CN210068176U - A strut and use buckled plate subassembly for tunnel - Google Patents
A strut and use buckled plate subassembly for tunnel Download PDFInfo
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- CN210068176U CN210068176U CN201920972951.3U CN201920972951U CN210068176U CN 210068176 U CN210068176 U CN 210068176U CN 201920972951 U CN201920972951 U CN 201920972951U CN 210068176 U CN210068176 U CN 210068176U
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- guide pipe
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Abstract
The utility model discloses a corrugated plate component for supporting a tunnel, wherein a water guide pipe in a drainer is segmented, so that the water guide pipe is convenient to be fixed with the corrugated plate during installation, and the blocked water guide pipe can be conveniently checked and disassembled for cleaning if the water guide pipe at a certain section is blocked at the later stage; the sectional type water guide pipe is not easy to break when the supporting plate is stressed by pressure; the heating belt in the water guide pipe can heat and insulate the water guide pipe, so that the water guide performance of the water guide pipe is ensured, the water guide pipe is prevented from being blocked, and the phenomenon that the rock wall of the tunnel outside the supporting and protecting plate is frozen and expanded can be prevented; the strengthening rib at reinforcing mesh middle part and the network structure that strengthening rib anchor bar all around formed, when the buckled plate received the pressure of cliff, can use earlier on the reinforcing mesh, and loop configuration's strengthening rib can make the concentrated atress dispersion of single anchor bar to other anchor bars, makes the whole even atress of reinforcing mesh alright with the whole even atress of messenger's buckled plate.
Description
Technical Field
The utility model relates to a tunnel engineering field especially relates to a strut and use buckled plate subassembly for tunnel.
Background
With the acceleration of traffic construction speed, tunnel culvert engineering has also been rapidly developed. The safety requirements are extremely high whether for railway tunnels, road tunnels or related culverts. Therefore, the supporting structure of the tunnel or culvert must satisfy the requirements of safety, reliability and durability. In the prior art, a concrete composite lining method is adopted to support a tunnel or a culvert. Generally, the primary support is mainly used for bearing all loads in the construction stage and the main loads in the operation stage. The secondary support is mainly used as a safety reserve and bears the load which is possibly deteriorated and acts on the secondary lining or the additional load caused by soft rock creep, environmental condition change and the like of the primary support; in cold areas or seasonal cold areas, the tunnel drainage system is easy to freeze and block, so that the tunnel drainage is not smooth, and further frost heaving, cracking, peeling, water leakage and other hazards are induced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a corrugated plate subassembly is used for strutting in tunnel that can in time drainage is provided, and prevents that drainage system from freezing and improving the support performance.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a corrugated plate assembly for supporting a tunnel comprises a supporting plate which supports the rock wall of the tunnel and is matched with the rock wall of the tunnel in shape, and a drainer which is positioned between the supporting plate and the rock wall of the tunnel; the two ends of the supporting plate are fixed with the tunnel, the supporting plate is formed by splicing a plurality of corrugated plates in the axial direction and the annular direction of the tunnel, the two ends of each corrugated plate in the axial direction are respectively fixed with a first flange which is outwards turned and is higher than the wave crest of the outer side, the two ends of each corrugated plate in the annular direction are respectively fixed with a second flange which is outwards turned and is higher than the wave crest of the outer side, the two corrugated plates which are adjacent in the axial direction are spliced by the aid of the first flanges and are fixed by bolts, a sealing gasket is fixed between the two butted first flanges, the two corrugated plates which are adjacent in the annular direction are spliced by the aid of the second flanges and are fixed by the bolts, the corrugated plates are fixed; a reinforcing net for improving the supporting performance of the supporting plate is fixed on the outer side of the corrugated plate; the drainer comprises a butt joint pipe, a water guide pipe, a water discharge pipe and a heating belt capable of heating and insulating the water guide pipe; the butt joint pipes penetrate through and are fixed at positions, corresponding to wave troughs of the corrugated plates, on the second flanges, and the two butt joint pipes on the two butted second flanges are mutually butted and fixed; the water guide pipe is positioned in the wave trough of the corrugated plate, the water guide pipe is butted and fixed with the butt joint pipe, a plurality of water inlet holes are formed in the water guide pipe, and a water permeable layer is coated on the outer surface of the water guide pipe; the butt joint pipe on the corrugated plate at the end part of the supporting plate at one end of the drainage pipe is butted and fixed, and the other end of the drainage pipe is communicated with the drainage groove in the tunnel; the heating belt penetrates through the inside of the water guide pipe; the reinforcing net comprises reinforcing ribs which are positioned in the middle of the corrugated plate and are of annular structures and anchor bars which extend and are fixed to the first flange and the second flange around the reinforcing ribs; the reinforcing ribs and the anchor ribs are in contact with wave crests of the corrugated plates.
The further technical scheme is as follows: the second flange is L-shaped, and the right-angle parts of the two second flanges at the butt joint positions of the two adjacent corrugated plates are in butt joint.
The further technical scheme is as follows: one of the two second flanges is fixed with a bolt, and the other flange is provided with a pin hole; two second flanges at the butt joint position of two adjacent corrugated plates, wherein the bolt of one second flange is arranged in the bolt hole of the other second flange in a penetrating manner.
The further technical scheme is as follows: the permeable layer is geotextile.
The further technical scheme is as follows: the heating belt is an electric tracing belt which penetrates into the water guide pipe from the opening of the water discharge pipe.
The further technical scheme is as follows: a plurality of support ribs are fixed on the inner side of the first flange.
The further technical scheme is as follows: the support rib is a right triangle, and two right-angle sides of the support rib are fixed with the first flange and the corrugated plate respectively.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
a sealing gasket is fixed between two first flanges butted by two adjacent corrugated plates, and the sealing gasket can prevent water from permeating through the connecting gap of the first flanges of the corrugated plates and ensure the waterproof performance of the supporting and protecting plate;
a drainer is arranged between the supporting and protecting plate and the tunnel rock wall, a water guide pipe with a water inlet hole is arranged in the trough of the corrugated plate in the drainer, water on the outer side of the supporting plate permeates through the permeable layer and then enters the water guide pipe from the water inlet hole and enters the water drainage groove in the tunnel through the water drainage pipe, so that the water on the outer side of the supporting plate can be drained in time, and the phenomenon that the tunnel rock wall is frozen and swelled and cracked due to the water gathering on the outer side of the supporting plate is prevented; the water permeable layer can prevent the water inlet holes from being blocked;
the water guide pipe in the drainer is segmented, each segment of water guide pipe corresponds to a corrugated plate and is butted with a butt joint pipe on the corrugated plate, so that the water guide pipe and the corrugated plate are convenient to fix when being installed, and the blocked water guide pipe can be conveniently checked and detached for cleaning when a certain segment of water guide pipe is blocked at the later stage; the sectional type water guide pipe is not easy to break when the supporting plate is stressed by pressure;
a heating belt penetrates through the inside of the water guide pipe, the heating belt can heat and insulate the water guide pipe, the water guide performance of the water guide pipe is guaranteed, the water guide pipe is prevented from being blocked, and the phenomenon that the rock wall of the tunnel on the outer side of the supporting and protecting plate is frozen and expanded can be prevented;
the buckled plate outside is fixed with the reinforcing mesh that improves supporting plate support performance, the strengthening rib at reinforcing mesh middle part and the network structure that strengthening rib anchor bar all around formed, the buckled plate receives the pressure of cliff, can use earlier on the reinforcing mesh, the strengthening rib of loop configuration can make the concentrated atress dispersion of single anchor bar to other anchor bars, make the whole even atress of reinforcing mesh alright make the whole even atress of buckled plate, form powerful with the concrete after later stage construction is accomplished and strut, supporting plate has strengthened supporting performance under the effect of reinforcing mesh.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the outside of the corrugated plate according to the present invention;
fig. 3 is a schematic structural view of the inside of the corrugated plate according to the present invention;
fig. 4 is a schematic structural view of the drainer of the present invention;
fig. 5 is a schematic structural view of the two adjacent corrugated plates and the reinforcing mesh of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 to 5, a corrugated plate assembly for supporting a tunnel comprises a supporting plate 2 supporting a tunnel rock wall 1 and having a shape matched with that of the supporting plate and a drainer 3 positioned between the supporting plate 2 and the tunnel rock wall 1; the two ends of the supporting and protecting plate 2 are fixed with the tunnel, the supporting and protecting plate 2 is formed by splicing a plurality of corrugated plates 21 in the axial direction and the circumferential direction of the tunnel, the two ends of each corrugated plate 21 in the axial direction are respectively fixed with a first flange 22 which is outwards turned and is higher than the wave crest of the outer side, the two ends of each corrugated plate 21 in the circumferential direction are respectively fixed with a second flange 24 which is outwards turned and is higher than the wave crest of the outer side, the two axially adjacent corrugated plates 21 are spliced by the aid of the first flanges 22 and are fixed by bolts, a sealing gasket 23 is fixed between the two butted first flanges 22, the two annularly adjacent corrugated plates 21 are spliced by the aid of the second flanges 24 and are fixed by bolts, the corrugated plates 21 are fixed with the tunnel rock wall 1 by the aid; and a reinforcing net 26 for improving the supporting performance of the supporting plate 2 is fixed on the outer side of the corrugated plate 21.
As shown in fig. 1, in the implementation, there is generally a concrete lining layer on the inner wall of the tunnel, when installing the support guard plate 2, firstly, a waterproof layer is arranged on the concrete lining layer to form the tunnel rock wall 1, which is the prior art, then, the support guard plate 2 is arranged on the waterproof layer, a plurality of corrugated plates 21 are fixed by bolts through the second flange 24 in the circumferential direction of the tunnel, a sealing gasket 23 is arranged between two first flanges 22 in the axial direction of the tunnel and then fixed by bolts, each corrugated plate 21 is fixed with the tunnel rock wall 1 through an anchor rod, the anchor rod penetrates through the corrugated plate 21 and then is driven into the tunnel rock wall 1, the sealing gasket 23 can be made of rubber, the support guard plate 2 for supporting the tunnel rock wall 1 can be formed until the corrugated plate 21 is fully paved on the whole tunnel, and then, concrete is injected between the support guard plate 2 and the tunnel rock wall 1 through the grouting hole.
The supporting and protecting plate 2 is formed by splicing a plurality of corrugated plates 21 in the axial direction and the annular direction of the tunnel, and the formed supporting and protecting plate 2 can support the tunnel after being fixed on the rock wall 1 of the tunnel; be fixed with sealed pad 23 between two first flanges 22 of two adjacent buckled plate 21 docks, sealed pad 23 can prevent that water from permeating the joint gap of the first flange 22 of buckled plate 21, guarantees the waterproof performance of a backplate 2.
As shown in fig. 2 and 4, the drainer 3 includes a butt pipe 31, a water conduit 32, a water discharge pipe 33, and a heating belt 34 capable of heating and insulating the water conduit 32; the butt joint pipe 31 penetrates through and is fixed at the position, corresponding to the wave trough of the corrugated plate 21, on the second flange 24, and the two butt joint pipes 31 on the two butted second flanges 24 are mutually butted and fixed; the water guide pipe 32 is positioned in a wave trough of the corrugated plate 21, the water guide pipe 32 is butted and fixed with the butt joint pipe 31, a plurality of water inlet holes 35 are formed in the water guide pipe 32, and a water permeable layer 36 is coated on the outer surface of the water guide pipe 32; the butt joint pipe 31 on the corrugated plate at the end part of the support and protection plate 2 at one end of the drain pipe 33 is butted and fixed, and the other end of the drain pipe is communicated with a drain tank in the tunnel; the heating belt 34 is inserted into the water guide pipe 32.
The water guide pipe 32 is in a sectional type, when the corrugated plate 21 is installed, the water guide pipe 32 with the water inlet holes 35 and the water permeable layer 36 is arranged in the wave troughs on the outer sides of the corrugated plate 21, then the two ends of the water guide pipe 32 are butted with the butt joint pipes 31 on the corrugated plate 21, when the corrugated plates 21 are butted in the annular direction, the two butt joint pipes 31 at the butted positions are butted and fixed, after the corrugated plate 21 in the annular direction of the tunnel is fully paved, the drain pipe 33 is butted and fixed with the butt joint pipes 31 on the corrugated plate 21 at the end part, and then is communicated with; the heating belt 34 may be inserted into the water guiding pipe 32 when the corrugated plate 21 is installed, or the heating belt 34 may be inserted into the water guiding pipe 32 by means of a threader in the prior art after the corrugated plate 21 in the circumferential direction of the tunnel is fully paved; the heating belt 34 may be an electric tracing belt or a steam tracing belt.
A drainer 3 is arranged between the supporting and protecting plate 2 and the tunnel rock wall 1, a water guide pipe 32 with a water inlet hole 35 is arranged in the trough of the corrugated plate 21 in the drainer 3, water on the outer side of the supporting and protecting plate 2 seeps through the permeable layer 36, then enters the water guide pipe 32 from the water inlet hole 35 and enters the water discharge tank 4 in the tunnel through the water discharge pipe 33, water on the outer side of the supporting and protecting plate 2 can be discharged in time, and the phenomenon that the water is gathered on the outer side of the supporting and protecting plate 2 to cause the frost cracking of the tunnel rock wall 1 is prevented; the water permeable layer 36 can prevent the water inlet holes 35 from being blocked; the water guide pipe 32 in the drainer 3 is segmented, each segment of water guide pipe 32 corresponds to one corrugated plate 21 and is butted with the butt joint pipe 31 on the corrugated plate 21, so that the water guide pipe 32 and the corrugated plate 21 are conveniently fixed during installation, and the blocked water guide pipe 32 is conveniently checked and removed for cleaning in case that the water guide pipe 32 at a certain segment is blocked in the later period; furthermore, the sectional conduit 32 is not easily broken when the backup plate 2 is pressed.
The reinforcing mesh 26 comprises a reinforcing rib 161 which is located in the middle of the corrugated plate 21 and has a ring-shaped structure, and an anchor rib 162 which extends and is fixed to the first flange 22 and the second flange 24 around the reinforcing rib 161; the reinforcing ribs 161 and the anchor ribs 162 are in contact with the wave crests of the corrugated plate 21.
After the water conduit 32 is installed on a single corrugated plate 21, the end portions of the anchor bars 162 on the reinforcing mesh 26 are welded and fixed to the first flange 22 or the second flange 24, the reinforcing mesh 26 is prefabricated, specifically, the anchor bars 162 are fixed around the annular reinforcing ribs 161 along the radial direction, and the reinforcing mesh 26 is attached to the wave crests of the corrugated plate 21.
The buckled plate 21 outside is fixed with the reinforcing mesh 26 that improves 2 support performance of fender, the strengthening rib 161 at reinforcing mesh 26 middle part and the network structure that strengthening rib 161 anchor bar 162 all around formed, when buckled plate 21 received the pressure of cliff, can use earlier on the reinforcing mesh 26, loop configuration's strengthening rib 161 can make the concentrated atress dispersion of single anchor 162 muscle to other anchor bars 162, make the whole even atress of reinforcing mesh 26 alright make the whole even atress of buckled plate 21, after the later stage construction is accomplished, form powerful with the concrete and strut, the fender board 2 has strengthened support performance under the effect of reinforcing mesh.
The second flange 24 is "L" type, and the right angle position butt joint of two second flanges 24 of adjacent two buckled plate 21 butt joint positions can improve its joint strength through this structure butt joint, and the right angle position butt joint of second flange 24 can also play sealed effect.
One of the two second flanges 24 of the corrugated plate 21 is fixed with a bolt 141, and the other flange is provided with a pin hole 142; two second flanges 24 of two adjacent buckled plate 21 butt joint positions, wherein, in the pinhole 142 of another second flange 24 is worn to locate by the bolt 141 of a second flange 24, can improve its stability of butt joint through this connection structure, guarantee that two butt joint pipes 31 of two buckled plate 21 butt joint positions connect stably.
The permeable layer 36 is geotextile, which has high strength, can keep sufficient strength and elongation in a dry and wet state, has good water permeability, and has good water permeability because of gaps among fibers.
The heating belt 34 is an electric tracing belt which penetrates into the water guide pipe 32 from the opening of the water discharge pipe 33, and the electric tracing belt is connected with electric tracing equipment to convert electric energy into heat energy so as to supplement the heat lost by the water guide pipe 32.
As shown in fig. 3, a plurality of support ribs 121 are fixed inside the first flange 22, and the support ribs 121 can improve the connection strength of the two corrugated plates 21 after being connected by the first flange 22, so that the support performance of the support plate 2 is better.
The brace rod 121 is a right triangle, two right-angle sides of the brace rod are fixed with the first flange 22 and the corrugated plate 21 respectively, and the stable triangular structure further improves the strength of the first flange 22 and further improves the strength of the supporting plate 2.
The above is only the preferred embodiment of the present invention, and any person can make some simple modifications, deformations and equivalent replacements according to the present invention, all fall into the protection scope of the present invention.
Claims (7)
1. The utility model provides a strut and use buckled plate subassembly for tunnel which characterized in that: the tunnel wall drainage device comprises a supporting plate (2) which supports the tunnel rock wall (1) and is matched with the tunnel rock wall in shape, and a drainer (3) which is positioned between the supporting plate (2) and the tunnel rock wall (1);
the tunnel wall support structure is characterized in that two ends of the support protection plate (2) are fixed with a tunnel, the support protection plate (2) is formed by splicing a plurality of corrugated plates (21) in the axial direction and the circumferential direction of the tunnel, first flanges (22) which are outwards turned and higher than outside wave crests are fixed at two axial ends of each corrugated plate (21), second flanges (24) which are outwards turned and higher than the outside wave crests are fixed at two circumferential ends of each corrugated plate, two axially adjacent corrugated plates (21) are spliced by virtue of the first flanges (22) and fixed by bolts, a sealing gasket (23) is fixed between the two butted first flanges (22), two annularly adjacent corrugated plates (21) are spliced by virtue of the second flanges (24) and fixed by bolts, the corrugated plates (21) are fixed with the tunnel wall (1) by virtue of anchor rods, and grouting holes (25) are formed in the corrugated plates (21); a reinforcing net (26) for improving the supporting performance of the supporting and protecting plate (2) is fixed on the outer side of the corrugated plate (21);
the drainer (3) comprises a butt joint pipe (31), a water guide pipe (32), a drain pipe (33) and a heating belt (34) capable of heating and insulating the water guide pipe (32); the butt joint pipes (31) penetrate through and are fixed at positions, corresponding to wave troughs of the corrugated plates (21), on the second flanges (24), and the butt joint pipes (31) on the two butted second flanges (24) are mutually butted and fixed; the water guide pipe (32) is positioned in a wave trough of the corrugated plate (21), the water guide pipe (32) is butted and fixed with the butt joint pipe (31), a plurality of water inlet holes (35) are formed in the water guide pipe (32), and a water permeable layer (36) is coated on the outer surface of the water guide pipe (32); the butt joint pipe (31) on the corrugated plate at the end part of the supporting plate (2) at one end of the drain pipe (33) is in butt joint and fixed, and the other end of the drain pipe is communicated with a drain tank in the tunnel; the heating belt (34) is arranged in the water guide pipe (32) in a penetrating way;
the reinforcing net (26) comprises reinforcing ribs (161) which are positioned in the middle of the corrugated plate (21) and are of annular structures, and anchor bars (162) which extend and are fixed on the first flange (22) and the second flange (24) in the circumferential direction of the reinforcing ribs (161); the reinforcing ribs (161) and the anchor ribs (162) are in wave crest contact with the corrugated plates (21).
2. A corrugated plate assembly for support of a tunnel according to claim 1, wherein: the second flanges (24) are L-shaped, and the right-angle parts of the two second flanges (24) at the butt joint positions of the two adjacent corrugated plates (21) are in butt joint.
3. A corrugated plate assembly for support of a tunnel according to claim 1 or 2, wherein: one of the two second flanges (24) on the corrugated plate (21) is fixed with a bolt (141), and the other flange is provided with a pin hole (142); two second flanges (24) at the butt joint position of two adjacent corrugated plates (21), wherein a bolt (141) of one second flange (24) is arranged in a pin hole (142) of the other second flange (24) in a penetrating way.
4. A corrugated plate assembly for support of a tunnel according to claim 1, wherein: the permeable layer (36) is geotextile.
5. A corrugated plate assembly for support of a tunnel according to claim 1, wherein: the heating belt (34) is an electric tracing belt which penetrates into the water guide pipe (32) from the opening of the water discharge pipe (33).
6. A corrugated plate assembly for support of a tunnel according to claim 1, wherein: a plurality of support ribs (121) are fixed on the inner side of the first flange (22).
7. A corrugated plate assembly for support of a tunnel according to claim 6, wherein: the support rib (121) is a right triangle, and two right-angle sides of the support rib are respectively fixed with the first flange (22) and the corrugated plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920972951.3U CN210068176U (en) | 2019-06-26 | 2019-06-26 | A strut and use buckled plate subassembly for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920972951.3U CN210068176U (en) | 2019-06-26 | 2019-06-26 | A strut and use buckled plate subassembly for tunnel |
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| Publication Number | Publication Date |
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| CN210068176U true CN210068176U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920972951.3U Active CN210068176U (en) | 2019-06-26 | 2019-06-26 | A strut and use buckled plate subassembly for tunnel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392504A (en) * | 2020-11-17 | 2021-02-23 | 同济大学 | Self-waterproof corrugated steel plate lining structure for tunnel |
| CN118223908A (en) * | 2024-03-12 | 2024-06-21 | 中铁西北科学研究院有限公司 | Cold region tunnel freeze-proof device |
| CN118223908B (en) * | 2024-03-12 | 2024-10-29 | 中铁西北科学研究院有限公司 | Cold region tunnel freeze-proof device |
-
2019
- 2019-06-26 CN CN201920972951.3U patent/CN210068176U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392504A (en) * | 2020-11-17 | 2021-02-23 | 同济大学 | Self-waterproof corrugated steel plate lining structure for tunnel |
| CN118223908A (en) * | 2024-03-12 | 2024-06-21 | 中铁西北科学研究院有限公司 | Cold region tunnel freeze-proof device |
| CN118223908B (en) * | 2024-03-12 | 2024-10-29 | 中铁西北科学研究院有限公司 | Cold region tunnel freeze-proof device |
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Effective date of registration: 20211209 Address after: 053000 No. 18, rubber road, high tech Zone, Hengshui City, Hebei Province Patentee after: HENGSHUI QIJIA ENGINEERING MATERIALS Co.,Ltd. Patentee after: KUNMING SURVEY DESIGN AND RESEARCH INSTITUTE Co.,Ltd. OF CREEC Patentee after: Li Chuanlin Patentee after: Che Wenqing Patentee after: Sun Xiwang Patentee after: Yao Zhiguo Patentee after: Zhang Dunbao Address before: 053000 No. 18 Rubber Road, North Industrial Park, Taocheng District, Hengshui City, Hebei Province Patentee before: HENGSHUI QIJIA ENGINEERING MATERIALS Co.,Ltd. |