CN106761873A - It is a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for protecting support of crushed zone - Google Patents
It is a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for protecting support of crushed zone Download PDFInfo
- Publication number
- CN106761873A CN106761873A CN201710029030.9A CN201710029030A CN106761873A CN 106761873 A CN106761873 A CN 106761873A CN 201710029030 A CN201710029030 A CN 201710029030A CN 106761873 A CN106761873 A CN 106761873A
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- Prior art keywords
- zone
- arch support
- track
- crushed
- collapsed
- Prior art date
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- Granted
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000011440 grout Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 9
- 239000011435 rock Substances 0.000 claims abstract description 5
- 230000010412 perfusion Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 10
- 238000007569 slipcasting Methods 0.000 description 4
- 241001669679 Eleotris Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- 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
- E21D20/00—Setting anchoring-bolts
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for protecting support of crushed zone, in the ground both sides mounting bracket track in tunnel, and the first arch support is installed；According to Collapsed zone or the length of crushed zone, guide post is respectively mounted in the both sides of the first arch support；The second prefabricated arch support to the n-th arch support is separately mounted on bracket track, the second arch support to the n-th arch support is moved respectively to specified location by drive mechanism；Retaining-plate is installed on the inverted U track of the first arch support to the n-th arch support successively；The grout pipe installed and penetrate in Collapsed zone or crushed zone is spaced on retaining-plate, and the anchor pole in the rock stratum stretched into above Collapsed zone or crushed zone is worn in grout pipe；To perfusion mortar in Collapsed zone or crushed zone, after the supporting that Collapsed zone or crushed zone are completed after mortar hardening.Underground Metallic Mines tunnel Collapsed zone and crushed zone support issues are solved, security and efficiency of construction are high.
Description
Technical field
The present invention relates to a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for protecting support of crushed zone.
Background technology
At present, the supporting of non-coal underground mine tunnel Collapsed zone and crushed zone, when tunnel occurs inbreak, is usually taken
Measure is that with steel arch-shelf plus concrete support, inbreak region, come bashing, or fills inbreak using slip casting method with sleeper
Area, when roadway construction runs into crushed zone, generally with grouting rock bolt, or passes through crushed zone with slip casting method.No matter which kind of is constructed
Scheme, during construction, workman and equipment are often exposed to danger zone, and inbreak region can occur secondary inbreak at any time,
Crushed zone can occur stone and drop at any time, can be caused casualties when serious or equipment damage.And in Bracing Process, machine
Tool degree is not high, and the installation of steel arch-shelf and the placement of top sleeper are mainly carried out by artificial mode, and labour intensity is big,
Low construction efficiency.
The content of the invention
It is an object of the invention to provide a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for protecting support of crushed zone,
Underground Metallic Mines tunnel Collapsed zone and crushed zone support issues are solved, security and efficiency of construction are high.
Technical program of the present invention lies in：It is a kind of for Underground Metallic Mines tunnel Collapsed zone and the supporting side of crushed zone
Method, comprises the following steps：
1）According to Collapsed zone or the length of crushed zone, in advance in the ground both sides mounting bracket track in tunnel, and in tunnel one end
Safety zone install the first arch support that inverted U track is provided with along its profile；
2）According to Collapsed zone or the length of crushed zone, guide post is respectively mounted in the both sides of the first arch support；
3）The second prefabricated arch support to the n-th arch support is separately mounted on bracket track, and makes the second arch branch
Frame to the fairlead of the n-th arch support both sides is nested with the guide bar respectively, second arch support to the n-th arch support
It is upper that its profile is provided with inverted U track respectively, and two side lever bottoms of the second arch support to the n-th arch support are respectively provided with
There is the roller driven by drive mechanism；
4）The second arch support to the n-th arch support is set to be moved respectively to specified location, and the n-th arch support by drive mechanism
Move to the safety zone of the tunnel other end；
5）Retaining-plate is installed on the inverted U track of the first arch support to the n-th arch support successively, and makes adjacent two arches branch
The retaining-plate of frame is end to end；
6）The grout pipe penetrated in Collapsed zone or crushed zone is installed at the interval on the retaining-plate on the downside of Collapsed zone or crushed zone,
And the anchor pole in the rock stratum for stretching into above Collapsed zone or crushed zone is worn in grout pipe；
7）By grout pipe to perfusion mortar in Collapsed zone or crushed zone, after completing Collapsed zone or crushed zone after mortar hardening
Supporting.
Further, the retaining-plate is made up of some pieces of template splicings respectively, and the template is longitudinally through inverted U track
And middle part is stuck in inverted U track, the both sides of template be respectively arranged with articulated section and through the bearing pin longitudinally through articulated section with
Adjacent forms are realized being hinged.
Further, the front and back end of the template is respectively arranged with the connection being connected with the template on adjacent retaining-plate
Portion, below Collapsed zone or crushed zone on be additionally provided with the set hole passed through for grout pipe.
Further, the Single port on first arch support to the n-th arch support positioned at inverted U track is provided with and leads
Draw motor, the output end of the traction electric machine is provided with the pull rope stretched into inverted U track；Template when mounted, will draw
Rope it is packaged with first enter inverted U track in template be connected, by ordering about the peace of retaining-plate that traction electric machine completion is assembled
Dress.
Further, the Single port of the inverted U track is provided with template limiting plate, and the another port of inverted U track sets
Arc introduction part is equipped with, the upper and lower side in inverted U track is respectively arranged with auxiliary ball.
Further, first arch support to the top of the n-th arch support is respectively arranged with crossbeam, on the crossbeam
Translot is provided with, the fixed pillar being connected with the template of retaining-plate, the both sides of translot are vertically provided with the middle part of the translot
Portion is respectively separated the tilting portable stanchion for having and being connected with the template of retaining-plate；First arch support is to the n-th arch support
Downside be also vertically provided with hydraulic prop, the expansion link of the hydraulic prop is supported in crossbeam middle part.
Further, the template middle part above fixed pillar is provided with cross draw-in groove, and the fixed pillar is in peace
Its upper end is inserted in cross draw-in groove during dress, then the lower end of fixed pillar is hinged by bearing pin with translot.
Further, cross draw-in groove is respectively arranged with for the template middle part being connected with portable stanchion upper end, it is described
Portable stanchion is when mounted sideling inserted in cross draw-in groove its upper end, then the lower end of portable stanchion is cut and by bearing pin
It is set to be hinged with the pin shaft hole being arranged on translot.
Further, the drive mechanism includes being respectively arranged at two side levers of the second arch support to the n-th arch support
The motor of bottom, the motor drives through driving chain and is connected with roller；It is arranged at intervals with the grout pipe
Plum blossom-shaped grout hole, the bottom of grout pipe is provided with grouting valve.
Further, second arch support to the n-th arch support is moved and is directed to set by clamping screw afterwards in place
It is locked through with guide post, the both sides of first arch support are additionally provided with and are connected and are in the n-th arch support phase two
The bracing piece of cross-like.
Compared with prior art, the present invention has advantages below：
During by Collapsed zone, personnel can be in time allowed to be in the construction environment of safety；And the template for using, solves inbreak
Area's slip casting problem；By the assembling of template, the support issues in inbreak region are solved；When by crushed zone, the template of design
Have and specially leave the drilling for carrying out supporting construction, workman is constructed in the case of arching plate, the operations such as anchor pole are installed,
Solve the problems, such as workman's job safety.The arch support of arching plate shifts to an earlier date on mounted track, by manual remote control
Mode is walked, and solves labour intensity greatly, and the problem of low construction efficiency, the work for usually needing 5-6 people to complete is existing
Can just be solved 2 people are only needed to.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is left side view of the invention；
Fig. 3 is the attachment structure schematic diagram of template of the invention；
Fig. 4 is the partial schematic diagram of inverted U track of the invention；
Fig. 5 is the A-A sectional views of Fig. 4 of the invention；
Fig. 6 is the structural representation of drive mechanism of the invention；
Fig. 7 is the local overlooking view of crossbeam of the invention；
Fig. 8 is the scheme of installation of arch support of the invention；
In figure：1- roads Collapsed zone and crushed zone 2- bracket tracks 10- the first arch support 11- inverted U tracks 12- lead
Encircle to bar 13- traction electric machine 14- arc introduction part 15- ball 16- hydraulic prop 17- bracing pieces 20- second
Shape support is to the n-th arch support 21- fairlead 22- roller 23- motor 24- driving chain 30- retaining-plates
The 31- template 32- articulated sections 33- bearing pin 34- connecting portions 35- set cross draw-in groove 40- grout pipes of hole 36-
41- grout holes 42- grouting valve 50- anchor pole 60- mortar 70- crossbeam 71- translots 72- fixes pillar 73-
Portable stanchion 74- bearing pins.
Specific embodiment
It is that features described above of the invention and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing, make detailed
Carefully it is described as follows, but the present invention is not limited thereto.
Referring to figs. 1 to Fig. 8
It is a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for protecting support of crushed zone, comprise the following steps：
1）It is to consider equipment in advance in the ground both sides mounting brackets track 2 in tunnel according to Collapsed zone or the length of crushed zone 1
Transportation problem, track length is designed as 1-1.5m, can be extended by bolt between track；And in the safety of tunnel one end
Region installs the first arch support 10 that inverted U track 11 is provided with along its profile；
2）According to Collapsed zone or the length of crushed zone, guide post 12 is respectively mounted in the both sides of the first arch support, to supply
Two arch supports are walked to the n-th arch support 20 and are oriented to；
3）The second prefabricated arch support to the n-th arch support is separately mounted on bracket track, and makes the second arch branch
Frame to the fairlead 21 of the n-th arch support both sides is nested with guide post 11 respectively, second arch support to the n-th arch
Its profile is provided with inverted U track respectively on support, and two side lever bottoms of the second arch support to the n-th arch support are distinguished
The roller 22 driven by drive mechanism is provided with, so as to the second arch support to the movement of the n-th arch support；
4）The second arch support to the n-th arch support is set to be moved respectively to specified location, and the n-th arch support by drive mechanism
Move to the safety zone of the tunnel other end, so as to after whole arch support installations can from Collapsed zone or crushed zone across
Cross；
5）Retaining-plate 30 is installed on the inverted U track of the first arch support, the retaining-plate installation of the first arch support is treated
The retaining-plate of the second arch support is installed again afterwards, and so on, until the retaining-plate of the n-th arch support completes to install, install
When make adjacent two arch support retaining-plate head and the tail connect, so as to improve the security of construction；
6）The grout pipe penetrated in Collapsed zone or crushed zone is installed at the interval on the retaining-plate on the downside of Collapsed zone or crushed zone
40, and the anchor pole 50 in the rock stratum stretched into above Collapsed zone or crushed zone is worn in grout pipe；
7）By grout pipe to perfusion mortar 60 in Collapsed zone or crushed zone, after completing Collapsed zone or crushed zone after mortar hardening
Supporting.
In the present embodiment, the retaining-plate is made up of some pieces of splicings of template 31 respectively, and the template is longitudinally through inverted U
Track and middle part is stuck in inverted U track, the both sides of template are respectively arranged with articulated section and through longitudinally through articulated section 32
Bearing pin 33 is realized being hinged with adjacent forms.Template is that, from pallet, width is 20cm, 1.2 ~ 1.5m of length.
In the present embodiment, the front and back end of the template is respectively arranged with the connection being connected with the template on adjacent retaining-plate
Portion 34, below Collapsed zone or crushed zone on be additionally provided with the set hole 35 passed through for grout pipe, so that grout pipe is passed through.
In the present embodiment, the Single port on first arch support to the n-th arch support positioned at inverted U track is provided with
Traction electric machine 13, the output end of the traction electric machine is provided with the pull rope stretched into inverted U track；Template when mounted, will
Pull rope it is packaged with first enter inverted U track in template be connected, driven by ordering about traction electric machine and complete the branch that assembles
The installation of backplate, makes template be automatically mounted into design attitude.Under secure conditions, then the template that carries out on next arch support
Install, so as to improve efficiency of assembling.
In the present embodiment, the Single port of the inverted U track is provided with template limiting plate, will pass through first piece of template
The spacing positioning for completing follow-up template.The another port of inverted U track is provided with arc introduction part 14, in inverted U track it is upper,
Downside is respectively arranged with the ball 15 of auxiliary template slip, so that template is preferably imported.
In the present embodiment, first arch support to the top of the n-th arch support is respectively arranged with crossbeam 70, the horizontal stroke
Translot 71 is provided with beam, the fixed pillar 72 being connected with the template of retaining-plate is vertically provided with the middle part of the translot, it is horizontal
The both sides of groove are respectively separated the tilting portable stanchion 73 for having and being connected with the template of retaining-plate；First arch support is to
The downside of n arch supports is also vertically provided with hydraulic prop 16, and the expansion link of the hydraulic prop is supported in crossbeam middle part or liquid
Longitudinal plate or bar are provided with the expansion link for pressing pillar, are connected with crossbeam by the two ends of longitudinal plate or bar.Hydraulic prop pair
One support force of template and arch support, it is ensured that the intensity of template and arch support.
In the present embodiment, the template middle part above fixed pillar is provided with cross draw-in groove 36, the fixed pillar
Its upper end is inserted in cross draw-in groove when mounted, then the lower end of fixed pillar is hinged by bearing pin 74 and translot.
In the present embodiment, the template middle part for being connected with portable stanchion upper end is respectively arranged with cross draw-in groove, institute
State portable stanchion when mounted sideling to insert in cross draw-in groove its upper end, then the lower end of portable stanchion is cut and by pin
Axle 74 makes it be hinged with the pin shaft hole being arranged on translot, and the length of portable stanchion is adjusted so as to the situation according to scene.
In the present embodiment, the drive mechanism includes being respectively arranged at the second arch support to the both sides of the n-th arch support
The motor 23 of bar bottom, the motor drives through driving chain 24 and is connected with roller.Set on the motor
Remote-control facilities is equipped with, will pass through remote-control facilities, makes the second arch support to the n-th arch support automatic moving to design attitude.
In the present embodiment, plum blossom-shaped grout hole 41 is arranged at intervals with the grout pipe, the bottom of grout pipe is provided with filling
Slurry valve 42, so as to the valve closing that will be in the milk after the completion of being in the milk.Grout pipe is mainly used to gib Collapsed zone and construction anchor pole
Protection device during hole, prevents Collapsed zone from inbreak occurring again, while by direct on anchor pole after the completion of grout pipe slip casting
Pallet is installed, grout pipe also functions to an effect for anchor pole.
In the present embodiment, second arch support to the n-th arch support motion is directed to by clamping screw afterwards in place
Through being locked with guide post, the both sides of first arch support are additionally provided with and are connected simultaneously with the n-th arch support phase two set
Cross-shaped bracing piece 17, so as to improve overall intensity.
Presently preferred embodiments of the present invention is the foregoing is only, for the ordinary skill in the art, according to this hair
Bright teaching, design multi-form for Underground Metallic Mines tunnel Collapsed zone and the method for protecting support of crushed zone, and be not required to
Want performing creative labour, it is all without departing from the principles and spirit of the present invention to be done according to scope of the present invention patent
Impartial change, modification, replacement and modification, should all belong to covering scope of the invention.
Claims (10)
1. it is a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for protecting support of crushed zone, it is characterised in that including following step
Suddenly：
1）According to Collapsed zone or the length of crushed zone, in advance in the ground both sides mounting bracket track in tunnel, and in tunnel one end
Safety zone install the first arch support that inverted U track is provided with along its profile；
2）According to Collapsed zone or the length of crushed zone, guide post is respectively mounted in the both sides of the first arch support；
3）The second prefabricated arch support to the n-th arch support is separately mounted on bracket track, and makes the second arch branch
Frame to the fairlead of the n-th arch support both sides is nested with the guide bar respectively, second arch support to the n-th arch support
It is upper that its profile is provided with inverted U track respectively, and two side lever bottoms of the second arch support to the n-th arch support are respectively provided with
There is the roller driven by drive mechanism；
4）The second arch support to the n-th arch support is set to be moved respectively to specified location, and the n-th arch support by drive mechanism
Move to the safety zone of the tunnel other end；
5）Retaining-plate is installed on the inverted U track of the first arch support to the n-th arch support successively, and makes adjacent two arches branch
The retaining-plate of frame is end to end；
6）The grout pipe penetrated in Collapsed zone or crushed zone is installed at the interval on the retaining-plate on the downside of Collapsed zone or crushed zone,
And the anchor pole in the rock stratum for stretching into above Collapsed zone or crushed zone is worn in grout pipe；
7）By grout pipe to perfusion mortar in Collapsed zone or crushed zone, after completing Collapsed zone or crushed zone after mortar hardening
Supporting.
2. according to claim 1 a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for protecting support of crushed zone, its
It is characterised by, the retaining-plate is made up of some pieces of template splicings respectively, and the template is longitudinally through inverted U track and middle part card
In in inverted U track, the both sides of template are respectively arranged with articulated section and through the bearing pin and adjacent forms longitudinally through articulated section
Realization is hinged.
3. according to claim 2 a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for protecting support of crushed zone, its
It is characterised by, the front and back end of the template is respectively arranged with the connecting portion being connected with the template on adjacent retaining-plate, positioned at emitting
Settle in an area or crushed zone below on be additionally provided with the set hole passed through for grout pipe.
4. a kind of according to Claims 2 or 3 be for Underground Metallic Mines tunnel Collapsed zone and the method for crushed zone supporting,
Characterized in that, the Single port on first arch support to the n-th arch support positioned at inverted U track is provided with traction electricity
Machine, the output end of the traction electric machine is provided with the pull rope stretched into inverted U track；Template when mounted, by pull rope with
First it is packaged enter inverted U track in template be connected, the installation of retaining-plate assembled by ordering about traction electric machine to complete.
5. according to claim 4 a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for crushed zone supporting, its
It is characterised by, the Single port of the inverted U track is provided with template limiting plate, and the another port of inverted U track is provided with arc
Introduction part, the upper and lower side in inverted U track is respectively arranged with auxiliary ball.
6. a kind of according to claim 2,3 or 5 is for Underground Metallic Mines tunnel Collapsed zone and the side of crushed zone supporting
Method, it is characterised in that first arch support to the top of the n-th arch support is respectively arranged with crossbeam, is set on the crossbeam
Translot is equipped with, the fixed pillar being connected with the template of retaining-plate, the both sides of translot are vertically provided with the middle part of the translot
It is respectively separated the tilting portable stanchion for having and being connected with the template of retaining-plate；First arch support is to the n-th arch support
Downside is also vertically provided with hydraulic prop, and the expansion link of the hydraulic prop is supported in crossbeam middle part.
7. according to claim 6 a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for crushed zone supporting, its
It is characterised by, the template middle part above fixed pillar is provided with cross draw-in groove, and the fixed pillar is when mounted by it
Upper end is inserted in cross draw-in groove, then the lower end of fixed pillar is hinged by bearing pin with translot.
8. according to claim 6 a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for crushed zone supporting, its
It is characterised by, the template middle part for being connected with portable stanchion upper end is respectively arranged with cross draw-in groove, the portable stanchion
Its upper end is sideling inserted in cross draw-in groove when mounted, then the lower end of portable stanchion is cut and is made it and is set by bearing pin
The pin shaft hole being placed on translot is hinged.
9. according to claim 1 a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for crushed zone supporting, its
It is characterised by, the drive mechanism includes the drive of the two side lever bottoms for being respectively arranged at the second arch support to the n-th arch support
Dynamic motor, the motor drives through driving chain and is connected with roller；Plum blossom-shaped filling is arranged at intervals with the grout pipe
Slurry hole, the bottom of grout pipe is provided with grouting valve.
10. a kind of according to claim 1 or 9 is for Underground Metallic Mines tunnel Collapsed zone and the side of crushed zone supporting
Method, it is characterised in that second arch support to the n-th arch support move in place afterwards by clamping screw be directed to set through with
Guide post is locked, and the both sides of first arch support are additionally provided with and be connected with the n-th arch support phase two and in intersecting
The bracing piece of shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710029030.9A CN106761873B (en) | 2017-01-16 | 2017-01-16 | It is a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for protecting support of crushed zone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710029030.9A CN106761873B (en) | 2017-01-16 | 2017-01-16 | It is a kind of for Underground Metallic Mines tunnel Collapsed zone and the method for protecting support of crushed zone |
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| Publication Number | Publication Date |
|---|---|
| CN106761873A true CN106761873A (en) | 2017-05-31 |
| CN106761873B CN106761873B (en) | 2018-11-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448226A (en) * | 2017-09-25 | 2017-12-08 | 张莲莲 | One kind mining support fender bracket |
| CN108661664A (en) * | 2018-04-04 | 2018-10-16 | 中交第三公路工程局有限公司 | A kind of tunnel crushed zone construction method and combination supporting device |
| CN109444377A (en) * | 2018-12-11 | 2019-03-08 | 河南理工大学 | Similar material simulation experiment tunnel reservation device and its laneway molding method |
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| CN108661664A (en) * | 2018-04-04 | 2018-10-16 | 中交第三公路工程局有限公司 | A kind of tunnel crushed zone construction method and combination supporting device |
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