CN105927254A - Emergency device for collapse of mined tunnel vault and application method - Google Patents
Emergency device for collapse of mined tunnel vault and application method Download PDFInfo
- Publication number
- CN105927254A CN105927254A CN201610501260.6A CN201610501260A CN105927254A CN 105927254 A CN105927254 A CN 105927254A CN 201610501260 A CN201610501260 A CN 201610501260A CN 105927254 A CN105927254 A CN 105927254A
- Authority
- CN
- China
- Prior art keywords
- tunnel vault
- top board
- caves
- emergency set
- fixing bar
- 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
- 238000000034 method Methods 0.000 title claims abstract description 20
- 235000019994 cava Nutrition 0.000 claims description 17
- 238000007569 slipcasting Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000008439 repair process Effects 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/24—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses an emergency device for the collapse of a mined tunnel vault and an application method. The emergency device comprises adjusting components, fixed rods and a top plate, wherein the fixed rods are welded at four corners of the top plate; the adjusting components are arranged at the lower parts of the corresponding fixed rods; each adjusting component comprises a lead screw, a bottom support and a support; each bottom support is fixed at the bottom of the corresponding lead screw; each support is in threaded connection with the corresponding lead screw. The emergency device for the collapse of the mined tunnel vault and the application method provided by the invention are applied to the field of tunnel construction. The emergency device is reasonable in structure; according to the emergency device and the application method, security assurance is provided for construction treatment of a collapse unstable initial stage of the tunnel vault, the timeliness of the collapse unstable treatment of the tunnel vault is improved, the construction period is shortened, and the construction quality of the tunnel is improved.
Description
Technical field
The present invention relates to constructing tunnel field, particularly relate to a kind of bored tunnel vault and cave in emergency set and using method.
Background technology
Tunnel be build in underground, under water or in massif, place an iron railway or build highway for the current building of motor vehicles, the most more and more utilize in civilian infrastructure construction such as subway, electric power, heating power, pipe galleries.Carry out classification according to constructing tunnel position difference to be divided into: mountain tunnel, submerged tunnel and city tunnel.
During constructing tunnel, due to reasons such as hydrogeologic condition are poor, advance reinforcement effect is bad, top load is uprushed, tunnel vault is caused to be susceptible to cave in the phenomenon of unstability.Cave in Instability at tunnel vault, owing to not possessing the condition of safe construction, it is impossible to carry out repair process in time.The situation of unstability of caving in for tunnel vault, typically needs to wait for soil layer and consolidates, and tunnel vault caves in after unstability is fully completed, then carries out repair process.General processing method is: use multi-layer sheet, plank manually to block, and is then filled with material backfill, reinforces.
Tunnel vault caves in the process of unstability it cannot be guaranteed that promptness, it is impossible to the expansion of the destabilizing effect that effectively controls to cave in, and easily produces secondary potential safety hazard, affects construction period and construction quality to a certain extent.
Summary of the invention
It is an object of the invention to for above-mentioned technical problem, provide a kind of bored tunnel vault to cave in emergency set and using method, it is rational in infrastructure, it is applied to constructing tunnel field, it provides convenience and safety assurance for the cave in construction processing at unstability initial stage of tunnel vault, improve tunnel vault cave in unstability process promptness, shorten construction period, improve constructing tunnel quality.
Technical scheme
For solving above-mentioned technical problem, a kind of bored tunnel vault that the present invention provides caves in emergency set and using method, including adjusting part, fixing bar and top board.
Fixing bar is welded on the corner of top board, and adjusting part is arranged on the bottom of fixing bar;Adjusting part includes leading screw, collet and support, and collet is fixed on the bottom of leading screw, supports and is connected with threads of lead screw;By the support on rotating threaded shaft, the height of scalable top board, top board is made to fit together as much as possible with tunnel vault.
Further, described top board is steel band lattice plate, and the profile of top board is equipped with tunnel vault, and the middle part of top board is provided with filler slip casting working hole, after collapsed cavity backfill, carries out grouting and reinforcing.One end of Grouting Pipe is connected with grouting pump, and the other end of Grouting Pipe pumps out serosity, repairs tunnel vault unstability point, repairs the unstability of tunnel vault in time.
Further, described fixing bar is round steel pipe, and it is provided with evenly spaced pin-and-hole vertically.
Further, described emergency set also includes extension bar, extension bar be axially also equipped with evenly spaced pin-and-hole, when the length of fixing bar cannot meet construction requirement, need to connect extension bar in the end of fixing bar, to improve the height of top board, top board is made to fit together as far as possible with tunnel vault.
Further, described extension bar is round steel pipe, and the diameter of extension bar is less than the diameter of fixing bar, and extension bar is connected by the hex bolts through pin-and-hole with fixing bar.
Disclosed herein as well is a kind of bored tunnel vault to cave in the using method of emergency set, specifically include following steps:
S1, overlaps adjusting part, prepares fixing bar, extension bar and top board, and assembled bored tunnel vault caves in emergency set;
S2, the support on rotating threaded shaft, make top board fit with tunnel vault;
S3, through filler slip casting working hole backfill collapsed cavity slip casting, repairs tunnel vault unstability part.
The method have the benefit that
The bored tunnel vault that the present invention provides caves in emergency set and using method is applied to constructing tunnel field, it is rational in infrastructure, for tunnel vault cave in the unstability initial stage construction processing provide safety assurance, improve tunnel vault cave in unstability process promptness, shorten construction period, improve constructing tunnel quality.
Accompanying drawing explanation
By the detailed description made in conjunction with the following drawings, above-mentioned and/or other aspects of the present invention and advantage will be apparent from and be easier to understand, and these accompanying drawings the most schematically, are not limiting as the present invention, wherein:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of the adjusting part of the present invention;
Fig. 3 is the front view of the present invention.
In accompanying drawing, the parts representated by each label are as follows:
1. fix bar;2. top board;3. leading screw;4. collet;5. support;6. filler slip casting working hole.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings a kind of bored tunnel vault of the present invention caved in emergency set and using method is described in detail.
The embodiment recorded at this is the specific detailed description of the invention of the present invention, for the design of the present invention is described, is all explanatory and exemplary, should not be construed as the restriction to embodiment of the present invention and the scope of the invention.In addition to the embodiment recorded at this, those skilled in the art can also use other technical scheme obvious based on the application claims and description disclosure of that, and these technical schemes include using the technical scheme making any obvious substitutions and modifications to the embodiment recorded at this.
The accompanying drawing of this specification is schematic diagram, aids in illustrating the design of the present invention, it is schematically indicated the shape of each several part and mutual relation thereof.Note that the structure of each parts for the ease of clearly showing the embodiment of the present invention, do not draw according to identical ratio between each accompanying drawing.Identical reference marker is used for representing identical part.
Fig. 1 to Fig. 3 is that a kind of bored tunnel vault of the present invention caves in the accompanying drawings of emergency set.
A kind of bored tunnel vault caves in emergency set, and it includes adjusting part, fixing bar 1 and top board 2.Fixing bar 1 is welded on the corner of top board 2, and adjusting part is arranged on the bottom of fixing bar 1.
Fig. 2 is the structural representation of adjusting part, and it includes leading screw 3, collet 4 and supports 5, and collet 4 is placed on construction ground, and leading screw 3 is connected with the middle part of collet 4, supports 5 and threadeds with leading screw 3.By the support 5 on rotating threaded shaft 3, the height of scalable top board 2, top board 2 and tunnel vault is made to keep a determining deviation.
In the present invention, top board 2 is steel band lattice plate, and the profile of top board 2 is equipped with tunnel vault, the middle part of top board 2 is provided with filler slip casting working hole 6, grouting device carries out grouting and reinforcing via working hole 6, repairs tunnel vault unstability point, repairs the unstability of tunnel vault in time.
Fig. 3 is the front view of the present invention.Leading screw 3 on adjusting part is arranged on the inside of fixing bar 1, supports the lower end in contact of 5 and fixing bar 1, the weight of carrying emergency set.
In the present invention, fixing bar 1 is round steel pipe, and it is provided with evenly spaced pin-and-hole vertically.
Described emergency set also includes extension bar, extension bar be axially also equipped with evenly spaced pin-and-hole.When the height of fixing bar 1 cannot meet construction requirement, need to insert in fixing bar 1 extension bar;Described extension bar is also round steel pipe, and its diameter is less than the diameter of fixing bar 1, and extension bar is connected by the hex bolts through pin-and-hole with fixing bar 1.
In the embodiment in figure 1, a diameter of φ 60mm of fixing bar 1, a diameter of φ 48mm of corresponding extension bar, and a diameter of φ 34mm of the leading screw 3 being connected with fixing bar 1;So, leading screw 3, fixing bar 1, extension bar can connect smoothly.
During constructing tunnel, tunnel vault unstability of caving in is when occurring, and workmen is caved in emergency set using method according to bored tunnel vault described herein, and processing procedure is as follows:
First, overlapping adjusting part, prepare fixing bar 1, extension bar and top board 2, assembled bored tunnel vault caves in emergency set;
Then, the support 5 on rotating threaded shaft 3, make top board 2 fit with tunnel vault;
Finally, backfill collapsed cavity slip casting through filler slip casting working hole 6, tunnel vault unstability part is repaired.
The bored tunnel vault that the present invention provides caves in emergency set and using method is applied to constructing tunnel field, it is rational in infrastructure, for tunnel vault cave in the unstability initial stage construction processing provide safety assurance, improve tunnel vault cave in unstability process promptness, shorten construction period, improve constructing tunnel quality.
The present invention is not limited to above-mentioned embodiment; anyone can draw other various forms of products under the enlightenment of the present invention; though but in its shape or structure, make any change, every have same as the present application or akin technical scheme, within all falling within protection scope of the present invention.
Claims (6)
1. a bored tunnel vault caves in emergency set, it is characterised in that including adjusting part, fixing bar (1) and top board (2), fixing bar (1) is welded on the corner of top board (2), and adjusting part is arranged on the bottom of fixing bar (1);Adjusting part includes leading screw (3), collet (4) and supports (5), and collet (4) is fixed on the bottom of leading screw (3), supports (5) and threadeds with leading screw (3).
Bored tunnel vault the most according to claim 1 caves in emergency set, it is characterised in that described top board (2) is steel band lattice plate, and the profile of top board (2) is equipped with tunnel vault, and the middle part of top board (2) is provided with filler slip casting working hole (6).
Bored tunnel vault the most according to claim 1 caves in emergency set, it is characterised in that described fixing bar (1) is round steel pipe, and it is provided with evenly spaced pin-and-hole vertically.
Bored tunnel vault the most according to claim 1 caves in emergency set, it is characterised in that described emergency set also includes extension bar, extension bar be axially also equipped with evenly spaced pin-and-hole.
Bored tunnel vault the most according to claim 4 caves in emergency set, it is characterised in that described extension bar is round steel pipe, and its diameter is less than the diameter of fixing bar (1), and extension bar is connected by the hex bolts through pin-and-hole with fixing bar (1).
6. in a Claims 1 to 5, bored tunnel vault described in any one caves in the using method of emergency set, it is characterised in that comprise the following steps:
S1, overlaps adjusting part, prepares fixing bar (1), extension bar and top board (2), and assembled bored tunnel vault caves in emergency set;
S2, the support (5) on rotating threaded shaft (3), make top board (2) fit with tunnel vault;
S3, through filler slip casting working hole (6) backfill collapsed cavity slip casting, repairs tunnel vault unstability part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610501260.6A CN105927254A (en) | 2016-06-30 | 2016-06-30 | Emergency device for collapse of mined tunnel vault and application method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610501260.6A CN105927254A (en) | 2016-06-30 | 2016-06-30 | Emergency device for collapse of mined tunnel vault and application method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105927254A true CN105927254A (en) | 2016-09-07 |
Family
ID=56829492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610501260.6A Pending CN105927254A (en) | 2016-06-30 | 2016-06-30 | Emergency device for collapse of mined tunnel vault and application method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105927254A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108150200A (en) * | 2018-01-18 | 2018-06-12 | 西南石油大学 | A kind of support of tunnel arch and application method |
CN110410126A (en) * | 2019-07-20 | 2019-11-05 | 宿州市金鼎安全技术股份有限公司 | A kind of Mine Safety in Production management system based on local area network |
CN110410113A (en) * | 2019-09-08 | 2019-11-05 | 天津大学前沿技术研究院有限公司 | A kind of concrete pipe sheet filleting plugging device and method for blocking |
CN110529159A (en) * | 2019-08-26 | 2019-12-03 | 中南大学 | A kind of temporary support device and its implementation method |
CN110847940A (en) * | 2019-10-25 | 2020-02-28 | 湖州鹿山坞建材科技有限公司 | Support frame that used in mine |
CN111576925A (en) * | 2020-04-29 | 2020-08-25 | 张达芬 | Quick building steel support frame and implementation method thereof |
CN112483143A (en) * | 2021-01-15 | 2021-03-12 | 上海节车电子科技有限公司 | Mine tunnel collapse emergency reaction device preset in mine car |
CN112832831A (en) * | 2021-01-05 | 2021-05-25 | 湘潭大学 | Deep well excavation safety engineering management is prevented collapsing and is used protection machanism |
CN113914866A (en) * | 2021-09-10 | 2022-01-11 | 中隧隧盾国际建设工程有限公司 | Support structure for underground excavation of pipe gallery and construction method |
CN115075851A (en) * | 2022-06-15 | 2022-09-20 | 山东省煤田地质局第四勘探队 | Tunnel roof fall emergency treatment structure and construction method |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5314161A (en) * | 1992-05-29 | 1994-05-24 | Bochumer Eisenhutte Heintzmann Gmbh & Co. Kg | Mine prop |
US5400994A (en) * | 1991-01-22 | 1995-03-28 | Dyckerhoff & Widmann Ag Of Munich | Yieldable roof support system |
US5484130A (en) * | 1993-11-13 | 1996-01-16 | Bochumer Eisenhutte Heintzmann Gmbh & Co. Kg | Support column for use in a mine |
DE20008874U1 (en) * | 2000-05-17 | 2000-08-31 | Kolk, Theodor, 45721 Haltern | Lost prop |
AU2773200A (en) * | 1999-04-14 | 2000-10-19 | Andrew J Marianski | Compressible support column |
CN2775304Y (en) * | 2005-02-28 | 2006-04-26 | 王伏虎 | High strength light self moving type protective rack |
CN202001036U (en) * | 2011-03-25 | 2011-10-05 | 鹤壁煤电股份有限公司第三煤矿 | Reinforced shed used in U-shaped shed-supported laneway |
CN102444411A (en) * | 2011-09-20 | 2012-05-09 | 山东海力实业集团有限公司 | Spiral lifting pressure stabilization support column |
CN202690086U (en) * | 2011-11-23 | 2013-01-23 | 王琼 | Flexible shield support frame with adjustable height |
CN203547764U (en) * | 2013-09-12 | 2014-04-16 | 漳平市万山竹业工贸有限公司 | Support frame for tunnel |
CN204225492U (en) * | 2014-11-20 | 2015-03-25 | 陈俊光 | A kind of formwork steel with a scale supports |
CN204357447U (en) * | 2014-11-12 | 2015-05-27 | 中铁二院工程集团有限责任公司 | A kind of prefabricated pipe section for shield tunnel lining cutting stratum grouting device behind |
CN204402521U (en) * | 2015-01-06 | 2015-06-17 | 中国矿业大学(北京) | Mining hydraulic temporary support device |
CN204783072U (en) * | 2015-07-13 | 2015-11-18 | 招金矿业股份有限公司大尹格庄金矿 | YGZ -90 rock drill safety canopy guard canopy with adjustable |
CN205063972U (en) * | 2015-10-28 | 2016-03-02 | 中铁建大桥工程局集团第五工程有限公司 | A fill formula strutting arrangement for controlling tunnel landslide |
-
2016
- 2016-06-30 CN CN201610501260.6A patent/CN105927254A/en active Pending
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5400994A (en) * | 1991-01-22 | 1995-03-28 | Dyckerhoff & Widmann Ag Of Munich | Yieldable roof support system |
US5314161A (en) * | 1992-05-29 | 1994-05-24 | Bochumer Eisenhutte Heintzmann Gmbh & Co. Kg | Mine prop |
US5484130A (en) * | 1993-11-13 | 1996-01-16 | Bochumer Eisenhutte Heintzmann Gmbh & Co. Kg | Support column for use in a mine |
AU2773200A (en) * | 1999-04-14 | 2000-10-19 | Andrew J Marianski | Compressible support column |
DE20008874U1 (en) * | 2000-05-17 | 2000-08-31 | Kolk, Theodor, 45721 Haltern | Lost prop |
CN2775304Y (en) * | 2005-02-28 | 2006-04-26 | 王伏虎 | High strength light self moving type protective rack |
CN202001036U (en) * | 2011-03-25 | 2011-10-05 | 鹤壁煤电股份有限公司第三煤矿 | Reinforced shed used in U-shaped shed-supported laneway |
CN102444411A (en) * | 2011-09-20 | 2012-05-09 | 山东海力实业集团有限公司 | Spiral lifting pressure stabilization support column |
CN202690086U (en) * | 2011-11-23 | 2013-01-23 | 王琼 | Flexible shield support frame with adjustable height |
CN203547764U (en) * | 2013-09-12 | 2014-04-16 | 漳平市万山竹业工贸有限公司 | Support frame for tunnel |
CN204357447U (en) * | 2014-11-12 | 2015-05-27 | 中铁二院工程集团有限责任公司 | A kind of prefabricated pipe section for shield tunnel lining cutting stratum grouting device behind |
CN204225492U (en) * | 2014-11-20 | 2015-03-25 | 陈俊光 | A kind of formwork steel with a scale supports |
CN204402521U (en) * | 2015-01-06 | 2015-06-17 | 中国矿业大学(北京) | Mining hydraulic temporary support device |
CN204783072U (en) * | 2015-07-13 | 2015-11-18 | 招金矿业股份有限公司大尹格庄金矿 | YGZ -90 rock drill safety canopy guard canopy with adjustable |
CN205063972U (en) * | 2015-10-28 | 2016-03-02 | 中铁建大桥工程局集团第五工程有限公司 | A fill formula strutting arrangement for controlling tunnel landslide |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108150200A (en) * | 2018-01-18 | 2018-06-12 | 西南石油大学 | A kind of support of tunnel arch and application method |
CN110410126A (en) * | 2019-07-20 | 2019-11-05 | 宿州市金鼎安全技术股份有限公司 | A kind of Mine Safety in Production management system based on local area network |
CN110410126B (en) * | 2019-07-20 | 2020-12-01 | 宿州市金鼎安全技术股份有限公司 | Mine safety production management system based on local area network |
CN110529159A (en) * | 2019-08-26 | 2019-12-03 | 中南大学 | A kind of temporary support device and its implementation method |
CN110410113A (en) * | 2019-09-08 | 2019-11-05 | 天津大学前沿技术研究院有限公司 | A kind of concrete pipe sheet filleting plugging device and method for blocking |
CN110847940A (en) * | 2019-10-25 | 2020-02-28 | 湖州鹿山坞建材科技有限公司 | Support frame that used in mine |
CN111576925A (en) * | 2020-04-29 | 2020-08-25 | 张达芬 | Quick building steel support frame and implementation method thereof |
CN111576925B (en) * | 2020-04-29 | 2021-11-05 | 浙江东新建设有限公司 | Quick building steel support frame and implementation method thereof |
CN112832831A (en) * | 2021-01-05 | 2021-05-25 | 湘潭大学 | Deep well excavation safety engineering management is prevented collapsing and is used protection machanism |
CN112832831B (en) * | 2021-01-05 | 2022-12-02 | 湘潭大学 | Deep well excavation safety engineering management is prevented collapsing and is used protection machanism |
CN112483143A (en) * | 2021-01-15 | 2021-03-12 | 上海节车电子科技有限公司 | Mine tunnel collapse emergency reaction device preset in mine car |
CN113914866A (en) * | 2021-09-10 | 2022-01-11 | 中隧隧盾国际建设工程有限公司 | Support structure for underground excavation of pipe gallery and construction method |
CN113914866B (en) * | 2021-09-10 | 2024-02-23 | 中隧隧盾国际建设工程有限公司 | Supporting structure for pipe gallery underground excavation and construction method |
CN115075851A (en) * | 2022-06-15 | 2022-09-20 | 山东省煤田地质局第四勘探队 | Tunnel roof fall emergency treatment structure and construction method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105927254A (en) | Emergency device for collapse of mined tunnel vault and application method | |
CN109209392B (en) | Full-ring excavation method suitable for IV-V-grade surrounding rock of large-section tunnel | |
CN105332710B (en) | Suitable for the overlapping tunnel construction method up and down of small interval long range under Unfavorable geology | |
CN103982199B (en) | Tunnel Second Lining formwork jumbo locking plug template, plug node and method for blocking | |
CN103470272B (en) | A kind of chassis for the multiple section concrete construction of Mining Method and construction method thereof | |
CN103321654A (en) | Method for managing roof collapse of coal mine roadway by aid of flexible air bags | |
CN205000974U (en) | A tire formula automatic rising equipment rack for tunnel excavation construction | |
CN106245526A (en) | The splicing structure of mining under railways protecting wall, straight wall and shield and construction method | |
CN106979027A (en) | Control the convergent lock pin stake supporting construction of Tunnel sedimentation | |
CN104989434A (en) | Method for treating landslide of tunneling working face with pipe penetration combined lagging jacks | |
CN206309412U (en) | A kind of umbrella shape point pillar gib for coal mine roadway | |
CN108590147A (en) | Assembling the shaped steel suspension scaffolding and its construction method | |
CN102817621A (en) | Comprehensive construction method applicable to controlling arch basement sedimentation for tunnel in unfavorable geological conditions | |
CN203546728U (en) | Improved installation fixing device of top-down steel pipe column | |
CN108756945A (en) | The device and construction method administered for multilayer goaf grouting | |
CN109183831B (en) | Become the multistage load stake of stake diameter string hole and its construction method | |
CN108678767B (en) | Excavation and yielding-rigid combined supporting construction method for extruded large-deformation surrounding rock tunnel | |
CN204212442U (en) | A kind of hi-Fix guiding device | |
CN207974835U (en) | A kind of ring beam reserved steel bar and shield launching widened section connecting structure for grille | |
CN205840897U (en) | A kind of bored tunnel vault caves in emergency set | |
CN112727470B (en) | Construction reinforcing method for shield tunnel at overlapped section | |
CN112855029B (en) | Goaf drilling external pipe expansion construction method | |
CN107964978A (en) | Wind driven generator base crab-bolt ruggedized construction and foundation anchor bolt fracture reinforcement means | |
CN107587770A (en) | Disjunctor storehouse synchronization slding form operation method | |
CN203907010U (en) | Flexible connection device for pipe jacking construction in soft soil layer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |
|
RJ01 | Rejection of invention patent application after publication |