CN108397218A - Based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force - Google Patents
Based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force Download PDFInfo
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- CN108397218A CN108397218A CN201810429690.0A CN201810429690A CN108397218A CN 108397218 A CN108397218 A CN 108397218A CN 201810429690 A CN201810429690 A CN 201810429690A CN 108397218 A CN108397218 A CN 108397218A
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- force
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- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 239000003245 coal Substances 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 238000010521 absorption reaction Methods 0.000 claims abstract description 42
- 241000167854 Bourreria succulenta Species 0.000 claims description 13
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 6
- 239000002956 ash Substances 0.000 claims description 6
- 239000011083 cement mortar Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 8
- 208000014674 injury Diseases 0.000 abstract description 8
- 238000013016 damping Methods 0.000 abstract description 6
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000004880 explosion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007569 slipcasting Methods 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002023 wood Substances 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0093—Accessories
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)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a kind of based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force, include that the side side support system of side, and the pressure relief groove that is opened on gate road bottom plate are helped for the roof timbering system of supporting gate road top plate and for supporting gate road two；Roof timbering system includes the short anchor cable of multiple top plates and absorption cell, and the short anchor cable of two neighboring top plate extended along gate road length direction is connected by top plate spill channel steel, and top plate pressure relief hole is opened up on top plate；Side side support system includes the short anchor cable in multiple side sides and absorption cell, and the two neighboring short anchor cable in side side laid along side side short transverse is by helping the connection of side spill channel steel, gate road two to help to offer side side pressure relief vent on side.The composite support system for principle, can effectively inhibit the overall deformation in tunnel with " unloading strong branch, damping energy-absorbing by force ", can reduce the injury to personnel and equipment when bump occurs, while effectively inhibiting the bottom distension in tunnel.
Description
Technical field
The invention belongs to bump timbering technology in coal mine field, it is specifically related to that a kind of strong branch is theoretical to rush based on unloading by force
Press coal mine rectangle crossheading composite support system with hitting.
Background technology
Currently, rock blast hazard has become and takes place frequently in buried high seam coal road recovery process and insoluble main disasters
Evil.Live a large amount of monitoring data show that under the influence of strong dynamic pressure, relaxation zone range has been more than anchor rod anchored range, causes majority
Anchor pole fails, and can not provide good support action.Roadway deformation is violent, and wall caving bottom distension phenomenon is difficult to solve, traditional supporting
Means can not ensure the safety in production of coal working face.This not only influences mining progress, but also usually threatens digging people
The safety of member and equipment.Therefore, a kind of new support system of design ensures that safe and efficient production is necessary.
Invention content
It is an object of the invention to overcome above-mentioned deficiency in the prior art, provide that a kind of strong branch is theoretical to rush based on unloading by force
Press coal mine rectangle crossheading composite support system with hitting.The composite support system with " unloading strong branch, damping energy-absorbing by force " be principle, can
Effectively inhibit the overall deformation in tunnel, the injury to personnel and equipment, while effectively suppression can be reduced when bump occurs
The bottom distension in tunnel is made.
To achieve the above object, the technical solution adopted by the present invention is：Based on the bump coal mine for unloading strong branch theory by force
Rectangle crossheading composite support system, it is characterised in that：Include the roof timbering system for supporting gate road top plate and suction
Energy part and the side side support system and absorption cell that side is helped for supporting gate road two, and it is opened in gate road bottom plate
On pressure relief groove；The roof timbering system includes the short anchor cable of multiple top plates for stretching into top plate, along gate road length side
It is connected to the short anchor cable of two neighboring top plate of extension by top plate spill channel steel, top plate pressure relief hole is offered on the top plate；
The side side support system includes multiple short anchor cables in side side that side is helped for stretching into gate road two, along side side short transverse cloth
If the two neighboring short anchor cable in side side by help side spill channel steel be connected, the gate road two help side on offer side
Side pressure relief vent.
It is above-mentioned based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force, it is characterised in that：
The short anchor cable of multiple top plates extended along gate road width direction is connected by reinforcing connect band.
It is above-mentioned based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force, it is characterised in that：
The reinforcement connect band is W steel band of model.
It is above-mentioned based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force, it is characterised in that：
Top plate absorption cell is provided in the top plate spill channel steel, one end of the short anchor cable of top plate sequentially passes through top plate pallet, top plate
Absorption cell, top plate spill channel steel and reinforce connect band and stretch into top plate, the top plate pallet far from the top plate absorption cell one
Side is provided with the short Anchor Cable Anchorage of top plate for applying pretightning force to the short anchor cable of the top plate.
It is above-mentioned based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force, it is characterised in that：
The top plate absorption cell is back of the body wood.
It is above-mentioned based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force, it is characterised in that：
Side side absorption cell is provided in the spill channel steel of the side side, one end of the side short anchor cable in side sequentially passes through side side pallet, side side
Absorption cell and side side spill channel steel simultaneously stretch into side side, and side of the side side pallet far from the side side absorption cell, which is provided with, to be used for
Apply the short Anchor Cable Anchorage in side side of pretightning force to the short anchor cable in the side side.
It is above-mentioned based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force, it is characterised in that：
The side side absorption cell is back of the body wood.
It is above-mentioned based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force, it is characterised in that：
The base angle of the gate road is provided with the pipe seam anchor bar for tilting down laying, and cement mortar is marked in the pipe seam anchor bar.
It is above-mentioned based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force, it is characterised in that：
The length of the short anchor cable of top plate and the side short anchor cable in side is 3m~5m.
It is above-mentioned based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force, it is characterised in that：
The drystone ashes for absorbing moisture is covered in the pressure relief groove, the pressure relief groove passes through cover closure；It is opened up on the cover board
The water for being useful for making thereon falls into the osculum in pressure relief groove.
Compared with the prior art, the present invention has the following advantages：
1, the composite support system of the invention is by tunneling boring cable bolting, effectively to inhibit the overall deformation in tunnel, and
And the technological means of release is pressed by allowing, pressure can be effectively laid down, is avoided on the top plate in gate road, side side and bottom plate
Bottom distension phenomenon occurs.
2, the present invention, can be under bump effect by opening up pressure relief groove, and bottom distension caused by bottom plate is to pressure relief groove
Interior movement.
3, the present invention reinforces connect band by setting, can the short anchor cable of top plate be effectively connected as entirety, low impacting
When pressure is given birth to, the short anchor cable of multiple top plates is enabled to carry out effective cooperative transformation, and then reduce the overall deformation in tunnel.
4, the present invention can not only quickly be absorbed harmful in rock mass by the way that top plate absorption cell and side side absorption cell is arranged
Energy accomplishes effective damping energy-absorbing, additionally it is possible to the effective loss for reducing prestressd anchor cable, it in addition can also be in impact load
Under avoid spill channel steel from causing damages pallet.
5, the present invention is top plate absorption cell by using back of the body carpentery workshop, is effectively utilized the good compression strength of back of the body wood and can press
The characteristics of compression deformation energy-absorbing, therefore in bump generating process, back of the body wood can step down release in time, quickly absorb rock mass
In harmful energy, to alleviate the excessive pressure on support system, protection whole system is injury-free or destroys.
6, the present invention uses this short anchor cable, constructs more convenient, and can reach good anchoring effect.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the present invention or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, drawings discussed below is only the one of the present invention
A little embodiments for those skilled in the art without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the plane artwork of roof timbering system of the present invention.
Fig. 3 is the plane artwork of present invention side side support system.
Fig. 4 is the position relationship schematic diagram of top plate absorption cell of the present invention, top plate spill channel steel and top plate pallet.
Fig. 5 is present invention side side absorption cell, side side spill channel steel and the position relationship schematic diagram for helping side pallet.Reference numeral
Explanation:
1-gate road；1-1-top plate；1-2-side side；
1-3-bottom plate；2-pipe seam anchor bars；3-side short the anchor cables in side；
4-side side pressure relief vents；5-side side spill channel steels；6-top plate spill channel steels；
The short anchor cable of 7-top plates；8-top plate pressure relief holes；9-reinforce connect band；
10-cover boards；101-osculums；11-pressure relief grooves；
12-drystone ashes；13-top plate pallets；The short Anchor Cable Anchorage of 14-top plates；
15-top plate absorption cells；16-side side absorption cells；17-side short the Anchor Cable Anchorages in side；
18-side side pallets.
Specific implementation mode
Below in conjunction with the attached drawing in the present invention, the technical solution in the present invention is clearly and completely described, is shown
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, all other embodiment that those of ordinary skill in the art are obtained without creative efforts all belongs to
In the scope of protection of the invention.
As shown in Figure 1, Figure 2 and Figure 3 is a kind of based on the bump coal mine rectangle crossheading composite support for unloading strong branch theory by force
Watch box system, the composite support system are theoretical based on strong branch is unloaded by force comprising are used for the top plate of 1 top plate 1-1 of supporting gate road
Support system and side side support system for side of 1 liang of supporting gate road side side 1-2, and it is opened in 1 bottom plate of gate road
Pressure relief groove 11 on 1-3；The roof timbering system includes for stretching into the short anchor cable 7 of multiple top plates of top plate 1-1, along crossheading lane
The short anchor cable of two neighboring top plate that road 1 length direction extends 7 is connected by top plate spill channel steel 6, is opened up on the top plate 1-1
There is top plate pressure relief hole 8；The side side support system includes multiple short anchors in side side for stretching into 1 liang of side of side side 1-2 of gate road
Rope 3, the short anchor cable in two neighboring side side 3 laid along side side 1-2 short transverses are described suitable by helping side spill channel steel 5 to be connected
Side side pressure relief vent 4 is offered on side of the side side 1-2 of 1 liang of slot tunnel.
In the present embodiment, the composite support system by roof timbering system for 1 top plate 1-1 of supporting gate road and
Side side support system for 1 liang of side of side side 1-2 of supporting gate road constitutes tunneling boring cable bolting, this tunneling boring anchor cable branch
Shield can effectively inhibit the overall deformation in tunnel, and by the way that top plate pressure relief hole 8 and side side pressure relief vent 4 and crossheading lane is arranged
Offer pressure relief groove 11 on the bottom plate 1-3 in road 1, can effectively lay down pressure, avoid gate road 1 top plate 1-1, side side
Bottom distension phenomenon occurs on 1-2 and bottom plate 1-3, and by opening up pressure relief groove 11, can be under bump effect, bottom plate 1-3
Generated bottom distension is moved into pressure relief groove 11.
In the present embodiment, which for principle, can effectively inhibit the whole of tunnel to become with " unloading strong branch by force "
Shape can reduce the injury to personnel and equipment when bump occurs, while effectively inhibit the bottom distension in tunnel.
As shown in Figure 1, connected by reinforcing connect band 9 along the short anchor cable 7 of multiple top plates that 1 width direction of gate road extends
It connects.
In the present embodiment, connect band 9 is reinforced by setting, can the short anchor cable of top plate 7 be effectively connected as entirety, rushed
When hitting low pressure and occurring, the short anchor cable of multiple top plates 7 is enabled to carry out effective cooperative transformation, and then reduce the whole of tunnel and become
Shape.
In the present embodiment, the reinforcement connect band 9 is W steel band of model.Using W steel band of model as reinforcement connect band 9.
As shown in figure 4, be provided with top plate absorption cell 15 in the top plate spill channel steel 6, one end of the short anchor cable of the top plate 7
It sequentially passes through top plate pallet 13, top plate absorption cell 15, top plate spill channel steel 6 and reinforces connect band 9 and stretch into top plate 1-1, it is described
Side of the top plate pallet 13 far from the top plate absorption cell 15 is provided with the top for applying pretightning force to the short anchor cable 7 of the top plate
The short Anchor Cable Anchorage of plate 14.
In the present embodiment, by the setting top plate absorption cell 15 in top plate spill channel steel 6, the suction of top plate absorption cell 15 is utilized
Can feature, therefore in bump generating process, top plate absorption cell 15 can step down release in time, quickly absorb in rock mass
Harmful energy, to alleviate the excessive pressure on support system, protection whole system is injury-free or destroys.And due to passing
In the anchor cable beam of system, the real contact area very little of top plate pallet 13 and top plate spill channel steel 6, this combination causes to pre-tighten
The transmission effects of power is relatively low, and under irregular Impact Load, loss of prestress is apparent.On the other hand, top plate is recessed
A big gap can be formed in shape channel steel 6 and top plate pallet 13, top plate 1-1 holds very much come two legs of top plate spill channel steel 6 when pressing
Easily top plate pallet 13 is caused to damage.It follows that by the way that top plate absorption cell 15 is arranged, can not only quickly absorb in rock mass
Harmful energy, additionally it is possible to it is effective to reduce the short 7 prestressed loss of anchor cable of top plate, in addition can also be avoided under impact load
Top plate spill channel steel 6 causes damages to top plate pallet 13.
In the present embodiment, the top plate absorption cell 15 is back of the body wood.Since the back of the body is wooden with good compression strength and compressible
The characteristics of deforming energy-absorbing, therefore in bump generating process, back of the body wood can step down release in time, quickly absorb in rock mass
Harmful energy, to alleviate the excessive pressure on support system, protection whole system is injury-free or destroys.
As shown in figure 5, side side absorption cell 16 is provided in side side spill channel steel 5, one end of the side short anchor cable in side 3
It sequentially passes through side side pallet 18, side side absorption cell 16 and side side spill channel steel 5 and stretches into side side 1-2, the side side pallet 18 is remote
Side from the side side absorption cell 16 is provided with the short Anchor Cable Anchorage in side side for applying pretightning force to the short anchor cable 3 in the side side
17。
Top plate absorption cell 15 is set similarly in top plate spill channel steel 6, in the present embodiment, by side side spill channel steel
It is provided with side side absorption cell 16 in 5, can not only quickly absorb harmful energy in rock mass, additionally it is possible to is effective to reduce side side
In addition the 3 prestressed loss of short anchor cable can also avoid side side spill channel steel 5 from causing to damage to side side pallet 18 under impact load
It loses.
In the present embodiment, the side side absorption cell 16 is back of the body wood.It is also with the good compression strength of back of the body wood and can
The characteristics of compressive deformation energy-absorbing, therefore in bump generating process, back of the body wood can step down release in time, quickly absorb rock
Harmful energy in body, to alleviate the excessive pressure on support system, protection whole system is injury-free or destroys.
In the present embodiment, not only it is made up of roof timbering system and side side support system the composite support system complete
Section cable bolting, to play the purpose of strong supporting, and by top plate pressure relief hole 8 and side side pressure relief vent 4 and it is set by
Top plate absorption cell 15 helps side absorption cell 16 to carry out effective damping energy-absorbing made of back of the body wood, to reach it is effective " unload by force strong branch,
The purpose of damping energy-absorbing " realizes effective combination of strong supporting and damping energy-absorbing, and then effectively inhibits the overall deformation in tunnel, energy
When bump occurs, the injury to personnel and equipment is reduced, while effectively inhibiting the bottom distension in tunnel.
As shown in Figure 1, the base angle of the gate road 1 is provided with the pipe seam anchor bar 2 for tilting down laying, the pipe seam anchor
It is marked with cement mortar in bar 2.The pipe seam anchor bar 2 of laying is tilted down by setting, the level that can effectively reduce bottom plate 1-3 is answered
Power, and by bottom hole explosion emission levels stress, increasing wall-rock crack, and then strengthen the slip casting effect of cement mortar.
In the present embodiment, the length of the short anchor cable of the short anchor cable 7 of the top plate and the side side 3 is 3m~5m.Using this
Short anchor cable constructs more convenient, and can reach good anchoring effect.
As shown in Figure 1, being covered with the drystone ashes 12 for absorbing moisture in the pressure relief groove 11, the pressure relief groove 11 passes through
Cover board 10 is closed, and the osculum 101 that the water for making thereon is fallen into pressure relief groove 11 is offered on the cover board 10.
In the present embodiment, by uniformly spreading the drystone ashes 12 of one layer of 100mm thickness in pressure relief groove 11 and being compacted, such energy
The moisture in 11 slot bottom of pressure relief groove and air is set to completely cut off, to keep the drying of pressure relief groove 11, and by cover board 10 by pressure relief groove 11
Closing, to facilitate going together for people and equipment, in addition, by opening up osculum 101 on cover board 10, and then cover board 10 can be made
On moisture fall into pressure relief groove 11, it is ensured that the drying of cover board 10.
In the present embodiment, which specifically follows the steps below in construction：
First, tunneling boring cable bolting is carried out.Every two anchor cables are connected using a spill channel steel, i.e.,：Two top plates are short
Anchor cable 7 is connected by top plate spill channel steel 6, and two side short anchor cables in sides 3 are by helping side spill channel steel 5 to be connected, wherein top plate
Short anchor cable 7 passes through W shaped steel band connections, wherein is put into back of the body wood in top plate spill channel steel 6 and side side spill channel steel 5, carries on the back the lower peace of wood
High strength pallet is set, pretightning force is fixed by anchorage and applied to last short anchor cable, and pretightning force is not less than 200Kn.
Then, in the sides of top plate 1-1 and two, side 1-2 beats pressure relief vent.It is bored and is punched using φ 42, hole depth is not less than 3500mm.
Next, tunnel base angle both sides carry out locking angle anchor bolt construction.Specific construction sequence be：Punching, bottom hole explosion, installation
Pipe seam anchor bar 2 and slip casting.Wherein, the first step is punching, is bored and is punched using φ 42, hole depth is not less than 3500mm.Second step is hole
Bottom explosion, each hole carry out bottom hole explosion with a roll of mining emulsion.Third step is installation pipe seam anchor bar 2 and slip casting, will be managed
Seam anchor pole 2 is installed in the hole after explosion, and grouting pump is used in combination to carry out slip casting, and the ratio of mud of cement mortar, which is controlled 0.5-0.7, is
Preferably.
Finally, then the bottom plate 1-3 of gate road 1 starts discharging indent 11.Pressure relief groove 11 is excavated, mode of grooving is using pneumatic pick
The method loosen, manually slagged tap.Such as occurs ponding in work progress, it is necessary to water be discharged immediately, moist quarrel stone is removed.It unloads
After the completion of indent 11, uniformly spreads one layer of 100mm drystones ashes 12 and be compacted, cover board 10, cover board are finally covered on pressure relief groove 11
Osculum 101 should be beaten on 10 in order to drain.
The above is only presently preferred embodiments of the present invention, is not imposed any restrictions to the present invention, every according to the present invention
Technical spirit still falls within skill of the present invention to any simple modification, change and equivalent structure transformation made by above example
In the protection domain of art scheme.
Claims (10)
1. based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force, it is characterised in that：Including being used for
The roof timbering system of supporting gate road (1) top plate (1-1) and the side that side (1-2) is helped for supporting gate road (1) two
Side support system, and the pressure relief groove (11) that is opened on gate road (1) bottom plate (1-3)；The roof timbering system includes
The short anchor cable of multiple top plates (7) for stretching into top plate (1-1), the two neighboring top plate extended along gate road (1) length direction
Short anchor cable (7) is connected by top plate spill channel steel (6), and top plate pressure relief hole (8) is offered on the top plate (1-1)；The side
Side support system includes multiple short anchor cables in side side (3) that side (1-2) is helped for stretching into gate road (1) two, along side side (1-2)
The two neighboring short anchor cable in side side (3) that short transverse is laid is by helping side spill channel steel (5) to be connected, the gate road (1)
Side side pressure relief vent (4) is offered in two sides side (1-2).
2. it is according to claim 1 based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force,
It is characterized in that：The short anchor cable of multiple top plates (7) extended along gate road (1) width direction is connected by reinforcing connect band (9)
It connects.
3. it is according to claim 2 based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force,
It is characterized in that：The reinforcement connect band (9) is W steel band of model.
4. it is according to claim 2 based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force,
It is characterized in that：It is provided with top plate absorption cell (15), one end of the short anchor cable of top plate (7) in the top plate spill channel steel (6)
It sequentially passes through top plate pallet (13), top plate absorption cell (15), top plate spill channel steel (6) and reinforces connect band (9) and stretch into top plate
(1-1), side of the top plate pallet (13) far from the top plate absorption cell (15) are provided with for the short anchor cable of the top plate
(7) apply the short Anchor Cable Anchorage of top plate (14) of pretightning force.
5. it is according to claim 4 based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force,
It is characterized in that：The top plate absorption cell (15) is back of the body wood.
6. it is according to claim 1 based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force,
It is characterized in that：Side side absorption cell (16), one end of the side short anchor cable in side (3) are provided in the side side spill channel steel (5)
It sequentially passes through side side pallet (18), side side absorption cell (16) and side side spill channel steel (5) and stretches into side side (1-2), the side side
Side of the pallet (18) far from the side side absorption cell (16) is provided with for applying pretightning force to the side short anchor cable in side (3)
Help the short Anchor Cable Anchorage in side (17).
7. it is according to claim 6 based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force,
It is characterized in that：The side side absorption cell (16) is back of the body wood.
8. it is according to claim 1 based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force,
It is characterized in that：The base angle of the gate road (1) is provided with the pipe seam anchor bar (2) for tilting down laying, the pipe seam anchor bar
(2) cement mortar is marked in.
9. it is according to claim 1 based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force,
It is characterized in that：The length of the short anchor cable of top plate (7) and the side short anchor cable in side (3) is 3m~5m.
10. it is according to claim 1 based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force,
It is characterized in that：The drystone ashes (12) for absorbing moisture is covered in the pressure relief groove (11), the pressure relief groove (11) passes through
Cover board (10) is closed；The osculum (101) that the water for making thereon is fallen into pressure relief groove (11) is offered on the cover board (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810429690.0A CN108397218A (en) | 2018-05-08 | 2018-05-08 | Based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810429690.0A CN108397218A (en) | 2018-05-08 | 2018-05-08 | Based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force |
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| CN201810429690.0A Pending CN108397218A (en) | 2018-05-08 | 2018-05-08 | Based on the bump coal mine rectangle crossheading composite support system for unloading strong branch theory by force |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184737A (en) * | 2018-09-30 | 2019-01-11 | 山东建筑大学 | The tunnel prestressing force constraint of pressure energy-absorbing can be allowed to fill liner supporting system and technique |
| CN109268017A (en) * | 2018-09-14 | 2019-01-25 | 中国矿业大学 | A method of control high stress breaking surrounding rock main entry pucking |
| CN109268047A (en) * | 2018-11-01 | 2019-01-25 | 天地科技股份有限公司 | Laminated structure and method are unloaded in a kind of supporting in bump tunnel |
| CN111608707A (en) * | 2020-04-29 | 2020-09-01 | 临沂矿业集团菏泽煤电有限公司 | Rock burst dangerous roadway support method based on double-cylinder protection theory |
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| CN112127909A (en) * | 2020-09-08 | 2020-12-25 | 河海大学 | Accurate grouting repairing and reinforcing method for broken surrounding rock of tunnel |
| CN116838317A (en) * | 2023-06-30 | 2023-10-03 | 陕煤集团神木张家峁矿业有限公司 | Three-dimensional dynamic loading device for simulating underground rock burst and rock burst prediction method |
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| CN109268017A (en) * | 2018-09-14 | 2019-01-25 | 中国矿业大学 | A method of control high stress breaking surrounding rock main entry pucking |
| CN109184737A (en) * | 2018-09-30 | 2019-01-11 | 山东建筑大学 | The tunnel prestressing force constraint of pressure energy-absorbing can be allowed to fill liner supporting system and technique |
| CN109184737B (en) * | 2018-09-30 | 2023-11-03 | 山东建筑大学 | Tunnel prestress constraint filling lining support system capable of yielding and absorbing energy and process |
| CN109268047A (en) * | 2018-11-01 | 2019-01-25 | 天地科技股份有限公司 | Laminated structure and method are unloaded in a kind of supporting in bump tunnel |
| CN111608707A (en) * | 2020-04-29 | 2020-09-01 | 临沂矿业集团菏泽煤电有限公司 | Rock burst dangerous roadway support method based on double-cylinder protection theory |
| CN111608663A (en) * | 2020-04-29 | 2020-09-01 | 临沂矿业集团菏泽煤电有限公司 | Omnibearing pressure relief method for rock burst dangerous roadway of thick coal seam working face |
| CN112127909A (en) * | 2020-09-08 | 2020-12-25 | 河海大学 | Accurate grouting repairing and reinforcing method for broken surrounding rock of tunnel |
| CN116838317A (en) * | 2023-06-30 | 2023-10-03 | 陕煤集团神木张家峁矿业有限公司 | Three-dimensional dynamic loading device for simulating underground rock burst and rock burst prediction method |
| CN116838317B (en) * | 2023-06-30 | 2024-05-07 | 陕煤集团神木张家峁矿业有限公司 | Three-dimensional dynamic loading device for simulating underground rock burst and rock burst prediction method |
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