CN214836416U - Supporting structure for weak surrounding rock tunnel - Google Patents
Supporting structure for weak surrounding rock tunnel Download PDFInfo
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- CN214836416U CN214836416U CN202022095351.9U CN202022095351U CN214836416U CN 214836416 U CN214836416 U CN 214836416U CN 202022095351 U CN202022095351 U CN 202022095351U CN 214836416 U CN214836416 U CN 214836416U
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- reinforcing
- frame
- surrounding rock
- concrete layer
- rock tunnel
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Abstract
The utility model provides a supporting structure for weak surrounding rock tunnel, including outside reinforcing frame, inboard concrete layer, inboard reinforcing frame, fixed inserted bar, inboard backing plate, outside backing plate, jack, reinforcing strut structure, ventilation cooling frame structure, bottom water guide frame structure, waterproof filling layer, passageway and outside concrete layer, inboard concrete layer set up in the inboard of outside reinforcing frame; the inner side reinforcing bracket is arranged on the inner side of the inner side concrete layer. The fan is arranged at the inner side of the air duct and is connected with the cross-shaped frame screw, so that a good ventilation function is conveniently realized for the gap between the inner side reinforcing frame and the upper side reinforcing frame when in use, and the service life is prevented from being influenced by internal moisture; the upside reinforcing frame is provided with two, and the upside reinforcing frame cross-section of the left and right sides is triangle-shaped, is favorable to increasing the fixed effect to this structure top when using.
Description
Technical Field
The utility model belongs to the technical field of traffic engineering facility, especially, relate to a supporting construction for weak country rock tunnel.
Background
The weak surrounding rock generally refers to the surrounding rock with weak rock quality, low bearing capacity, joint crack development and broken structure, and has the characteristics of loose broken rock body, poor cohesive force, low surrounding rock strength, easy softening when meeting water, and weak rock body structural surface and easy collapse; the characteristics of the weak surrounding rock determine the deformation characteristics of the weak surrounding rock in the tunnel process, namely the self-stability capability is poor after excavation, and the characteristics of short self-stability time and easy collapse are shown; the stress of the surrounding rock is readjusted, and the surrounding rock and the tunnel wall deform towards the clearance direction of the tunnel.
But the supporting construction in current tunnel has the ventilation effect to inside poor, to the fixed effect of top poor with inconvenient water liquid to falling from the side and collect the problem.
Therefore, it is necessary to invent a supporting structure for weak surrounding rock tunnels.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a supporting construction for weak country rock tunnel to the supporting construction who solves current tunnel has the ventilation effect poor to inside, and is poor and inconvenient to the problem of collecting from the water liquid that the side fell to the fixed effect at top. A supporting structure for a weak surrounding rock tunnel comprises an outer side reinforcing support, an inner side concrete layer, an inner side reinforcing support, a fixed inserted rod, an inner side base plate, an outer side base plate, an insertion hole, a reinforcing support frame structure, a ventilation and heat dissipation frame structure, a bottom water guide frame structure, a waterproof filling layer, a channel and an outer side concrete layer, wherein the inner side concrete layer is arranged on the inner side of the outer side reinforcing support; the inner side reinforcing bracket is arranged on the inner side of the inner side concrete layer; the fixed inserted bar is welded on the outer side of the inner side reinforcing support and penetrates through the insertion hole to be inserted in the north side of the outer side concrete layer; the inner liner plate is arranged on the inner side of the outer reinforcing bracket and is arranged on the outer side of the fixed inserted bar; the outer side base plate is arranged on the outer side of the outer side reinforcing support and is sleeved on the outer side of the fixed inserted rod; the jacks are respectively arranged at the outer sides of the outer side reinforcing brackets; the reinforcing support frame structure is arranged on the inner side of the inner side reinforcing support; the ventilation and heat dissipation frame structure is arranged on the upper side of the reinforcing support frame structure; the bottom water guide frame structure is embedded in the left side and the right side of the lower part of the waterproof filling layer; the waterproof filling layer is arranged on the inner side of the inner side reinforcing bracket; the channel is arranged on the inner side of the waterproof filling layer; the outer concrete layer is arranged on the outer side of the outer reinforcing bracket; the reinforcing support frame structure comprises a longitudinal reinforcing frame, an upper reinforcing frame, side supporting rods, a top plate and a middle connecting seat, wherein the longitudinal reinforcing frame is mounted on the left side and the right side of the inside of the inner reinforcing frame through bolts; the upper side reinforcing frame is welded at the upper part of the longitudinal reinforcing frame; the side supporting rods are respectively welded on the upper part of the upper reinforcing frame; the top plate is welded on the upper side of the side supporting rod.
Preferably, the ventilation and heat dissipation frame structure comprises a mounting plate, an air duct, a cross-shaped frame, a fan and a dust screen, wherein the mounting plate is mounted on the upper part of the upper side reinforcing frame through bolts; the air guide cylinder is welded on the upper part of the mounting plate; the cross-shaped frame bolts are arranged on the front side and the rear side of the inside of the air guide cylinder.
Preferably, the bottom water guide frame structure comprises an L-shaped fixing frame, a triangular plate, a transverse plate, a material leaking net and a water guide groove, and the L-shaped fixing frame is embedded in the left side and the right side of the lower part of the waterproof filling layer; the triangular plate is welded on the upper part of the L-shaped fixing frame; the transverse plate screw is arranged at the lower part of the upper surface of the L-shaped fixed frame.
Preferably, the fan is arranged on the inner side of the air duct and is connected with the cross-shaped frame through a screw.
Preferably, two upper reinforcing frames are arranged, and the cross sections of the upper reinforcing frames on the left side and the right side are triangular.
Preferably, the water chute is arranged at the inner side of the L-shaped fixing frame.
Preferably, the dust screen screws are arranged on the front side and the rear side of the air guide cylinder.
Preferably, the screen is embedded in the right side of the transverse plate.
Preferably, the upper end of the upper side reinforcing frame is inserted into the inner side of the middle connecting seat and is connected with the middle connecting seat through a bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, the fan setting in the inboard of guide duct, simultaneously with cross type frame screwed connection, be favorable to when using convenient gap to inboard enhancement support and upside enhancement frame plays good ventilation function to avoid inside affected by tide life.
2. The utility model discloses in, the upside reinforcing frame be provided with two, the upside reinforcing frame cross-section of the left and right sides is triangle-shaped, is favorable to increasing the fixed effect to this structure top when using.
3. The utility model discloses in, the guiding gutter set up in the inboard of L type mount, be favorable to conveniently collecting the water liquid that falls from the side overflow when using to derive water liquid to the outside from the guiding gutter.
4. The utility model discloses in, dust screen screw install both sides around the air duct, be favorable to avoiding the inboard that dust debris entered into the air duct when using to improve dustproof effect.
5. The utility model discloses in, the embedding of hourglass material net on the right side of horizontal board, be favorable to avoiding debris to follow and enter into the guiding gutter in and cause the jam to it when using.
6. The utility model discloses in, upside reinforcing frame upper end peg graft in the inboard of middle part connecting seat, simultaneously with middle part connecting seat bolted connection, be favorable to when using conveniently fixing the upper portion position of upside reinforcing frame.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the reinforcing bracket structure of the present invention.
Fig. 3 is a schematic structural diagram of the ventilation and heat dissipation frame structure of the present invention.
Fig. 4 is a schematic structural diagram of the bottom water guide frame structure of the present invention.
In the figure:
1. an outboard reinforcing brace; 2. an inner concrete layer; 3. an inboard reinforcing brace; 4. fixing the inserted rod; 5. an inner liner plate; 6. an outer pad plate; 7. a jack; 8. a reinforcing strut structure; 81. a longitudinal reinforcing frame; 82. an upper reinforcing frame; 83. a side strut; 84. a top plate; 85. a middle connecting seat; 9. a ventilation and heat dissipation frame structure; 91. mounting a plate; 92. an air duct; 93. a cross-shaped frame; 94. a fan; 95. a dust screen; 10. a bottom water guide frame structure; 101. an L-shaped fixing frame; 102. a set square; 103. a transverse plate; 104. a material leaking net; 105. a water chute; 11. a waterproof filler layer; 12. a channel; 13. and an outer concrete layer.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 and 2
The utility model provides a supporting structure for weak surrounding rock tunnel, including outside reinforcing bracket 1, inboard concrete layer 2, inboard reinforcing bracket 3, fixed inserted bar 4, inboard backing plate 5, outside backing plate 6, jack 7, strengthen the strut structure 8, ventilation cooling frame structure 9, bottom water guide frame structure 10, waterproof filling layer 11, passageway 12 and outside concrete layer 13, inboard concrete layer 2 set up in the inboard of outside reinforcing bracket 1; the inner side reinforcing bracket 3 is arranged on the inner side of the inner side concrete layer 2; the fixed inserting rod 4 is welded on the outer side of the inner side reinforcing support 3 and penetrates through the inserting hole 7 to be inserted on the north side of the outer concrete layer 13; the inner liner plate 5 is arranged on the inner side of the outer reinforcing bracket 1 and is arranged on the outer side of the fixed inserted rod 4; the outer side base plate 6 is arranged on the outer side of the outer side reinforcing bracket 1 and is sleeved on the outer side of the fixed inserted rod 4; the jacks 7 are respectively arranged on the outer sides of the outer reinforcing brackets 1; the reinforcing support frame structure 8 is arranged on the inner side of the inner side reinforcing bracket 3; the ventilation and heat dissipation frame structure 9 is arranged on the upper side of the reinforcing support frame structure 8; the bottom water guide frame structure 10 is embedded in the left side and the right side of the lower part of the waterproof filling layer 11; the waterproof filling layer 11 is arranged on the inner side of the inner side reinforcing bracket 3; the channel 12 is arranged on the inner side of the waterproof filling layer 11; the outer concrete layer 13 is arranged on the outer side of the outer reinforcing bracket 1; the reinforcing support frame structure 8 comprises a longitudinal reinforcing frame 81, an upper reinforcing frame 82, side supporting rods 83, a top plate 84 and a middle connecting seat 85, wherein the longitudinal reinforcing frame 81 is installed on the left side and the right side of the inside of the inner reinforcing support frame 3 through bolts; the upper reinforcing frame 82 is welded on the upper part of the longitudinal reinforcing frame 81; the side supporting rods 83 are respectively welded on the upper part of the upper reinforcing frame 82; the top plate 84 is welded on the upper side of the side supporting rod 83; the upside reinforcing frame 82 be provided with two, the upside reinforcing frame 82 cross-section of the left and right sides is triangle-shaped, can increase the fixed effect to this structure top when using, upside reinforcing frame 82 upper end peg graft in the inboard of middle part connecting seat 85, simultaneously with middle part connecting seat 85 bolted connection, conveniently fix the upper portion position of upside reinforcing frame 82 when using.
As shown in fig. 3, in the above embodiment, specifically, the ventilation and heat dissipation frame structure 9 includes a mounting plate 91, an air duct 92, a cross frame 93, a fan 94 and a dust screen 95, wherein the mounting plate 91 is bolted to the upper portion of the upper reinforcing frame 82; the air duct 92 is welded on the upper part of the mounting plate 91; the cross-shaped frame 93 is arranged at the front side and the rear side of the inside of the air duct 92 by bolts; the fan 94 is arranged on the inner side of the air duct 92 and is connected with the cross-shaped frame 93 through screws, when the dustproof net 95 is used, a good ventilation function is conveniently achieved for a gap between the inner side reinforcing frame 3 and the upper side reinforcing frame 82, the inner part is prevented from being affected with damp, the service life is prevented from being affected, the dustproof net 95 is installed on the front side and the rear side of the air duct 92 through screws, dust and sundries can be prevented from entering the inner side of the air duct 92 when the dustproof net is used, and the dustproof effect is improved.
As shown in fig. 4, in the above embodiment, specifically, the bottom water guiding frame structure 10 includes an L-shaped fixing frame 101, a triangular plate 102, a transverse plate 103, a material leaking net 104 and a water guiding groove 105, and the L-shaped fixing frame 101 is embedded in the left and right sides of the lower portion of the waterproof filling layer 11; the triangular plate 102 is welded on the upper part of the L-shaped fixing frame 101; the transverse plate 103 is mounted at the lower part of the upper surface of the L-shaped fixed frame 101 through screws; the water chute 105 is arranged on the inner side of the L-shaped fixing frame 101, so that water liquid flowing from the upper side can be conveniently collected when the L-shaped fixing frame is used, the water liquid can be conveniently led out from the water chute 105 to the outer side, the material leaking net 104 is embedded in the right side of the transverse plate 103, and sundries can be prevented from entering the water chute 105 along with the water chute 105 to block the water chute when the L-shaped fixing frame is used.
Principle of operation
The utility model discloses in the course of the work, usable fan 94 internal rotation in air duct 92 during use, so that with the leading-in gap of inboard reinforcing frame 3 and upside reinforcing frame 82 of outside air, perhaps with inboard reinforcing frame 3 and the leading-out to the outside of air in the upside reinforcing frame 82 gap, the realization is to the flow of air, utilize upside reinforcing frame 82 multiplicable fixed effect to upper portion in this structure, when water liquid falls along the inner wall of passageway 12 downflow, can fall to derive to the outside in the guiding gutter 105, water liquid utilizes when entering into in the guiding gutter 105 to leak material net 104 and filter it.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (9)
1. The supporting structure for the weak surrounding rock tunnel is characterized by comprising an outer side reinforcing support (1), an inner side concrete layer (2), an inner side reinforcing support (3), a fixed inserted bar (4), an inner side base plate (5), an outer side base plate (6), an inserting hole (7), a reinforcing support frame structure (8), a ventilation and heat dissipation frame structure (9), a bottom water guide frame structure (10), a waterproof filling layer (11), a channel (12) and an outer side concrete layer (13), wherein the inner side concrete layer (2) is arranged on the inner side of the outer side reinforcing support (1); the inner side reinforcing bracket (3) is arranged on the inner side of the inner side concrete layer (2); the fixed inserting rods (4) are welded on the outer side of the inner side reinforcing support (3) and penetrate through the inserting holes (7) to be inserted into the north side of the outer side concrete layer (13); the inner liner plate (5) is arranged on the inner side of the outer reinforcing bracket (1) and is arranged on the outer side of the fixed inserted bar (4) at the same time; the outer side base plate (6) is arranged on the outer side of the outer side reinforcing bracket (1) and is sleeved on the outer side of the fixed inserted rod (4) at the same time; the jacks (7) are respectively arranged on the outer sides of the outer reinforcing brackets (1); the reinforcing support frame structure (8) is arranged on the inner side of the inner reinforcing bracket (3); the ventilation and heat dissipation frame structure (9) is arranged on the upper side of the reinforcing support frame structure (8); the bottom water guide frame structure (10) is embedded in the left side and the right side of the lower part of the waterproof filling layer (11); the waterproof filling layer (11) is arranged on the inner side of the inner side reinforcing bracket (3); the channel (12) is arranged on the inner side of the waterproof filling layer (11); the outer concrete layer (13) is arranged on the outer side of the outer reinforcing bracket (1); the reinforcing support frame structure (8) comprises a longitudinal reinforcing frame (81), an upper reinforcing frame (82), side supporting rods (83), a top plate (84) and a middle connecting seat (85), wherein the longitudinal reinforcing frame (81) is installed on the left side and the right side of the inside of the inner reinforcing support frame (3) through bolts; the upper reinforcing frame (82) is welded at the upper part of the longitudinal reinforcing frame (81); the side supporting rods (83) are respectively welded on the upper part of the upper side reinforcing frame (82); the top plate (84) is welded on the upper side of the side supporting rod (83).
2. The supporting structure for the weak surrounding rock tunnel according to claim 1, wherein the ventilation and heat dissipation frame structure (9) comprises a mounting plate (91), an air duct (92), a cross frame (93), a fan (94) and a dust screen (95), the mounting plate (91) is bolted to the upper part of the upper reinforcing frame (82); the air guide cylinder (92) is welded on the upper part of the mounting plate (91); the cross-shaped frame (93) is installed on the front side and the rear side of the interior of the air guide cylinder (92) through bolts.
3. The supporting structure for the weak surrounding rock tunnel as claimed in claim 1, wherein the bottom water guiding frame structure (10) comprises L-shaped fixing frames (101), triangular plates (102), transverse plates (103), a material leaking net (104) and water guiding grooves (105), and the L-shaped fixing frames (101) are embedded at the left and right sides of the lower part of the waterproof filling layer (11); the triangular plate (102) is welded on the upper part of the L-shaped fixed frame (101); the transverse plate (103) is mounted at the lower part of the upper surface of the L-shaped fixed frame (101) through screws.
4. The supporting structure for a weak surrounding rock tunnel according to claim 2, wherein the fan (94) is provided inside the air guide duct (92) while being screw-coupled with the cross frame (93).
5. The supporting structure for a weak surrounding rock tunnel as claimed in claim 1, wherein the upper reinforcing frames (82) are provided in two, and the upper reinforcing frames (82) at the left and right sides have a triangular cross section.
6. A supporting structure for a weak surrounding rock tunnel according to claim 3, wherein the water chute (105) is opened at an inner side of the L-shaped fixing frame (101).
7. The supporting structure for a weak surrounding rock tunnel according to claim 2, wherein the dust screen (95) is installed at both front and rear sides of the air guide duct (92) by screws.
8. A supporting structure for a weak surrounding rock tunnel according to claim 3, characterized in that the screen (104) is embedded at the right side of the transverse plate (103).
9. The supporting structure for a weak surrounding rock tunnel as claimed in claim 1, wherein the upper end of the upper reinforcing frame (82) is inserted into the inside of the middle connection seat (85) while being bolted to the middle connection seat (85).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022095351.9U CN214836416U (en) | 2020-09-22 | 2020-09-22 | Supporting structure for weak surrounding rock tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022095351.9U CN214836416U (en) | 2020-09-22 | 2020-09-22 | Supporting structure for weak surrounding rock tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214836416U true CN214836416U (en) | 2021-11-23 |
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ID=78756492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022095351.9U Expired - Fee Related CN214836416U (en) | 2020-09-22 | 2020-09-22 | Supporting structure for weak surrounding rock tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214836416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738012A (en) * | 2022-05-19 | 2022-07-12 | 中铁十五局集团第五工程有限公司 | Supporting construction in weak country rock highway tunnel |
-
2020
- 2020-09-22 CN CN202022095351.9U patent/CN214836416U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738012A (en) * | 2022-05-19 | 2022-07-12 | 中铁十五局集团第五工程有限公司 | Supporting construction in weak country rock highway tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211123 |