CN1546842A - Construction method of leakage waterstop for shield tunnel concrete structure segments - Google Patents
Construction method of leakage waterstop for shield tunnel concrete structure segments Download PDFInfo
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- CN1546842A CN1546842A CNA2003101125326A CN200310112532A CN1546842A CN 1546842 A CN1546842 A CN 1546842A CN A2003101125326 A CNA2003101125326 A CN A2003101125326A CN 200310112532 A CN200310112532 A CN 200310112532A CN 1546842 A CN1546842 A CN 1546842A
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Abstract
The invention discloses a duct piece leakage watertight constructing method for a kind of shield tunnel concrete structure. It uses normal silicon cement, epoxy material, cement radical penetration crystallization material, process is: A. drills a stop hole at two seam ends of the shield tunnel structure tug piece, the hole radius is 0.8-3.09cm, the depth of the hole is to the tug piece watertight bar position, and embeds the pipe and seals the hole; B. distributes pulp pouring hole at the leakage part between the two stop holes, the hole interval is 10-50cm, depth is 1.0-5.0cm lower than the concave position; C. pulp pouring: the order of pulp pouring is: cement pulp pouring, epoxy material pulp pouring, intermittent pouring, wait to be frozen. The pulp pouring pressure is 0.1-1.0 MPa; D. finish renovation.
Description
Technical field
The present invention relates to shield tunnel concrete structure section of jurisdiction seepage water stop construction method, build particularly that the duct pieces of shield tunnel piece that neutralization completes for use is destroyed by differential settlement, vibration, waterstop, emits mud, leaks, the fixed sealing and strengthening method of section of jurisdiction piece and peripheral rock.
Background technology
In recent years, China adopts shield structure technology to carry out water conservancy, transport development, and development is rapid, as south water to north hydraulic engineering, the seepage tunnel that draws the sharp engineering of yellow water and the underground rail traffic tunnel in city.As shown in Figure 1 and Figure 2, shield structure technology promptly is assembled into ring-type by polylith (routine is five) concrete structure shield duct piece 1, and ring-ring is pieced together extension mutually again, and sealing rod 2 is set between piece.Yet, the shield tunnel of building and completing for use is owing to be subjected to the influence of various factors can cause local shield duct piece piece seepage, since the section of jurisdiction is sheet-sheet to be pieced together mutually, encircles-encircle continuous, connective good, only do local sealing handle will develop between shield duct piece sheet-sheet, the infiltration processing of ring-interannular, cause the treatment project amount to increase, increase and handle investment.Have as water stop construction method commonly used:
1, for preventing seepage, design is adopted caulking material that all assembly unit seams are carried out the filleting antiseep usually in work progress and is handled.But in the use of shield tunnel, be subjected to the influence of various factors, piece still seepage can occur, has not only increased investment greatly, also can influence the normal use in tunnel simultaneously.
2, the seepage that the shield tunnel after building up is occurred adopts conventional localized seepage's sealing to handle.But because the connectedness of piece inherence, tend to cause between shield duct piece sheet-sheet, the piece seepage treatment of ring-interannular, thereby increase engineering quantity, prolong construction period, increase the processing operating expenses.
Summary of the invention
The objective of the invention is at the problems referred to above, a kind of shield tunnel concrete structure section of jurisdiction seepage water stop construction method that can limit shield duct piece piece seepage expanded range is provided, has strengthened piece bonding stagnant water effect, save construction investment, in the shortening cycle, satisfy the instructions for use of shield tunnel.
For achieving the above object, technical scheme of the present invention is as follows: shield tunnel concrete structure section of jurisdiction seepage water stop construction method, use materials such as ordinary portland cement, epoxy material, cement-base infiltration crystallization material, and carry out as follows:
A, two latasuture ends of piece leakage respectively bore one and stop the hole between two shield structure tunnel structure sections of jurisdiction, and the aperture is 0.8～3.0cm, and hole depth is to sealing rod position, section of jurisdiction, and the pipe laying sealing of hole;
B, two stops piece leakage cloth injected hole between holes, and imbeds Grouting Pipe and seam face closure, pitch-row 10～50cm, deeply to piece " recessed " mouthful down to 1.0～5.0cm;
C, slip casting: the slip casting order is: first cement grout slip casting-→ epoxy material slip casting again-→ intermittently slip casting-→ to wait to coagulate, grouting pressure is 0.1～1.0mpa;
D, finish renovation.
Effect of the present invention is to control effectively extension, the expansion of section of jurisdiction seepage place, reduces the seepage sealing of section of jurisdiction full section face and handles; Change the shield duct piece piece and become the job practices that spelling is stitched seepage treatment by localized seepage, good to the bonding stagnant water effect of moisture piece; Save investment, reduction of erection time, and job practices is simple, makes the binder-treatment requirement of satisfying dynamic condition at the shield duct piece of building and complete for use.
Description of drawings
Fig. 1 is the assembly unit schematic cross-section of shield duct piece of the present invention;
Fig. 2 is a shield duct piece piece structural representation of the present invention;
Fig. 3 is that termination of the present invention hole and injected hole are arranged schematic diagram.
Now the invention will be further described in conjunction with the accompanying drawings and embodiments:
The specific embodiment
As shown in Figure 3, during construction, use materials such as ordinary portland cement, epoxy material, cement-base infiltration crystallization material.The termination hole 3 that respectively to bore an aperture be 0.8～3.0cm of two latasuture ends in hoop piece seepage position, section of jurisdiction 5 at first, hole depth stops hole 3 and adopts epoxy mortars to embed the sealing pipe layings to 2 of section of jurisdiction sealing rods; Stop hole 3 piece cloth injected holes 4 two then, pitch-row 10～50cm, deeply " recessed " mouthful position 11 and is imbedded Grouting Pipe and is stitched face closure down to 1.0～5.0cm to piece; Intermittently grouting method is adopted in slip casting, that is: first cement grout slip casting-→ epoxy material slip casting again-→ intermittently slip casting-→ to wait to coagulate, grouting pressure is 0.1～1.0mpa; Do finish renovation at last, two stop 3 leakage pieces in hole outer " recessed " mouthful position 11 filletings and repair groove with the slot scraping device.
Claims (2)
1, shield tunnel concrete structure section of jurisdiction seepage water stop construction method uses materials such as ordinary portland cement, epoxy material, cement-base infiltration crystallization material, carries out as follows:
A, two latasuture ends of piece leakage respectively bore one and stop the hole between two shield structure tunnel structure sections of jurisdiction, and the aperture is 0.8～3.0cm, and hole depth is to sealing rod position, section of jurisdiction, and the pipe laying sealing of hole;
B, two stops piece leakage cloth injected hole between holes, and imbeds Grouting Pipe and seam face closure, pitch-row 10～50cm, deeply to piece " recessed " mouthful down to 1.0～5.0cm;
C, slip casting: the slip casting order is: first cement grout slip casting-→ epoxy material slip casting again-→ intermittently slip casting-→ to wait to coagulate, grouting pressure is 0.1～1.0mpa;
D, finish renovation.
2, job practices according to claim 1, described termination hole adopt epoxy mortar to embed the sealing pipe laying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101125326A CN1546842A (en) | 2003-12-11 | 2003-12-11 | Construction method of leakage waterstop for shield tunnel concrete structure segments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101125326A CN1546842A (en) | 2003-12-11 | 2003-12-11 | Construction method of leakage waterstop for shield tunnel concrete structure segments |
Publications (1)
| Publication Number | Publication Date |
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| CN1546842A true CN1546842A (en) | 2004-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2003101125326A Pending CN1546842A (en) | 2003-12-11 | 2003-12-11 | Construction method of leakage waterstop for shield tunnel concrete structure segments |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235632B (en) * | 2007-12-28 | 2010-06-02 | 中国水电顾问集团中南勘测设计研究院 | Grouting leak-stopping technique |
| CN101787892A (en) * | 2010-03-17 | 2010-07-28 | 中铁隧道勘测设计院有限公司 | Method for constructing maintainable tunnel waterproof system |
| CN102425427A (en) * | 2011-12-30 | 2012-04-25 | 中铁二局股份有限公司 | Method for constructing tunnel by utilizing shield empty-pushing crossing mine method |
| CN102536270A (en) * | 2011-12-29 | 2012-07-04 | 中铁十六局集团北京轨道交通工程建设有限公司 | Tunnel seepage protection method for soft soil stratum by existing shield method |
| CN102108873B (en) * | 2009-12-29 | 2013-11-06 | 河南博特工程防护有限公司 | High-polymer grouting method for rapidly disposing percolating water in tunnel |
| CN105350556A (en) * | 2015-11-10 | 2016-02-24 | 中交一航局第四工程有限公司 | New material underground structure leakage stoppage construction technology |
| CN105971642A (en) * | 2016-06-30 | 2016-09-28 | 北京城建七建设工程有限公司 | Water seepage treatment device and method for abutted seam of shield segments |
| CN106593494A (en) * | 2017-01-07 | 2017-04-26 | 中铁十五局集团第五工程有限公司 | Grouting water plugging method for tunnel |
| CN107605513A (en) * | 2017-09-13 | 2018-01-19 | 中交公局桥隧工程有限公司 | A kind of application process of tunnel longitudinal direction construction joint cement base crystalline waterproof material |
| CN109339824A (en) * | 2018-12-04 | 2019-02-15 | 中铁二十四局集团有限公司 | A kind of duct pieces of shield tunnel Treatment Measures to Leakage method |
| CN112593981A (en) * | 2020-12-10 | 2021-04-02 | 北京市政路桥科技发展有限公司 | Water leakage treatment method for segment splicing seam of shield section |
| CN115945494A (en) * | 2022-12-29 | 2023-04-11 | 武汉中科固废资源产业技术研究院有限公司 | Leakage repairing method for operating solid waste landfill seepage-proofing system |
-
2003
- 2003-12-11 CN CNA2003101125326A patent/CN1546842A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235632B (en) * | 2007-12-28 | 2010-06-02 | 中国水电顾问集团中南勘测设计研究院 | Grouting leak-stopping technique |
| CN102108873B (en) * | 2009-12-29 | 2013-11-06 | 河南博特工程防护有限公司 | High-polymer grouting method for rapidly disposing percolating water in tunnel |
| CN101787892A (en) * | 2010-03-17 | 2010-07-28 | 中铁隧道勘测设计院有限公司 | Method for constructing maintainable tunnel waterproof system |
| CN102536270A (en) * | 2011-12-29 | 2012-07-04 | 中铁十六局集团北京轨道交通工程建设有限公司 | Tunnel seepage protection method for soft soil stratum by existing shield method |
| CN102425427A (en) * | 2011-12-30 | 2012-04-25 | 中铁二局股份有限公司 | Method for constructing tunnel by utilizing shield empty-pushing crossing mine method |
| CN102425427B (en) * | 2011-12-30 | 2013-12-25 | 中铁二局股份有限公司 | Method for constructing tunnel by utilizing shield empty-pushing crossing mine method |
| CN105350556A (en) * | 2015-11-10 | 2016-02-24 | 中交一航局第四工程有限公司 | New material underground structure leakage stoppage construction technology |
| CN105971642A (en) * | 2016-06-30 | 2016-09-28 | 北京城建七建设工程有限公司 | Water seepage treatment device and method for abutted seam of shield segments |
| CN106593494A (en) * | 2017-01-07 | 2017-04-26 | 中铁十五局集团第五工程有限公司 | Grouting water plugging method for tunnel |
| CN107605513A (en) * | 2017-09-13 | 2018-01-19 | 中交公局桥隧工程有限公司 | A kind of application process of tunnel longitudinal direction construction joint cement base crystalline waterproof material |
| CN109339824A (en) * | 2018-12-04 | 2019-02-15 | 中铁二十四局集团有限公司 | A kind of duct pieces of shield tunnel Treatment Measures to Leakage method |
| CN112593981A (en) * | 2020-12-10 | 2021-04-02 | 北京市政路桥科技发展有限公司 | Water leakage treatment method for segment splicing seam of shield section |
| CN112593981B (en) * | 2020-12-10 | 2023-02-14 | 北京市政路桥科技发展有限公司 | Water leakage treatment method for segment splicing seam of shield section |
| CN115945494A (en) * | 2022-12-29 | 2023-04-11 | 武汉中科固废资源产业技术研究院有限公司 | Leakage repairing method for operating solid waste landfill seepage-proofing system |
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Open date: 20041117 |