CN115095367A - Anchoring and supporting structure for deep mine high-rheology roadway surrounding rock control - Google Patents
Anchoring and supporting structure for deep mine high-rheology roadway surrounding rock control Download PDFInfo
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- CN115095367A CN115095367A CN202210933282.5A CN202210933282A CN115095367A CN 115095367 A CN115095367 A CN 115095367A CN 202210933282 A CN202210933282 A CN 202210933282A CN 115095367 A CN115095367 A CN 115095367A
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- 239000011435 rock Substances 0.000 title claims abstract description 62
- 230000008093 supporting effect Effects 0.000 title claims abstract description 22
- 238000004873 anchoring Methods 0.000 title claims abstract description 17
- 238000000518 rheometry Methods 0.000 title description 5
- 239000004033 plastic Substances 0.000 claims abstract description 21
- 238000010276 construction Methods 0.000 claims abstract description 17
- 238000007569 slipcasting Methods 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 230000008602 contraction Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 239000002775 capsule Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- E21D21/0046—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts formed by a plurality of elements arranged longitudinally
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- 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
- E21D20/021—Grouting with inorganic components, e.g. cement
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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)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses an anchoring and supporting structure for deep mine strong rheological roadway surrounding rock control, which comprises: the central anchor rods are arranged in a plurality, and each central anchor rod is vertically inserted into the surrounding rock roadway; the attachment net is attached to the inner wall of the surrounding rock roadway in a covering mode; the end grouting and curing component is arranged on the central anchor rod in a relatively sliding and adjusting manner, a grouting hole is preferentially drilled in a flowing and crushing area of the surrounding rock roadway, and the end grouting and curing component can be inserted to the corresponding hole depth and then grouted and anchored; the outer support device is concentrically arranged on one side of the central anchor rod, which is far away from the end grouting curing assembly, and is in fastening contact with the inner wall of the surrounding rock roadway through the attachment net; middle part fulcrum construction subassembly, but relative sliding adjusts set up near its middle part position on central stock, middle part fulcrum construction subassembly can expand in country rock tunnel plastic region and prop the slip casting to form the lever fulcrum.
Description
Technical Field
The invention belongs to the technical field of roadway support, and particularly relates to an anchoring support structure for deep mine high-rheology roadway surrounding rock control.
Background
The deep well coal bed is influenced by diagenesis and high ground stress, and is usually in a loose and broken state, so that the coal bed has low strength, weak cementation and fine particle size of discrete particles. Due to the fact that loose coal seams are low in strength, stable anchoring structures are difficult to form in anchor rod supporting, separation of anchoring agents and surrounding rock interfaces is easy to occur, due to the fact that ground stress is high, the coal seams are poor in self-stabilizing capacity, passive supporting effect is poor, currently, anchor rod joint control modes are adopted, the surrounding rock is difficult to deal with the obvious rheological conditions after tunnel plastic regions are deteriorated by adopting a single common anchor rod structure, and the surrounding rock close to the surface of a tunnel still has the characteristics of strong continuous deformation, large deformation, serious damage and the like.
Therefore, the person skilled in the art provides an anchoring and supporting structure for deep mine high current metamorphic tunnel surrounding rock control, so as to solve the problems proposed in the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: an anchor supporting construction of deep mine high rheology tunnel country rock control, it includes:
the central anchor rods are arranged in a plurality, and each central anchor rod is vertically inserted into the surrounding rock roadway;
the attachment net is attached to the inner wall of the surrounding rock roadway in a covering mode;
the end grouting and curing assembly is arranged on the central anchor rod in a relatively sliding and adjusting manner, a grouting hole is preferentially drilled in a flowing and crushing area of the surrounding rock roadway, and the end grouting and curing assembly can be inserted to the corresponding hole depth and then grouted and anchored;
the outer support device is concentrically arranged on one side of the central anchor rod, which is far away from the end part grouting curing assembly, and is in fastening contact with the inner wall of the surrounding rock roadway through the attachment net;
the middle part fulcrum construction assembly can be adjusted in a relatively sliding mode and is arranged on the center anchor rod and close to the middle part of the center anchor rod, and the middle part fulcrum construction assembly can expand and support grouting in a surrounding rock roadway plastic area and form a lever fulcrum.
Further, preferably, the end slip casting and curing assembly includes:
the inner shaft tube vertically slides in the central anchor rod, and one end of the inner shaft tube is fixed with a sealing seat;
the central anchor rod is provided with a plurality of reinforcing ribs which are arranged in the circumferential direction, a plurality of strip-shaped grooves are correspondingly formed in the central anchor rod, and the reinforcing ribs can be vertically connected to the inner shaft tube in a relatively sliding manner;
the cutting and combining piece is fixed on each reinforcing rib and positioned on the inner shaft pipe shaft;
the inner spring is sleeved on the reinforcing rib and abuts against the corresponding part;
the inner grouting pipe is vertically and relatively slidably arranged in the inner shaft pipe, a rubber ring is arranged in the sealing seat, and the inner grouting pipe is hermetically slid in the rubber ring; and
and the flow blocking ring is sleeved outside the inner shaft pipe and is tightly attached to the central anchor rod.
Further, as preferred, the one end of interior slip casting pipe is linked together with the peripheral hardware cement pump, and its other end is set up to the cascaded body structure of multistage, each on the closure piece towards the terminal surface one side of middle part fulcrum construction subassembly is equipped with the inclined plane structure.
Further, preferably, a plurality of groups of thread structures are further arranged on the reinforcing ribs.
Further, preferably, the middle fulcrum construction assembly includes:
the inner connecting pipe is sleeved outside the end grouting curing component in a concentric sliding manner and is positioned in the central anchor rod;
the guide sleeve is coaxially fixed on the inner connecting pipe and is arranged in the center anchor rod in a sliding mode;
the expansion and contraction bag body is sleeved outside the guide sleeve, an outer notch is correspondingly formed in the side wall of the central anchor rod, an inner ball cavity position is formed in the corresponding position of the surrounding rock roadway plastic area, and the expansion and contraction bag body can form a spherical expansion and support state at the inner ball cavity position of the surrounding rock roadway plastic area through the outer notch under the condition of continuous air supply expansion;
the inner air flow pipe is arranged in the inner connecting pipe in a penetrating way and is communicated with the expansion and contraction bag body;
the oblique flow hole is obliquely formed in the plastic area of the surrounding rock roadway and communicated with the inner ball cavity;
the flow-assisting holes are circumferentially arranged, and are uniformly arranged on the inner connecting pipe and positioned below the expansion capsule body; and
and the adapter tube is communicated with one end of the inner connecting tube, and one end of the adapter tube is communicated with the flow supply tank.
Further, as a preferred option, the diagonal holes can preferentially perform internal grouting and form an outer ring layer, the expansion and contraction balloon exhausts air and contracts inwards after the outer ring layer is solidified, and then the inner connecting pipe performs grouting filling on the outer ring layer through each flow assisting hole and forms a column sphere.
Further, preferably, the consistency of the grouting material for grouting and filling the outer ring layer is less than that of the grouting material for grouting and filling the column ball body.
Further, preferably, the outrigger means includes:
fixing the end seat;
the abutting disc is sleeved outside the central anchor rod;
the elastic contact layer is arranged on one side, far away from the fixed end seat, of the abutting disc;
and the bearing springs are obliquely connected between the fixed end seat and the abutting disc and are arranged in a circumferential direction.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a plurality of center anchor rods are vertically inserted into a mine roadway, each center anchor rod can be correspondingly inserted into a surrounding rock roadway flow crushing area, and anchoring support for roadway surrounding rocks is realized by matching with an attachment net; especially, be provided with middle part fulcrum construction subassembly on each center stock, middle part fulcrum construction subassembly can form the lever fulcrum in country rock tunnel plastic zone, when the broken district of country rock tunnel flow appears the continuation when being out of shape greatly, accessible control lever fulcrum spatial position on the one hand this moment for outrigger strutting arrangement can further carry out the strutted to tunnel country rock inner wall, on the other hand still can make behind adjustment lever fulcrum spatial position so that center stock tip can effectively deal with the deformation of the broken district of country rock tunnel flow, thereby realize high strength under the cooperation of a plurality of center stocks and strut.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an end grouting curing assembly of the present invention;
FIG. 3 is a schematic structural view of a middle pivot building assembly of the present invention;
FIG. 4 is a schematic diagram of the structure formed by the outer ring layer and the cylindrical sphere in the present invention;
FIG. 5 is a schematic structural view of the external frame supporting device of the present invention;
in the figure: the anchor rod comprises a central anchor rod 1, an attachment net 11, an end grouting curing assembly 2, an inner shaft tube 21, a reinforcing rib 22, a rubber ring 23, an inner spring 24, an inner grouting tube 25, a cutting piece 26, a flow blocking ring 27, a middle fulcrum building assembly 3, an inner connecting tube 31, a guide sleeve 32, an expansion and contraction bag body 33, an oblique flow hole 34, an adapter tube 35, an outer frame support device 4, a fixed end seat 41, an abutting disc 42, an elastic contact layer 43 and a spring 44.
Detailed Description
Referring to fig. 1, in an embodiment of the present invention, an anchoring and supporting structure for deep mine high-rheology roadway surrounding rock control includes:
the central anchor rods 1 are arranged in a plurality, and each central anchor rod 1 is vertically inserted into a surrounding rock roadway;
the attachment net 11 is attached to the inner wall of the surrounding rock roadway in a covering mode;
the end grouting curing component 2 is arranged on the central anchor rod 1 in a relatively sliding adjusting mode, wherein a grouting hole is drilled in a flowing and crushing area of a surrounding rock roadway preferentially, and the end grouting curing component 2 can be inserted to the depth of the corresponding hole and then grouted and anchored;
the outer support device 4 is concentrically arranged on one side, far away from the end part grouting curing assembly 2, of the central anchor rod 1, and the outer support device 4 is in fastening contact with the inner wall of the surrounding rock roadway through the attachment net 11;
middle part fulcrum construction subassembly 3, but relative slip adjusts set up on central stock 1 near its middle part position, middle part fulcrum construction subassembly 3 can expand the slip casting in country rock tunnel plastic property district to form the lever fulcrum, wherein the center stock should adopt high rigidity steel material, through the lever fulcrum that forms in country rock tunnel plastic property district, make the center stock can make deflection motion around the fulcrum, thereby in the broken zone continuation large deformation that flows in the tunnel, a plurality of center stocks can be effectively strutted the deformation of the broken zone that flows in the tunnel through the lever principle by outrigger device.
In this embodiment, the end grouting curing assembly 2 includes:
the inner shaft tube 21 vertically slides in the central anchor rod 1, and one end of the inner shaft tube 21 is fixed with a sealing seat;
the central anchor rod 1 is correspondingly provided with a plurality of strip-shaped grooves, and the reinforcing ribs 22 can be vertically connected to the inner shaft tube 21 in a relatively sliding manner;
a cutter 26 fixed to each of the reinforcing ribs 22 and positioned on the inner shaft tube shaft 21;
the inner spring 24 is sleeved on the reinforcing rib 22 and abuts against the cutting piece 26;
the inner grouting pipe 25 is vertically and relatively slidably arranged in the inner shaft pipe 21, a rubber ring 23 is arranged in the sealing seat, the inner grouting pipe 25 hermetically slides in the rubber ring 23, all the reinforcing ribs can be horizontally accommodated in the inner shaft pipe under the action of the elastic force of an inner spring, and the inner grouting pipe can be contacted with the cutting parts on all the reinforcing ribs, so that all the reinforcing ribs are synchronously pushed to slide outwards through the inner grouting pipe; and
and the choke ring 27 is sleeved outside the inner shaft tube 21 and is tightly attached to the central anchor rod 1, so that the grouting cement is prevented from flowing out from a gap between the central anchor rod and the inner shaft tube.
As a preferred embodiment, one end of the inner grouting pipe 25 is communicated with an external cement pump (not shown in the figure), and the other end of the inner grouting pipe is provided with a multi-stage stepped pipe structure, an inclined plane structure is arranged on one side of the end surface of each cutting member 26 facing the middle fulcrum building component 3, and particularly, the cross section of each grouting hole is provided with an inverted trapezoidal structure, so that when the inner grouting pipe continuously slides and extends, the reinforcing rib can partially or completely extend into the grouting hole, and the overall structural strength is obviously improved after grouting and curing.
In this embodiment, the reinforcing rib 22 is further provided with a plurality of sets of thread structures, so as to further improve the firmness.
In this embodiment, the middle fulcrum construction component 3 includes:
the inner connecting pipe 31 is sleeved outside the end grouting curing component 2 in a concentric sliding mode and is positioned in the center anchor rod;
a guide sleeve 32 coaxially fixed to the inner joint pipe 31 and slidably disposed in the center anchor 1;
the expansion and contraction bag 33 is sleeved outside the delivery sleeve 32, an outer notch is correspondingly formed in the side wall of the central anchor rod 1, an inner ball cavity position is formed in the corresponding position of the surrounding rock roadway plastic area, and the expansion and contraction bag 33 can form a spherical expansion and support state at the inner ball cavity position of the surrounding rock roadway plastic area through the outer notch under the condition of continuous air supply expansion;
an inner air flow pipe, which is arranged in the inner connecting pipe 31 in a penetrating way and is communicated with the expansion capsule 33;
the inclined flow hole 34 is obliquely formed in the plastic area of the surrounding rock roadway and communicated with the inner ball cavity;
the plurality of flow-assisting holes are circumferentially arranged, and are uniformly arranged on the inner connecting pipe 31 and positioned below the expansion capsule 33; and
In this embodiment, the oblique flow hole can preferentially perform internal grouting and form an outer ring layer, the expansion capsule 33 exhausts air and contracts after the outer ring layer is cured, then the inner pipe 31 performs grouting filling on the outer ring layer through each flow assisting hole and forms a column sphere, particularly, the center of the outer ring layer sphere can be used as a circle center and used as a fulcrum in center anchor rod deflection, and when the outer ring layer is crushed by extrusion, the column sphere controls the center anchor rod deflection relative to the outer ring layer.
As a preferred embodiment, the consistency of the grouting material for grouting and filling the outer ring layer is lower than that of the grouting material for grouting and filling the pillar ball, and particularly after the outer ring layer is crushed by extrusion, the outer ring layer can be extruded to achieve a grinding effect when the pillar ball continuously deflects along with the large deformation of the surrounding rock, so that a soft layer is formed outside the pillar ball for protection, and meanwhile, the structural firmness of the pillar ball and the plastic area of the roadway of the surrounding rock can be effectively improved.
In this embodiment, the outer frame supporting device 4 includes:
a fixed end seat 41;
the abutting disc 42 is sleeved outside the central anchor rod 1;
an elastic contact layer 43 provided on the side of the abutting disc 42 remote from the fixed end seat 41;
and the bearing springs 44 are obliquely connected between the fixed end seat 41 and the abutting disc 42, and the bearing springs 44 are arranged in a circumferential direction.
In particular, during use, the surrounding rock roadway is preferentially drilled, a plurality of center anchor rods can be correspondingly and vertically inserted into the flowing and crushing area of the surrounding rock roadway, at the moment, the reinforcing ribs can extend into the grouting holes under the sliding action of the inner grouting pipes, meanwhile, the expansion and contraction action of the expansion and contraction bag body carries out central expansion and support on the inner ball cavity position of the plastic area of the surrounding rock roadway, internal grouting is carried out synchronously through the inner grouting pipe and the inclined flow hole, when the outer ring layer is grouted and cured, the expansion and shrinkage bag body can contract and slide to the middle of the inner ball cavity position from the vertical displacement control flow-assisting hole of the inner connecting pipe, so that secondary grouting is facilitated to form a cylindrical ball body, and at the moment, a lever fulcrum is formed in a plastic area of a surrounding rock roadway, the central anchor rods can perform deflection motion around the supporting points, the plurality of central anchor rods can effectively support the deformation of the flowing and crushing area of the roadway by the outer frame supporting device through the lever principle, and the supporting function of the main body of the central anchor rods can be adjusted by adjusting the relative displacement of the supporting points;
the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides an anchor supporting construction of deep mine high current change tunnel country rock control which characterized in that: it comprises the following steps:
the anchor rod assembly comprises a plurality of central anchor rods (1), wherein the central anchor rods (1) are arranged in a row, and each central anchor rod (1) is vertically inserted into a surrounding rock roadway;
the attachment net (11) is attached to the inner wall of the surrounding rock roadway in a covering mode;
the end grouting and curing component (2) is arranged on the central anchor rod (1) in a relatively sliding adjusting manner, a grouting hole is preferentially drilled in a flowing and crushing area of the surrounding rock roadway, and the end grouting and curing component (2) can be inserted into the corresponding hole depth for grouting and anchoring;
the outer support device (4) is concentrically arranged on one side, far away from the end grouting curing assembly (2), of the center anchor rod (1), and the outer support device (4) is in fastening contact with the inner wall of the surrounding rock roadway through an attachment net (11);
middle part fulcrum construction subassembly (3), but relative sliding adjustment's setting is close to its middle part position on central stock (1), middle part fulcrum construction subassembly (3) can expand the slip casting in country rock tunnel plastic region to form the lever fulcrum.
2. The anchoring and supporting structure for the deep mine high-current metamorphic tunnel surrounding rock control according to claim 1 is characterized in that: the end slip curing assembly (2) comprises:
the inner shaft tube (21) vertically slides in the central anchor rod (1), and a sealing seat is fixed at one end of the inner shaft tube (21);
the central anchor rod (1) is correspondingly provided with a plurality of strip-shaped grooves, and the reinforcing ribs (22) can be vertically connected to the inner shaft tube (21) in a relatively sliding manner;
a cutting member (26) fixed to each of the reinforcing ribs (22) and positioned on the inner shaft tube shaft (21);
the inner spring (24) is sleeved on the reinforcing rib (22) and abuts against the cutting part (26);
the inner grouting pipe (25) is vertically and relatively slidably arranged in the inner shaft pipe (21), a rubber ring (23) is arranged in the sealing seat, and the inner grouting pipe (25) hermetically slides in the rubber ring (23); and
and the choke ring (27) is sleeved outside the inner shaft tube (21) and is tightly attached to the central anchor rod (1).
3. The anchoring and supporting structure for deep mine high-current-variation roadway surrounding rock control according to claim 2, is characterized in that: one end of the inner grouting pipe (25) is communicated with an external cement pump, the other end of the inner grouting pipe is of a multi-section stepped pipe body structure, and an inclined surface structure is arranged on one side of the end surface of each cutting piece (26) facing the middle fulcrum construction assembly (3).
4. The anchoring and supporting structure for the deep mine high-current-variation roadway surrounding rock control according to claim 3, characterized in that: and a plurality of groups of thread structures are arranged on the reinforcing ribs (22).
5. The anchoring and supporting structure for the deep mine high-current metamorphic tunnel surrounding rock control according to claim 1 is characterized in that: the middle fulcrum construction assembly (3) comprises:
the inner connecting pipe (31) is sleeved outside the end grouting curing component (2) in a concentric sliding manner and is positioned in the central anchor rod;
the guide sleeve (32) is coaxially fixed on the inner connecting pipe (31) and is arranged in the center anchor rod (1) in a sliding mode;
the expansion and contraction bag body (33) is sleeved outside the guide sleeve (32), an outer notch is correspondingly formed in the side wall of the center anchor rod (1), an inner ball cavity position is formed in the corresponding position of the surrounding rock roadway plastic zone, and the expansion and contraction bag body (33) can form a spherical expansion and support state at the inner ball cavity position of the surrounding rock roadway plastic zone through the outer notch under continuous air supply expansion;
the inner air flow pipe is arranged in the inner connecting pipe (31) in a penetrating way and is communicated with the expansion and contraction balloon (33);
the oblique flow hole (34) is obliquely formed in the plastic area of the surrounding rock roadway and communicated with the inner ball cavity;
the flow-assisting holes are circumferentially arranged, and are uniformly arranged on the inner connecting pipe (31) and positioned below the expansion capsule body (33); and
and the adapter tube (35) is communicated with one end of the inner connecting tube (31), and one end of the adapter tube (35) is communicated with the flow supply tank.
6. The anchoring and supporting structure for deep mine high-current-variation roadway surrounding rock control according to claim 5, is characterized in that: the inclined flow holes can perform internal grouting preferentially and form an outer ring layer, the expansion capsule body (33) exhausts air and contracts inwards after the outer ring layer is solidified, and then the inner connecting pipe (31) performs grouting filling on the outer ring layer through each flow assisting hole and forms a column sphere.
7. The anchoring and supporting structure for the deep mine high-current metamorphic tunnel surrounding rock control according to claim 6, is characterized in that: the consistency of the grouting material for grouting and filling the outer ring layer is less than that of the grouting material for grouting and filling the column ball body.
8. The anchoring and supporting structure for the deep mine high-current metamorphic tunnel surrounding rock control according to claim 1 is characterized in that: the outrigger device (4) comprises:
a fixed end seat (41);
the abutting disc (42) is sleeved outside the central anchor rod (1);
an elastic contact layer (43) arranged on the side of the abutting disc (42) far away from the fixed end seat (41);
and the bearing springs (44) are obliquely connected between the fixed end seat (41) and the abutting disc (42), and the bearing springs (44) are arranged in a circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210933282.5A CN115095367A (en) | 2022-08-04 | 2022-08-04 | Anchoring and supporting structure for deep mine high-rheology roadway surrounding rock control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210933282.5A CN115095367A (en) | 2022-08-04 | 2022-08-04 | Anchoring and supporting structure for deep mine high-rheology roadway surrounding rock control |
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| Publication Number | Publication Date |
|---|---|
| CN115095367A true CN115095367A (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210933282.5A Pending CN115095367A (en) | 2022-08-04 | 2022-08-04 | Anchoring and supporting structure for deep mine high-rheology roadway surrounding rock control |
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| CN (1) | CN115095367A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108317A (en) * | 2023-10-25 | 2023-11-24 | 焦作煤业集团赵固（新乡）能源有限责任公司 | Grouting equipment is consolidated in mine tunnel |
-
2022
- 2022-08-04 CN CN202210933282.5A patent/CN115095367A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108317A (en) * | 2023-10-25 | 2023-11-24 | 焦作煤业集团赵固（新乡）能源有限责任公司 | Grouting equipment is consolidated in mine tunnel |
| CN117108317B (en) * | 2023-10-25 | 2024-01-30 | 焦作煤业集团赵固（新乡）能源有限责任公司 | Grouting equipment is consolidated in mine tunnel |
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