CN106836251A - A kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall and its construction method - Google Patents
A kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall and its construction method Download PDFInfo
- Publication number
- CN106836251A CN106836251A CN201710101731.9A CN201710101731A CN106836251A CN 106836251 A CN106836251 A CN 106836251A CN 201710101731 A CN201710101731 A CN 201710101731A CN 106836251 A CN106836251 A CN 106836251A
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- China
- Prior art keywords
- pipe well
- steel sleeve
- circular groove
- base plate
- borehole wall
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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 new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall, including pipe well, steel sleeve, steel sleeve and pipe well flax silk the mud mode that adds water are connected, coarse sand recharge layer is respectively equipped with inside it from bottom to top and high grade fast hardening concrete pours layer, the top of steel sleeve is less than base plate and is welded with steel deck-plate, and its top sets slightly expanded concrete sealing layer and flushed with plate top surface, and steel sleeve outside is welded with three sealing Ji rings；Closed with the cement mortar mixed with waterproofing agent at pipe well upper pipes well head, it is artificial picking out with pipe well center superposition and the circular groove at the top for being less than pipe well, circular groove bottom to the water-proof concrete consistent with base plate of one-piece casting between plate top surface that outside is provided with one.Invention additionally discloses a kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall, it is using multiple seepage control measure and preferred with material by process improving, make constructing operation easier, construction quality is more easy to ensure, and is prevented effectively from the generation of Seepage.
Description
Technical field
The invention belongs to technical field of buildings, more particularly to a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall and its
Construction method.
Background technology
Generally, need to carry out tube well dewatering during basement construction, after the completion of basement bottom board concrete placings still
Tube well dewatering need to be carried out, after main body construction reaches design requirement, precipitation can be stopped and pipe well closure is carried out.Current art one
As use the box out on base plate, then fill fast hardening concrete to base plate bottom surface in pipe well, then with slightly expanded concrete the bottom of by
Plate filling-in.The form of construction work carries out waterproof mainly by concrete, once fast hardening concrete is by groundwater infiltration in well, it is easy to make
It is destroyed at pipe well into base plate leakage, and base plate waterproofing, it is impossible to form overall waterproof layer, influences waterproof quality.
The content of the invention
The present invention provides a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall and its construction method, can using the present invention
Effectively solve the problems, such as that underground water seepage occurs in pipe well.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall, including pipe well, steel sleeve, base plate and bottom cushion, institute
The diameter for stating steel sleeve is slightly less than the diameter of pipe well, and steel sleeve lower end is located at pipe well upper end inner side, steel sleeve lower end outside fiber crops
The silk mud that adds water is connected with pipe well upper end, with the cement mortar closing mixed with waterproofing agent at pipe well upper pipes well head；Under the pipe well
It is coarse sand recharge layer to hold, and the top of coarse sand recharge layer is high grade fast hardening concrete pouring layer, and high grade fast hardening concrete is poured
The upper end of layer flushes with steel sleeve；The top of the steel sleeve is less than base plate, and steel deck-plate, steel are welded with the mouth of pipe of steel sleeve upper end
Slightly expanded concrete sealing layer is poured above cover plate, slightly expanded concrete sealing layer is flushed with plate top surface, outside steel sleeve
Side is located between steel deck-plate and pipe well top and is welded with three sealing Ji rings.The pipe well top is less than bottom cushion absolute altitude, pipe
The upper pipes well head outside of well is provided with the center superposition of an artificial diameter the picked out circular groove bigger than pipe well, circular groove and pipe well, circle
The bottom of groove less than pipe well top, in circular groove and circular groove top surface is to using the anti-water coagulation consistent with base plate between plate top surface
Native one-piece casting.
Further, circular groove diameter 600mm bigger than the diameter of pipe well, circular groove bottom surface is away from bottom cushion bottom surface 400mm.
Further, the steel sleeve lower end and the lap of splice of pipe well upper end are 1000mm.
Further, the position of three sealing Jis ring is located at plate upper surface 150mm, apart from base plate respectively
At lower surface 150mm and at circular groove bottom land 150mm.
Further, the thickness of sealing Ji ring is 6mm, and width is 150mm, and the thickness of the steel deck-plate is 6mm.
Further, the distance from top pipe well top surface 2000mm of the coarse sand recharge layer, high grade fast hardening concrete is poured
Layer upper surface is away from plate top surface 100mm.
The present invention also provides a kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall, and its technical scheme is such as
Under：
A kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall, the construction method comprises the following steps：
When step one, earth excavation to bottom cushion absolute altitude, a diameter is manually picked out than pipe well diameter along pipe well periphery
Big circular groove, pipe well and circular groove center superposition, block pipe well at circular groove bottom up 100mm；
Step 2, past pipe well are inserted into the diameter steel sleeve more smaller than pipe well internal diameter, and base top is higher by the top of steel sleeve
Face 500mm, lower end and the pipe well of steel sleeve are overlapped, and the lap of splice is 1000mm；On the outside of steel sleeve wind flax silk add water mud with
Pipe well upper end is connected, and pipe well upper pipes outer wellhead is closed with the cement mortar mixed with waterproofing agent, in steel sleeve outside top and pipe well
Three sealing Ji rings are welded between top；
Step 3, using the water-proof concrete consistent with base plate by circular groove and base plate one-piece casting；
When step 4, shut-in well, steel sleeve is cut off at 100mm under plate top surface, apart from below pipe well top surface 2000mm
Pipe well section uses coarse sand recharge, is then poured onto below plate top surface at 100mm with high grade fast hardening concrete again, is welded with steel deck-plate,
Weld seam is full, is finally poured to plate top surface with slightly expanded concrete and flushed.
Further, the diameter of the circular groove in the step one 600mm bigger than the diameter of pipe well, depth is 400mm.
Further, in the step 2 three positions of sealing Ji ring be located at plate upper surface 150mm respectively,
At base plate lower surface 150mm and at circular groove bottom land 150mm.
Further, three thickness of sealing Ji ring are 6mm in the step 2, and width is 150mm, in the step 4
The thickness of steel deck-plate is 6mm.
The present invention can effectively solve the problem that groundwater infiltration, construction quality easily occurs in traditional pipe well closure waterproof construction
The problem that cannot ensure of requirement, compared with traditional pipe well closure waterproof construction, the present invention uses multiple seepage control measure, and passes through
Process improving is preferred with material, makes constructing operation easier, and construction material is common construction material, construction cost
Further declined, with very strong practicality, construction quality is more easy to be guaranteed and be prevented effectively from the generation of Seepage.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and detailed description：
Fig. 1 is a kind of pre-buried deformation joint anti-seepage structure schematic diagram of the new pipe well borehole wall；
Fig. 2 is a kind of pre-buried deformation joint anti-seepage structure construction method schematic diagram of the new pipe well borehole wall；
In figure：1. steel sleeve 2. mixed with the flax silk of cement mortar 3. of waterproofing agent add water the coarse sand recharge of 4. steel deck-plate of mud 5. layer
6. high grade fast hardening concrete pours the pipe well of 8. 9. bottom cushion of sealing Ji ring of layer 7. slightly expanded concrete sealing layer 10.
The circular groove of 11. water-proof concrete, 12. base plate 13..
Specific embodiment
In order to preferably explain the present invention, come in the present invention is furture elucidated with specific embodiment below in conjunction with the accompanying drawings
Hold, but present disclosure is not limited only to following examples.
A kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall as shown in Figure 1, including pipe well 10, steel sleeve 1, base plate
12 and bottom cushion 9, the diameter of the steel sleeve 1 is slightly less than the diameter of pipe well 10, and the lower end of steel sleeve 1 is located in the upper end of pipe well 10
Side, the lower end outside flax silk of steel sleeve 1 mud 3 that adds water is connected with the upper end of pipe well 10, with mixed with waterproof at the upper pipes well head of pipe well 10
The cement mortar 2 of agent is closed；The lower end of the pipe well 10 be coarse sand recharge layer 5, coarse sand recharge layer 5 top for high grade rapid hardening mix
Solidifying soil pours layer 6, and the upper end that high grade fast hardening concrete pours layer 6 flushes with the top of steel sleeve 1；The top of the steel sleeve 1
Less than base plate 12, steel deck-plate 4 is welded with the upper end mouth of pipe of steel sleeve 1, the top of steel deck-plate 4 has poured slightly expanded concrete and sealed
Layer 7, slightly expanded concrete sealing layer 7 is flushed with the top surface of base plate 12, and the outside of steel sleeve 1 is located at steel deck-plate 4 with the top of pipe well 10
Between be welded with three sealing Ji rings 8；The top of the pipe well 10 is less than the absolute altitude of bottom cushion 9, the upper pipes well head outside of pipe well 10
It is provided with the center superposition of an artificial diameter the picked out circular groove 13 bigger than pipe well 10, circular groove 13 and pipe well 10, the bottom of circular groove 13
Less than the top of pipe well 10, circular groove 13 is interior and the top surface of circular groove 13 is mixed between the top surface of base plate 12 using the waterproof consistent with base plate 12
Coagulate native 11 one-piece casting.The new pre-buried deformation joint anti-seepage structure design of the pipe well borehole wall is succinct, by setting various waterproof constructions,
Can effectively prevent underground water from seepage occurring, material therefor is common construction material, construction costs can be made further to be reduced,
There is larger economic benefit.
Circular groove 13 described in a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall of the present invention may be configured as diameter and compare pipe well
The 10 big 600mm of diameter, bottom surface is away from the bottom surface 400mm of bottom cushion 9.
The lower end of steel sleeve 1 described in a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall of the present invention and the upper end of pipe well 10
The lap of splice may be configured as 1000mm.
Three positions of sealing Ji ring 8 can be set described in a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall of the present invention
It is located at respectively at the upper surface 150mm of base plate 12, at the lower surface 150mm of base plate 12 and apart from the bottom land 150mm of circular groove 13
Place.
The thickness of sealing Ji ring 8 may be configured as described in a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall of the present invention
6mm, width may be configured as 150mm.
The distance from top pipe well of coarse sand recharge layer 5 described in a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall of the present invention
10 top surfaces may be configured as 2000mm, and high grade fast hardening concrete pours the upper surface of layer 6 and may be configured as 100mm away from the top surface of base plate 12.
The thickness of steel deck-plate 4 may be configured as 6mm described in a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall of the present invention.
Above-mentioned is that the new pre-buried deformation joint anti-seepage structure material therefor of the pipe well borehole wall is carried out preferably, to reach more preferably
Waterproof effect.
As shown in Fig. 2 a kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall, the construction method includes
Following steps：
When step one, earth excavation to 9 absolute altitude of bottom cushion, manually a diameter is picked out along the periphery of pipe well 10 more straight than pipe well
The big circular groove 13 in footpath, pipe well 10 and the center superposition of circular groove 13, block pipe well 10 at the bottom of circular groove 13 up 100mm；
Step 2, past pipe well 10 are inserted into the diameter steel sleeve 1 more smaller than the internal diameter of pipe well 10, and the top of steel sleeve 1 is higher by
Plate top surface 500mm, lower end and the pipe well 10 of steel sleeve 1 are overlapped, and the lap of splice is 1000mm；In the outside flax silk of steel sleeve 1
The mud 3 that adds water is connected with the upper end of pipe well 10, and the upper pipes outer wellhead of pipe well 10 is closed with the cement mortar 2 mixed with waterproofing agent, in steel sleeve 1
Three sealing Ji rings 8 are welded between outside top and the top of pipe well 10.
Step 3, using the water-proof concrete 11 consistent with base plate 12 by circular groove 13 and the one-piece casting of base plate 12.
When step 4, shut-in well, steel sleeve 1 is cut off at 100mm under the top surface of base plate 12, apart from the top surface 2000mm of pipe well 10
Following pipe well section uses coarse sand recharge, is then poured onto below plate top surface at 100mm with high grade fast hardening concrete again, is welded with thickness
It is the steel deck-plate 4 of 6mm, weld seam is full, is finally poured to the top surface of base plate 12 with slightly expanded concrete and flushed.
A kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall of the invention described above, work progress operation letter
Single, construction quality is easier to be guaranteed, and is that can effectively prevent basement bottom board waterproof construction from the construction technique of seepage occur,
With very strong practicality, the features such as it has process is simple, cheap, excellent performance, in rich water deep basal pit basement tool
There is very strong applicability.
Setting in step one described in a kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall of the present invention
The diameter 600mm bigger than the diameter of pipe well 10 of circular groove 13 is put, depth is 400mm.
Three are stopped in step 2 described in a kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall of the present invention
The position of water Ji ring 8 is settable be located at respectively at the upper surface 150mm of base plate 12, at the lower surface 150mm of base plate 12 and
At the bottom land 150mm of circular groove 13.
Three are stopped in step 2 described in a kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall of the present invention
The thickness of water Ji ring 8 may be configured as 6mm, and width may be configured as 150mm.
Steel deck-plate 4 in step 4 described in a kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall of the present invention
Thickness may be configured as 6mm.
Above-mentioned is that material therefor is carried out preferably in construction method to the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall,
More preferable waterproof effect can be reached.
Presently preferred embodiments of the present invention is these are only, but protection scope of the present invention is not limited thereto, it is any to be familiar with sheet
Those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in should all be covered
Within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should be defined by claim is defined.
Claims (10)
1. a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall, including pipe well (10), steel sleeve (1), base plate (12) and bottom
Plate bed course (9), it is characterised in that：The diameter of the steel sleeve (1) is slightly less than the diameter of pipe well (10), steel sleeve (1) lower end position
In pipe well (10) upper end inner side, steel sleeve (1) lower end outside flax silk mud (3) that adds water is connected with pipe well (10) upper end, pipe well
(10) closed with the cement mortar (2) mixed with waterproofing agent at upper pipes well head；The lower end of the pipe well (10) is coarse sand recharge layer
(5), the top of coarse sand recharge layer (5) is high grade fast hardening concrete pouring layer (6), and high grade fast hardening concrete pours layer (6)
Upper end flushed with steel sleeve (1)；The top of the steel sleeve (1) is less than base plate (12), is welded at the mouth of pipe of steel sleeve (1) upper end
There is steel deck-plate (4), slightly expanded concrete sealing layer (7), slightly expanded concrete sealing layer (7) have been poured above steel deck-plate (4)
Flushed with base plate (12) top surface, steel sleeve (1) outside is located between steel deck-plate (4) and pipe well (10) top and is welded with three sealings
Ji Huan (8)；Pipe well (10) top is less than bottom cushion (9) absolute altitude, and the upper pipes well head outside of pipe well (10) is provided with a people
The center superposition of the diameter that work the is picked out circular groove (13) bigger than pipe well (10), circular groove (13) and pipe well (10), the bottom of circular groove (13)
Less than the top of pipe well (10), circular groove (13) is interior and circular groove (13) top surface is used and base plate (12) between base plate (12) top surface in portion
Consistent water-proof concrete (11) one-piece casting.
2. a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall according to claim 1, it is characterised in that：The circular groove
(13), than the big 600mm of diameter of pipe well (10), circular groove (13) bottom surface is away from bottom cushion (9) bottom surface 400mm for diameter.
3. a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall according to claim 1, it is characterised in that：The steel bushing
Pipe (1) lower end is 1000mm with the lap of splice of pipe well (10) upper end.
4. a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall according to claim 1, it is characterised in that：Described three
The position of sealing Ji ring (8) is located at base plate (12) upper surface 150mm, at base plate (12) lower surface 150mm respectively
With at circular groove (13) bottom land 150mm.
5. a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall according to claim 1, it is characterised in that：The sealing
The thickness of Ji Huan (8) is 6mm, and width is 150mm, and the thickness of the steel deck-plate (4) is 6mm.
6. a kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall according to claim 1, it is characterised in that：The coarse sand
The top 2000mm of the distance from top pipe well (10) of recharge layer (5), high grade fast hardening concrete pours layer (6) upper surface away from base plate
(12) top surface 100mm.
7. a kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall, it is characterised in that：The construction method includes
Following steps：
When step one, earth excavation to bottom cushion (9) absolute altitude, a diameter is manually picked out along pipe well (10) periphery more straight than pipe well
The big circular groove in footpath (13), pipe well (10) and circular groove (13) center superposition, by pipe well (10) at circular groove (13) bottom up 100mm
Block；
Step 2, past pipe well (10) are inserted into the diameter steel sleeve (1) more smaller than pipe well (10) internal diameter, the top of steel sleeve (1)
Plate top surface 500mm is higher by, lower end and the pipe well (10) of steel sleeve (1) are overlapped, and the lap of splice is 1000mm；In steel sleeve (1)
The flax silk mud (3) that adds water in outside is connected with pipe well (10) upper end, pipe well (10) cement of upper pipes outer wellhead mixed with waterproofing agent
Slurry (2) closing, three sealing Jis ring (8) are welded between steel sleeve (1) outside top and pipe well (10) top；
Step 3, using the water-proof concrete (11) consistent with base plate (10) by circular groove (13) and base plate (12) one-piece casting；
When step 4, shut-in well, steel sleeve (1) is cut off at 100mm under base plate (12) top surface, apart from pipe well (10) top surface
Below 2000mm pipe wells section uses coarse sand recharge, is then poured onto below plate top surface at 100mm with high grade fast hardening concrete again, plus
Weldering thickness is the steel deck-plate (4) of 6mm, and weld seam is full, is finally poured to base plate (12) top surface with slightly expanded concrete and flushed.
8. a kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall according to claim 8, its feature exists
In：Than the big 600mm of diameter of pipe well (10), depth is 400mm to the diameter of the circular groove (13) in the step one.
9. a kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall according to claim 8, its feature exists
In：Three positions of sealing Ji ring (8) are located at base plate (12) upper surface 150mm, the bottom of apart from respectively in the step 2
At plate (12) lower surface 150mm and at circular groove (13) bottom land 150mm.
10. a kind of construction method of the new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall according to claim 8, its feature exists
In：Three thickness of sealing Ji ring (8) are 6mm in the step 2, and width is 150mm, steel deck-plate (4) in the step 4
Thickness is 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710101731.9A CN106836251A (en) | 2017-02-24 | 2017-02-24 | A kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710101731.9A CN106836251A (en) | 2017-02-24 | 2017-02-24 | A kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall and its construction method |
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| Publication Number | Publication Date |
|---|---|
| CN106836251A true CN106836251A (en) | 2017-06-13 |
Family
ID=59133457
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710101731.9A Pending CN106836251A (en) | 2017-02-24 | 2017-02-24 | A kind of new pre-buried deformation joint anti-seepage structure of the pipe well borehole wall and its construction method |
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| CN (1) | CN106836251A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021425A (en) * | 2019-12-05 | 2020-04-17 | 中冶天工集团天津有限公司 | Seepage-proofing construction method for deformation joint of underground pipe gallery |
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| CN103526766A (en) * | 2013-10-12 | 2014-01-22 | 中建八局第三建设有限公司 | Method for plugging relief well of deep foundation pit |
| CN204080836U (en) * | 2014-09-10 | 2015-01-07 | 中国建筑第六工程局有限公司 | The fast plugging device of dewatering well in a kind of building basement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08109651A (en) * | 1994-10-11 | 1996-04-30 | Meisho Giken:Kk | Cut-off method of deep well in building work |
| JP2006265964A (en) * | 2005-03-24 | 2006-10-05 | Shimizu Corp | Drainage treatment method |
| CN202124865U (en) * | 2011-06-22 | 2012-01-25 | 南通海洲建设集团有限公司 | Quick plugging device for dewatering wellhead of sand-free cement pipe deep well |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111021425A (en) * | 2019-12-05 | 2020-04-17 | 中冶天工集团天津有限公司 | Seepage-proofing construction method for deformation joint of underground pipe gallery |
| CN111021425B (en) * | 2019-12-05 | 2021-11-16 | 中冶天工集团天津有限公司 | Seepage-proofing construction method for deformation joint of underground pipe gallery |
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Application publication date: 20170613 |