CN109882113A - A kind of plugging dewatering well structure and its construction method - Google Patents
A kind of plugging dewatering well structure and its construction method Download PDFInfo
- Publication number
- CN109882113A CN109882113A CN201910173712.6A CN201910173712A CN109882113A CN 109882113 A CN109882113 A CN 109882113A CN 201910173712 A CN201910173712 A CN 201910173712A CN 109882113 A CN109882113 A CN 109882113A
- Authority
- CN
- China
- Prior art keywords
- dewatering well
- hole
- steel pipe
- steel plate
- water
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Piles And Underground Anchors (AREA)
Abstract
A kind of plugging dewatering well structure and its construction method, including cover board, cover plate central offers first through hole, the surrounding of first through hole offers several fastener fixation holes, cover board bottom fixing assembling has casing, described sleeve pipe and first through hole are coaxially disposed, fixing assembling has top to block steel plate in casing, top blocks steel plate center and offers the second through-hole, slidable fit is drawn water steel pipe in second through-hole, second through-hole surrounding offers several third through-holes, slidable fit has bracket in several third through-holes, frame bottom fixing assembling has bottom to block steel plate, the steel pipe that draws water is equipped with valve, valve is located at the top that top blocks steel plate；Plugging structure and construction method of the invention has many advantages, such as that economical and practical, simple and easy, closure is high-quality, prevents base plate leakage, overall structure from consolidating, bearing capacity is high, and highest bearing capacity is up to 800kN.
Description
Technical field
The invention belongs to Geotechnical Engineering fields, and in particular to a kind of plugging dewatering well structure and its construction method.
Background technique
With the development and utilization of the underground space, the cutting depth of underground engineering is deeper and deeper, under conditions of high water level
Construction, it is easy to the problems such as causing soil body slipping, supporting structure water-leakage, instability of foundation pit.To ensure construction safety, need to have taken
Effect measure lowering of watertable, usual way are to arrange that a certain number of dewatering wells carry out at precipitation in building bottom plate
Reason.But, water yield biggish dewatering well larger for hydraulic pressure, how to block well head is always a construction difficult problem, is not had still at present
The solution having had.
Summary of the invention
Of the existing technology in order to solve the problems, such as, the present invention provides a kind of plugging dewatering well structure and its construction method,
Technical solution is as follows:
A kind of plugging dewatering well structure, including cover board, cover plate central offer first through hole, and the surrounding of first through hole opens up
There are several fastener fixation holes, cover board bottom fixing assembling has casing, and described sleeve pipe and first through hole are coaxially disposed, solid in casing
Surely it is equipped with top and blocks steel plate, top blocks steel plate center and offers the second through-hole, and slidable fit is drawn water in the second through-hole
Steel pipe, the second through-hole surrounding offer several third through-holes, and slidable fit has bracket in several third through-holes, and frame bottom is fixed
It is equipped with bottom and blocks steel plate, the steel pipe that draws water is equipped with valve, and valve is located at the top that top blocks steel plate.
A kind of construction method of plugging dewatering well structure, using a kind of plugging dewatering well structure above-mentioned, including following step
It is rapid:
Step 1 is drained the water on ground near dewatering well with water pump；
Plugging dewatering well structure is inserted into dewatering well by step 2, the lower end for the steel pipe that makes to draw water be located at dewatering well well head with
At lower 1.5m, and the upper end and pedestal upper end of the steel pipe that draws water are fixed temporarily；
Water level in dewatering well is evacuated to dewatering well well head or less 1.5m using steel pipe is drawn water by step 3；
Step 4 opens up annular recess and smears silicone adhesive in the concrete surface of dewatering well well head surrounding, in annular recess
Sealing rod is installed；
Step 5, positioning cover plate keep cover board and dewatering well well head concentric, and cover board are bonded on silicone adhesive, then utilize
Fastener fixes cover board；
Step 6 blocks steel plate using support lift bottom, and the lower end for the steel pipe that makes to draw water is located at dewatering well well head or less 1m
Place, while so that bottom is blocked upper surface of steel plate and steel pipe lower end jam-packed and being welded and fixed with drawing water；
Step 7, will draw water steel pipe and top block steel plate and weld together, after weld seam is cooling, draw water steel pipe with it is upper
The junction winding sealing that portion blocks steel plate expands adhesive tape；
Bracket is truncated below dewatering well well head for step 8；
Step 9, the steel pipe that will draw water below dewatering well well head, more than valve truncation, and grouting material is poured into dewatering well
It is blocked；
Step 10, the protection of cover board brush antirust paint.
Compared with prior art, the beneficial effects of the present invention are:
Plugging structure and construction method of the invention is with economical and practical, simple and easy, closure is high-quality, prevents bottom plate from seeping
Leakage, the advantages that overall structure is firm, bearing capacity is high, highest bearing capacity up to 800kN, present invention is mainly used for solve hydraulic pressure compared with
Big well head plugging construction problem, meanwhile, the water problems that goes out of contralateral exposure and palisades hole also has reference.
Detailed description of the invention
Fig. 1 is the schematic diagram of plugging dewatering well structure of the present invention；
Fig. 2 is the schematic top plan view of cover board of the present invention；
Fig. 3 is the schematic diagram of construction method of the present invention；
Fig. 4 is the partial enlargement diagram in Fig. 3 at A.
Wherein: cover board 1；First through hole 2；Fastener fixation hole 3；Mounting hole 4；Casing 5；Top blocks steel plate 6；Second is logical
Hole 7；Draw water steel pipe 8；Third through-hole 9；Bracket 10；Bottom blocks steel plate 11；Valve 12；Annular recess 13；Silicone adhesive 14；Sealing
Item 15.
Specific embodiment
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
As shown in Figures 1 to 4, the present invention provides a kind of plugging dewatering well structure, including cover board 1,1 center of cover board is opened up
There is first through hole 2, the surrounding array of first through hole 2 offers 48 fastener fixation holes 3, the concrete of dewatering well well head surrounding
Face is equipped with 48 corresponding mounting holes 4, and fastener is spirally connected after passing through fastener fixation hole 3 with mounting hole 4, to realize cover board 1
Fixation, fastener can be common high-strength bolt or expansion bolt, and 1 bottom fixing assembling of cover board has a casing 5, casing 5 it is outer
Diameter is slightly less than the internal diameter of dewatering well, and described sleeve pipe 5 and first through hole 2 are coaxially disposed, and fixing assembling has top to block steel in casing 5
Plate 6, top block 6 center of steel plate and offer the second through-hole 7, and slidable fit is drawn water steel pipe 8 in the second through-hole 7, the second through-hole 7
Surrounding array offers 12 third through-holes 9, and slidable fit has bracket 10 in several third through-holes 9, and the bracket 10 is by 12
Reinforcing bar is constituted, and 10 bottom fixing assembling of bracket has bottom to block steel plate 11, and the steel pipe 8 that draws water is equipped with valve 12, and valve 12 is located at upper
The top of portion's closure steel plate 6.
A kind of construction method of plugging dewatering well structure, using a kind of plugging dewatering well structure above-mentioned, including following step
It is rapid:
Step 1 is drained the water on ground near dewatering well with water pump；
Plugging dewatering well structure is inserted into dewatering well by step 2, and the lower end for the steel pipe 8 that makes to draw water is located at dewatering well well head
Upper end and 10 upper end of bracket at following 1.5m, and to the steel pipe 8 that draws water are fixed temporarily；
Water level in dewatering well is evacuated to dewatering well well head or less 1.5m using steel pipe 8 is drawn water by step 3；
Step 4 opens up annular recess 13 and smears silicone adhesive 14 in the concrete surface of dewatering well well head surrounding, cyclic annular recessed
Sealing rod 15 is installed, specifically, annular recess 13 is arranged close to dewatering well well head side in slot 13；
Step 5, positioning cover plate 1 keep cover board 1 and dewatering well well head concentric, and cover board 1 is bonded on silicone adhesive 14, so
The fixed cover board 1 of fastener is utilized afterwards；
Step 6 promotes bottom using bracket 10 and blocks steel plate 11, the lower end for the steel pipe 8 that makes to draw water be located at dewatering well well head with
At lower 1m, while so that bottom is blocked 11 upper surface of steel plate and 8 lower end jam-packed of steel pipe and being welded and fixed with drawing water；
Step 7, will draw water steel pipe 8 and top block steel plate 6 and weld together, after weld seam is cooling, draw water steel pipe 8 with
The junction winding sealing that top blocks steel plate 6 expands adhesive tape；
Bracket 10 is truncated below dewatering well well head for step 8；
Step 9, below dewatering well well head, 12 or more the valve steel pipe 8 that will draw water is truncated, and pours grouting into dewatering well
Material is blocked；
Step 10, the protection of 1 brush antirust paint of cover board.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although referring to above-described embodiment pair
The present invention is described in detail, and the those of ordinary skill in field is it is understood that still can be to specific embodiment party of the invention
Formula is modified or replaced equivalently, and without departing from any modification of spirit and scope of the invention or equivalent replacement, it should all
Cover in present claims range.
Claims (2)
1. a kind of plugging dewatering well structure, which is characterized in that including cover board, cover plate central offers first through hole, first through hole
Surrounding offer several fastener fixation holes, cover board bottom fixing assembling has casing, and described sleeve pipe is coaxially set with first through hole
It sets, fixing assembling has top to block steel plate in casing, and top blocks steel plate center and offers the second through-hole, sliding in the second through-hole
It is equipped with the steel pipe that draws water, the second through-hole surrounding offers several third through-holes, and slidable fit has bracket in several third through-holes, branch
Frame bottom fixing assembling has bottom to block steel plate, and the steel pipe that draws water is equipped with valve, and valve is located at the top that top blocks steel plate.
2. a kind of construction method of plugging dewatering well structure, using a kind of plugging dewatering well structure as described in claim 1,
It is characterized in that, comprising the following steps:
Step 1 is drained the water on ground near dewatering well with water pump；
Plugging dewatering well structure is inserted into dewatering well by step 2, and the lower end for the steel pipe that makes to draw water is located at dewatering well well head or less
At 1.5m, and the upper end and pedestal upper end of the steel pipe that draws water are fixed temporarily；
Water level in dewatering well is evacuated to dewatering well well head or less 1.5m using steel pipe is drawn water by step 3；
Step 4 opens up annular recess and smears silicone adhesive in the concrete surface of dewatering well well head surrounding, installs in annular recess
Sealing rod；
Step 5, positioning cover plate keep cover board and dewatering well well head concentric, and cover board are bonded on silicone adhesive, then utilize fastening
Part fixes cover board；
Step 6 blocks steel plate using support lift bottom, and the lower end for the steel pipe that makes to draw water is located at dewatering well well head or less 1m, together
When make bottom block upper surface of steel plate steel pipe lower end jam-packed and to be welded and fixed with drawing water；
Step 7, will draw water steel pipe and top block steel plate and weld together, and after weld seam is cooling, are drawing water steel pipe and top is sealed
The junction winding sealing of stifled steel plate expands adhesive tape；
Bracket is truncated below dewatering well well head for step 8；
Step 9, the steel pipe that will draw water below dewatering well well head, more than valve truncation, and grouting material progress is poured into dewatering well
It blocks；
Step 10, the protection of cover board brush antirust paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910173712.6A CN109882113B (en) | 2019-03-07 | 2019-03-07 | Construction method of dewatering well plugging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910173712.6A CN109882113B (en) | 2019-03-07 | 2019-03-07 | Construction method of dewatering well plugging structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109882113A true CN109882113A (en) | 2019-06-14 |
| CN109882113B CN109882113B (en) | 2020-12-01 |
Family
ID=66931274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910173712.6A Active CN109882113B (en) | 2019-03-07 | 2019-03-07 | Construction method of dewatering well plugging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109882113B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897991A (en) * | 2021-11-08 | 2022-01-07 | 安徽水利开发有限公司 | Plugging device for dewatering well steel cover plate and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3543851A (en) * | 1968-10-21 | 1970-12-01 | Tenneco Oil Co | Apparatus for producing water from a well |
| CN103334444A (en) * | 2013-07-09 | 2013-10-02 | 中国一冶集团有限公司 | Decompression type blocking method for foundation pit dewatering well |
| CN103343543A (en) * | 2013-07-09 | 2013-10-09 | 中国一冶集团有限公司 | Foundation pit dewatering well pressure-reduction-type plugging method |
| CN103911988A (en) * | 2014-04-03 | 2014-07-09 | 大连理工大学 | Novel wall protection pile for foundation pit supporting |
| CN203768926U (en) * | 2014-04-08 | 2014-08-13 | 江苏扬州建工建设集团有限公司 | Basement deep well plugging device |
| CN203768925U (en) * | 2014-04-02 | 2014-08-13 | 于航 | Seal device for dewatering well in foundation pit |
-
2019
- 2019-03-07 CN CN201910173712.6A patent/CN109882113B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3543851A (en) * | 1968-10-21 | 1970-12-01 | Tenneco Oil Co | Apparatus for producing water from a well |
| CN103334444A (en) * | 2013-07-09 | 2013-10-02 | 中国一冶集团有限公司 | Decompression type blocking method for foundation pit dewatering well |
| CN103343543A (en) * | 2013-07-09 | 2013-10-09 | 中国一冶集团有限公司 | Foundation pit dewatering well pressure-reduction-type plugging method |
| CN203768925U (en) * | 2014-04-02 | 2014-08-13 | 于航 | Seal device for dewatering well in foundation pit |
| CN103911988A (en) * | 2014-04-03 | 2014-07-09 | 大连理工大学 | Novel wall protection pile for foundation pit supporting |
| CN203768926U (en) * | 2014-04-08 | 2014-08-13 | 江苏扬州建工建设集团有限公司 | Basement deep well plugging device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897991A (en) * | 2021-11-08 | 2022-01-07 | 安徽水利开发有限公司 | Plugging device for dewatering well steel cover plate and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109882113B (en) | 2020-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107299643B (en) | Steel lattice column combined type tower crane foundation structure in foundation pit and construction method | |
| CN104947682A (en) | Foundation pit support construction method and device thereof | |
| CN106088120B (en) | A kind of cofferdam decentralization construction method | |
| CN105780806A (en) | Offshore wind turbine foundation for long-leg jacket of drilling piles and construction method of offshore wind turbine foundation | |
| CN203654309U (en) | Pile-caisson hydraulic structure | |
| CN103572770B (en) | A kind of stake case hydraulic structures and construction method thereof | |
| CN208441084U (en) | Coercion underground continuous wall | |
| CN109882113A (en) | A kind of plugging dewatering well structure and its construction method | |
| CN218757635U (en) | High antidetonation type building foundation | |
| CN205369277U (en) | Support whole system of transferring in cofferdam | |
| CN209523214U (en) | A kind of assembly type wedge shape pile foundation mechanism | |
| CN208441083U (en) | Half coercion underground continuous wall structure | |
| CN204715364U (en) | A kind of foundation pit support device | |
| CN208933993U (en) | A kind of embedding rock single pile of offshore wind farm and its construction system | |
| CN207143965U (en) | Steel plate concrete combined type anti-floating water sealing structure | |
| CN108301409A (en) | A kind of interior casing mounting process | |
| CN214832630U (en) | Hole collapse and hole expansion preventing fixed cylinder for pile foundation pit | |
| CN211231961U (en) | Reinforced concrete pipe that leakproofness is good | |
| CN211256953U (en) | Reinforcing pile structure for improving foundation stress | |
| CN114396063A (en) | Steel cofferdam positioning adjustment system and positioning method | |
| CN114541438A (en) | Steel cofferdam with positioning function and positioning method thereof | |
| CN208981334U (en) | Go along with sb. to guard him ruggedized construction in underground | |
| CN209243733U (en) | A kind of compound gravity retaining wall structure of soft clay area ultra-deep foundation pit | |
| CN207794098U (en) | Supporting construction is supportted in a kind of oblique throwing convenient for construction of bottom plates | |
| CN109869116A (en) | A kind of plugging dewatering well structure and its construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |