CN102808628B - Construction method of passage of large-section tunnel by water diversion fault - Google Patents
Construction method of passage of large-section tunnel by water diversion fault Download PDFInfo
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- CN102808628B CN102808628B CN201210295013.7A CN201210295013A CN102808628B CN 102808628 B CN102808628 B CN 102808628B CN 201210295013 A CN201210295013 A CN 201210295013A CN 102808628 B CN102808628 B CN 102808628B
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Abstract
The invention discloses a construction method of passage of a large-section tunnel by water diversion fault. The construction method includes: firstly, exploring the fault to provide material basis for next tunnel design; secondly, laying out the tunnel design according to exploration conditions; thirdly, grouting and ponding before the tunnel passes the fault; and fourthly, supporting the surrounding rock when the tunnel passes the fault. The construction method is a complete technique integrating exploring, dredging, gushing prevention, and floor-ceiling reinforcement and allowing for passage of the large-section tunnel by the water diversion fault. Supporting measures are taken in response to different conditions, and safety of the tunnel in long-term use is guaranteed.
Description
Technical field
The present invention relates to roadway construction technology.
Background technology
Large section roadway exceedes the underground passage of 20 square metres at mining industry field middle finger section.More complicated in some hydrogeological conditions, hydrostatic reserves are large, and hydraulic pressure is high, and such water guide tomography need to be passed through when digging laneway, once measure deficiency is easy to occur water inrush accident in the mining area that tomography is grown.Such common tunnelling at present has some experiences of harnessing the river, but opens up large lane for the large section of crossing tomography, brings very big security threat to construction, also needs further research.
Summary of the invention
While the object of the invention is to construct for large section roadway, cross safely water guide tomography problem, propose one construction method safely and effectively.
Technical scheme is that a kind of large section roadway is crossed the construction method of water guide tomography, it is characterized in that taking following methods:
1, tomography exploration
On the basis of mine shaft geology exploration, the fault region passing through for tunnel, utilize 3-d seismic exploration technology to find out in detail geological structure developmental state, recycling ground transient electromagnetic detecting technology is found out the water enrichment area distribution situation of near Faults, is next step the tunnel design foundation of giving information.
2, tunnel design arrangement
Situation about finding out according to exploration, should avoid rich pool when the design arrangement of tunnel, and is approaching rich pool Position Design water dam, ensures once exploiting field water outlet in the future, can, by tunnel and mine isolation, ensure mine safety; Calculate the position of waterproofing protection coal column and the waterproof warning line of tomography according to tomography distribution situation, waterproof warning line is visited the starting point discharging water during as tunnelling simultaneously.
3, the front slip casting of tomography, water blockoff are crossed in tunnel
Roadway construction enters while visiting water warning line, stops driving, carries out following work:
Visit: the water drilling of prying into explored rich pool at boring head, verify rich pool situation and wall-rock crack situation;
Note: according to the rich pool situation of checking, construction deep inlet well, carries out from outside to inside three-dimensional slip casting from shallow to deep to rich pool; When deep slip casting, be mortar leakage prevention, reply Grouting Pipe adopts cotton yarn to add accelerating admixture around to carry out pretreatment, improve slip casting effect;
Stifled: shutoff is carried out in the leakage point punching slip casting occurring meeting head on;
Dredge: when tunnel safety has passed rich pool, in the place construction that does not the affect normal construction boring that discharges water, carry out white-out water, to reach the meet head on object of the water yield, hydraulic pressure of dispersion;
4, surrounding rock supporting when tomography is crossed in tunnel
(1) roadway construction discloses after tomography, first loose wall rock in fault belt is noted to mud and chemical pulp in advance, making loose wall rock reach some strength tunnels again, after driving, select the strong pretension anchor pole of superelevation to carry out anchor-net-spray combined supporting, and to side angle and base plate key position complement anchor pole, further strengthen the resistance to overturning of surrounding rock structure;
(2) shed shoring: when fault belt wall rock condition is poor or trickle is larger, cannot carry out full section anchor net spray supporting time, adopt frame canopy as permanent support, between frame canopy, mount into cement backboard, then whitewashing, shotcrete thickness is advisable to cover cement backboard; The ground that trickle is larger can adopt groove to carry out water guide.
(3) end, top, reinforces: while still there is potential safety hazard after shed shoring, need carry out grouting and reinforcing to tunnel roof and floor, meet head on to be fan-shaped to top, backplane boring in tunnel, wherein base plate boring is no less than 2, hole depth is not less than 25 meters, injecting paste material is selected cement list liquid slurry, water ash weight ratio 0.5:1; If should add water glass when meeting head on running pulp, slip casting final pressure is greater than 10MPa, solidifies after 24 hours more intermittently driving forward; Circulation like this, until through zone of fracture;
(4) grouting behind shaft or drift lining: when finding between the operating period of tunnel that top board adopts grouting behind shaft or drift lining liquid to reinforce while having inbreak, empty wall phenomenon; When reinforcing, first should set up steel canopy and lay backboard along outline line, backboard is fixed with steel pipe, the anti-leak-stopping material of canvas cloth is laid in the place large in space, then grouting pipeline is stretched into falling space district and carry out two pulp fluid injections, chemical grout generation fast reaction foam generated, coheres the country rock of loose crushing and is integrally formed false top; Chemical grout is the conventional beautiful loose injecting paste material of N-type horse.
The present invention has finally formed that a set of collection is visited, dredged, Against Water Inrush, and roof and floor adds the large section roadway that is fixed in one crosses the complete set technology of water guide tomography, has the following advantages:
1, safe.This technology has higher safety, takes into full account various influence factors in work progress and the various situations that may run into, and many-sidedly considers design at many levels, many strategy replies, the safety that has improved greatly roadway construction.
2, systematicness is strong.This technology has stronger systematicness, and thinking is clear and definite, and route is feasible, forms own system, and different mines completely can design and implement with reference to this mentality of designing and theory, have shown extremely strong compliance and higher promotional value.
3, specific aim is good.In this technology implementation process, embody the technical concept for design.Carry out Supplementary Exploration design for the situation that hydrogeological conditions is unclear, threatened and designed water dam for gushing water, taked corresponding Measures for Supporting for the situation under different condition, the long-term use in tunnel has been had to safety guarantee.
Detailed description of the invention
Those skilled in the art can implement according to the method described in summary of the invention, are not described in detail in this.Further illustrate advantage of the present invention below by an embodiment.
For example, when, certain ore deposit is designed in six track crossdrift tunnels, exploiting field, need to pass through Lee family's tomography.For actual conditions, first technician utilizes 3-d seismic exploration technology to find out in detail geological structure developmental state to Lee family's tomography, recycling ground transient electromagnetic detecting technology is found out the water enrichment area distribution situation of near Faults, determine Lee family's tomography particular location, tunneling layer position and the arrangement in tunnel are determined on this basis, calculating its protection coal column is 116m, delimit apart from the tomography 176m of Lee family as visiting water warning line, tunnelling enters to be visited after water warning line, utilize to visit-note-stifled-dredging the measure of grade carries out Against Water Inrush, take the measure such as anchor-net-spray combined supporting and top end reinforcing, safety Lee family's tomography, and construct one of high-quality water dam, for occur that gushing water emergency carried out safety guarantee later.
Claims (1)
1. large section roadway is crossed a construction method for water guide tomography, it is characterized in that, takes following methods:
(1) tomography exploration
On the basis of mine shaft geology exploration, the fault region passing through for tunnel, utilize 3-d seismic exploration technology to find out in detail geological structure developmental state, recycling ground transient electromagnetic detecting technology is found out the water enrichment area distribution situation of near Faults, is next step the tunnel design foundation of giving information;
(2) tunnel design arrangement
Situation about finding out according to exploration, should avoid rich pool when the design arrangement of tunnel, and is approaching rich pool Position Design water dam, ensures once exploiting field water outlet in the future, can, by tunnel and mine isolation, ensure mine safety; Calculate the position of waterproofing protection coal column and the waterproof warning line of tomography according to tomography distribution situation, waterproof warning line is visited the starting point discharging water during as tunnelling simultaneously;
(3) the front slip casting of tomography, water blockoff are crossed in tunnel
Roadway construction enters while visiting water warning line, stops driving, carries out following work:
Visit: the water drilling of prying into explored rich pool at boring head, verify rich pool situation and wall-rock crack situation;
Note: according to the rich pool situation of checking, construction deep inlet well, carries out from outside to inside three-dimensional slip casting from shallow to deep to rich pool; When deep slip casting, be mortar leakage prevention, reply Grouting Pipe adopts cotton yarn to add accelerating admixture around to carry out pretreatment, improve slip casting effect;
Stifled: shutoff is carried out in the leakage point punching slip casting occurring meeting head on;
Dredge: when tunnel safety has passed rich pool, in the place construction that does not the affect normal construction boring that discharges water, carry out white-out water, to reach the meet head on object of the water yield, hydraulic pressure of dispersion;
(4) surrounding rock supporting when tomography is crossed in tunnel, supporting step is as follows:
The first, roadway construction: disclose after tomography, first loose wall rock in fault belt is noted to mud and chemical pulp in advance, making loose wall rock reach some strength tunnels again, after driving, select the strong pretension anchor pole of superelevation to carry out anchor-net-spray combined supporting, and to side angle and base plate key position complement anchor pole, further strengthen the resistance to overturning of surrounding rock structure;
The second, shed shoring: when fault belt wall rock condition is poor or trickle is larger, cannot carry out full section anchor-net-spray combined supporting time, adopt frame canopy as permanent support, between frame canopy, insert cement backboard, then whitewashing, shotcrete thickness is advisable to cover cement backboard; The place that trickle is larger adopts groove to carry out water guide;
Three, the end, top, reinforces: while still there is potential safety hazard after shed shoring, need carry out grouting and reinforcing to tunnel roof and floor, meet head on to be fan-shaped to top, backplane boring in tunnel, wherein base plate boring is no less than 2, hole depth is not less than 25 meters, injecting paste material is selected cement list liquid slurry, water ash weight ratio 0.5:1; If should add water glass when meeting head on running pulp, slip casting final pressure is greater than 10MPa, solidifies and after 24 hours, continues driving forward again; Circulation like this, until through zone of fracture;
Four, grouting behind shaft or drift lining: when finding between the operating period of tunnel that top board adopts grouting behind shaft or drift lining liquid to reinforce while having inbreak, empty wall phenomenon; When reinforcing, first should set up steel canopy and lay backboard along outline line, backboard is fixed with steel pipe, the anti-leak-stopping material of canvas cloth is laid in the place large in space, then grouting pipeline is stretched into falling space district and carry out two pulp fluid injections, chemical grout generation fast reaction foam generated, coheres the country rock of loose crushing and is integrally formed false top; Chemical grout is the conventional beautiful loose injecting paste material of N-type horse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210295013.7A CN102808628B (en) | 2012-08-18 | 2012-08-18 | Construction method of passage of large-section tunnel by water diversion fault |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210295013.7A CN102808628B (en) | 2012-08-18 | 2012-08-18 | Construction method of passage of large-section tunnel by water diversion fault |
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| CN102808628A CN102808628A (en) | 2012-12-05 |
| CN102808628B true CN102808628B (en) | 2014-09-24 |
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| CN103742145B (en) * | 2013-12-24 | 2016-01-20 | 山东新阳能源有限公司 | Colliery rich water abnormal area water prevention method |
| CN103967504B (en) * | 2014-05-21 | 2016-05-18 | 中国能源建设集团广东省电力设计研究院有限公司 | A kind of supporting construction and construction method of electric power plant circulating water system tunnel mouth |
| CN106555590A (en) * | 2015-09-24 | 2017-04-05 | 新汶矿业集团有限责任公司翟镇煤矿 | The efficient fully-mechanized mining working method for designing in intensive fault zone |
| CN105484753B (en) * | 2015-12-29 | 2018-01-23 | 龙口矿业集团有限公司 | The Supporting Method for Drifting of high hydraulic pressure big flow crushed zone |
| CN109488310B (en) * | 2018-11-16 | 2020-02-07 | 中铁二十局集团第六工程有限公司 | Construction method for tunnel penetrating through clastic rock steep-dip reverse-thrust water-rich fault |
| CN110529150B (en) * | 2019-08-23 | 2020-12-18 | 山东科技大学 | Coal mine fault broken zone grouting reinforcement method based on tracer technology |
| CN111022088B (en) * | 2019-12-23 | 2021-03-26 | 天地科技股份有限公司 | Interception and injection method for roadway pressure-bearing flowing water fault |
| CN111578989B (en) * | 2020-05-06 | 2022-06-10 | 中铁第四勘察设计院集团有限公司 | Exploration method of fault confined water bridge abutment and bridge abutment erection method |
| CN112901272A (en) * | 2021-01-15 | 2021-06-04 | 贵州化工建设有限责任公司 | Geophysical prospecting and drilling cooperative advanced water detection and drainage construction method |
| CN112832810B (en) * | 2021-03-04 | 2022-03-22 | 淮北市平远软岩支护工程技术有限公司 | Support method for fractured-interval argillization rheological rock mass |
| CN112832821B (en) * | 2021-03-04 | 2022-07-12 | 淮北市平远软岩支护工程技术有限公司 | Fracture surface supporting method based on high pressure water fault fracture zone rheological research |
| CN113153309B (en) * | 2021-03-09 | 2022-03-15 | 中铁工程装备集团有限公司 | Tunnel construction method |
| CN112943306A (en) * | 2021-03-11 | 2021-06-11 | 淮北市平远软岩支护工程技术有限公司 | Roadway fault zone supporting method and step based on instability deformation research |
| CN113107537B (en) * | 2021-04-24 | 2023-11-10 | 淮北市平远软岩支护工程技术有限公司 | Distributed grouting technology and method for rock burst countermeasure type roadway |
| CN113605913A (en) * | 2021-09-01 | 2021-11-05 | 东莞理工学院 | Rock underground passage construction method |
| CN114412571B (en) * | 2022-01-18 | 2022-09-23 | 中国矿业大学 | Coal mine hydrological dynamic monitoring system |
| CN116556980B (en) * | 2023-05-27 | 2024-03-19 | 中煤第三建设（集团）有限责任公司 | Quick tunneling construction method for water-rich large-section roadway in mining area |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE880772A (en) * | 1978-12-27 | 1980-04-16 | Thyssen Industrie | ARRANGEMENT OF A CHANNEL COATING |
| SU1362838A1 (en) * | 1986-02-07 | 1987-12-30 | Специализированное Производственное Геологическое Объединение По Тампонажным И Геолого-Разведочным Работам "Спецтампонажгеология" | Method of consolidating large-fracture saturated rock when driving mine workings |
| US5180270A (en) * | 1991-06-17 | 1993-01-19 | Driscoll Daniel F | Water flow patch |
| EP1108855A1 (en) * | 1999-12-16 | 2001-06-20 | Valplast AG | Self-supporting waterproof vault for tunnel lining |
| JP4033785B2 (en) * | 2003-02-20 | 2008-01-16 | 清水建設株式会社 | High pressure injection water stop method and water stop material for water stop material made of hydrophilic one-component polyurethane prepolymer |
| CN101922302A (en) * | 2010-08-30 | 2010-12-22 | 中铁第四勘察设计院集团有限公司 | Fault processing method of high pressure water enrichment area |
| CN102425438A (en) * | 2011-11-21 | 2012-04-25 | 大同煤矿集团有限责任公司 | Supporting method of laneway under multiple goafs in ultra-close coal seam group |
| CN102606175A (en) * | 2012-03-12 | 2012-07-25 | 山东新阳能源有限公司 | Method for plugging confined water in underground coal mine sandstone crack |
-
2012
- 2012-08-18 CN CN201210295013.7A patent/CN102808628B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE880772A (en) * | 1978-12-27 | 1980-04-16 | Thyssen Industrie | ARRANGEMENT OF A CHANNEL COATING |
| SU1362838A1 (en) * | 1986-02-07 | 1987-12-30 | Специализированное Производственное Геологическое Объединение По Тампонажным И Геолого-Разведочным Работам "Спецтампонажгеология" | Method of consolidating large-fracture saturated rock when driving mine workings |
| US5180270A (en) * | 1991-06-17 | 1993-01-19 | Driscoll Daniel F | Water flow patch |
| EP1108855A1 (en) * | 1999-12-16 | 2001-06-20 | Valplast AG | Self-supporting waterproof vault for tunnel lining |
| JP4033785B2 (en) * | 2003-02-20 | 2008-01-16 | 清水建設株式会社 | High pressure injection water stop method and water stop material for water stop material made of hydrophilic one-component polyurethane prepolymer |
| CN101922302A (en) * | 2010-08-30 | 2010-12-22 | 中铁第四勘察设计院集团有限公司 | Fault processing method of high pressure water enrichment area |
| CN102425438A (en) * | 2011-11-21 | 2012-04-25 | 大同煤矿集团有限责任公司 | Supporting method of laneway under multiple goafs in ultra-close coal seam group |
| CN102606175A (en) * | 2012-03-12 | 2012-07-25 | 山东新阳能源有限公司 | Method for plugging confined water in underground coal mine sandstone crack |
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Inventor after: Qin Wenlu Inventor after: Yu Yongchun Inventor after: Guo Yuqiang Inventor after: Xu Xinzeng Inventor after: Jiang Cheng Inventor after: Zhang Kaifeng Inventor before: Qin Wenlu Inventor before: Jiang Cheng Inventor before: Zhang Kaifeng |
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Effective date of registration: 20170717 Address after: 016299 the Inner Mongolia Autonomous Region, Erdos City, Etuokeqianqi Shanghai town sand palm map Village Patentee after: Inner Mongolia Fucheng Mining Co., Ltd. Address before: 271200 Shandong city of Tai'an province Xintai Xinwen road two new Xinwen Mining Group Shandong Xinyang Energy Co. Ltd. Patentee before: Shandong Xinyang Energy Co., Ltd. |
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