CN104060634A - Water stopping method and structure for reserved hole of pipe jacking work well - Google Patents
Water stopping method and structure for reserved hole of pipe jacking work well Download PDFInfo
- Publication number
- CN104060634A CN104060634A CN201410308294.4A CN201410308294A CN104060634A CN 104060634 A CN104060634 A CN 104060634A CN 201410308294 A CN201410308294 A CN 201410308294A CN 104060634 A CN104060634 A CN 104060634A
- Authority
- CN
- China
- Prior art keywords
- reserving hole
- wall
- push pipe
- water
- work well
- 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
- Building Environments (AREA)
- Revetment (AREA)
Abstract
The invention relates to a water stopping method and a water stopping structure for a reserved hole of a pipe jacking work well. The water stopping method comprises the following steps of: (1) after pipe jacking construction is completed, adhering a plurality of slow-expansion type water stop strips which are expanded when being wet to the outer wall of a pipe-jacking pipe joint and the inner wall of the reserved hole respectively along the peripheral directions of the outer wall of the pipe-jacking pipe joint and the inner wall of the reserved hole; (2) filling a gap between the outer wall of the pipe-jacking pipe joint and the inner wall of the reserved hole with micro expansive fine aggregate concrete; and (3) pouring a reinforced concrete slab around a pipe-jacking exposed pipe section and close to the well wall so as to seal up the micro expansive fine aggregate concrete. According to the invention, the slow-expansion type water stop strips which are expanded when being wet, the micro expansive fine aggregate concrete and the post-pouring reinforced concrete slab are adopted to carry out water stopping on the reserved hole of the pipe jacking work well; the reinforced concrete slab is respectively excellently connected with the well wall and the pipe jacking pipe joint; and the water stopping method and the water stopping structure have an excellent water stopping effect.
Description
Technical field
The present invention relates to a kind of water-stopping method and structure of push pipe work well reserving hole.
Background technology
Adopt the transmission of electricity pipeline of jacking construction to require to arrange push pipe work well, be divided into jacking active well and receive two kinds of active wells, wherein in order to reduce earthwork excavated volume, push pipe work well generally adopts open caisson, open caisson construction technique generally supports → stands internal mold → peace wire-tie → stand external mold → perfusion open caisson concrete and health → take out pad → sinking → substrate cleaning → back cover → partition wall and top board and build and carry out by measuring setting-out → excavation of foundation pit → place mat → installations, then jacking construction, needs the reserving hole of the borehole wall to carry out sealing after jacking construction.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, connect water-stopping method and structure reliable and the push pipe work well reserving hole that stagnant water effect is good.
To achieve these goals, technical scheme one of the present invention is: a kind of water-stopping method of push pipe work well reserving hole, comprises the following steps:
(1), after jacking construction completes, at jacking pipe joints outer wall, reserving hole inwall, respectively along its circumferencial direction, post the slow type water-swellable sealing rod that rises of multiple tracks;
(2) adopt microdilatancy pea gravel concreten to fill the space between jacking pipe joints outer wall and reserving hole inwall;
(3) at push pipe exposure pipeline section around and build an armored concrete slab near the borehole wall, to seal microdilatancy pea gravel concreten.
Further, in step (3), the described borehole wall is provided with pre-doweling, before building, first annular girder is connected on pre-doweling, then annular girder is built in armored concrete slab.
Further, in step (3), the interface of the borehole wall to be built, push pipe exposure pipeline section is in dabbing and after cleaning up, the thick cement based penetration crystallization type water proofing paint of brushing 1mm so that its with after water armored concrete slab and be reliably connected.
Further, in step (1), described jacking pipe joints outer wall, reserving hole inwall respectively post the slow type water-swellable sealing rod that rises of 4 road 30mm * 30mm along its circumferencial direction.
Further, in step (3), the thickness of described armored concrete slab is 200mm.
To achieve these goals, technical scheme two of the present invention is: a kind of water-stopping structure of push pipe work well reserving hole, described push pipe work well comprises the borehole wall, base plate and top board, the described borehole wall is provided with the reserving hole for jacking construction, each posts the slow type water-swellable sealing rod that rises of multiple tracks along its circumferencial direction described reserving hole inwall and jacking pipe joints outer wall, space between described reserving hole inwall and jacking pipe joints outer wall is filled with microdilatancy pea gravel concreten, described push pipe exposure pipeline section is around built near the borehole wall to seal the armored concrete slab of microdilatancy pea gravel concreten.
Further, the described borehole wall is provided with pre-doweling, and described pre-doweling is connected with the annular girder of building in armored concrete slab.
Further, the interface between the interface between the described borehole wall and concrete slab, push pipe exposure pipeline section and armored concrete slab is all coated with and is brushed with the cement based penetration crystallization type water proofing paint layer that 1mm is thick.
Further, described reserving hole inwall and jacking pipe joints outer wall respectively post the slow type water-swellable sealing rod that rises of 4 road 30mm * 30mm along its circumferencial direction.
Further, the thickness of described armored concrete slab is 200mm.
The present invention has the following advantages: adopt the slow type water-swellable sealing rod that rises, microdilatancy pea gravel concreten and after water armored concrete slab the reserving hole of push pipe work well carried out to sealing, armored concrete slab has good being connected with the borehole wall, jacking pipe joints respectively, possesses good stagnant water effect.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the cross-sectional schematic at A-A place in Fig. 1.
In figure: the 1-borehole wall, 2-base plate, 3-reserving hole, 4-push pipe, the slow type water-swellable sealing rod that rises of 5-, 6-microdilatancy pea gravel concreten, 7-armored concrete slab, the pre-doweling of 8-, 9-annular girder.
The specific embodiment
As shown in Figure 1 and 2, a kind of water-stopping method of push pipe work well reserving hole, comprises the following steps:
(1), after push pipe 4 has been constructed, at push pipe 4 tube coupling outer walls, reserving hole 3 inwalls, respectively along its circumferencial direction, post the slow type water-swellable sealing rod 5 that rises of multiple tracks;
(2) space that adopts microdilatancy pea gravel concreten 6 to fill between push pipe 4 tube coupling outer walls and reserving hole 3 inwalls;
(3) at push pipe 4 exposure pipeline sections around and build an armored concrete slab 7 near the borehole wall 1, to seal microdilatancy pea gravel concreten 6.
In the present embodiment, in step (3), the described borehole wall 1 is provided with pre-doweling 8, before building, first annular girder 9 is connected on pre-doweling 8, then annular girder 9 is built in armored concrete slab 7, makes armored concrete slab 7 be connected reliable with the borehole wall 1.
In the present embodiment, in step (3), the thick cement based penetration crystallization type water proofing paint of 1mm, in dabbing and after cleaning up, is brushed in the interface of the borehole wall 1 to be built, push pipe 4 exposure pipeline sections, so that its with after water armored concrete slab 7 and be connected better, possess better stagnant water effect.
In the present embodiment, in step (1), described push pipe 4 tube coupling outer walls, reserving hole 3 inwalls respectively post the slow type water-swellable sealing rod 5 that rises of 4 road 30mm * 30mm along its circumferencial direction.
In the present embodiment, in step (3), the thickness of described armored concrete slab 7 is 200mm.
As shown in Figure 1 and 2, a kind of water-stopping structure of push pipe work well reserving hole, described push pipe work well comprises the borehole wall 1, base plate 2 and top board, the described borehole wall 1 is provided with the reserving hole 3 for push pipe 4 constructions, each posts the slow type water-swellable sealing rod 5 that rises of multiple tracks along its circumferencial direction described reserving hole 3 inwalls and push pipe 4 tube coupling outer walls, space between described reserving hole 3 inwalls and push pipe 4 tube coupling outer walls is filled with microdilatancy pea gravel concreten 6, and described push pipe 4 exposure pipeline sections are around built near the borehole wall 1 to seal the armored concrete slab 7 of microdilatancy pea gravel concreten 6.
In the present embodiment, the described borehole wall 1 is provided with pre-doweling 8, and described pre-doweling 8 is connected with the annular girder 9 of building in armored concrete slab 7, makes armored concrete slab 7 be connected reliable with the borehole wall 1.Interface between interface between the described borehole wall 1 and concrete slab, push pipe 4 exposure pipeline sections and armored concrete slab 7 all can be coated with and be brushed with cement based penetration crystallization type water proofing paint layer, the preferred 1mm of thickness of described cement based penetration crystallization type water proofing paint layer, concrete thickness can be adjusted according to the size of armored concrete slab 7.
In the present embodiment, each preferentially posts the slow type water-swellable sealing rod 5 that rises of 4 road 30mm * 30mm described reserving hole 3 inwalls and push pipe 4 tube coupling outer walls along its circumferencial direction, slow on described reserving hole 3 inwalls type water-swellable sealing rod 5 positions of rising are upper and lower corresponding with slow type water-swellable sealing rod 5 positions of rising on push pipe 4 tube coupling outer walls and be uniformly distributed, and quantity and the position of the slow type water-swellable sealing rod that rises are not limited to this certainly.The preferred 200mm of thickness of described armored concrete slab 7, concrete thickness can need to adjust according to practice of construction.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. a water-stopping method for push pipe work well reserving hole, is characterized in that, comprises the following steps:
(1), after jacking construction completes, at jacking pipe joints outer wall, reserving hole inwall, respectively along its circumferencial direction, post the slow type water-swellable sealing rod that rises of multiple tracks;
(2) adopt microdilatancy pea gravel concreten to fill the space between jacking pipe joints outer wall and reserving hole inwall;
(3) at push pipe exposure pipeline section around and build an armored concrete slab near the borehole wall, to seal microdilatancy pea gravel concreten.
2. the water-stopping method of push pipe work well reserving hole according to claim 1, it is characterized in that: in step (3), the described borehole wall is provided with pre-doweling, before building, first annular girder is connected on pre-doweling, then annular girder is built in armored concrete slab.
3. the water-stopping method of push pipe work well reserving hole according to claim 1 and 2, it is characterized in that: in step (3), the interface of the borehole wall to be built, push pipe exposure pipeline section is in dabbing and after cleaning up, brushing 1mm thick cement based penetration crystallization type water proofing paint so that its with after water armored concrete slab and be reliably connected.
4. the water-stopping method of push pipe work well reserving hole according to claim 1, is characterized in that: in step (1), described jacking pipe joints outer wall, reserving hole inwall respectively post the slow type water-swellable sealing rod that rises of 4 road 30mm * 30mm along its circumferencial direction.
5. the water-stopping method of push pipe work well reserving hole according to claim 1, is characterized in that: in step (3), the thickness of described armored concrete slab is 200mm.
6. the water-stopping structure of a push pipe work well reserving hole, described push pipe work well comprises the borehole wall, base plate and top board, the described borehole wall is provided with the reserving hole for jacking construction, it is characterized in that: each posts the slow type water-swellable sealing rod that rises of multiple tracks along its circumferencial direction described reserving hole inwall and jacking pipe joints outer wall, space between described reserving hole inwall and jacking pipe joints outer wall is filled with microdilatancy pea gravel concreten, and described push pipe exposure pipeline section is around built near the borehole wall to seal the armored concrete slab of microdilatancy pea gravel concreten.
7. the water-stopping structure of push pipe work well reserving hole according to claim 6, is characterized in that: the described borehole wall is provided with pre-doweling, and described pre-doweling is connected with the annular girder of building in armored concrete slab.
8. according to the water-stopping structure of the push pipe work well reserving hole described in claim 6 or 7, it is characterized in that: the interface between the interface between the described borehole wall and concrete slab, push pipe exposure pipeline section and armored concrete slab is all coated with and is brushed with the cement based penetration crystallization type water proofing paint layer that 1mm is thick.
9. the water-stopping structure of push pipe work well reserving hole according to claim 6, is characterized in that: each posts the slow type water-swellable sealing rod that rises of 4 road 30mm * 30mm described reserving hole inwall and jacking pipe joints outer wall along its circumferencial direction.
10. the water-stopping structure of push pipe work well reserving hole according to claim 6, is characterized in that: the thickness of described armored concrete slab is 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308294.4A CN104060634B (en) | 2014-07-01 | 2014-07-01 | Water-stopping method and the structure of push pipe work well reserving hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308294.4A CN104060634B (en) | 2014-07-01 | 2014-07-01 | Water-stopping method and the structure of push pipe work well reserving hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104060634A true CN104060634A (en) | 2014-09-24 |
| CN104060634B CN104060634B (en) | 2016-05-04 |
Family
ID=51548548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410308294.4A Active CN104060634B (en) | 2014-07-01 | 2014-07-01 | Water-stopping method and the structure of push pipe work well reserving hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104060634B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452813A (en) * | 2014-11-06 | 2015-03-25 | 国家电网公司 | Method for protecting underground powerhouse gate shaft against water seepage |
| CN104534216A (en) * | 2015-01-06 | 2015-04-22 | 无锡市政设计研究院有限公司 | Drainage pipeline and inspection well connection water stop structure |
| CN104612720A (en) * | 2014-12-22 | 2015-05-13 | 上海市政建设有限公司 | Waterproof structure of rectangular ejector pipe and ejector pipe ejection construction method |
| CN107989638A (en) * | 2017-12-28 | 2018-05-04 | 中铁二局集团有限公司 | A kind of push pipe receives water-stopping method |
| CN110485465A (en) * | 2019-08-08 | 2019-11-22 | 南方工程检测修复技术研究院 | A kind of water rich strata presets the round-seal reservoir and its construction method of push pipe door opening |
| CN110578341A (en) * | 2019-08-06 | 2019-12-17 | 苏州电力设计研究院有限公司 | Power cable pipe arrangement working well and construction method thereof |
| CN111535836A (en) * | 2020-04-26 | 2020-08-14 | 上海市政工程设计研究总院（集团）有限公司 | Waterproof structure and construction method for rectangular shield hole-entering prefabricated pipe joint and working well structure |
| CN113818540A (en) * | 2021-09-27 | 2021-12-21 | 郑州一建集团有限公司 | Prefabricated inspection well and concrete pipeline connecting device and connecting process |
| CN114960772A (en) * | 2022-06-29 | 2022-08-30 | 华南理工大学 | A prefabricated joint for utility tunnel connects mouth |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09287387A (en) * | 1996-02-22 | 1997-11-04 | Toyo Technos:Kk | Long-distance pipe jacking method and device in method of semi-shield construction |
| JPH11286955A (en) * | 1998-04-03 | 1999-10-19 | Sekisui Chem Co Ltd | Connecting method of propulsive pipe to manhole |
| CN202023204U (en) * | 2011-02-17 | 2011-11-02 | 广东省冶金建筑设计研究院 | Water stop device for opening of circular open caisson |
| CN203147066U (en) * | 2013-03-09 | 2013-08-21 | 熊艳芳 | Prepared hole waterproof structure of later-poured through-wall pipe |
| CN203175580U (en) * | 2013-03-27 | 2013-09-04 | 国家电网公司 | Portal water stopping device for power cable tunnel pipe jacking construction out of tunnel |
| CN204000963U (en) * | 2014-07-01 | 2014-12-10 | 国家电网公司 | The water-stopping structure of push pipe work well reserving hole |
-
2014
- 2014-07-01 CN CN201410308294.4A patent/CN104060634B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09287387A (en) * | 1996-02-22 | 1997-11-04 | Toyo Technos:Kk | Long-distance pipe jacking method and device in method of semi-shield construction |
| JPH11286955A (en) * | 1998-04-03 | 1999-10-19 | Sekisui Chem Co Ltd | Connecting method of propulsive pipe to manhole |
| CN202023204U (en) * | 2011-02-17 | 2011-11-02 | 广东省冶金建筑设计研究院 | Water stop device for opening of circular open caisson |
| CN203147066U (en) * | 2013-03-09 | 2013-08-21 | 熊艳芳 | Prepared hole waterproof structure of later-poured through-wall pipe |
| CN203175580U (en) * | 2013-03-27 | 2013-09-04 | 国家电网公司 | Portal water stopping device for power cable tunnel pipe jacking construction out of tunnel |
| CN204000963U (en) * | 2014-07-01 | 2014-12-10 | 国家电网公司 | The water-stopping structure of push pipe work well reserving hole |
Non-Patent Citations (2)
| Title |
|---|
| 杨杰: "PSI水泥基渗透结晶型防水材料在顶管施工中的应用", 《市政技术》, vol. 26, no. 1, 31 January 2008 (2008-01-31), pages 75 - 78 * |
| 陆明等: "《遇水膨胀类止水材料在地下工程中的应用》", 《现代隧道技术》, vol. 39, no. 4, 31 August 2002 (2002-08-31) * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452813A (en) * | 2014-11-06 | 2015-03-25 | 国家电网公司 | Method for protecting underground powerhouse gate shaft against water seepage |
| CN104612720A (en) * | 2014-12-22 | 2015-05-13 | 上海市政建设有限公司 | Waterproof structure of rectangular ejector pipe and ejector pipe ejection construction method |
| CN104534216A (en) * | 2015-01-06 | 2015-04-22 | 无锡市政设计研究院有限公司 | Drainage pipeline and inspection well connection water stop structure |
| CN107989638A (en) * | 2017-12-28 | 2018-05-04 | 中铁二局集团有限公司 | A kind of push pipe receives water-stopping method |
| CN110578341A (en) * | 2019-08-06 | 2019-12-17 | 苏州电力设计研究院有限公司 | Power cable pipe arrangement working well and construction method thereof |
| CN110485465A (en) * | 2019-08-08 | 2019-11-22 | 南方工程检测修复技术研究院 | A kind of water rich strata presets the round-seal reservoir and its construction method of push pipe door opening |
| CN110485465B (en) * | 2019-08-08 | 2021-03-30 | 南方工程检测修复技术研究院 | Circular working well with water-rich stratum with preset pipe jacking door opening and construction method of circular working well |
| CN111535836A (en) * | 2020-04-26 | 2020-08-14 | 上海市政工程设计研究总院（集团）有限公司 | Waterproof structure and construction method for rectangular shield hole-entering prefabricated pipe joint and working well structure |
| CN113818540A (en) * | 2021-09-27 | 2021-12-21 | 郑州一建集团有限公司 | Prefabricated inspection well and concrete pipeline connecting device and connecting process |
| CN114960772A (en) * | 2022-06-29 | 2022-08-30 | 华南理工大学 | A prefabricated joint for utility tunnel connects mouth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104060634B (en) | 2016-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104060634B (en) | Water-stopping method and the structure of push pipe work well reserving hole | |
| CN103835283B (en) | Full wet joint prefabricated prestressed underground continuous wall and construction method thereof | |
| CN205276316U (en) | Modular prefabricated piping lane | |
| CN204000963U (en) | The water-stopping structure of push pipe work well reserving hole | |
| CN204343312U (en) | Plugging device of precipitation well in foundation pit | |
| CN103205965B (en) | Root pressure grouting pile and construction method thereof | |
| CN110004991B (en) | Underground structure anti-floating system based on convex wing foot plate and construction method | |
| CN202139608U (en) | Later casting zone water stopping structure of basement | |
| CN103774699A (en) | Vertical water-stop structure for concrete engineering expansion joint as well as manufacturing and construction methods for same | |
| CN105220713A (en) | The waterproof construction of outer wall of basement settlement joint | |
| CN103790182A (en) | Hydraulic engineering vertical water stop structure and manufacturing and construction method thereof | |
| CN103774664A (en) | Waterproof structure of basement anti-floating steel anchor rope and construction method | |
| CN110258640A (en) | A kind of construction method of the overlapping wall system of covered back-digging | |
| CN103924581B (en) | Prefabricated concrete-filled steel tube combining structure diaphragm wall and construction method thereof | |
| CN111894124B (en) | Waterproof construction method for large-area civil air defense basement | |
| CN203808113U (en) | Concrete engineering expansion joint vertical water-stop structure | |
| CN103122642A (en) | Construction method of vertical post support change | |
| CN105041348A (en) | Underground space subsurface excavation construction method adopting combined roof | |
| CN110552378A (en) | Underground space roof subsides post-cast strip and seals structure in advance | |
| CN205591210U (en) | Formula cast member and construction assembly are spliced to underground | |
| CN105065040A (en) | Top-plate-prefabricated underground space underground excavation building method | |
| CN103031849B (en) | Method for construction of arranging dewatering well in foundation pit and flexibly closing dewatering well | |
| CN104389360A (en) | Externally suspended insulation board type reinforcement brickwork shear wall system and construction method thereof | |
| CN203834476U (en) | Waterproof structure of anti-floating steel anchor cables of basement | |
| CN103615043B (en) | Direct-burried drainpipe and the construction method thereof on carrying main equipment or dynamic load ground |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |