CN113638758A - Grouting anchor rod and anchor rope combined type chamber surrounding rock supporting construction - Google Patents

Grouting anchor rod and anchor rope combined type chamber surrounding rock supporting construction Download PDF

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Publication number
CN113638758A
CN113638758A CN202110937869.9A CN202110937869A CN113638758A CN 113638758 A CN113638758 A CN 113638758A CN 202110937869 A CN202110937869 A CN 202110937869A CN 113638758 A CN113638758 A CN 113638758A
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CN
China
Prior art keywords
anchor
grouting
baffle
surrounding rock
anchor rod
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Granted
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CN202110937869.9A
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Chinese (zh)
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CN113638758B (en
Inventor
袁超
郭建强
曹力铭
徐越洋
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Hunan University of Science and Technology
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Hunan University of Science and Technology
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Priority to CN202110937869.9A priority Critical patent/CN113638758B/en
Publication of CN113638758A publication Critical patent/CN113638758A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00Setting anchoring-bolts
    • E21D20/02Setting anchoring-bolts with provisions for grouting
    • E21D20/028Devices or accesories for injecting a grouting liquid in a bore-hole
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0093Accessories
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • 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)
  • Piles And Underground Anchors (AREA)

Abstract

The grouting anchor rod and anchor cable combined type chamber surrounding rock supporting structure comprises a grouting anchor rod, anchor cables and a connecting mechanism which is arranged on the grouting anchor rod and used for fixedly connecting the anchor cables with the grouting anchor rod, wherein a plurality of anchor cables are arranged around the periphery of the grouting anchor rod through the connecting mechanism. The invention provides a grouting anchor rod and anchor cable combined type surrounding rock supporting structure for a chamber, which combines the grouting anchor rod and the anchor cable through a connecting mechanism, fully utilizes respective advantages of the anchor rod and the anchor cable, combines a grouting mechanical mechanism, improves the strength of the surrounding rock supporting structure for the chamber, improves the extensibility, enables the anchoring range to be unlimited, and improves the integrity and the bearing capacity of the surrounding rock.

Description

Grouting anchor rod and anchor rope combined type chamber surrounding rock supporting construction
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of underground cavern surrounding rock reinforcement, in particular to a grouting anchor rod and anchor cable combined type cavern surrounding rock supporting structure.
[ background of the invention ]
The anchor rod, the anchor cable and the grouting are main supporting members for controlling the surrounding rock of the deep chamber. Along with the continuous increase of the burial depth of the underground chamber, the stress level of surrounding rocks of the underground chamber is continuously increased, the range of a cracking area is continuously enlarged, roof fall and rib spalling accidents of the underground chamber are frequently caused, the normal operation of the underground chamber is seriously influenced, and the single anchor rod, anchor rope or grouting support mode is not enough to meet the requirement on the control of the surrounding rocks of the underground chamber. At present, the anchor cable commonly used in engineering has the advantages of high strength and large anchoring range, and has the defect of poor elongation performance of the steel strand. Compared with an anchor cable, the anchor rod has good extension performance, but the rod body strength is low, and the anchoring range is limited.
[ summary of the invention ]
The invention solves the technical problem that the support strength of the existing anchor rod and anchor cable is not enough to meet the support requirement, and provides a grouting anchor rod and anchor cable combined type underground chamber surrounding rock support structure.
The invention is realized by the following technical scheme:
the utility model provides a grouting anchor rod and anchor rope combined type's chamber surrounding rock supporting construction, includes the grouting anchor rod, the anchor rope, and locate on the grouting anchor rod and be used for making the anchor rope with grouting anchor rod fixed connection's coupling mechanism, many the anchor rope passes through coupling mechanism encircles grouting anchor rod periphery sets up.
As above, the combined type chamber surrounding rock supporting structure of grouting anchor rod and anchor rope, the connecting mechanism is including locating first baffle on the grouting anchor rod tip, be equipped with on the first baffle and supply the anchor rope tip inserts in order to right the anchor rope carries out fixed connection's first fixed orifices.
As above-mentioned chamber country rock supporting construction of slip casting stock and anchor rope combined type, coupling mechanism is still including locating second baffle on the slip casting stock, first baffle with the second baffle sets gradually along the length direction of slip casting stock, be equipped with on the second baffle and supply the anchor rope inserts in order to right the anchor rope carries out fixed connection's second fixed orifices, the second fixed orifices is relative first fixed orifices skew sets up.
As above-mentioned chamber country rock supporting construction of slip casting stock and anchor rope combined type, coupling mechanism still locates including the cover fixed sleeve on the slip casting stock, be equipped with on the fixed sleeve along the spacing recess that slip casting stock length direction set up, the anchor rope with spacing recess cooperation is so that the anchor rope keeps following the length direction extension of slip casting stock.
As above-mentioned chamber country rock supporting construction of slip casting stock and anchor rope combined type, coupling mechanism is still including being used for fixing the anchor rope with the backing plate of slip casting stock, the backing plate with be equipped with between the anchor rope and let the pressure mechanism.
As above-mentioned chamber country rock supporting construction of slip casting stock and anchor rope combined type, let press the mechanism including locating last the nut of letting down of anchor rope, one end roof pressure is in let press the spring of letting down on the nut, and locate the backing plate with let press the ball between the spring other end.
According to the grouting anchor rod and anchor cable combined type chamber surrounding rock supporting structure, the grouting anchor rod is provided with the grout stopping plugs and the fixing gaskets which are respectively positioned on two sides of the base plate, and the fixing nuts are used for extruding the fixing gaskets on the base plate.
As above-mentioned a chamber country rock supporting construction of slip casting stock and anchor rope combined type, be equipped with on the slip casting stock and end the thick liquid valve, it includes the valve body to end the thick liquid valve, locates passageway in the valve body, and with the thick liquid spare is ended to valve body articulated, it is including being located to end the thick liquid spare in the passageway and relative the valve body is rotatory in order to right the passageway carries out the shutoff or removes the shutoff end the thick liquid baffle, and is located the valve body outside and with end the synchronous revolution's of thick liquid baffle outside baffle, it is right to end the thick liquid baffle when the passageway carries out the shutoff outside baffle supports to press on the valve body outer wall.
According to the grouting anchor rod and anchor cable combined type chamber surrounding rock supporting structure, the supporting rod is arranged between the first baffle and the second baffle.
As mentioned above, the grouting anchor rod and anchor rope combined type surrounding rock supporting structure of chamber, be equipped with on the grouting anchor rod and prevent inclined mechanism, prevent inclined mechanism including locating prevent inclined nut on the grouting anchor rod, and locate prevent inclined nut with prevent the sloping block between the second baffle.
Compared with the prior art, the invention has the following advantages:
1. according to the combined type underground chamber surrounding rock supporting structure with the grouting anchor rods and the anchor cables, the grouting anchor rods and the anchor cables are combined through the connecting mechanism, the advantages of the anchor rods and the anchor cables are fully utilized, the mechanical mechanism of grouting is combined, the strength of the underground chamber surrounding rock supporting structure is improved, the extending performance is improved, the anchoring range is not limited, and the surrounding rock integrity and the bearing capacity are improved.
2. The grouting anchor rod and anchor cable combined type chamber surrounding rock supporting structure is high in feasibility, all parts are fixed tightly and reliably, the supporting structure is high in strength and good in extensibility, and anchoring capability can be further enhanced through grouting.
3. According to the combined type underground chamber surrounding rock supporting structure with the grouting anchor rods and the anchor cables, the grouting ports are provided with the grout stopping valves, so that grouting and grout stopping can be conveniently performed, and grout backflow is prevented.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view in half section of the present invention;
FIG. 3 is a schematic view of the structure of the fixing sleeve;
FIG. 4 is a schematic structural view of a stop valve;
fig. 5 is a structural view of the anchor front stent.
[ detailed description ] embodiments
In order to make the technical solutions and the advantages of the technical problems solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a grouting anchor rod and anchor rope combined type's chamber country rock supporting construction, includes grouting anchor rod 1, anchor rope 2, and locates on the grouting anchor rod 1 and be used for making anchor rope 2 with 1 fixed connection's of grouting anchor rod coupling mechanism 3, many anchor rope 2 passes through coupling mechanism 3 encircles 1 periphery of grouting anchor rod sets up.
According to the grouting anchor rod and anchor cable combined type surrounding rock supporting structure for the underground chamber, disclosed by the embodiment of the invention, the grouting anchor rod and the anchor cable are combined through the connecting mechanism, the respective advantages of the anchor rod and the anchor cable are fully utilized, the mechanical mechanism of grouting is combined, the strength of the surrounding rock supporting structure for the underground chamber is improved, the extending performance is improved, the anchoring range is not limited, and the integrity and the bearing capacity of the surrounding rock are improved. In this embodiment, many anchor ropes are along the periphery evenly distributed of slip casting stock.
Further, as a preferred embodiment of the present invention, but not limited thereto, the connecting mechanism 3 includes a first blocking plate 31 disposed on an end portion of the grouting bolt 1, and the first blocking plate 31 is provided with a first fixing hole 311 for inserting the end portion of the anchor cable 2 to fixedly connect the anchor cable 2. The end part of the anchor cable is fixed on the first fixing hole, so that the anchor cable can move along with the grouting anchor rod and then enter the surrounding rock. The first baffle is favorable for keeping the connecting position between the grouting anchor rod and the anchor cable constant. Anchor cable hole sites can be increased by the first baffle plate, more anchor cables are connected, and anchoring capacity is further improved.
Further, as a preferred embodiment of the present disclosure, but not limited thereto, the connecting mechanism 3 further includes a second baffle plate 32 disposed on the grouting anchor rod 1, the first baffle plate 31 and the second baffle plate 32 are sequentially disposed along a length direction of the grouting anchor rod 1, a second fixing hole 321 for the anchor cable 2 to be inserted into to fixedly connect the anchor cable 2 is disposed on the second baffle plate 32, and the second fixing hole 321 is disposed in a deviating manner with respect to the first fixing hole 311. The offset arrangement refers to the condition that the central axis of the first fixing hole is coaxial with the central axis of the second fixing hole, and the central axes of the first fixing hole and the second fixing hole are offset, for example, the central axes of the first fixing hole and the second fixing hole are balanced. In this embodiment, the radial distance from the first fixing hole to the grouting anchor rod is smaller than the radial distance from the second fixing hole to the grouting anchor rod, so that the anchor cable is gradually gathered towards the end portion, the supporting structure of the surrounding rock of the chamber can be conveniently inserted into the surrounding rock, the extending direction of the anchor cable can be changed, the anchor cable is bent, and the anchor cable is difficult to separate from the first fixing hole when the anchor cable receives tensile force.
Further, as a preferred embodiment of the present invention, but not limited thereto, the connecting mechanism 3 further includes a fixing sleeve 33 sleeved on the grouting anchor rod 1, a limiting groove 331 is formed in the fixing sleeve 33 and arranged along the length direction of the grouting anchor rod 1, and the anchor cable 2 is matched with the limiting groove 331 so that the anchor cable 2 keeps extending along the length direction of the grouting anchor rod 1. The fixed sleeve can strengthen the anchor rod and fix the anchor cable, and the anchor cable is prevented from transversely twisting together.
Further, as a preferred embodiment of the present disclosure, but not limited thereto, the connecting mechanism 3 further includes a backing plate 34 for fixing the anchor cable 2 and the grouting bolt 1, and a yielding mechanism 4 is disposed between the backing plate 34 and the anchor cable 2. The backing plate is used for supporting and pressing on the cliff, lets the pressure mechanism can let the relative second baffle skew of backing plate to adapt to unevenness's cliff.
Further, as a preferred embodiment of the present invention, but not limited thereto, the yielding mechanism 4 includes a yielding nut 41 disposed on the anchor cable 2, a yielding spring 42 having one end pressed against the yielding nut 41, and a yielding ball 43 disposed between the backing plate 34 and the other end of the yielding spring 42. Let the pressure ball carry out the one-level and let the pressure, let the pressure spring carry out the second grade and let the pressure, dual let the pressure reach good pressure effect of letting, through letting press nut and anchor rope cooperation for let and press the effect adjustable.
Further, as a preferred embodiment of the present invention, but not limited thereto, the grouting bolt 1 is provided with a stop plug 44 and a fixing washer 45 respectively located at two sides of the backing plate 34, and a fixing nut 46 for pressing the fixing washer 45 onto the backing plate 34. The stop paddle plug is positioned on one side, close to the fixed sleeve, of the backing plate to prevent backflow of slurry. The fixing washer and the fixing nut have the functions of yielding and preventing the fixing nut from loosening,
further, as a preferred embodiment of the present disclosure, but not limited thereto, a grout stop valve 5 is disposed on the grouting anchor rod 1, the grout stop valve 5 includes a valve body 51, a passage 52 disposed in the valve body 51, and a grout stop member 53 hinged to the valve body 51, the grout stop member 53 includes a grout stop baffle 531 located in the passage 52 and rotating relative to the valve body 51 to block or unblock the passage 52, and an external baffle 532 located outside the valve body 51 and rotating synchronously with the grout stop baffle 531, and when the grout stop baffle 531 blocks the passage 52, the external baffle 532 presses against an outer wall of the valve body 51. The position of the slurry stop baffle can be known through the position of the external baffle, so that whether the slurry stop valve is in a blocking state or a blocking-releasing state is known. Meanwhile, the external baffle can eliminate the pressure on a part of the slurry stop baffle, and the position of the slurry stop baffle can be controlled through the external baffle.
Further, as a preferred embodiment of the present invention, but not limited thereto, a support rod 6 is disposed between the first baffle 31 and the second baffle 32. In this embodiment, many spinal branchs vaulting pole are connected the edge of first baffle and the edge of second baffle, are the round platform form, and the second baffle has good support intensity to first baffle. The first baffle, the second baffle and the support rod form an anchoring front end support.
Further, as a preferred embodiment of the present invention, but not limited thereto, an anti-tilting mechanism 7 is disposed on the grouting anchor 1, and the anti-tilting mechanism 7 includes an anti-tilting nut 71 disposed on the grouting anchor 1, and an anti-tilting block 72 disposed between the anti-tilting nut 71 and the second baffle 32. The anti-inclination nut is used for preventing the inclination block from being pressed on the second baffle plate, so that the grouting anchor rod is kept perpendicular to the second baffle plate, and the anchor cable 2 can be prevented from inclining due to different stresses caused by the second baffle plate 32. The anti-tilting block is in a round table shape.
Further, as a preferred embodiment of the present invention, but not limited thereto, the anchor rod end is provided with an anchor head 11, and the anchor head is provided with a stirring rod 12, so that the anchoring agent can be sufficiently stirred.
Further, as a preferred embodiment of the present invention, but not limited thereto, the anchor cables 2 are provided with a plurality of sets of anchor cables 2 arranged side by side, and the grouting bolt 1 is disposed in the middle of the plurality of sets of anchor cables 2 arranged side by side.
Further, as a preferred embodiment of the present disclosure, but not limited thereto, the anchor cable 2 may be added with at most four groups according to requirements, so as to further enhance the anchoring capability.
Further, as a preferred embodiment of the present invention, but not limited thereto, the grouting bolt 1 is of a multi-segment combined structure, and is fixed by using a nut 13, and a fixing sleeve 33 is provided at the middle segment for fixing the anchor cable 2. The anchor rod is provided with a through hole 14, so that grouting can be conveniently performed.
Further, as a preferred embodiment of the present invention, but not limited thereto, the fixing sleeve 33 is filled with a buffer material therein, so as to prevent the anchor rod from being laterally broken during anchoring.
The working principle of the embodiment is as follows:
according to the grouting anchor rod and anchor cable combined type surrounding rock supporting structure for the underground chamber, disclosed by the embodiment of the invention, the grouting anchor rod and the anchor cable are combined through the connecting mechanism, the respective advantages of the anchor rod and the anchor cable are fully utilized, the mechanical mechanism of grouting is combined, the strength of the surrounding rock supporting structure for the underground chamber is improved, the extending performance is improved, the anchoring range is not limited, and the integrity and the bearing capacity of the surrounding rock are improved. In this embodiment, many anchor ropes are along the periphery evenly distributed of slip casting stock.
The foregoing is illustrative of embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms set forth herein. Similar to the structure of the method, or several technical deductions or substitutions made on the premise of the conception of the present application, should be regarded as the protection scope of the present application.

Claims (10)

1. The utility model provides a chamber country rock supporting construction of slip casting stock and anchor rope combined type which characterized in that: including slip casting stock (1), anchor rope (2), and locate on slip casting stock (1) and be used for making anchor rope (2) with coupling mechanism (3) of slip casting stock (1) fixed connection, many anchor rope (2) pass through coupling mechanism (3) encircle slip casting stock (1) periphery sets up.
2. The composite type chamber surrounding rock supporting structure of grouting anchor rods and anchor cables as claimed in claim 1, wherein: the connecting mechanism (3) comprises a first baffle (31) arranged at the end part of the grouting anchor rod (1), and a first fixing hole (311) for the end part of the anchor cable (2) to be inserted into so as to fixedly connect the anchor cable (2) is formed in the first baffle (31).
3. The composite grouting anchor rod and anchor cable chamber surrounding rock supporting structure as claimed in claim 2, wherein: coupling mechanism (3) are still including locating second baffle (32) on slip casting stock (1), first baffle (31) with second baffle (32) are followed the length direction of slip casting stock (1) sets gradually, be equipped with the confession on second baffle (32) anchor rope (2) insert in order to right anchor rope (2) carry out fixed connection's second fixed orifices (321), second fixed orifices (321) are relative first fixed orifices (311) skew sets up.
4. The composite type chamber surrounding rock supporting structure of grouting anchor rods and anchor cables as claimed in claim 1, wherein: the connecting mechanism (3) further comprises a fixing sleeve (33) sleeved on the grouting anchor rod (1), a limiting groove (331) arranged along the length direction of the grouting anchor rod (1) is formed in the fixing sleeve (33), and the anchor cable (2) is matched with the limiting groove (331) to enable the anchor cable (2) to keep extending along the length direction of the grouting anchor rod (1).
5. The composite grouting anchor rod and anchor cable chamber surrounding rock supporting structure as claimed in claim 2, wherein: the connecting mechanism (3) further comprises a base plate (34) used for fixing the anchor cable (2) and the grouting anchor rod (1), and a yielding mechanism (4) is arranged between the base plate (34) and the anchor cable (2).
6. The composite type chamber surrounding rock supporting structure of grouting anchor rods and anchor cables as claimed in claim 5, wherein: the yielding mechanism (4) comprises a yielding nut (41) arranged on the anchor cable (2), a yielding spring (42) with one end pressed on the yielding nut (41), and a yielding ball (43) arranged between the backing plate (34) and the other end of the yielding spring (42).
7. The composite type chamber surrounding rock supporting structure of grouting anchor rods and anchor cables as claimed in claim 5, wherein: and the grouting anchor rod (1) is provided with a stop-paddle plug (44) and a fixed washer (45) which are respectively positioned at two sides of the backing plate (34), and a fixing nut (46) used for extruding the fixed washer (45) on the backing plate (34).
8. The composite type chamber surrounding rock supporting structure of grouting anchor rods and anchor cables as claimed in claim 5, wherein: be equipped with on slip casting stock (1) and end thick liquid valve (5), it includes valve body (51) to end thick liquid valve (5) locate passageway (52) in valve body (51), and with valve body (51) articulated end thick liquid piece (53), it is including being located to end thick liquid piece (53) in passageway (52) and relative valve body (51) are rotatory in order to right passageway (52) are shutoff or are relieved the shutoff and end thick liquid baffle (531), and are located valve body (51) outside and with end thick liquid baffle (531) synchronous revolution's outside baffle (532), it is right to end thick liquid baffle (531) when passageway (52) carry out the shutoff outside baffle (532) support and press on valve body (51) outer wall.
9. The composite type chamber surrounding rock supporting structure of grouting anchor rods and anchor cables as claimed in claim 3, wherein: a support rod (6) is arranged between the first baffle plate (31) and the second baffle plate (32).
10. The composite type chamber surrounding rock supporting structure of grouting anchor rods and anchor cables as claimed in claim 3, wherein: be equipped with on slip casting stock (1) and prevent inclined mechanism (7), prevent inclined mechanism (7) including locating prevent inclined nut (71) on slip casting stock (1) and locate prevent inclined nut (71) with prevent between second baffle (32) sloping block (72).
CN202110937869.9A 2021-08-16 2021-08-16 Grouting anchor rod and anchor rope combined type chamber surrounding rock supporting structure Active CN113638758B (en)

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CN113638758B CN113638758B (en) 2024-09-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114991141A (en) * 2022-06-30 2022-09-02 广东志创宏建筑工程有限公司 Prestressed anchor cable structure and prestressed anchor cable construction method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202544883U (en) * 2012-04-12 2012-11-21 刘文江 Self-boring full thread hollow grouting anchor rod
CN203257439U (en) * 2013-04-07 2013-10-30 中国矿业大学 Anchor rope total-length anchoring device used for coal mine soft-rock roadway
CN109578032A (en) * 2019-01-10 2019-04-05 辽宁工程技术大学 A kind of high stress breaking surrounding rock chamber reinforcement means
CN112081613A (en) * 2020-10-20 2020-12-15 湖南科技大学 Roadway surrounding rock supporting method capable of applying pretightening force in grading manner
CN112096433A (en) * 2020-10-20 2020-12-18 湖南科技大学 Main body supporting structure applied to roadway surrounding rock supporting
US20210040849A1 (en) * 2017-06-28 2021-02-11 Shandong University Of Science And Technology Grouting anchor bolt and grouting anchor cable for supporting of large deformation and constant resistance and quantitative roadway supporting method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202544883U (en) * 2012-04-12 2012-11-21 刘文江 Self-boring full thread hollow grouting anchor rod
CN203257439U (en) * 2013-04-07 2013-10-30 中国矿业大学 Anchor rope total-length anchoring device used for coal mine soft-rock roadway
US20210040849A1 (en) * 2017-06-28 2021-02-11 Shandong University Of Science And Technology Grouting anchor bolt and grouting anchor cable for supporting of large deformation and constant resistance and quantitative roadway supporting method
CN109578032A (en) * 2019-01-10 2019-04-05 辽宁工程技术大学 A kind of high stress breaking surrounding rock chamber reinforcement means
CN112081613A (en) * 2020-10-20 2020-12-15 湖南科技大学 Roadway surrounding rock supporting method capable of applying pretightening force in grading manner
CN112096433A (en) * 2020-10-20 2020-12-18 湖南科技大学 Main body supporting structure applied to roadway surrounding rock supporting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114991141A (en) * 2022-06-30 2022-09-02 广东志创宏建筑工程有限公司 Prestressed anchor cable structure and prestressed anchor cable construction method
CN114991141B (en) * 2022-06-30 2024-04-09 广东志创宏建筑工程有限公司 Prestressed anchor cable structure and construction method of prestressed anchor cable

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