CN107120129A - A kind of band tartar strengthens anchoring anchor cable and its application method - Google Patents
A kind of band tartar strengthens anchoring anchor cable and its application method Download PDFInfo
- Publication number
- CN107120129A CN107120129A CN201710377896.9A CN201710377896A CN107120129A CN 107120129 A CN107120129 A CN 107120129A CN 201710377896 A CN201710377896 A CN 201710377896A CN 107120129 A CN107120129 A CN 107120129A
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- China
- Prior art keywords
- anchor cable
- tartar
- anchor
- anchoring
- cable
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 208000006558 Dental Calculus Diseases 0.000 title claims abstract description 62
- 238000004873 anchoring Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims abstract description 3
- 238000005553 drilling Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 238000003491 array Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005755 formation reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 18
- 239000011435 rock Substances 0.000 abstract description 18
- 239000003245 coal Substances 0.000 abstract description 16
- 239000011347 resin Substances 0.000 abstract description 9
- 229920005989 resin Polymers 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000004888 barrier function Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 229910052742 iron Inorganic materials 0.000 description 8
- 238000000518 rheometry Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 241000167854 Bourreria succulenta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000019693 cherries Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor 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
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0093—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (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
Strengthen anchoring anchor cable and its application method the invention discloses a kind of band tartar, including anchor cable and tartar's device, anchor cable is steel strand wires, tartar's device is made up of an one metal wire, it is fastened on anchor cable, and two terminations of the wire hook together the exposed tartar for twisting into a twisted shape, the exposed tartar of the twisted shape and the axis structure of anchor cable are in an angle.The present invention had both increased the diameter of anchor cable, and resin anchoring agent is easily hooked and scratched to the tartar of setting again.The present invention is simple in construction, easily obtained using safety, material, with low cost.Installation rate is fast in site operation, effect is good；Labor intensity is low.The anchoring property of anchor cable can be improved in soft broken coal (rock) body, and can solve to become coal (rock) body stream line mistake anchor rate height in high current, it is difficult to the technical barrier of anchoring.
Description
Technical field
Add the present invention relates to the Geotechnical Engineering supportings such as traffic, water conservancy and hydropower, bridge tunnel, underground chamber, city foundation ditch or reinforcement
Admittedly strengthen anchoring anchor cable with anchor cable, especially a kind of band tartar suitable for cherry coal (rock) body mining.
Background technology
China is introduced after anchor cable reinforcement technique from 1960s, and this technology obtains significant progress.Particularly
Succeed in developing within 1996 after the resin anchoring prestress anchorage cable of small-bore, anchor cable is widely applied in coal road, significantly
Bolting with wire mesh application is expanded, the security reliability in tunnel is improved, the Main Means as complicated roadway reinforcing.
But at the scene in construction and application process, there is the following aspects in existing anchor cable：1. current colliery makes
Small aperture anchor cable body is mainly the steel strand wires of 1 × 7 structure, and nominal diameter is φ 17.8mm or φ 21.6mm.Loose
Coal (rock) body, according to wet operation, due to actual formed bore diameter ratio can be caused under the vibrations and current scour of drilling rod
The bore diameter of design is big, so as to cause bore diameter, anchor cable diameter and resin explosive roll diameter " three footpaths " to mismatch, adds
Anchor Agent is deformed sometimes in itself.When therefore being anchored, anchor cable stirring is insufficient less than Anchor Agent or Anchor Agent stirring,
So as to easily cause the anchoring effect difference of anchor cable or the situation for losing anchor occur；2. for coal (rock) body of loose crushing, common anchor cable
Anchoring effect cannot be ensured.And once anchorage cable anchoring fails, top coal (rock) layer will be caused to be difficult to form composite bearing body knot
Structure, causes soft high current to become coal (rock) body and produces large deformation under high-ground stress effect, it is impossible to play suppression deformation of the surrounding rock in tunnel
With destruction, it is ensured that the effect of roof stability, construction safety and construction speed are had a strong impact on.Therefore, the anchoring effect of anchor cable is improved
Really, prestressd anchor cable is improved for playing the bearing capacity of anchor cable, effectively controlling deformation of the surrounding rock in tunnel extremely important, is avoided simultaneously
Newly repair the secondary expansion in tunnel and repair and repeat supporting, advantageously reduce roadway support cost.
The content of the invention
To solve caused by being mismatched due to " three footpaths ", anchor cable stirring is uneven less than Anchor Agent or Anchor Agent stirring in drilling
Even, resin explosive roll is not ruptured, and Anchor Agent is not extruded and is sufficiently stirred for, it is impossible to be completely filled with the drilling of interior anchoring head region,
Anchor Agent coheres leakiness with anchor cable and hole wall, and anchor cable valid bonding length is short, the problems such as anchoring effect is poor, quality is unreliable,
Strengthen anchoring anchor cable and its application method the invention provides a kind of band tartar.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of band tartar strengthens anchoring anchor cable, including anchor cable and tartar's device, and anchor cable is steel strand wires, tartar's dress
Put and be made up of an one metal wire, is fastened on anchor cable, and two terminations of the wire hook together and twist into a fried dough twist
The exposed tartar of shape, the exposed tartar of the twisted shape and the axis structure of anchor cable are in an angle.
One end of the wire is passed through inside the multiply steel strand wires of anchor cable, is fixed on anchor cable, the other end
Winding is arranged on anchor cable, and is wound in multiturn, and in a row per circle close-packed arrays, two terminations hook together the twisted shape twisted into
Exposed tartar towards anchored end in anchor cable.
The wire winds 8~15 circles, and length is 25~50mm.
The protruded length of the exposed tartar is 5~10mm.
The axis angle of the exposed tartar and anchor cable is 30 °.
The length of root anchored end in anchor cable of the exposed tartar is 100~200mm.
A kind of band tartar strengthens the application method of anchoring anchor cable, and its step is：
After anchor cable drilling via formations, install before anchor cable, Anchor Agent powder stick is first delivered into foot of hole, then by anchor cable rope
In body push-in anchor cable drilling, after Anchor Agent is slowly pushed into eyeground by anchor cable, anchor cable rig is connected with anchor cable, opened
Dynamic anchor cable rig, is advanced into bottom hole by anchor cable while stirring, in whipping process, strengthens the tartar of anchoring anchor cable with tartar
The exposed tartar of device is rotated at a high speed, and Anchor Agent powder stick is hooked and scratched, so that Anchor Agent stirs more abundant, full of whole
Individual drilling region；After Anchor Agent solidification, anchor cable pallet, pad and anchorage are installed successively, anchor cable pretension work is carried out.
Beneficial effect：The notable technique effect of the present invention is embodied in following several respects：
1st, band tartar's New Anchor Cable is processed by the mining small-bore resin anchoring prestress anchorage cable of standard and with 8~13# iron wires
Tartar's device composition, it is simple in construction, it is easy to process；
2nd, the making to strengthening anchoring New Anchor Cable with tartar can be completed using existing equipment.It will be processed using vise
Good 8~13# iron wires are fixed on anchor cable, are made after tartar's device as shown in Figure 1, are bored using existing anchor cable
Machine and Anchor Agent can complete the installation of New Anchor Cable.Anchor cable construction process is simple, and labor intensity is low；Construction material is easy to get, valency
Lattice are cheap；
3rd, because early stage wet drilling hydraulic flushing in hole expands bore diameter, common anchor cable presence can not stir brokenly powder stick, anchor
Gu agent stirring is insufficient, anchoring effect is caused to ensure.Hooking together for New Anchor Cable tartar's device is in anchor cable rig
Lower rotation at a high speed is driven, as a sharp knife, powder stick can be easily scratched, and Anchor Agent is smoothly extruded, stirring is equal
It is even, reach the effect fully anchored；
4th, compared with common anchor cable, band tartar, which strengthens anchoring New Anchor Cable, can more uniformly stir Anchor Agent, make anchor
Gu agent more densely full of drilling region, improves the bond stress of anchoring body and drilling country rock.Particularly with soft broken coal
(rock) body, lifting amplitude is larger, can give full play to the anchorage effect of anchor cable, reduces roadway support cost.
Brief description of the drawings
Fig. 1 is that the band tartar of the present invention strengthens the structural representation of anchoring anchor cable；
Fig. 2 is Fig. 1 A-A to sectional drawing；
The band tartar that Fig. 3 is the present invention strengthens anchoring anchor cable scheme of installation；
In figure：1- anchor cables, 2- tartar's devices, the exposed tartars of 201-, 3- drillings, 4- Anchor Agents, 5- anchorages, 6- pads
Piece, 7- anchor cable pallets.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Strengthen anchoring anchor cable, including anchor cable 1 and tartar's device 2, anchor as shown in Figure 1 for a kind of band tartar of the present invention
Rustling sound body 1 is the steel strand wires of 1 × 7 structure, and tartar's device 2 is made up of an iron wire, and one end of iron wire passes through the one of anchor cable 1
The steel strand wires of stock outer ring, are clipped between the steel strand wires of the outer ring and the middle cored wire of steel strand wires, are fixed on anchor cable 1, another
End winding is arranged in 1 on anchor cable, and is wound in 8~15 circles, L in a row per circle close-packed arrays2Generally 25~50mm；
Two terminations hook together the exposed tartar 201 of the twisted shape twisted into towards anchored end in anchor cable, and the protruded length of exposed tartar 201 is
5~10mm, exposed tartar 201 and the axis angle of anchor cable 1 are 30 °, and the root of exposed tartar 201 is apart from anchor cable
The length L of interior anchored end1For 100~200mm or so.In the present invention, the mining standard aperture footpath resin anchor that anchor cable 1 is used
Gu the steel strand wires cable body of the structure of prestress anchorage cable 1 × 7, its nominal diameter D1For φ 17.8mm or φ 21.6mm；The diameter of iron wire
For D3, the additional cable body overall diameter D wound at iron wire2About 24~28mm of φ.
Tartar's device is processed using 8~13# iron wires in the present invention, one end passes through one steel strand wires on anchor cable, quilt
Tightly it is squeezed between steel strand wires and middle cored wire, the benefit so done can make anchor cable during installation, will not be because of thorn
Skid and slid along anchor cable to anchor cable outer end between head device and anchor cable, so as to reach the effect for strengthening anchoring, improve anchor
The anchorage effect of rope.The diameter of anchor cable was so both increased, resin anchoring agent is easily hooked and scratched to the tartar of setting again.
In soft broken coal (rock) body, anchor cable Completion of Drilling Hole effect is undesirable, particularly in rheology coal (rock) body, using wet operation
When, actual formed bore diameter can be caused bigger than the bore diameter of design under current scour, when causing the anchor cable to install, anchor cable
Anchorage effect reduction of the stirring less than resin anchoring agent, or anchor cable.This technical barrier is exactly directed to, this patent is developed.This
Inventive structure is simple, easily obtained using safety, material, with low cost.Installation rate is fast in site operation, effect is good；Work is strong
Degree is low.The anchoring property of anchor cable can be improved in soft broken coal (rock) body, and can solve to become anchor in coal (rock) body in high current
It is high that rope loses anchor rate, it is difficult to the technical barrier of anchoring.Bar is created in smooth anchoring during to ensure that anchor cable is installed in rheology coal (rock) body
Part, moreover it is possible to make Anchor Agent stir and be completely filled with foot of hole anchorage zone；The timely active support of anchor cable can be played
Effect, can improve anchor force of the anchor cable in rheology coal (rock) body, prevent failure of cable again.So as to reduce roadway support cost,
The supporting performance of cable bolting material is played to greatest extent, and preferable technology is provided for effectively control rheology coal (rock) body deformation
Ensure.
As shown in figure 3, the application method of the present invention is：
After the shaping of anchor cable drilling 3, install before anchor cable, Anchor Agent powder stick is first delivered into foot of hole, then by anchor cable
In the push-in anchor cable of cable body 1 drilling 3, after Anchor Agent 3 is slowly pushed into eyeground by anchor cable, anchor cable rig is connected with anchor cable 1
Connect, start anchor cable rig, anchor cable 1 is advanced into bottom hole while stirring, in whipping process, the tartar on anchor cable 1
The outside tartar 201 of device 2 rotates at a high speed, as a sharp knife, easily Anchor Agent powder stick is hooked and scratched, so that
Resin anchoring agent 4 is set to stir more abundant, full of whole drilling region；The iron wire wound simultaneously on anchor cable 1 is also increased
The diameter of anchor cable.The anchor cable that this local diameter has been enlarged, play enhancing anchoring effect there is provided stronger anchoring
Power.After Anchor Agent solidification, anchor cable pallet 7, pad 6 and anchorage 5 are installed successively, carries out anchor cable pretension work, reaches and set
Count pretightning force.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of band tartar strengthens anchoring anchor cable, it is characterised in that：Including anchor cable (1) and tartar's device (2), anchor cable
(1) it is steel strand wires, tartar's device (2) is made up of an one metal wire, is fastened on anchor cable (1), and the wire
Two terminations hook together the exposed tartar (201) for twisting into a twisted shape, the exposed tartar (201) of the twisted shape and anchor cable
(1) axis structure is in an angle.
2. band tartar according to claim 1 strengthens anchoring anchor cable, it is characterised in that：One end of the wire passes through anchor
Inside the multiply steel strand wires of rustling sound body (1), it is fixed on anchor cable (1), other end winding is arranged on anchor cable (1),
And it is wound in multiturn, in a row per circle close-packed arrays, two terminations hook together the exposed tartar (201) of the twisted shape twisted into towards anchor
Anchored end in rope.
3. band tartar according to claim 2 strengthens anchoring anchor cable, it is characterised in that：The wire winds 8~15 circles,
Length is 25~50mm.
4. band tartar according to claim 1 strengthens anchoring anchor cable, it is characterised in that：Outside the exposed tartar (201)
Dew length is 5~10mm.
5. band tartar according to claim 1 strengthens anchoring anchor cable, it is characterised in that：The exposed tartar (201) and anchor
The axis angle of rustling sound body (1) is 30 °.
6. band tartar according to claim 1 strengthens anchoring anchor cable, it is characterised in that：The root of the exposed tartar (201)
The length of portion's anchored end in anchor cable is 100~200mm.
7. a kind of band tartar strengthens the application method of anchoring anchor cable, it is characterised in that：Its step is：
After anchor cable drilling via formations, install before anchor cable, Anchor Agent powder stick is first delivered into foot of hole, then anchor cable is pushed away
Enter in anchor cable drilling, after Anchor Agent is slowly pushed into eyeground by anchor cable, anchor cable rig is connected with anchor cable, anchor is started
Cable rig, is advanced into bottom hole by anchor cable while stirring, in whipping process, strengthens tartar's device of anchoring anchor cable with tartar
Exposed tartar rotate at a high speed, Anchor Agent powder stick is hooked and scratched, so that Anchor Agent stir more abundant, full of entirely boring
Bore region；After Anchor Agent solidification, anchor cable pallet, pad and anchorage are installed successively, anchor cable pretension work is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710377896.9A CN107120129A (en) | 2017-05-25 | 2017-05-25 | A kind of band tartar strengthens anchoring anchor cable and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710377896.9A CN107120129A (en) | 2017-05-25 | 2017-05-25 | A kind of band tartar strengthens anchoring anchor cable and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107120129A true CN107120129A (en) | 2017-09-01 |
Family
ID=59728911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710377896.9A Pending CN107120129A (en) | 2017-05-25 | 2017-05-25 | A kind of band tartar strengthens anchoring anchor cable and its application method |
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| Country | Link |
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| CN (1) | CN107120129A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098743A (en) * | 2018-08-20 | 2018-12-28 | 中国矿业大学 | A kind of new type mining steel tendon |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971786Y (en) * | 2006-09-01 | 2007-11-07 | 济南澳科矿山工程技术有限公司 | Anchorage cable for mine |
| CN203271787U (en) * | 2013-05-07 | 2013-11-06 | 西安科技大学 | Improved high pre-stressed anchor cable steel strand structure |
| CN203730029U (en) * | 2014-01-16 | 2014-07-23 | 中国矿业大学 | Anchor rope mixing cap prone to piercing resin capsule |
| CN105756695A (en) * | 2016-01-28 | 2016-07-13 | 山东安科矿山支护技术有限公司 | Large-diameter anchor cable for mine |
| CN205532661U (en) * | 2016-01-28 | 2016-08-31 | 山东安科矿山支护技术有限公司 | Mining anchor rope of major diameter |
| WO2016150212A1 (en) * | 2015-03-25 | 2016-09-29 | 中国矿业大学 | Impact-type anchor cable anchor-unhooking apparatus having preinstalled anchor-unhooking rings and method therefor |
-
2017
- 2017-05-25 CN CN201710377896.9A patent/CN107120129A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971786Y (en) * | 2006-09-01 | 2007-11-07 | 济南澳科矿山工程技术有限公司 | Anchorage cable for mine |
| CN203271787U (en) * | 2013-05-07 | 2013-11-06 | 西安科技大学 | Improved high pre-stressed anchor cable steel strand structure |
| CN203730029U (en) * | 2014-01-16 | 2014-07-23 | 中国矿业大学 | Anchor rope mixing cap prone to piercing resin capsule |
| WO2016150212A1 (en) * | 2015-03-25 | 2016-09-29 | 中国矿业大学 | Impact-type anchor cable anchor-unhooking apparatus having preinstalled anchor-unhooking rings and method therefor |
| CN105756695A (en) * | 2016-01-28 | 2016-07-13 | 山东安科矿山支护技术有限公司 | Large-diameter anchor cable for mine |
| CN205532661U (en) * | 2016-01-28 | 2016-08-31 | 山东安科矿山支护技术有限公司 | Mining anchor rope of major diameter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098743A (en) * | 2018-08-20 | 2018-12-28 | 中国矿业大学 | A kind of new type mining steel tendon |
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