lower part of steel bushing 1 is made to stretch into dewatering well；
Step 2：Setting self priming pump suction pipe insert port 9 and slip casting nozzle 10 on closing steel plate 2；
Step 3：Grouting Pipe 6 with valve 3 is connected on the slip casting nozzle 10；
Step 4：Closing steel plate 2 is placed on to the top of steel bushing 1, self priming pump suction pipe 5 is inserted by the self-priming pumping
Entrance 9 stretches into well；
Step 5：Start self priming pump 4, makes in well after water level reduction, Tong Shiing while drawing water will closing steel plate 2 and steel bushing
1 closing welding of cylinder；
Step 6：Take out self priming pump suction pipe 5, closing self priming pump suction pipe insert port 9；
Step 7：Open valve 3 carries out underwater slip casting by Grouting Pipe 6, completes the closure of dewatering well.
Referring to figs. 1 to 2, self priming pump 4 is equipped with the outlet pipe 8 for the self priming pump suction pipe 4 of water suction and for draining, self-priming
Pump 4 can also be replaced with other kinds of water pump.Valve 3 can facilitate the opening and closing of control Grouting Pipe 6, to realize flexible slip casting.From
Threaded Connector Coupling 7 to be opened/closed is respectively welded in sucking pump suction pipe insert port 9 and slip casting nozzle 10, the Grouting Pipe 6 passes through Threaded Connector Coupling 7
It is connected in slip casting nozzle 10, the flexible and cost easy to connect of Threaded Connector Coupling 7 is relatively low.Steel plate 2 and steel bushing 1 are closed in step 5
Between weld seam be continuous full weld, it is ensured that the good leakproofness of sealing steel plate prevents foundation pit from seeping water repeatedly.Water in step 7
Lower slip casting includes multiple repeatedly slip-casting, until shut-in well works well.The thickness for closing steel plate 2 is 1cm, and the self priming pump suction pipe is inserted
A diameter of 5cm of entrance 9, a diameter of 5cm of the slip casting nozzle 10, a diameter of 3cm of the self priming pump suction pipe 5, the note
Starch a diameter of 2.5cm of pipe 6.
The present invention, which is used, weldeds closure the method for steel plate on one side draw water while, so that the water level in well is reduced, efficiently solves
Shut-in well is difficult caused by high hydraulic pressure high water level in precipitation well construction, ensures that the leakproofness of closing steel plate is good.The method is constructed
Simply, materials procurement is convenient and construction cost is low, and different self priming pumps, versatility can be selected according to site operation demand
It is good.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party
Formula, technical field those of ordinary skill within the scope of knowledge, can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (6)
1. a kind of high hydraulic pressure plugging dewatering well method of high water level, it is characterised in that include the following steps：
Step 1：Steel bushing is placed in precipitation well head, the lower part of steel bushing is made to stretch into dewatering well；
Step 2：Setting self priming pump suction pipe insert port and slip casting nozzle on closing steel plate；
Step 3：Grouting Pipe is connected on the slip casting nozzle；
Step 4：Closing steel plate is placed on to the top of steel bushing, self priming pump suction pipe is stretched by the self priming pump suction pipe insert port
Enter in well；
Step 5：Start self priming pump, make in well after water level reduction, steel plate will be closed by Tong Shiing while drawing water closes with steel bushing
Welding；
Step 6：Self priming pump suction pipe is taken out, the self priming pump suction pipe insert port is closed；
Step 7：Underwater slip casting is carried out by the Grouting Pipe, completes the closure of dewatering well.
2. a kind of high hydraulic pressure plugging dewatering well method of high water level according to claim 1, it is characterised in that：The self priming pump
Threaded Connector Coupling to be opened/closed is respectively welded in suction pipe insert port and slip casting nozzle, the Grouting Pipe is connected to slip casting by Threaded Connector Coupling
In nozzle.
3. a kind of high hydraulic pressure plugging dewatering well method of high water level according to claim 1, it is characterised in that：The step 5
Weld seam between middle closing steel plate and steel bushing is continuous full weld.
4. a kind of high hydraulic pressure plugging dewatering well method of high water level according to claim 1, it is characterised in that：The step 7
In underwater slip casting include multiple repeatedly slip-casting, until shut-in well work well.
5. a kind of high hydraulic pressure plugging dewatering well method of high water level according to claim 1, it is characterised in that：The closing steel
The thickness of plate be 1cm, a diameter of 5cm of the self priming pump suction pipe insert port, a diameter of 5cm of the slip casting nozzle, it is described from
A diameter of 3cm of sucking pump suction pipe, a diameter of 2.5cm of the Grouting Pipe.
6. a kind of high hydraulic pressure plugging dewatering well method of high water level according to claim 1, it is characterised in that：The Grouting Pipe
It is equipped with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459273.0A CN108517886A (en) | 2018-05-14 | 2018-05-14 | A kind of high hydraulic pressure plugging dewatering well method of high water level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459273.0A CN108517886A (en) | 2018-05-14 | 2018-05-14 | A kind of high hydraulic pressure plugging dewatering well method of high water level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108517886A true CN108517886A (en) | 2018-09-11 |
Family
ID=63430632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810459273.0A Pending CN108517886A (en) | 2018-05-14 | 2018-05-14 | A kind of high hydraulic pressure plugging dewatering well method of high water level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108517886A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453707A (en) * | 2019-08-18 | 2019-11-15 | 杨树东 | A kind of high pressure dewatering well self-sealing waterproof construction and its construction method |
| CN113356249A (en) * | 2021-05-18 | 2021-09-07 | 中铁十六局集团第一工程有限公司 | Dewatering well sealing device and dewatering well sealing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203768925U (en) * | 2014-04-02 | 2014-08-13 | 于航 | Seal device for dewatering well in foundation pit |
| CN105332383A (en) * | 2014-08-13 | 2016-02-17 | 江苏信拓建设(集团)股份有限公司 | Device for rapidly blocking dewatering pipe well through drainage and decompression and method of device |
| CN206706791U (en) * | 2017-04-28 | 2017-12-05 | 高创建设股份有限公司 | Base pit dewatering well plugging structure |
-
2018
- 2018-05-14 CN CN201810459273.0A patent/CN108517886A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203768925U (en) * | 2014-04-02 | 2014-08-13 | 于航 | Seal device for dewatering well in foundation pit |
| CN105332383A (en) * | 2014-08-13 | 2016-02-17 | 江苏信拓建设(集团)股份有限公司 | Device for rapidly blocking dewatering pipe well through drainage and decompression and method of device |
| CN206706791U (en) * | 2017-04-28 | 2017-12-05 | 高创建设股份有限公司 | Base pit dewatering well plugging structure |
Non-Patent Citations (1)
| Title |
|---|
| 林季伦: "某广场地下室降水井涌水堵漏施工", 《中国建筑防水》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453707A (en) * | 2019-08-18 | 2019-11-15 | 杨树东 | A kind of high pressure dewatering well self-sealing waterproof construction and its construction method |
| CN110453707B (en) * | 2019-08-18 | 2021-03-23 | 杨树东 | Self-sealing waterproof structure of high-pressure dewatering well and construction method of self-sealing waterproof structure |
| CN113356249A (en) * | 2021-05-18 | 2021-09-07 | 中铁十六局集团第一工程有限公司 | Dewatering well sealing device and dewatering well sealing method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180911 |
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| RJ01 | Rejection of invention patent application after publication |