CN113863939A - Rapid construction method for adopting TBM (tunnel boring machine) to lead double-hole cross tunneling in complex stratum - Google Patents
Rapid construction method for adopting TBM (tunnel boring machine) to lead double-hole cross tunneling in complex stratum Download PDFInfo
- Publication number
- CN113863939A CN113863939A CN202111139252.9A CN202111139252A CN113863939A CN 113863939 A CN113863939 A CN 113863939A CN 202111139252 A CN202111139252 A CN 202111139252A CN 113863939 A CN113863939 A CN 113863939A
- Authority
- CN
- China
- Prior art keywords
- tbm
- tunnel
- pilot tunnel
- pilot
- advanced
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 230000005641 tunneling Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims abstract description 12
- 239000011435 rock Substances 0.000 claims description 26
- 238000009412 basement excavation Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/001—Improving soil or rock, e.g. by freezing; Injections
Abstract
The rapid construction method for TBM-guided double-hole cross tunneling in the complex stratum greatly improves the speed for processing the problem of blocking, is simple and rapid to operate, has the characteristics of high safety, high construction speed and strong applicability, and effectively overcomes the technical problems of TBM in getting rid of difficulties and advanced geological prediction. The method comprises the following steps: firstly, a main tunnel and a pilot tunnel are respectively tunneled by a main tunnel TBM and a pilot tunnel TBM in a crossing manner until the lead TBM passes through a bad geological section, and the card machine is trapped; constructing a transverse pilot tunnel at the same mileage position of the lagging TBM; thirdly, constructing a small advance pilot tunnel towards the tunnel face of the card machine in the transverse pilot tunnel; fourthly, performing advanced active reinforcement treatment on the same mileage position in front of the lagging TBM through a transverse pilot tunnel; fifthly, carrying out the escaping treatment on the trapped advanced TBM at the tunnel face of the card machine through the advanced small pilot tunnel; and sixthly, restoring normal tunneling by the advancing TBM and the lagging TBM until the unfavorable geological section is passed.
Description
Technical Field
The invention relates to the technical field of tunnels and underground engineering, in particular to a rapid construction method for cross tunneling by adopting TBM (tunnel boring machine) leading double holes in a complex stratum.
Background
An extra-long tunnel tunneled by a TBM (tunnel boring machine) inevitably passes through unfavorable geological sections such as a corrosion zone, a fault fracture zone, a joint dense zone, water-rich loose soft surrounding rock and the like in construction, construction risks such as block falling, slipping or water inrush and the like are easily caused, the normal tunneling of the TBM is greatly threatened, even the TBM is possibly blocked or trapped, the tunnel construction efficiency is seriously restricted, and the man-machine safety is threatened.
The currently generally adopted TBM (tunnel boring machine) difficulty-removing treatment method mainly comprises the following steps: and (4) implementing the advance pipe shed support or pre-grouting reinforcement of surrounding rocks in the arch range behind the TBM shield. Because of the limitation of a TBM shield, the external insertion angle of the advance pipe shed support is larger than 17 degrees, the distance between the reinforcing surrounding rock position in front of the cutter head and the cutter head excavation range is far, the reinforcing effect is poor, and the method is only suitable for reinforcing poor geology in short sections and local ranges. If the actual construction reveals that long-section large-range bad geologic bodies appear, the method has extremely low construction efficiency, great influence on the construction period and poor economy.
When advance forecasting of bad geology of the TBM is carried out, a drilling method and a geophysical prospecting method are generally combined, but due to the complexity of actual geological conditions and the limitations of the drilling and geophysical prospecting methods, the advance geological forecasting carried out by adopting the method cannot be used for exploring all the bad geology, and the problem that the TBM is stuck in a good geological condition section in advance forecasting display can be caused frequently.
In order to solve the main problems of the TBM in the escaping and advance geological forecast, a rapid construction method for leading double-tunnel cross tunneling by using the TBM is provided, so that the escaping of the advanced TBM which is blocked by a machine can be effectively facilitated, the active advance reinforcement can be carried out on the lagging TBM which is not tunneled to a bad geological section, and the problem that the machine is blocked by the lagging TBM at the same mileage can be prevented.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rapid construction method for adopting TBM to lead double-hole cross tunneling in a complex stratum, greatly improving the speed of processing the problem of blocking, having the characteristics of simple and rapid operation, high safety, rapid construction speed and strong applicability, and effectively overcoming the technical problems of TBM in getting rid of difficulties and advanced geological prediction.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention discloses a rapid construction method for adopting TBM to lead double-hole cross tunneling in a complex stratum, which comprises the following steps:
firstly, a main tunnel and a pilot tunnel are respectively tunneled by a main tunnel TBM and a pilot tunnel TBM in a crossing manner until the lead TBM passes through a bad geological section, and the card machine is trapped;
constructing a transverse pilot tunnel at the same mileage position of the lagging TBM;
thirdly, constructing a small advance pilot tunnel towards the tunnel face of the card machine in the transverse pilot tunnel;
fourthly, performing advanced active reinforcement treatment on the same mileage position in front of the lagging TBM through a transverse pilot tunnel;
fifthly, carrying out the escaping treatment on the trapped advanced TBM at the tunnel face of the card machine through the advanced small pilot tunnel;
and sixthly, restoring normal tunneling by the advancing TBM and the lagging TBM until the unfavorable geological section is passed.
The beneficial effects of the invention are mainly reflected in the following aspects:
firstly, performing advanced geological forecast by using a main tunnel and a pilot tunnel mutually, avoiding the main tunnel and the pilot tunnel from being blocked twice at the same mileage, and improving the tunneling speed;
secondly, surrounding rocks around the tunnel in the unfavorable geological section which is not tunneled are actively reinforced in advance by utilizing the transverse pilot tunnel, various complex unfavorable geological conditions can be processed, and the adaptability and the safety are high;
thirdly, applying a small leading tunnel to the tunnel face of the card machine by utilizing the transverse pilot tunnel, quickly entering a bad geological section right in front of the TBM to reinforce surrounding rocks and cleaning broken surrounding rocks around a cutter head, avoiding the problems of limited space and difficult implementation of bad geological processing from the rear of the shield tail of the TBM, realizing quick escaping of the TBM and ensuring construction safety;
and fourthly, advanced geological forecast can be accurately provided for the lagging TBM, advanced active reinforcement is carried out on the unfavorable geological section, the problem of blocking of the TBM is rapidly and effectively solved, and the method has high practicability and feasibility.
Drawings
FIG. 1 is a flow chart of the rapid construction method of the invention for cross-tunneling with TBM leading double holes in complex strata;
FIG. 2 is a schematic diagram of a main tunnel super-leading edge tunneling state in the rapid construction method for cross tunneling by adopting TBM leading double-tunnel in a complex stratum according to the present invention;
FIG. 3 is a schematic diagram of the heading state of the pilot tunnel ahead of the main tunnel in the rapid construction method of the invention adopting TBM-guided double-tunnel cross heading in the complex stratum.
Notation and meaning in the figures: the method comprises the following steps of a bad geological section A, a machine tunnel face C, a main hole 10, a main hole TBM shield shell 11, a pilot hole 20, a pilot hole TBM shield shell 21, a transverse pilot hole 30 and a small leading pilot hole 31, wherein the arrow points to the driving direction.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, 2 and 3, the rapid construction method for adopting TBM to lead double-tunnel cross-tunneling in a complex stratum comprises the following steps:
the main tunnel 10 and the pilot tunnel 20 are crossly tunneled by a main tunnel TBM and a pilot tunnel TBM respectively until the lead TBM passes through the unfavorable geological section A, and the card is trapped. The advanced geological forecast is mutually carried out through the main tunnel 10 and the pilot tunnel 20 which are tunneled in a crossing way, so that the main tunnel 10 and the pilot tunnel 20 are prevented from being blocked twice at the same mileage, and the tunneling speed is improved;
constructing a transverse pilot tunnel 30 at the same mileage position of the lagging TBM;
thirdly, constructing a small advance pilot hole 31 towards the position C of the card tunnel face in the transverse pilot hole 30;
fourthly, performing advanced active reinforcement treatment on the same mileage position in front of the lagging TBM through the transverse pilot tunnel 30;
fifthly, the trapped advanced TBM is removed at the position of the tunnel face C of the card through the advanced small pilot tunnel 31. The method has the advantages that the method quickly enters the unfavorable geological section right in front of the advanced TBM to reinforce surrounding rocks and clean broken surrounding rocks around the cutter head, so that the problems of limited space and difficult implementation of processing the unfavorable geological section from the rear of the shield tail of the TBM are solved, the TBM is quickly trapped, the construction safety is guaranteed, the construction safety can be effectively guaranteed, and the speed of processing the problem of blocking is greatly increased;
sixthly, the advance TBM and the lag TBM recover normal tunneling and cross pass through the unfavorable geological section A.
The construction method is mainly characterized in that:
firstly, advanced geological forecast is carried out by utilizing the main tunnel 10 and the pilot tunnel 20 mutually, so that the main tunnel 10 and the pilot tunnel 20 are prevented from being blocked twice at the same mileage, and the tunneling speed is improved;
and secondly, applying a small advance pilot tunnel 31 to the tunnel face of the card machine by utilizing the transverse pilot tunnel 30 to carry out difficulty removal processing on the TBM, so that the construction safety is ensured, and the speed for processing the problems of the card machine is greatly improved.
And thirdly, surrounding rocks around the tunnel of the unfavorable geological section which is not dug are actively reinforced in advance by utilizing the transverse pilot tunnel 30, various complex unfavorable geological conditions can be processed, and the adaptability and the safety are high.
The transverse pilot tunnel 30 and the small pilot tunnel 31 are constructed by adopting a mine method, full-section excavation is adopted for reducing disturbance to surrounding rocks D, grouting reinforcement is carried out on the surrounding rocks, the maximum excavation radius of the transverse pilot tunnel 30 is not more than 2m, and the maximum excavation radius of the advanced small pilot tunnel 31 is not more than 1.5 m.
The method is suitable for a rapid construction method for leading double-hole cross tunneling by using the TBM under the complex geological condition, and can well solve the technical problems of TBM blocking caused by unfavorable geology, advanced geological forecast and advanced active reinforcement of the unfavorable geology.
As shown in fig. 2, when the main tunnel 10 is driven into the unfavorable geological section a in advance of the pilot tunnel 20, the main tunnel TBM is stuck in the machine, a transverse pilot tunnel 30 is constructed towards the pilot tunnel 20 located at the same mileage of the main tunnel 10 after the shield shell 11 of the main tunnel TBM, a pilot small pilot tunnel 31 is constructed towards the C surface of the tunnel face of the machine through the transverse pilot tunnel 30, the transverse pilot tunnel 30 and the pilot small pilot tunnel 31 for processing the machine are constructed by a mining method, full-face excavation is adopted, and surrounding rocks are grouted and reinforced; when the transverse pilot tunnel 30 reaches the same mileage of the pilot tunnel 20, adopting grouting reinforcement or a lead pipe shed to reinforce surrounding rocks at the pilot tunnel 20 according to the condition of unfavorable geology, and preventing a blocking accident when the pilot tunnel TBM passes through the unfavorable geology section A; when the leading small pilot tunnel 31 of the card processing machine reaches the cutter head of the main tunnel TBM, the broken surrounding rocks around the tunnel face C of the card processing machine are reinforced by grouting, and the broken surrounding rocks near the cutter head are cleaned, so that the main tunnel TBM can be rapidly trapped.
As shown in fig. 3, when the pilot tunnel 20 is driven into the unfavorable geological section a ahead of the main tunnel 10, the pilot tunnel TBM card is trapped, a transverse pilot tunnel 30 is constructed towards the main tunnel 10 located at the same mileage of the pilot tunnel 20 after a shield shell 21 of the pilot tunnel TBM, meanwhile, a leading small pilot tunnel 31 is constructed towards the C surface of the card tunnel face through the transverse pilot tunnel 30, the transverse pilot tunnel 30 and the leading small pilot tunnel 31 for processing the card are constructed by a mining method, full-face excavation is adopted, and surrounding rocks are grouted and reinforced; when the transverse pilot tunnel 30 reaches the same mileage position of the main tunnel 10, adopting grouting reinforcement or a lead pipe shed to reinforce surrounding rocks at the main tunnel 10 according to unfavorable geological conditions, and preventing a blocking accident when the TBM of the main tunnel passes; when the small pilot tunnel 31 of the card processing machine reaches the cutter head of the pilot tunnel TBM, the broken surrounding rocks around the tunnel face C of the card processing machine are reinforced through grouting, and the broken surrounding rocks near the cutter head are cleaned, so that the pilot tunnel TBM can be rapidly removed from the pilot tunnel TBM.
Example (b):
the distance between a main tunnel and a horizontal lead of a tunnel in Gaili tribute mountain of a Darui railway is 30m, and the tunneling construction is respectively carried out by adopting an open TBM with the diameter phi of 9.0m and the diameter phi of 6.36m, the advance tunneling of a horizontal guide small TBM and the lag tunneling of a main tunnel large TBM. The advanced tunneling flat-guide TBM encounters a completely weathered water-bearing stratum of granite, an arch part reveals a loose soil layer, the whole front of a tunnel face reveals a sand-like state, a waist part forms water, the tunnel face collapses in a large area, surrounding rocks cannot be self-stabilized, the tunneling torque of the TBM is continuously increased, and a TBM shield is clamped and cannot be propelled.
During construction, the advance drilling of the exploration holes is carried out, the fact that the section of poor geological distribution in front of the tunnel face is long is revealed, and through evaluation and analysis, the traditional TBM shield tail portion is adopted to reinforce the surrounding rock, so that implementation is extremely difficult, the construction period for treating poor geology is long, and difficulty in escaping is large; according to the construction method, a horizontal pilot tunnel of 45 degrees is excavated in the front tunnel direction behind the horizontal pilot TBM, a small pilot tunnel ahead is arranged in the middle of the horizontal pilot tunnel, the horizontal pilot tunnel enters the front of a cutter head of the horizontal pilot TBM quickly to be grouted to reinforce surrounding rocks and lead underground water ahead, surrounding rock conditions are improved, the horizontal pilot TBM is quickly stranded, and bad geology is quickly and safely passed through. Meanwhile, the front-hole unfavorable geological surrounding rock corresponding to the mileage section is reinforced in advance through the transverse pilot tunnel, and the lagging front-hole TBM ensures that the front-hole TBM can quickly pass through the unfavorable geological section by adjusting the tunneling parameters, supporting in time after excavation and sealing the surrounding rock.
By adopting the construction method, the TBM escaping construction period of each unfavorable geology can be reduced by 30-45 days, the investment is saved by 1800-2500 ten thousand yuan, and good economic benefit and social benefit are obtained.
Claims (3)
1. A rapid construction method for adopting TBM to lead double-tunnel cross tunneling in a complex stratum comprises the following steps:
firstly, a main tunnel (10) and a pilot tunnel (20) are respectively tunneled by a main tunnel TBM and a pilot tunnel TBM in a crossing manner until the lead TBM passes through a bad geological section (A) and is blocked;
secondly, a transverse pilot tunnel (30) is constructed at the same mileage position of the lagging TBM;
thirdly, a small advance pilot hole (31) is formed in the transverse pilot hole (30) towards the card machine tunnel face (C);
fourthly, performing advanced active reinforcement treatment on the same mileage position in front of the lagging TBM through a transverse pilot tunnel (30);
fifthly, the trapped advanced TBM is removed at the tunnel face (C) of the card machine through the advanced small pilot tunnel (31);
sixthly, the advance TBM and the lag TBM recover normal tunneling and cross pass through the unfavorable geological section (A).
2. The rapid construction method of TBM leading double-hole cross-tunneling in the complex stratum as claimed in claim 1, characterized in that: the transverse pilot tunnel (30) and the advanced small pilot tunnel (31) are constructed by adopting a mine method, full-section excavation is adopted, surrounding rocks around the transverse pilot tunnel and the advanced small pilot tunnel are subjected to grouting reinforcement, the maximum excavation radius of the transverse pilot tunnel (30) is not more than 2m, and the maximum excavation radius of the advanced small pilot tunnel (31) is not more than 1.5 m.
3. The rapid construction method of TBM leading double-hole cross-tunneling in the complex stratum as claimed in claim 1, characterized in that: in the step I, advanced geological forecast is carried out through the main tunnel (10) and the pilot tunnel (20) which are tunneled in a crossing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111139252.9A CN113863939A (en) | 2021-09-27 | 2021-09-27 | Rapid construction method for adopting TBM (tunnel boring machine) to lead double-hole cross tunneling in complex stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111139252.9A CN113863939A (en) | 2021-09-27 | 2021-09-27 | Rapid construction method for adopting TBM (tunnel boring machine) to lead double-hole cross tunneling in complex stratum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113863939A true CN113863939A (en) | 2021-12-31 |
Family
ID=78991390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111139252.9A Pending CN113863939A (en) | 2021-09-27 | 2021-09-27 | Rapid construction method for adopting TBM (tunnel boring machine) to lead double-hole cross tunneling in complex stratum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113863939A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220746A (en) * | 2008-02-01 | 2008-07-16 | 中铁十三局集团有限公司 | TBM pilot tunnel expansion digging method for 20km double-line double-cavity ultra-long tunnel construction |
| KR20120069808A (en) * | 2010-12-21 | 2012-06-29 | (주)엘티엠 | Tunneling method and related apparatus for tbm excavation and blasting for enlargement, using the protector and the muck car |
| CN204327107U (en) * | 2014-08-27 | 2015-05-13 | 中国电建集团华东勘测设计研究院有限公司 | The TBM of a kind of fragmented rock body hole section tunnels structure |
| US20160319664A1 (en) * | 2013-12-13 | 2016-11-03 | Sws Engineering S.P.A. | Procedure for the construction of cross passages in double pipe tunnels |
| CN106522963A (en) * | 2016-11-23 | 2017-03-22 | 中铁十八局集团有限公司 | Stuck machine extricating method for TBM during tunnel construction |
| CN107916941A (en) * | 2017-12-15 | 2018-04-17 | 中交二公局东萌工程有限公司 | Bore quick-fried combined construction method in a kind of double main holes of three hole vcehicular tunnels and middle drift TBM |
| CN109403986A (en) * | 2017-08-16 | 2019-03-01 | 中铁二院工程集团有限责任公司 | The synchronous enlarging of the parallel heading of TBM tunneling construction is the construction method of double line tunnel |
| CN110748348A (en) * | 2019-10-15 | 2020-02-04 | 中交第二公路勘察设计研究院有限公司 | Tunnel construction method for assisting advance pre-reinforcement of main tunnel by using service tunnel |
| CN112502777A (en) * | 2020-12-08 | 2021-03-16 | 中铁隧道局集团有限公司 | Method for treating tunnel inrush roof fall and door closing |
| CN112502721A (en) * | 2020-12-08 | 2021-03-16 | 中铁隧道局集团有限公司 | Arc-shaped bifurcation stepping construction method for positioning double TBMs based on double-line separate repair |
| CN112780330A (en) * | 2021-02-19 | 2021-05-11 | 中交第二公路工程局有限公司 | Construction ventilation method for parallel three-hole tunnel press-in type ventilation |
-
2021
- 2021-09-27 CN CN202111139252.9A patent/CN113863939A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220746A (en) * | 2008-02-01 | 2008-07-16 | 中铁十三局集团有限公司 | TBM pilot tunnel expansion digging method for 20km double-line double-cavity ultra-long tunnel construction |
| KR20120069808A (en) * | 2010-12-21 | 2012-06-29 | (주)엘티엠 | Tunneling method and related apparatus for tbm excavation and blasting for enlargement, using the protector and the muck car |
| US20160319664A1 (en) * | 2013-12-13 | 2016-11-03 | Sws Engineering S.P.A. | Procedure for the construction of cross passages in double pipe tunnels |
| CN204327107U (en) * | 2014-08-27 | 2015-05-13 | 中国电建集团华东勘测设计研究院有限公司 | The TBM of a kind of fragmented rock body hole section tunnels structure |
| CN106522963A (en) * | 2016-11-23 | 2017-03-22 | 中铁十八局集团有限公司 | Stuck machine extricating method for TBM during tunnel construction |
| CN109403986A (en) * | 2017-08-16 | 2019-03-01 | 中铁二院工程集团有限责任公司 | The synchronous enlarging of the parallel heading of TBM tunneling construction is the construction method of double line tunnel |
| CN107916941A (en) * | 2017-12-15 | 2018-04-17 | 中交二公局东萌工程有限公司 | Bore quick-fried combined construction method in a kind of double main holes of three hole vcehicular tunnels and middle drift TBM |
| CN110748348A (en) * | 2019-10-15 | 2020-02-04 | 中交第二公路勘察设计研究院有限公司 | Tunnel construction method for assisting advance pre-reinforcement of main tunnel by using service tunnel |
| CN112502777A (en) * | 2020-12-08 | 2021-03-16 | 中铁隧道局集团有限公司 | Method for treating tunnel inrush roof fall and door closing |
| CN112502721A (en) * | 2020-12-08 | 2021-03-16 | 中铁隧道局集团有限公司 | Arc-shaped bifurcation stepping construction method for positioning double TBMs based on double-line separate repair |
| CN112780330A (en) * | 2021-02-19 | 2021-05-11 | 中交第二公路工程局有限公司 | Construction ventilation method for parallel three-hole tunnel press-in type ventilation |
Non-Patent Citations (5)
| Title |
|---|
| 刘春;: "采用小直径TBM进行长大隧道导洞施工的讨论" * |
| 张兵;杨延栋;孙振川;马亮;: "高黎贡山隧道破碎地层TBM施工技术与应对方法研究" * |
| 张建设;: "高黎贡山隧道岩溶及软岩大变形洞段敞开式TBM施工技术研究" * |
| 朱廷宇;王唤龙;: "TBM穿越富水构造风化破碎带脱困处理方案研究" * |
| 祝河清;: "天山胜利特长公路隧道施工方法探讨" * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2015345830B2 (en) | Coal mining method with digging, mining and filling parallel operations under control of cover rock cracks and surface subsidence | |
| CN106089296B (en) | A kind of prevention and treatment method of roof absciss layer water | |
| CN106150508B (en) | A kind of tunnel drilling operation method in karst strata | |
| CN105221179A (en) | A kind of highly gassy mine Y type method of ventilation | |
| CN110924956A (en) | Tunnel shield tunneling method containing boulder and bedrock raised stratum | |
| CN103867229A (en) | Coal mine large-mining-depth and next-group coal exploitation water control comprehensive treatment method | |
| CN111828031B (en) | Method for directionally reinforcing soft broken water-rich stratum tunnel face of open TBM tunnel | |
| AU2021106168A4 (en) | High-gas Coal Seam Group Pressure Relief Mining Method Based on Gob-side Entry Retaining in the First Mining Whole Rock Pressure Relief Working Face | |
| CN105804754B (en) | A kind of coal seam is Main aquifer pitshaft method for uncovering coal | |
| CN109869150A (en) | A kind of mine resources are segmented the full office of adopting and fill recovery method | |
| CN109268028A (en) | A kind of large-span underground chamber half range mistake is away from excavation supporting method | |
| CN111396118A (en) | Coal seam group rapid rock cross-cut coal uncovering outburst eliminating method | |
| CN115749855A (en) | Method for recovering fault coal pillar resources based on advanced pre-grouting | |
| Wang et al. | Advanced directional drilling technology for gas drainage and exploration in Australian coal mines | |
| US6796616B2 (en) | Mining system | |
| CN110748348B (en) | Tunnel construction method for assisting advance pre-reinforcement of main tunnel by using service tunnel | |
| CN204327107U (en) | The TBM of a kind of fragmented rock body hole section tunnels structure | |
| CN113863939A (en) | Rapid construction method for adopting TBM (tunnel boring machine) to lead double-hole cross tunneling in complex stratum | |
| CN106285777B (en) | The method that flood mine mineral building discharges water in advance | |
| CN109441452A (en) | Exempt from the construction method that exposed coal tunnel passes rapidly through high prominent down-hole coal seam | |
| CN207598238U (en) | A kind of structure for protecting development work surrounding rock stability | |
| CN109209383B (en) | Method for preventing and treating rock burst by double-upward-mountain mining | |
| CN113294203A (en) | Water protection method for preventing and controlling coal uncovering during safe tunneling of water-rich coal seam rock roadway | |
| Lee et al. | Countermeasure of jammed TBM in rock tunnel excavation: Feedback from two cases study | |
| CN114215530B (en) | Rapid roadway digging method for directional hydraulic fracturing gob-side roadway of hard top plate |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20211231 |