CN106089273A - A kind of rupture the multiple spot of roadway support by pressure grouting anchor pole for deep subregion - Google Patents
A kind of rupture the multiple spot of roadway support by pressure grouting anchor pole for deep subregion Download PDFInfo
- Publication number
- CN106089273A CN106089273A CN201610689590.2A CN201610689590A CN106089273A CN 106089273 A CN106089273 A CN 106089273A CN 201610689590 A CN201610689590 A CN 201610689590A CN 106089273 A CN106089273 A CN 106089273A
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- China
- Prior art keywords
- pressure grouting
- allow
- resistance
- constant
- depression bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007569 slipcasting Methods 0.000 claims abstract description 21
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 3
- 230000001681 protective effect Effects 0.000 claims description 18
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000011435 rock Substances 0.000 abstract description 18
- 230000008093 supporting effect Effects 0.000 abstract description 6
- 239000012141 concentrate Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001550 time effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 244000144985 peep Species 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- 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
- E21D20/028—Devices or accesories for injecting a grouting liquid in a bore-hole
-
- 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)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses and a kind of rupture the multiple spot of roadway support by pressure grouting anchor pole for deep subregion.It includes Bower Anchor club shaft, secondary anchor rod body and stern anchor club shaft, allows pressure grouting connector, constant-resistance allow depression bar, scalable defeated slurry flexible pipe and slip casting indicator；Described Bower Anchor club shaft one end is fastenedly connected with installation roof bolt plate, pallet and clamp nut successively, the other end of Bower Anchor club shaft, allow pressure grouting connector, constant-resistance allow depression bar, allow pressure grouting connector, secondary anchor rod body, allow pressure grouting connector, constant-resistance allow depression bar, allow pressure grouting connector and stern anchor club shaft pass sequentially through to be threadedly connected to one, scalable defeated slurry flexible pipe is used for allowing hydrophthalmia and constant-resistance in pressure grouting connector allow hydrophthalmia in depression bar connect.The present invention can have to deep tunnel that the country rock of subregion fracture phenomena carries out independence, multiple spot constant-resistance allows voltage-controlled system, it is not easy to occurs that stress concentrates the phenomenon breaking anchor pole, subregion ruptures tunnel and has good supporting effect.
Description
Technical field
The present invention relates to a kind of multiple spot by pressure grouting anchor pole, rupture roadway support particularly to a kind of for deep subregion
Multiple spot is by pressure grouting anchor pole.
Background technology
Along with day by day reducing and the gradually expansion of human living space of superficial part resource, many undergrounds in building and planning
Engineering constantly moves towards deep；The underground passage of mining mineral resource, the subterranean tunnel of transport development and water power are opened the most both at home and abroad
The underground chamber etc. sent out all has reached the degree of depth on km.For the underground engineering of deep, colliery, along with adopting deep increase, ground
Stress is increasing, and roadway surrounding rock is in heavily stressed, hyperosmosis, high temperature and by under the mal-condition of mining influence, causes deep
Destruction and the deformation of cavern of portion are the most increasingly severe, and it is existing to occur in that multiple rupture zone and complete section subregion gradually alternately ruptures
As.
How to control to be faced with supporting deep laneway surrounding rock always deep coalmine engineering construction and roadway support design
Problem, anchor pole is widely used in various deep-well tunnel as the maximally effective supporting tool of underground engineering, and practice also demonstrates that it
Control to roadway surrounding rock serves positive effect.But deep subregion rupture event is complicated, and use the widest loosening at present
Circle support theory design is only divided into plastic zone and elastic region two parts surrounding rock failure, if using Supporting Theory of Broken Rock Zone to carry out propping up
Protecting, design of its support and parameter selection can change a lot in practice, it is difficult to reach to safeguard the effect that roadway surrounding rock is stable.
At present, rupturing tunnel for subregion mainly uses the mode of composite support (such as anchor and spray net+slip casting, shotcrete rete cord, anchor
Spray rete cord+U-shaped steel/steel pipe concrete, pressure relief vent+combined supporting etc.).Above composite support mode is both needed to take the side of suspension roof support
Formula, wherein grouted anchor bar is also constantly used, but current anchor pole ruptures at subregion and also has many problems when tunnel uses:
1, for general grouted anchor bar, as this grouted anchor bar of patent CN201520411862.3 can carry out multiple allow press but without
Method carries out subregion allows pressure, is not suitable for subregion and ruptures tunnel；2, country rock subregion ruptures and has stronger time effect, it is desirable to for
The opportunity of slip casting must be got hold of, and too early or the most unfavorable, but current grouted anchor bar is all difficult to accurately obtain country rock
The best period of supporting；3, the scope that deep laneway surrounding rock subregion ruptures is the widest, and general bolt anchorage scope is difficult to reach
To anchoring requirement.4, the slip casting many employings combination of long drives and drop shots Grouting Pipe ruptured now for subregion or hollow segmentation spiral slip casting anchor
Bar, but the boring that combination of long drives and drop shots Grouting Pipe needs is more, and the spiral grouted anchor bar of hollow segmentation cannot be according to site specific
Adjust the position of injected hole.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides and a kind of rupture the multiple spot of roadway support for deep subregion and allow
Pressure grouting anchor pole.
The present invention solves above-mentioned technical problem and the technical scheme is that and a kind of rupture roadway support for deep subregion
Multiple spot, by pressure grouting anchor pole, including Bower Anchor club shaft, secondary anchor rod body and stern anchor club shaft, allows pressure grouting connector, constant-resistance allow
Depression bar, scalable defeated slurry flexible pipe and slip casting indicator；Described Bower Anchor club shaft one end successively with install roof bolt plate, pallet and
Clamp nut is fastenedly connected, the other end of Bower Anchor club shaft, allow pressure grouting connector, constant-resistance allow depression bar, allow pressure grouting connector,
Secondary anchor rod body, allow pressure grouting connector, constant-resistance allow depression bar, allow pressure grouting connector and stern anchor club shaft pass sequentially through screw thread
Being connected in one, scalable defeated slurry flexible pipe is used for allowing hydrophthalmia and constant-resistance in pressure grouting connector allow hydrophthalmia in depression bar connect, and allows pressure
Slip casting connector and constant-resistance allow and are also equipped with displacement transducer in the middle of depression bar, and displacement transducer transfers signals to slip casting by wire
Indicator.
Above-mentioned rupturing the multiple spot of roadway support by pressure grouting anchor pole for deep subregion, the described pressure grouting that allows connects
Part includes annular protective case, hollow pipe, outer snap ring, and described annular protective case is fixed on hollow pipe, and there is a pair pipe seam its one end；Empty
Heart pipe side is the end of thread, is used for being connected with anchor pole end, and there is a pair pipe seam hollow pipe middle part, and pipe seam extends to annular
Inside protective case, just agree with annular protective case pipe seam；Hollow pipe one intrasegmental part is corrugated inner surface, allows depression bar ripple with constant-resistance
Shape surface matches.
Above-mentioned rupturing the multiple spot of roadway support by pressure grouting anchor pole for deep subregion, described constant-resistance allows depression bar two
End all has corrugated outer surface, and middle part is slip casting section, has several injected holes, and described injected hole and described constant-resistance allow pressure
The internal hydrophthalmia of bar communicates, and described hydrophthalmia is injection slurry circulation duct；Described constant-resistance allows depression bar have undulatory two ends respectively
It is placed in two hollow pipes；Described constant-resistance allows depression bar both sides outermost end be smooth cylindrical surface, and smooth cylindrical surface has a pair fastener,
Its width is smaller compared with hollow pipe pipe seam width, the annular protective case that height is slightly below enclosed within hollow pipe higher than hollow pipe outer surface.
Compared with prior art, the beneficial effects of the present invention is:
The country rock 1, can with subregion fracture phenomena carries out independence, multiple spot allows voltage-controlled system, and allows pressure for constant-resistance
Allow pressure, be difficult to as spring etc. allows pressure original paper easily occur that stress is concentrated breaks the phenomenon of anchor pole, well adapted to subregion and ruptured
The feature of roadway deformation；
2, country rock subregion ruptures and has stronger time effect, it is desirable to the opportunity for slip casting must be got hold of, too early or mistake
Evening is the most unfavorable, utilize the anchor pole situation of being stretched that displacement transducer provides can effectively to each rupture subregion carry out in good time
Grouting and reinforcing.
3, the scope that deep laneway surrounding rock subregion ruptures is the widest, utilizes the multistage pair body of rod and allows pressure grouting connector
Combination can freely adjust the length of grouted anchor bar, and easy for installation, is used as in the area of tunnel narrow scope.
4, verifying in the case of subregion ruptures scope, the secondary body of rod of different length can chosen and allow pressure grouting connector
Combination, it is possible to accurately rupture zone is carried out slip casting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 be in the present invention body of rod with allow pressure grouting connector connecting portion profile.
Fig. 3 is the structure chart allowing in the present invention and pressing connector.
Fig. 4 is the A-A profile of Fig. 3 in the present invention.
Fig. 5 is that in the present invention, constant-resistance allows depression bar schematic diagram.
Fig. 6 is the B-B profile of Fig. 5 in invention.
Fig. 7 is that constant-resistance of the present invention allows depression bar and allows the sectional view of pressure grouting connector junction.
Detailed description of the invention
Below in conjunction with the accompanying drawings one embodiment of the present of invention is further described:
Rupture the multiple spot of roadway support by pressure grouting anchor pole as it is shown in figure 1, a kind of for deep subregion, including anchor rod body 1, allow
Pressure grouting connector 2, constant-resistance allow depression bar 3, scalable defeated slurry flexible pipe 4 and slip casting indicator 5.
As shown in Figure 1, 2, anchor rod body 1 includes Bower Anchor club shaft 14, secondary anchor rod body 15 and stern anchor club shaft 16, Bower Anchor
Club shaft 14 one end is used for installing roof bolt plate 13, pallet 12 and clamp nut 11 etc., the other end can with allow pressure grouting be connected
Part 2 is threaded connection；Secondary anchor rod body 15 can have several, two ends all by female thread with allow pressure grouting connector 2 company
Connect；There is female thread stern anchor club shaft 16 only one end and allows pressure grouting connector 2 be connected.
As shown in Figure 3,4, pressure grouting connector 2 is allowed to include annular protective case 21, hollow pipe 26, outer snap ring 22.Wherein wild card
Ring 22 is used for blocking annular protective case 21 and moves the most laterally, and annular protective case 21 is fixed on hollow pipe 26, and its one end has a pair
Pipe seam 23；Hollow pipe 26 side is the end of thread 25, is used for being connected with anchor pole end, and there is a pair pipe seam hollow pipe 26 middle part, pipe
It is internal that seam extends to annular protective case 21, just agrees with annular protective case pipe seam 23；Hollow pipe 26 1 intrasegmental part is corrugated
Inner surface 24, can allow depression bar 3 corrugated surface 33 match with constant-resistance.
As shown in Figure 5,6, constant-resistance allows depression bar 3 two ends all have corrugated outer surface 33, and annular protective case 21 is provided that bigger
Radial pressure, when surrouding rock deformation, hollow pipe 26 and constant-resistance allow depression bar 3 produce Relative sliding and to be gradually increased frictional resistance, phase
Displacement exceedes stress unloading after one or several wave band, and annular protective case 21 resilience also remains certain radial pressure,
So that anchor pole periodically increases frictional resistance to realize allowing pressure effect.Middle part is slip casting section, has several injected holes
32, injected hole 32 allows the internal hydrophthalmia 34 of depression bar 3 communicate with constant-resistance, and wherein hydrophthalmia 34 is injection slurry circulation duct；Constant-resistance allows depression bar 3
It is used for connecting two and allows pressure grouting connector 2, wherein there are undulatory two ends and be respectively sleeved in two hollow pipes 26；Constant-resistance allows depression bar
3 both sides outermost end are smooth cylindrical surface, and smooth cylindrical surface has a pair fastener 31, and its width relatively hollow pipe pipe seam 23 width is slightly
Little, that height is slightly below enclosed within hollow pipe 26 higher than hollow pipe 26 outer surface annular protective case 21.
As it is shown in fig. 7, scalable defeated slurry flexible pipe 4 is used for allowing hydrophthalmia 35 and constant-resistance in pressure grouting connector 2 allow water in depression bar 3
The connection of eye 34, connected mode is screw thread 41(or other modes such as bayonet lock etc.), scalable defeated slurry flexible pipe 4 is folding, can
To allow the outer shifting of depression bar 3 extend along with constant-resistance.Particularly, pressure grouting connector 2 and constant-resistance is being allowed to allow depression bar 3 centre be also equipped with
Displacement transducer 42, displacement transducer 42 is transferred signals in slip casting indicator 5 by wire.
Signal data on displacement transducer 42 can be done relevant conversion by slip casting indicator 5, when allowing pressure grouting connector 2
When being stretched to the length set, corresponding indicator lantern festival flicker, now can judge whether to note according to practical situation
Slurry processes.
The using method of the present invention is as follows:
Using method one:
First get out in roadway surrounding rock and allow the consistent boring of pressure grouting anchor pole external diameter, cleaning boring, then want according to design
Ask to assemble and allow pressure grouting anchor pole, it is sent in boring together with multireel Anchor Agent powder stick, carries out full length fastening, allowing pressure injection
Slurry anchor pole exposed junction installs anchor rod pallet board 12 and backing plate 13, clamp nut 11 of screwing on, and requires to apply pretightning force according to design, will
The wire extraction connecting each displacement transducer 42 is connected in slip casting indicator 5；
Owing to having carried out full length fastening, when country rock part starts to occur subregion failure by rupture, Anchor Agent can rupture therewith, this
Time rupture zone can expand deformation, cause the allow pressure grouting connector 2 nearest from rupture zone be stretched, owing to allowing pressure grouting anchor
Bar is that constant-resistance allows pressure, is possible to prevent roadway surrounding rock generation bump, and when the distance drawn high reaches the value set, constant-resistance allows pressure
The injected hole 32 of bar 3 mid portion can expose, and the lamp of corresponding slip casting indicator 5 also can flash, and now can select to connect
Grouting equipment carries out grouting operation.
Using method two:
First get out in roadway surrounding rock and allow the consistent boring of pressure grouting anchor pole external diameter, cleaning boring, then peep according to scene
The roadway surrounding rock rupture zone surveyed assembles and allows pressure grouting anchor pole being exposed by injected hole 32, is sent into by grouted anchor bar in boring, even
Connect grouting equipment and carry out grouting operation, after injection slurry condenses, allowing pressure grouting anchor pole exposed junction, anchor rod pallet board 12 and pad are installed
Plate 13, clamp nut 11 of screwing on, and require to apply pretightning force according to design, complete the operation of subregion slip casting.
Above instantiation is only a kind of preferably example of the present invention, but not present invention is whole, and all are at this
The equivalents done in the range of spirit, all will be within protection scope of the present invention.
Claims (3)
1. one kind ruptures the multiple spot of roadway support by pressure grouting anchor pole for deep subregion, it is characterised in that: include Bower Anchor bar bar
Body, secondary anchor rod body and stern anchor club shaft, pressure grouting connector, constant-resistance is allowed to allow depression bar, scalable defeated slurry flexible pipe and slip casting instruction
Device；Described Bower Anchor club shaft one end is fastenedly connected with installation roof bolt plate, pallet and clamp nut successively, Bower Anchor club shaft
The other end, allow pressure grouting connector, constant-resistance allow depression bar, allow pressure grouting connector, secondary anchor rod body, allow pressure grouting connector, perseverance
Resistance allow depression bar, allow pressure grouting connector and stern anchor club shaft pass sequentially through be threadedly connected to one, scalable defeated slurry flexible pipe use
In allowing hydrophthalmia and constant-resistance in pressure grouting connector allow hydrophthalmia in depression bar connect, pressure grouting connector and constant-resistance is allowed to allow in the middle of depression bar also
Equipped with displacement transducer, displacement transducer transfers signals to slip casting indicator by wire.
The most according to claim 1 rupturing the multiple spot of roadway support by pressure grouting anchor pole for deep subregion, its feature exists
In: described allow pressure grouting connector include annular protective case, hollow pipe, outer snap ring, described annular protective case are fixed on hollow pipe,
And there is a pair pipe seam its one end；Hollow pipe side is the end of thread, is used for being connected with anchor pole end, and there is a pair pipe hollow pipe middle part
Seam, pipe seam extends to inside annular protective case, just agrees with annular protective case pipe seam；In hollow pipe one intrasegmental part is corrugated
Surface, allows depression bar corrugated surface match with constant-resistance.
The most according to claim 1 rupturing the multiple spot of roadway support by pressure grouting anchor pole for deep subregion, its feature exists
In: described constant-resistance allows depression bar two ends all have corrugated outer surface, and middle part is slip casting section, has several injected holes, institute
State injected hole allows the internal hydrophthalmia of depression bar communicate with described constant-resistance, and described hydrophthalmia is injection slurry circulation duct；Described constant-resistance allows pressure
Bar has undulatory two ends and is respectively sleeved in two hollow pipes；Described constant-resistance allows depression bar both sides outermost end be smooth cylindrical surface,
Smooth cylindrical surface has a pair fastener, and its width is smaller compared with hollow pipe pipe seam width, and height is higher than hollow pipe outer surface slightly below
The annular protective case being enclosed within hollow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610689590.2A CN106089273B (en) | 2016-08-19 | 2016-08-19 | A kind of multiple spot for the rupture roadway support of deep subregion is by pressure grouting anchor pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610689590.2A CN106089273B (en) | 2016-08-19 | 2016-08-19 | A kind of multiple spot for the rupture roadway support of deep subregion is by pressure grouting anchor pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106089273A true CN106089273A (en) | 2016-11-09 |
| CN106089273B CN106089273B (en) | 2018-10-30 |
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| CN201610689590.2A Active CN106089273B (en) | 2016-08-19 | 2016-08-19 | A kind of multiple spot for the rupture roadway support of deep subregion is by pressure grouting anchor pole |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740702A (en) * | 2017-11-14 | 2018-02-27 | 缪协兴 | A kind of pressure-release anchor cable |
| CN108425696A (en) * | 2018-04-27 | 2018-08-21 | 中铁第四勘察设计院集团有限公司 | A kind of pressure-relieving achor bar and its method for protecting support locally waxed |
| CN109083667A (en) * | 2018-07-27 | 2018-12-25 | 南京灵雀智能制造有限公司 | A kind of composite hollow anchor structure |
| CN110593929A (en) * | 2019-10-28 | 2019-12-20 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Secondary multi-section anchoring anchor cable and use method thereof |
| CN110847966A (en) * | 2019-10-08 | 2020-02-28 | 中铁隧道局集团建设有限公司 | Lower support-free adjustable suspended formwork construction method |
| CN112627871A (en) * | 2020-12-24 | 2021-04-09 | 上海应用技术大学 | Telescopic automatic pressure relief type anchor rod |
| CN114000896A (en) * | 2021-10-12 | 2022-02-01 | 中煤科工开采研究院有限公司 | Deep zonal fracture surrounding rock composite grouting reinforcement method |
| CN115387336A (en) * | 2022-09-19 | 2022-11-25 | 陕西建工基础建设集团有限公司 | Bag type grouting body-expanding rotary spraying anchor cable and construction method thereof |
| CN117386423A (en) * | 2023-11-08 | 2024-01-12 | 山东焱鑫矿用材料加工有限公司 | Full-length cementation anchor cable with sizing hierarchical control structure and use method |
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| CN205876365U (en) * | 2016-08-19 | 2017-01-11 | 湖南科技大学 | A multiple spot lets presses slip casting stock for deep subregion roadway support that breaks |
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| CN103643977A (en) * | 2013-11-21 | 2014-03-19 | 中国矿业大学 | Full-anchor partition pressure transferring grouting anchor rod and application method thereof |
| CN104391088A (en) * | 2014-12-08 | 2015-03-04 | 湖南科技大学 | Anchoring quality detection method and device for system anchor bar support roadway |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740702A (en) * | 2017-11-14 | 2018-02-27 | 缪协兴 | A kind of pressure-release anchor cable |
| CN108425696A (en) * | 2018-04-27 | 2018-08-21 | 中铁第四勘察设计院集团有限公司 | A kind of pressure-relieving achor bar and its method for protecting support locally waxed |
| CN110173288B (en) * | 2018-07-27 | 2020-04-21 | 南京灵雀智能制造有限公司 | Bending deformation resistant composite hollow anchor rod structure |
| CN110173288A (en) * | 2018-07-27 | 2019-08-27 | 南京灵雀智能制造有限公司 | A kind of composite hollow anchor structure of counter-bending deformation |
| CN109083667A (en) * | 2018-07-27 | 2018-12-25 | 南京灵雀智能制造有限公司 | A kind of composite hollow anchor structure |
| CN110847966A (en) * | 2019-10-08 | 2020-02-28 | 中铁隧道局集团建设有限公司 | Lower support-free adjustable suspended formwork construction method |
| CN110593929A (en) * | 2019-10-28 | 2019-12-20 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Secondary multi-section anchoring anchor cable and use method thereof |
| CN112627871A (en) * | 2020-12-24 | 2021-04-09 | 上海应用技术大学 | Telescopic automatic pressure relief type anchor rod |
| CN114000896A (en) * | 2021-10-12 | 2022-02-01 | 中煤科工开采研究院有限公司 | Deep zonal fracture surrounding rock composite grouting reinforcement method |
| CN114000896B (en) * | 2021-10-12 | 2024-05-07 | 中煤科工开采研究院有限公司 | Composite grouting reinforcement method for deep-section fracture surrounding rock |
| CN115387336A (en) * | 2022-09-19 | 2022-11-25 | 陕西建工基础建设集团有限公司 | Bag type grouting body-expanding rotary spraying anchor cable and construction method thereof |
| CN115387336B (en) * | 2022-09-19 | 2024-03-26 | 陕西建工基础建设集团有限公司 | Bag type grouting expansion rotary spraying anchor cable and construction method thereof |
| CN117386423A (en) * | 2023-11-08 | 2024-01-12 | 山东焱鑫矿用材料加工有限公司 | Full-length cementation anchor cable with sizing hierarchical control structure and use method |
| CN117386423B (en) * | 2023-11-08 | 2024-05-10 | 烟台佑利技术有限公司 | Full-length cementation anchor cable with sizing hierarchical control structure and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106089273B (en) | 2018-10-30 |
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Effective date of registration: 20230710 Address after: Fifth floor at the intersection of Fuxing Street and Fuxing Third Road, New District, Fugu County, Yulin City, Shaanxi Province, 719000 Patentee after: Shaanxi Longxiang Science and Technology Innovation Energy Conservation and Environmental Protection Technology Co.,Ltd. Address before: 411201 No. 2 stone wharf, Yuhu District, Hunan, Xiangtan Patentee before: HUNAN University OF SCIENCE AND TECHNOLOGY |