CN110030001A - A kind of construction method that mountain tunnel is appeared - Google Patents
A kind of construction method that mountain tunnel is appeared Download PDFInfo
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- CN110030001A CN110030001A CN201910461546.XA CN201910461546A CN110030001A CN 110030001 A CN110030001 A CN 110030001A CN 201910461546 A CN201910461546 A CN 201910461546A CN 110030001 A CN110030001 A CN 110030001A
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- 238000010276 construction Methods 0.000 title claims abstract description 61
- 239000011435 rock Substances 0.000 claims abstract description 52
- 238000009412 basement excavation Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 238000004880 explosion Methods 0.000 claims abstract description 14
- 238000005422 blasting Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000002360 explosive Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000004904 shortening Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007569 slipcasting Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- E21D11/14—Lining predominantly with metal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention discloses a kind of construction method that mountain tunnel is appeared, suspend driving in safe distance, simple workbench is piled up using the part rock ballast generated in leading portion digging process for advance support and the prevention Blasting shock wave of constructing, and protective net is hung using the grouting pipe beaten from inside to outside from hole, then control explosion is repeatedly carried out on a small quantity by the sequence of construction of design, formation is slagged tap funnel, and in combination with mechanical excavation, thus the mode of cycle operation is appeared.The present invention piles up simple workbench using rock ballast and adjusts inclination angle and the size of funnel of slagging tap, solve the problems, such as that the unfavorable factors such as precipitous, the falling rocks slungshot of the landform faced during tunnel outlet are brought to a certain extent, influence during tunnel outlet to surrounding enviroment is preferably minimized, guarantees construction environmental protection and safety.
Description
Technical field
The present invention relates to method for tunnel construction technical fields, more particularly to a kind of construction method that mountain tunnel is appeared.
Background technique
Tunnel is the engineering works being embedded in stratum, is a kind of form of human use's underground space.Tunnel can divide
For traffic tunnel, Hydraulic Tunnel, municipal tunnel, mining tunnel.The structure in tunnel includes main building object and auxiliary device two
Point.Main building object is made of barrel and portal, and auxiliary device includes that refuge chamber, fire fighting device, emergency communication and guarded drainage are set
It applies, there are also special ventilation and lighting apparatus for major long tunnel.
Currently, short, Pollen sterility the mode for mostly using only head to tunnel by going out hole into hole to the other end of appearing, construction is extremely
Out when hole, it will usually generate a large amount of rock ballast and be directly discharged from hole out.When having residential building, highway, crops etc. under mountain,
It will cause a degree of destruction, it is clear that the form of construction work of this extensive style is simultaneously undesirable.Ecological environmental protection is considered simultaneously
It is the problem of aspect, particularly significant using economic, environmental protection, effective mode of appearing.
Therefore, how to change in the prior art, rock ballast shows to what ambient enviroment damaged when constructing tunnel to hole out
Shape is those skilled in the art's urgent problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of construction methods that mountain tunnel is appeared, above-mentioned of the existing technology to solve
Problem makes tunnel outlet construction being capable of existing building or topography and geomorphology under effective protection mountain.
To achieve the above object, the present invention provides following schemes: the present invention provides a kind of construction that mountain tunnel is appeared
Method includes the following steps:
Step 1: face pause is tunneled forward, and the rock ballast that tunnel cutting is generated is accumulated when excavating barrel to hole out
Simple workbench is formed, there is gap between simple workbench and country rock face to be excavated；
Step 2: pipe shed support is arranged at the top of face excavating, distance is equal to barrel between pipe shed support and out hole
Diameter, the steel pipe of pipe shed support is obliquely installed obliquely towards the direction for going out hole；
Step 3: grouting pipe is arranged in the bottom of inverted arch, the axis of grouting pipe and the axis in tunnel are parallel, slip casting
Conduit stretches out outside the side slope of the mountain ridge, and protective net is arranged outside the side slope of the mountain ridge, and protective net one end is fixed in grouting pipe, protective net
Height is high compared with the height of barrel；
Step 4: Smooth Blasting Construction
A, free face is formed by vertical wedge cut, aperture, row spacing and the hole depth of vertical wedge cut are according to enclosing
Rock category setting；
B, explosion design is carried out according to practical country rock situation, excavated section, explosive, difficulty of construction；
C, blast working is from top to bottom carried out by the way of repeatedly a small amount of when explosion, since face has gradient,
Funnel of slagging tap is formed after explosion；
D, the remaining rock mass within the scope of Excavation blasting by way of mechanical excavation, penetrates through face, when excavation, the cross in tunnel
Section direction is according to first both sides intermediate sequence of excavation again, and vertical direction is according to top-down sequence of excavation；
E, since Blasting Excavation generates new rock ballast, the new rock ballast generated will be excavated and accumulate to form new simple work and put down
Platform makees preliminary bracing using new simple workbench, by unwanted rock ballast in simple workbench before by into hole
It transports；
F, using the method cycle operation of A-E, until completing the excavation of face；
Step 5: face is completed after excavating, by rock ballast remaining in tunnel all by transporting into hole, complete to appear.
Preferably, in step 1, barrel is excavated apart from when hole is 4-8m out, pause is tunneled forward.
Preferably, in step 1, simple workbench is prismatoid shape.
Preferably, in step 2, the diameter of steel tube of pipe shed support is 96mm.
Preferably, in step 3, the distance that grouting pipe is stretched out outside the side slope of the mountain ridge is 2m.
Preferably, in step 4, using shortening or the borehole that is staggered, the method for controlling total explosive charge encloses periphery with reducing
The disturbance of rock.
Preferably, tunnel uses the mode of the bolt support.
The present invention achieves following technical effect compared with the existing technology: the construction party that mountain tunnel of the invention is appeared
Method suspends driving in safe distance, piles up simple workbench using the part rock ballast generated in leading portion digging process and be used to
Construction advance support and prevention Blasting shock wave, and protective net is hung using the grouting pipe beaten from inside to outside from hole, then press
The sequence of construction of design repeatedly carries out control explosion on a small quantity, funnel of slagging tap is formed, in combination with mechanical excavation, thus cycle operation
Mode appear.The present invention piles up simple workbench using rock ballast and adjusts inclination angle and the size of funnel of slagging tap, certain
Solve the problems, such as that the unfavorable factors such as precipitous, the falling rocks slungshot of the landform faced during tunnel outlet are brought in degree, by tunnel
Influence to surrounding enviroment is preferably minimized during road is appeared, and guarantees construction environmental protection and safety.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the construction process figure for the construction method that mountain tunnel of the invention is appeared；
Fig. 2 is the construction surrounding enviroment schematic diagram for the construction method that mountain tunnel of the invention is appeared；
Fig. 3 is the entrance construction schematic cross-sectional view out for the construction method that mountain tunnel of the invention is appeared；
Fig. 4 is the entrance construction axial direction sectional schematic diagram out for the construction method that mountain tunnel of the invention is appeared；
Wherein, 1 is the rock mass for hole and not excavating, and 2 be Tunnel Design contour line, and 3 be simple workbench, and 4 be slip casting
Conduit, 5 be protective net, and 6 be non-breakable building, and 7 be suspension roof support, and 8 be pipe shed support, and 9 be inverted arch, and 10 be leakage of slagging tap
Bucket, 11 be interim steel arch-shelf, and 12 is excavate face, and 13 be to excavate the rock ballast generated, and α is funnel angle of slagging tap.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of construction methods that mountain tunnel is appeared, above-mentioned of the existing technology to solve
Problem makes tunnel outlet construction being capable of existing building or topography and geomorphology under effective protection mountain.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Please refer to Fig. 1-4, wherein Fig. 1 is the construction process figure for the construction method that mountain tunnel of the invention is appeared, Fig. 2
For the construction surrounding enviroment schematic diagram for the construction method that mountain tunnel of the invention is appeared, Fig. 3 is that mountain tunnel of the invention goes out
The construction method in hole goes out entrance construction schematic cross-sectional view, and Fig. 4 is going out for the construction method that mountain tunnel of the invention is appeared
Entrance construction axial direction sectional schematic diagram.
The present invention provides a kind of construction method that mountain tunnel is appeared, and includes the following steps:
Step 1: building operation platform
When tunnel excavation barrel to hole a distance out, is excavating in face safe distance, tunnel cutting is being generated
Rock ballast accumulate to form simple workbench 3, between simple workbench 3 and country rock face to be excavated have gap.
Step 2: carrying out out pre support at hole
Pipe shed support is set at the top of face excavating, the length of steel pipe of pipe shed support be it is medium, pipe shed support with appear
Distance is equal to the diameter of barrel between mouthful, and the steel pipe of pipe shed support is obliquely installed obliquely towards the direction for going out hole；When construction,
Drilling is carried out according to the boring direction of design, diameter, the elevation angle, depth, ring phase spacing above face excavating, is often drilled one
Steel pipe and slip casting are inserted into behind hole in time.
Step 3: installation safeguard procedures
Grouting pipe 4 is set in the bottom of inverted arch, the axis of grouting pipe 4 and the axis in tunnel are parallel, grouting pipe 4
It stretches out outside the side slope of the mountain ridge, grouting pipe 4 can be used as a part of tunnel excavation pre support, and completion need to will only stretch out mountain after appearing
Part grouting pipe 4 outside the side slope of ridge is cut, and it is convenient to operate.Protective net 5,5 one end of protective net are set outside the side slope of the mountain ridge
It is fixed in grouting pipe 4, grouting pipe 4 can provide support for protective net 5, and the height of protective net 5 is high compared with the height of barrel.
Step 4: Smooth Blasting Construction
A, free face is formed by vertical wedge cut, aperture, row spacing and the hole depth of vertical wedge cut are according to enclosing
Rock category setting.
B, explosion design is carried out according to practical country rock situation, excavated section, explosive, difficulty of construction.
C, blast working is from top to bottom carried out by the way of repeatedly a small amount of when explosion, since face has gradient,
Funnel 10 of slagging tap is formed after explosion, the lower leakage due to gravity of the rock mass of loosening is formed slopely leakage of slagging tap using excavation face
Bucket 10 can reduce operator's workload by leaking rock ballast under gravity, improve working efficiency.In present embodiment
In, the inclination angle for funnel 10 of slagging tap is 5 ° -10 °.
D, the remaining rock mass within the scope of Excavation blasting by way of mechanical excavation, penetrates through face, when excavation, the cross in tunnel
Section direction is according to first both sides intermediate sequence of excavation again, and vertical direction is according to top-down sequence of excavation；Specifically please refer to
Figure, horizontal direction first excavates upper left side section, then excavates upper right side section, finally excavate upside mid-section, vertical direction by
It is excavated in order under.The mode of appearing of a small amount of multiple photoface exploision combination mechanical excavation can effectively reduce work progress
In disturbance to country rock, while reducing the falling rocks of explosion generation, slungshot.
E, since Blasting Excavation generates new rock ballast, the new rock ballast generated will be excavated and accumulate to form new simple work and put down
Platform 3 makees preliminary bracing using new simple workbench 3, by unwanted rock ballast in simple workbench 3 before by into hole
Mouth transports.Herein it should be noted that the simple workbench 3 that rock ballast is piled into not is fixation, in work progress of appearing
In, continue the new simple workbench 3 of accumulation using the new rock ballast for excavating generation on one side, on one side the unwanted accumulation by before
The rock ballast of simple workbench 3 by transporting into hole, i.e., constantly update and move towards direction is excavated by simple workbench 3,
Simple workbench 3 can not only be as the operation platform of lead pipe-shed support, additionally it is possible to effectively stop to generate when blast working
Shock wave.
F, using the method cycle operation of A-E, until completing the excavation of face.The present invention uses photoface exploision, this
The protective net 5 slagged tap outside funnel 10 and hole formed in the control explosion combination blasting process of microseismic activity, will appear construction pair
The influence of surrounding enviroment minimizes, additionally it is possible to shorten the construction period, improve working efficiency.
Step 5: face is completed after excavating, by rock ballast remaining in tunnel all by transporting into hole, complete to appear, mountain
Lower building is not influenced by tunnel outlet construction.
In this embodiment, in step 1, barrel is excavated apart from when hole is 4-8m out, pause is tunneled forward,
Stop tunneling forward when being excavated to hole a certain distance, the material elements such as the size of distance and geological conditions are related.
Specifically, in step 1, simple workbench 3 is prismatoid shape, and the simple workbench 3 of prismatoid shape is construction
It provides and stablizes support.
In addition, the diameter of steel tube of pipe shed support is 96mm in step 2, pipe shed support reliability is improved.
More specifically, the distance that grouting pipe 4 is stretched out outside the side slope of the mountain ridge is 2m in step 3, grouting pipe 4 is protective net
5 provide stable support.
Further, in step 4, when country rock situation is poor, using shortening or the borehole that is staggered, total explosive charge is controlled
Method, to reduce the disturbance to peripheral rock.
Further, tunnel uses the mode of the bolt support, and suspension roof support supporting effect is good, at low cost, easy to operate.
The construction method that mountain tunnel of the invention is appeared, suitable for having non-breakable building below massif, can not
When expropriation of land, as much as possible reduction mountain tunnel appear construction in the adverse effect caused by it, in safe distance
Pause driving, using the part rock ballast generated in leading portion digging process pile up simple workbench 3 be used to construct advance support and
Prevent Blasting shock wave, and hang protective net 5 using the grouting pipe 4 beaten from inside to outside from hole, then the construction by design is suitable
Sequence repeatedly carries out control explosion on a small quantity, forms funnel 10 of slagging tap, in combination with mechanical excavation, thus the mode of cycle operation goes out
Hole.The present invention piles up simple workbench 3 using rock ballast and adjusts inclination angle and the size of funnel 10 of slagging tap, to a certain extent
Solve the problems, such as that the unfavorable factors such as precipitous, the falling rocks slungshot of the landform faced during tunnel outlet are brought, by tunnel outlet
The influence of surrounding enviroment is preferably minimized in the process, guarantees construction environmental protection and safety.Meanwhile mountain tunnel of the invention is appeared
Construction method, difficulty of construction is low, reduce personnel, machinery and construction method adjustment triviality, reduce construction cost,
Importantly, can neatly adjust the simple workbench 3 piled up according to the actual conditions of country rock and surrounding enviroment and appear
The position of mouth, the inclination angle for funnel 10 of slagging tap and size.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (7)
1. a kind of construction method that mountain tunnel is appeared, which comprises the steps of:
Step 1: face pause is tunneled forward when excavating barrel to hole out, the rock ballast that tunnel cutting generates is accumulated to be formed
Simple workbench has gap between simple workbench and country rock face to be excavated；
Step 2: pipe shed support is arranged at the top of face excavating, distance is equal to the straight of barrel between pipe shed support and out hole
The steel pipe of diameter, pipe shed support is obliquely installed obliquely towards the direction for going out hole；
Step 3: grouting pipe is arranged in the bottom of inverted arch, the axis of grouting pipe and the axis in tunnel are parallel, grouting pipe
It stretches out outside the side slope of the mountain ridge, protective net is set outside the side slope of the mountain ridge, protective net one end is fixed in grouting pipe, the height of protective net
It is high compared with the height of barrel；
Step 4: Smooth Blasting Construction
A, free face is formed by vertical wedge cut, aperture, row spacing and the hole depth of vertical wedge cut are according to country rock class
It does not set；
B, explosion design is carried out according to practical country rock situation, excavated section, explosive, difficulty of construction；
C, blast working is from top to bottom carried out by the way of repeatedly a small amount of when explosion, since face has gradient, explosion
Funnel of slagging tap is formed afterwards；
D, the remaining rock mass within the scope of Excavation blasting by way of mechanical excavation, penetrates through face, when excavation, the cross section in tunnel
Direction is according to first both sides intermediate sequence of excavation again, and vertical direction is according to top-down sequence of excavation；
E, since Blasting Excavation generates new rock ballast, the new rock ballast generated will be excavated and accumulate to form new simple workbench,
Make preliminary bracing using new simple workbench, by unwanted rock ballast in simple workbench before by transporting into hole
Out；
F, using the method cycle operation of A-E, until completing the excavation of face；
Step 5: face is completed after excavating, by rock ballast remaining in tunnel all by transporting into hole, complete to appear.
2. the construction method that mountain tunnel according to claim 1 is appeared, it is characterised in that: in step 1, excavate barrel
Distance out hole be 4-8m when, pause tunnel forward.
3. the construction method that mountain tunnel according to claim 1 is appeared, it is characterised in that: simple to work in step 1
Platform is prismatoid shape.
4. the construction method that mountain tunnel according to claim 1 is appeared, it is characterised in that: in step 2, pipe shed support
Diameter of steel tube be 96mm.
5. the construction method that mountain tunnel according to claim 1 is appeared, it is characterised in that: in step 3, grouting pipe
The distance stretched out outside the side slope of the mountain ridge is 2m.
6. the construction method that mountain tunnel according to claim 1 is appeared, it is characterised in that: in step 4, using shortening
Or the borehole that is staggered, the method for controlling total explosive charge, to reduce the disturbance to peripheral rock.
7. the construction method that mountain tunnel according to claim 1 is appeared, it is characterised in that: tunnel uses suspension roof support side
Formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910461546.XA CN110030001B (en) | 2019-05-30 | 2019-05-30 | Construction method for mountain tunnel to go out of hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910461546.XA CN110030001B (en) | 2019-05-30 | 2019-05-30 | Construction method for mountain tunnel to go out of hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110030001A true CN110030001A (en) | 2019-07-19 |
| CN110030001B CN110030001B (en) | 2020-06-30 |
Family
ID=67243646
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910461546.XA Active CN110030001B (en) | 2019-05-30 | 2019-05-30 | Construction method for mountain tunnel to go out of hole |
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| Country | Link |
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| CN (1) | CN110030001B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513121A (en) * | 2019-08-20 | 2019-11-29 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of egg shell shape grouting tunnel refuge chamber structure |
| WO2022198841A1 (en) * | 2021-03-24 | 2022-09-29 | 山东科技大学 | Flying-limiting hole drilling and blasting method for controlling flying stones in tunnel blasting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07229390A (en) * | 1994-02-17 | 1995-08-29 | Teruki Fujiyama | Tunnel |
| CN102620614A (en) * | 2012-04-19 | 2012-08-01 | 中铁二局股份有限公司 | Construction method for cave depot slag funnel |
| CN104533428A (en) * | 2014-11-28 | 2015-04-22 | 大连市市政设计研究院有限责任公司 | Steep cliff tunnel hole excavation construction method |
| CN104596372A (en) * | 2014-12-31 | 2015-05-06 | 中国铁道科学研究院铁道建筑研究所 | Tunneling method for improving explosion driving rate and lowering explosion vibration |
| CN109707399A (en) * | 2019-02-21 | 2019-05-03 | 中铁二院工程集团有限责任公司 | Tunnel outlet support structure and its construction method |
| CN109812277A (en) * | 2019-02-28 | 2019-05-28 | 中铁十八局集团有限公司 | A kind of vertical cliff tunnel active defense bimetallic tube canopy of high drop is appeared safely method |
-
2019
- 2019-05-30 CN CN201910461546.XA patent/CN110030001B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07229390A (en) * | 1994-02-17 | 1995-08-29 | Teruki Fujiyama | Tunnel |
| CN102620614A (en) * | 2012-04-19 | 2012-08-01 | 中铁二局股份有限公司 | Construction method for cave depot slag funnel |
| CN104533428A (en) * | 2014-11-28 | 2015-04-22 | 大连市市政设计研究院有限责任公司 | Steep cliff tunnel hole excavation construction method |
| CN104596372A (en) * | 2014-12-31 | 2015-05-06 | 中国铁道科学研究院铁道建筑研究所 | Tunneling method for improving explosion driving rate and lowering explosion vibration |
| CN109707399A (en) * | 2019-02-21 | 2019-05-03 | 中铁二院工程集团有限责任公司 | Tunnel outlet support structure and its construction method |
| CN109812277A (en) * | 2019-02-28 | 2019-05-28 | 中铁十八局集团有限公司 | A kind of vertical cliff tunnel active defense bimetallic tube canopy of high drop is appeared safely method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513121A (en) * | 2019-08-20 | 2019-11-29 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of egg shell shape grouting tunnel refuge chamber structure |
| CN110513121B (en) * | 2019-08-20 | 2024-03-26 | 中国电建集团贵阳勘测设计研究院有限公司 | Eggshell-shaped grouting tunnel car-avoiding tunnel structure |
| WO2022198841A1 (en) * | 2021-03-24 | 2022-09-29 | 山东科技大学 | Flying-limiting hole drilling and blasting method for controlling flying stones in tunnel blasting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110030001B (en) | 2020-06-30 |
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