CN108035754A - A kind of roadway bolt anchor cable combination supporting method - Google Patents
A kind of roadway bolt anchor cable combination supporting method Download PDFInfo
- Publication number
- CN108035754A CN108035754A CN201711106842.5A CN201711106842A CN108035754A CN 108035754 A CN108035754 A CN 108035754A CN 201711106842 A CN201711106842 A CN 201711106842A CN 108035754 A CN108035754 A CN 108035754A
- Authority
- CN
- China
- Prior art keywords
- anchor cable
- anchor
- hole
- floor
- bolthole
- 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 11
- 239000011435 rock Substances 0.000 claims abstract description 29
- 239000002002 slurry Substances 0.000 claims abstract description 26
- 239000011083 cement mortar Substances 0.000 claims abstract description 11
- 238000007569 slipcasting Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000005553 drilling Methods 0.000 claims description 10
- 238000004873 anchoring Methods 0.000 claims description 7
- 229920001131 Pulp (paper) Polymers 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 238000004880 explosion Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 101100027969 Caenorhabditis elegans old-1 gene Proteins 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 241000270708 Testudinidae Species 0.000 claims 1
- 239000011398 Portland cement Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- DGVVJWXRCWCCOD-UHFFFAOYSA-N naphthalene;hydrate Chemical compound O.C1=CC=CC2=CC=CC=C21 DGVVJWXRCWCCOD-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
- E21D20/021—Grouting with inorganic components, e.g. cement
-
- 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
- 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
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
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)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of roadway bolt anchor cable combination supporting method, including gib layer, forms slurries in the bottom hole portion slip casting of bolthole and anchor cable hole and reinforces group；Form superficial part supporting and deep supporting；Seal orifice, the mounting base grouting anchor pile in floor grouting hole, and inject cement mortar to the floor grouting anchor tube.The present invention solves the problems, such as that roadway support country rock is broken in the prior art, deforms or even collapse, bottom distension is strong, it is necessary to repair repeatedly.
Description
Technical field
The present invention relates to Roadway Support Technology field, is specially a kind of roadway bolt anchor cable combination supporting method.
Background technology
At present, as the expansion of coal mining scope, the increase of mining depth, the tunnel of supporting difficulty are more and more.It is real
Proof is trampled, has been difficult to prove effective using the strong strong supporting mode such as metallic support.In recent years, grouting support is come into being.It is relatively golden
Belong to for stent, grouting support is a kind of active support mode, it is started with transforming coffer mechanics performance, country rock (or coal body)
Extraneous pressure is resisted as supporting main body, the reliability and support speed of supporting is greatly improved, reduces support cost.But
It is this support pattern in the case where mining influence is larger, stress is complicated, still can produces destruction, supporting rock crusher, become
Shape so collapse, bottom distension is strong, it is necessary to repair repeatedly, influence production efficiency, increase cost of winning.
The content of the invention
It is an object of the invention to provide a kind of roadway bolt anchor cable combination supporting method, solves tunnel in the prior art
Supporting country rock is broken, deform or even collapse, bottom distension is strong, it is necessary to the problem of repairing repeatedly.
To achieve the above object, the present invention provides following technical solution：
A kind of roadway bolt anchor cable combination supporting method, includes the following steps：
Step a, after driling explosion excavates tunnel, exposed balkstones all to work surface and two help country rock surface injection 30~
50mm concrete forms gib layer, with temporary enclosed country rock；
Step b, bolthole is bored at the top of roadway surrounding rock and on lane side, armature boring depth is 3m；In the bottom hole of the bolthole
Portion's slip casting forms slurries and reinforces group；And the rod end of anchor pole is anchored at the slurries and is reinforced in group, the rod end of anchor pole
After the completion of anchoring, cement mortar is injected in the bolthole, grouting pressure is 5MPa in bolthole, forms superficial part supporting；In lane
Anchor cable hole, drilling depth 6m are bored at the center of top and both sides spandrel of road country rock；Formed in the bottom hole portion slip casting of the anchor cable hole
Slurries reinforce group；And reinforce the cable body end anchorage of anchor cable in group in the slurries, after the completion of the cable body end anchorage of anchor cable,
Cement mortar is injected in the anchor cable hole, grouting pressure is 10Mpa in anchor cable hole, forms deep supporting；
Step c, prestressed anchor cable supplement support is carried out in the bolthole and anchor cable hole.
Step d, described bolthole and anchor cable hole are reacted to each other sealing of hole by staple and chemical pulp, staple and chemical pulp reaction
Volumetric expansion afterwards, seal orifice, closing length are 280-300mm；
Step e, in Floor water plane, the thickness of 800mm is excavated downwards, the floor rock surface injection 150mm after excavation
Thick concrete layer, which is formed, stops pulp layer；The construction floor grouting hole on the floor rock for stopping pulp layer is formed, in floor grouting hole
Mounting base grouting anchor pile, and cement mortar is injected to the floor grouting anchor tube, finally roadway floor is formed with concrete backfill
On smooth concrete backfill layer.
Preferably, after step d, tracking drilling, radius of the bore position centered on anchor pole, anchor cable are carried out to roadway surrounding rock
Start arrangement expansion at 0.2-0.3 meters, drill 0.4-0.8 meters of distance between borehole；At old 1 meter of the top of drilling depth distance, so neither
The deformation of top plate can effectively be suppressed again by influencing the anchoring strength of anchor cable；Bore angle is parallel with adjacent anchor shaft anchor cable；Drilling is straight
Footpath is identical with anchor cable diameter.
Preferably, after step d, steel wire rope is hung on anchor pole and arranges steel basketry net in tunnel inner wall, anchor pole anchor disk is installed, is made
Steel wire rope and steel basketry net are close to tunnel inner wall, small using the second layer concrete of 50~70mm of pulp shooting machine even application, maintenance 24
When, prevent concrete to be cracked because of dehydration.
Compared with prior art, beneficial effects of the present invention are as follows：
1st, in roadway support structure of the present invention, due to the bottom hole portion of bolthole and anchor cable hole have slurries reinforce group, anchor pole and
The end anchorage of anchor cable is reinforced in group in the slurries.The reliability of anchor pole and the anchor cable grappling in rock stratum can so be strengthened,
Decline the pretightning force of anchor pole and anchor cable to prevent grappling loosely, so that the occurrence of reducing rock stratum roadway deformation.
2nd, control effect of the present invention is good, preferably solves deep tunnel deformation especially severe, bottom distension is strong, safeguards very
The problem of difficult, effectively prevent the reclamation work in tunnel, reduce roadway support cost.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
In figure：1 gib layer, 2 anchor poles, 3 anchor cables, 4 slurries reinforce group, 5 only pulp layer, 6 grouting anchor piles, 7 backfill layers, 8
Second layer concrete.
Embodiment
The preferred embodiment of the present invention is illustrated below in conjunction with attached drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Referring to Fig. 1, a kind of roadway bolt anchor cable combination supporting method, includes the following steps：
Step a, after driling explosion excavates tunnel, exposed balkstones all to work surface and two help country rock surface injection 30~
50mm concrete forms gib layer 1, with temporary enclosed country rock；Broken arch body surface face is formed into an entirety, prevents from noting
The outflow of slurries during slurry.
When the driling explosion excavates tunnel, periphery hole is smaller than 2R2, periphery hole contour line retraction data for R2~
1.1R2, wherein, R2 represents the radius of Rock Fragmentation by Blasting relaxation zone；Alternatively, using the method every eye powder charge, and periphery hole fills
Dose is no more than 200g.
Step b, bolthole is bored at the top of roadway surrounding rock and on lane side, armature boring depth is 3m；In the bolthole
The slip casting of bottom hole portion forms slurries and reinforces group 4；And the rod end of anchor pole 2 is anchored at the slurries and is reinforced in group 4, anchor pole 2
After the completion of rod end anchoring, cement mortar is injected in the bolthole, grouting pressure is 5MPa in bolthole, forms superficial part branch
Shield；Anchor cable hole, drilling depth 6m are bored at the center of top of roadway surrounding rock and both sides spandrel；Noted in the bottom hole portion of the anchor cable hole
Slurry forms slurries and reinforces group 4；And the cable body end anchorage of anchor cable 3 is reinforced in group 4 in the slurries, the cable body end of anchor cable 3
After the completion of anchoring, cement mortar is injected in the anchor cable hole, grouting pressure is 10Mpa in anchor cable hole, forms deep supporting.
In a preferred embodiment, the cross-sectional area that the slurries reinforce group 4 is that 3 cable body of anchor cable and 2 body of rod of anchor pole are transversal
11-14 times of area.The cross-sectional area that the slurries reinforce group 4 is too small, is unfavorable for the reliable grappling of anchor cable 3 and anchor pole 2, slurries
The cross-sectional area of the group of reinforcing 4 is as too greatly, not only increased difficulty of construction, and can increase the production costs such as slurry.
Step c, prestressed anchor cable supplement support is carried out in the bolthole and anchor cable hole；
Step d, described bolthole and anchor cable hole are reacted to each other sealing of hole by staple and chemical pulp, body after staple and chemical pulp reaction
Product expansion, seal orifice, closing length is 280-300mm；
Step e, in Floor water plane, the thickness of 800mm is excavated downwards, the floor rock surface injection 150mm after excavation
Thick concrete layer, which is formed, stops pulp layer 5；The construction floor grouting hole on the floor rock for stopping pulp layer 5 is formed, in floor grouting hole
Middle mounting base grouting anchor pile 6, and cement mortar is injected into the floor grouting anchor tube 6, finally lane is formed with concrete backfill
Smooth concrete backfill layer 7 on road bottom plate.
The concrete used by moisture 2~5% mix and stir material and water is made, wherein mix and stir material be by each component according to
Following weight proportion is made：1 part of cement, 2 parts of sand, 2 parts of stone, during gunning concrete, will make the Spray gun nozzle and rock of pulp shooting machine
The angle in face is 75~90 °, and distance of the nozzle away from scar is 0.9m~1.2m, control pulp shooting machine wind pressure of work be more than 5Mpa,
Hydraulic pressure is maintained at 1~4Mpa.
The cement mortar is composed of the following components：Portland cement slurry, account for the Portland cement slurries matter
The hydrophilic nano-silicon dioxide of amount 0.5%~1.5%, account for the Portland cement grind slurries quality 0.2%~3%
UNF-5 type naphthalene water reducers.
In a preferred embodiment, after step d, tracking drilling is carried out to roadway surrounding rock, bore position is with anchor pole 2, anchor cable 3
Centered on 0.2-0.3 meters of radius at start arrangement expansion, drill 0.4-0.8 meters of distance between borehole；Old 1 meter of the top of drilling depth distance
Place, so neither influence anchor pole 2, the anchoring strength of anchor cable 3 can effectively suppress the deformation of top plate again；Bore angle and adjacent anchor
Bar 2, anchor cable 3 are parallel；Bore diameter is identical with anchor pole 2,3 diameter of anchor cable.
In a preferred embodiment, after step d, steel wire rope is hung on anchor pole and arranges steel basketry net, installation in tunnel inner wall
Anchor pole anchor disk, makes steel wire rope and steel basketry net be close to tunnel inner wall, using the second layer coagulation of 50~70mm of pulp shooting machine even application
Soil 8, when maintenance 24 is small, prevents concrete to be cracked because of dehydration.
Finally it should be noted that：The foregoing is merely the preferred embodiment of the present invention, it is not intended to limit the invention, to the greatest extent
Pipe is with reference to the foregoing embodiments described in detail the present invention, and for those skilled in the art, it still can be with
Modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the present invention
Within the scope of shield.
Claims (3)
1. a kind of roadway bolt anchor cable combination supporting method, it is characterised in that include the following steps：
Step a, after driling explosion excavates tunnel, exposed balkstones all to work surface and two help country rock surface injection 30~
50mm concrete forms gib layer, with temporary enclosed country rock；
Step b, bolthole is bored at the top of roadway surrounding rock and on lane side, armature boring depth is 3m；In the bottom hole of the bolthole
Portion's slip casting forms slurries and reinforces group；And the rod end of anchor pole is anchored at the slurries and is reinforced in group, the rod end of anchor pole
After the completion of anchoring, cement mortar is injected in the bolthole, grouting pressure is 5MPa in bolthole, forms superficial part supporting；In lane
Anchor cable hole, drilling depth 6m are bored at the center of top and both sides spandrel of road country rock；Formed in the bottom hole portion slip casting of the anchor cable hole
Slurries reinforce group；And reinforce the cable body end anchorage of anchor cable in group in the slurries, after the completion of the cable body end anchorage of anchor cable,
Cement mortar is injected in the anchor cable hole, grouting pressure is 10Mpa in anchor cable hole, forms deep supporting；
Step c, prestressed anchor cable supplement support is carried out in the bolthole and anchor cable hole.
Step d, described bolthole and anchor cable hole are reacted to each other sealing of hole by staple and chemical pulp, body after staple and chemical pulp reaction
Product expansion, seal orifice, closing length is 280-300mm；
Step e, in Floor water plane, the thickness of 800mm is excavated downwards, the floor rock surface injection 150mm after excavation
Thick concrete layer, which is formed, stops pulp layer；The construction floor grouting hole on the floor rock for stopping pulp layer is formed, in floor grouting hole
Mounting base grouting anchor pile, and cement mortar is injected to the floor grouting anchor tube, finally roadway floor is formed with concrete backfill
On smooth concrete backfill layer.
A kind of 2. roadway bolt anchor cable combination supporting method according to claim 1, it is characterised in that：After the step d,
Tracking drilling is carried out to roadway surrounding rock, starts arrangement exhibition at 0.2-0.3 meters of radius of the bore position centered on anchor pole, anchor cable
Open, drill 0.4-0.8 meters of distance between borehole；At old 1 meter of the top of drilling depth distance, the anchoring strength for so neither influencing anchor cable again can
The effective deformation for suppressing top plate；Bore angle is parallel with adjacent anchor shaft anchor cable；Bore diameter is identical with anchor cable diameter.
A kind of 3. roadway bolt anchor cable combination supporting method according to claim 1, it is characterised in that：After the step d,
Steel wire rope is hung on anchor pole and arranges steel basketry net in tunnel inner wall, anchor pole anchor disk is installed, steel wire rope and steel basketry net is close to tunnel
Inner wall, using the second layer concrete of 50~70mm of pulp shooting machine even application, when maintenance 24 is small, prevent concrete because of dehydration tortoise
Split.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711106842.5A CN108035754A (en) | 2017-11-10 | 2017-11-10 | A kind of roadway bolt anchor cable combination supporting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711106842.5A CN108035754A (en) | 2017-11-10 | 2017-11-10 | A kind of roadway bolt anchor cable combination supporting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108035754A true CN108035754A (en) | 2018-05-15 |
Family
ID=62093835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711106842.5A Pending CN108035754A (en) | 2017-11-10 | 2017-11-10 | A kind of roadway bolt anchor cable combination supporting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108035754A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372555A (en) * | 2018-12-26 | 2019-02-22 | 中国矿业大学 | A kind of fault disruption zone area tunnel 3 D stereo grouting support method |
| CN109763821A (en) * | 2019-03-15 | 2019-05-17 | 山西潞安矿业(集团)有限责任公司 | A kind of compound shield lane method of dynamic pressure exploiting field main entry |
| CN110566226A (en) * | 2019-08-30 | 2019-12-13 | 河南理工大学 | shallow-consolidation deep-injection supporting method for rapid excavation of broken roof large-section roadway |
| CN110593903A (en) * | 2019-09-27 | 2019-12-20 | 中国矿业大学 | Novel grouting anchor cable supporting method and grouting anchor cable |
| CN112576276A (en) * | 2020-11-18 | 2021-03-30 | 彬县水帘洞煤炭有限责任公司 | Rock coal supporting method based on loose rock coal seam grouting reinforcement |
| CN113356904A (en) * | 2021-07-14 | 2021-09-07 | 宿州市金鼎安全技术股份有限公司 | Three-anchor combined dynamic support method for deep well high-stress soft rock roadway |
| CN113586109A (en) * | 2021-07-09 | 2021-11-02 | 山东黄金矿业(莱州)有限公司三山岛金矿 | Hanging wall rock mass supporting method for underground mining ore body of metal mine |
| WO2022063326A1 (en) * | 2020-09-28 | 2022-03-31 | 中煤科工开采研究院有限公司 | Spraying temporary support and bolt permanent support method and system |
| CN114294034A (en) * | 2021-12-29 | 2022-04-08 | 国家能源集团宁夏煤业有限责任公司 | Roadway support system and roadway support method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4052860A (en) * | 1974-12-09 | 1977-10-11 | Environmental Engineering Dr. Ing. Alterman Ltd. | Construction of underground tunnels and rock chambers |
| CN101493011A (en) * | 2008-12-30 | 2009-07-29 | 中国科学院武汉岩土力学研究所 | Soft expansion type wall rock tunnel support method |
| CN101906977A (en) * | 2010-07-21 | 2010-12-08 | 中国矿业大学(北京) | Method for preventing and treating large deformation and collapse of softrock tunnel |
| CN102337903A (en) * | 2011-08-25 | 2012-02-01 | 安徽理工大学 | Method of active coupling support in time and space for control of minimum deformation of surrounding rock of deep well roadway |
| CN103174444A (en) * | 2013-02-26 | 2013-06-26 | 中国矿业大学(北京) | Support method and support structure for soft coal/ rock stratum alley |
| CN104074529A (en) * | 2013-08-02 | 2014-10-01 | 河北工程大学 | A continuous double-shell reinforcement method for deep roadways and chambers |
| CN104533453A (en) * | 2014-12-12 | 2015-04-22 | 山东科技大学 | Substep dynamic coupling support method for roadway fault fracture zone |
| CN105178981A (en) * | 2015-09-30 | 2015-12-23 | 中国矿业大学 | Total-section closed type deep-shallow coupling yielding, bolting-grouting and supporting method for incompact and fractured soft-rock roadway |
-
2017
- 2017-11-10 CN CN201711106842.5A patent/CN108035754A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4052860A (en) * | 1974-12-09 | 1977-10-11 | Environmental Engineering Dr. Ing. Alterman Ltd. | Construction of underground tunnels and rock chambers |
| CN101493011A (en) * | 2008-12-30 | 2009-07-29 | 中国科学院武汉岩土力学研究所 | Soft expansion type wall rock tunnel support method |
| CN101906977A (en) * | 2010-07-21 | 2010-12-08 | 中国矿业大学(北京) | Method for preventing and treating large deformation and collapse of softrock tunnel |
| CN102337903A (en) * | 2011-08-25 | 2012-02-01 | 安徽理工大学 | Method of active coupling support in time and space for control of minimum deformation of surrounding rock of deep well roadway |
| CN103174444A (en) * | 2013-02-26 | 2013-06-26 | 中国矿业大学(北京) | Support method and support structure for soft coal/ rock stratum alley |
| CN104074529A (en) * | 2013-08-02 | 2014-10-01 | 河北工程大学 | A continuous double-shell reinforcement method for deep roadways and chambers |
| CN104533453A (en) * | 2014-12-12 | 2015-04-22 | 山东科技大学 | Substep dynamic coupling support method for roadway fault fracture zone |
| CN105178981A (en) * | 2015-09-30 | 2015-12-23 | 中国矿业大学 | Total-section closed type deep-shallow coupling yielding, bolting-grouting and supporting method for incompact and fractured soft-rock roadway |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372555A (en) * | 2018-12-26 | 2019-02-22 | 中国矿业大学 | A kind of fault disruption zone area tunnel 3 D stereo grouting support method |
| CN109763821A (en) * | 2019-03-15 | 2019-05-17 | 山西潞安矿业(集团)有限责任公司 | A kind of compound shield lane method of dynamic pressure exploiting field main entry |
| CN109763821B (en) * | 2019-03-15 | 2024-02-09 | 山西潞安矿业(集团)有限责任公司 | Dynamic pressure mining area large roadway composite roadway protection method |
| CN110566226A (en) * | 2019-08-30 | 2019-12-13 | 河南理工大学 | shallow-consolidation deep-injection supporting method for rapid excavation of broken roof large-section roadway |
| CN110593903A (en) * | 2019-09-27 | 2019-12-20 | 中国矿业大学 | Novel grouting anchor cable supporting method and grouting anchor cable |
| CN110593903B (en) * | 2019-09-27 | 2020-08-25 | 中国矿业大学 | Novel grouting anchor cable supporting method and grouting anchor cable |
| WO2022063326A1 (en) * | 2020-09-28 | 2022-03-31 | 中煤科工开采研究院有限公司 | Spraying temporary support and bolt permanent support method and system |
| CN112576276A (en) * | 2020-11-18 | 2021-03-30 | 彬县水帘洞煤炭有限责任公司 | Rock coal supporting method based on loose rock coal seam grouting reinforcement |
| CN113586109A (en) * | 2021-07-09 | 2021-11-02 | 山东黄金矿业(莱州)有限公司三山岛金矿 | Hanging wall rock mass supporting method for underground mining ore body of metal mine |
| CN113356904A (en) * | 2021-07-14 | 2021-09-07 | 宿州市金鼎安全技术股份有限公司 | Three-anchor combined dynamic support method for deep well high-stress soft rock roadway |
| CN114294034A (en) * | 2021-12-29 | 2022-04-08 | 国家能源集团宁夏煤业有限责任公司 | Roadway support system and roadway support method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108035754A (en) | A kind of roadway bolt anchor cable combination supporting method | |
| CN103195441B (en) | A kind of supporting and reinforcing structure of coal mine tunnel and construction technology thereof | |
| CN111119935B (en) | Multi-layer grouting reinforcement method for surrounding rock of soft and broken roadway structure | |
| CN102996149B (en) | Support method for bolt-grouting composite crushing dynamic-pressure roadway soft rock roof by high-pre-stressed anchor cable | |
| CN204098049U (en) | A kind of protective reinforcing structure of broken rock mass slope | |
| CN108087008B (en) | A kind of three-soft seam gob side entry method for protecting support | |
| CN204000901U (en) | The vertical high slope prestressing anchor support of a kind of massif device | |
| CN104481560A (en) | Roadway roof aquifer treatment method | |
| CN104895073B (en) | Can being dismounted for multiple times anchor cable construction system and its construction method | |
| CN105040712A (en) | High-pressure washing anchor planting and recharging comprehensive biological protection structure of soft and hard smashing interbedding type composite rock slope and construction method of structure | |
| CN208533540U (en) | Soil Nailing Wall sloping timbering structure | |
| CN112145203A (en) | Full-face advancing type sectional grouting construction method and overlapped tunnel construction method | |
| CN114673527B (en) | Progressive roadway and tunnel broken surrounding rock reinforcing method | |
| CN112177635A (en) | Construction method of step multiple advanced small guide pipe and construction method of overlapped tunnel | |
| CN109209443A (en) | A kind of construction method of breaking surrounding rock tunnel structure | |
| CN110645018B (en) | Mine underground strong dynamic pressure roadway prestress anchor-charging integrated supporting structure and method | |
| CN204875812U (en) | Broken alternating layers formula composite rock matter side slope high pressure of soft or hard washes plants anchor and recharges and synthesize ecological protective structure | |
| CN109403321A (en) | Construction method of filling slope prestressed anchor cable | |
| CN109763852B (en) | Advanced support structure suitable for unconsolidated formation and construction method thereof | |
| CN205400758U (en) | Temporary support system convenient to undercut tunnel passes through fast and invades limit pipeline region | |
| CN102286979A (en) | Construction method for deep foundation pit supporting by adopting steel pipe piles-self-drilling prestressed anchor bars | |
| CN115717397A (en) | Larsen steel sheet pile and prestressed anchor cable combined supporting construction method | |
| CN110714770A (en) | Support method for releasing high ground stress of hard horizontal surrounding rock through buffer layer | |
| CN113882425B (en) | Hole digging foundation structure for high and steep slope and construction method | |
| CN113982033B (en) | Method for repairing hydraulic retaining wall with inclination trend by using water in post-construction structure without damage to wall |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180515 |
|
| RJ01 | Rejection of invention patent application after publication |