CN212428853U - Shock insulation formula tunnel concrete section of jurisdiction - Google Patents
Shock insulation formula tunnel concrete section of jurisdiction Download PDFInfo
- Publication number
- CN212428853U CN212428853U CN202022239105.6U CN202022239105U CN212428853U CN 212428853 U CN212428853 U CN 212428853U CN 202022239105 U CN202022239105 U CN 202022239105U CN 212428853 U CN212428853 U CN 212428853U
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- China
- Prior art keywords
- tunnel
- concrete
- shock insulation
- concrete segment
- damping
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- Expired - Fee Related
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- 239000004567 concrete Substances 0.000 title claims abstract description 103
- 230000035939 shock Effects 0.000 title claims abstract description 57
- 238000009413 insulation Methods 0.000 title claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 238000013016 damping Methods 0.000 claims abstract description 50
- 238000003466 welding Methods 0.000 claims description 4
- 239000010960 cold rolled steel Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims 2
- 239000003822 epoxy resin Substances 0.000 claims 1
- 229920000647 polyepoxide Polymers 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 241000446313 Lamella Species 0.000 abstract 3
- 238000002955 isolation Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000004841 bisphenol A epoxy resin Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 239000011378 shotcrete Substances 0.000 description 2
- 239000003190 viscoelastic substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a shock insulation formula tunnel concrete section of jurisdiction, including concrete segment and preliminary bracing steel bow member, the concrete segment is whole to be the arc, installs in the preliminary bracing steel bow member inboard, and the concrete segment includes that two tunnel side wall concrete segments and a tunnel crown arch concrete segment, tunnel side wall concrete segment and tunnel crown arch concrete segment are barrel hollow structure, all be provided with steel sheet and shock insulation damping constitutional unit in tunnel side wall concrete segment and the tunnel crown arch concrete segment, shock insulation damping constitutional unit includes viscoelastic damping board and intermediate lamella, and the steel sheet is located shock insulation damping constitutional unit's center, and two intermediate lamellas are located the steel sheet both sides respectively, and two viscoelastic damping boards are located the outside of intermediate lamella respectively. The utility model discloses carry out tunnel overall structure's shock insulation to the tunnel in high earthquake damage area. Various facilities in the tunnel are protected, and the service life of the tunnel is prolonged.
Description
Technical Field
The utility model relates to a tunnel especially relates to a shock insulation formula tunnel concrete section of jurisdiction.
Background
At present, the shock insulation and absorption technology in the field of house buildings in China tends to be formed gradually, but the prior stage of the shock insulation and absorption technology of underground buildings needs to be improved. With the rapid development of national economy, urban traffic also develops rapidly, and tunnels are key facilities for road and railway traffic maintenance. The shock absorption and shock isolation system of the tunnel mainly depends on the strength and rigidity of primary support and secondary lining, the safety of the tunnel can be met in the prior art in some areas with low earthquake damage and low earthquake intensity, but in some areas with high earthquake damage and high earthquake intensity, the shock absorption and shock isolation design needs to be carried out on the tunnel structure so as to ensure the safety of lives and properties of people.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shock insulation formula tunnel concrete section of jurisdiction has simple structure, safe and reliable's characteristics, can effectually solve high seismic damage area tunnel shock insulation absorbing problem.
In order to solve the technical problem existing in the above, the utility model discloses a technical scheme as follows:
a shock insulation type tunnel concrete segment comprises a concrete segment and a primary support steel arch frame, wherein the concrete segment is integrally arc-shaped and is arranged on the inner side of the primary support steel arch frame, the concrete segment comprises two tunnel side wall concrete segments and a tunnel top arch concrete segment, the tunnel top arch concrete segments are positioned at tunnel top arches, the two tunnel side wall concrete segments are respectively arranged at two sides of the tunnel top arch concrete segments and positioned at side walls at two sides of a tunnel, the tunnel side wall concrete segments and the tunnel top arch concrete segments are both of a cylindrical hollow structure, steel plates and shock insulation damping structural units are respectively arranged in the tunnel side wall concrete segments and the tunnel top arch concrete segments, each shock insulation damping structural unit comprises a viscoelastic damping plate and a middle plate, the steel plates are positioned at the centers of the shock insulation damping structural units, the two middle plates are respectively positioned at two sides of the steel plates, the two viscoelastic damping plates are respectively positioned on the outer sides of the middle plate.
Furthermore, the tunnel side wall concrete segment and the tunnel top arch concrete segment are connected through steel plate welding.
Further, tunnel side wall concrete section of jurisdiction is single barrel construction, is provided with a shock insulation damping constitutional unit and a steel sheet in it, and the one end that the tunnel top arch concrete section of jurisdiction was kept away from to the steel sheet flushes with shock insulation damping constitutional unit, and the shock insulation damping constitutional unit is stretched out to the one end that the steel sheet is close to the tunnel top arch concrete section of jurisdiction.
Furthermore, the tunnel crown concrete segment is of a multi-cylinder structure, a plurality of shock insulation damping structural units and a steel plate are arranged in the cylinder, and the steel plate sequentially penetrates through the shock insulation damping structural units and extends out of two ends of the shock insulation damping structural units.
Furthermore, the concrete pipe piece is fixed on the concrete spraying of the primary support steel arch frame through steel nails.
Furthermore, the middle plate is made of an ABS plate; the viscoelastic damping plate is made of bisphenol A epoxy resin, the steel plate is made of SPCC cold-rolled steel plate, and the concrete is C30 waterproof concrete.
The utility model has the advantages and beneficial effects that:
the utility model relates to a shock insulation formula tunnel concrete section of jurisdiction's shock insulation effect is more reliable, utilizes viscoelastic material's deformation and hysteretic energy dissipation effect to the energy dissipation of earthquake input among the shock insulation damping constitutional unit to increase structural damping, reach the purpose of shock insulation. The viscoelastic material not only stores energy but also consumes energy, and can delay the structural deformation. The shock insulation damping structure unit can provide larger damping, bear the energy released by earthquake, and effectively limit the displacement of primary support and secondary lining of the tunnel so as to achieve the purpose of shock insulation, thereby forming a comprehensive tunnel shock insulation system with strong integrity and carrying out shock insulation of the whole structure of the tunnel for the tunnel in a high earthquake damage area. Various facilities in the tunnel are protected, and the service life of the tunnel is prolonged.
Drawings
The present invention will be described in detail with reference to the following drawings and examples:
FIG. 1 is a schematic view of the overall structure of a shock insulation type tunnel concrete segment;
FIG. 2 is a schematic view of a seismic isolation damping structure unit;
FIG. 3 is a schematic view of a concrete segment connected to a shotcrete;
FIG. 4 is an overall schematic view of a tunnel crown concrete segment;
FIG. 5 is a schematic view of the whole concrete segment of the side wall of the tunnel.
In fig. 1: 1 is a concrete segment; 2 is a viscoelastic damping plate; 3 is a middle plate; 4 is a steel plate; 5 is a shock insulation damping unit; 6, primary support rigid arch centering; 7 is a concrete segment of the side wall of the tunnel; 8 is a tunnel crown concrete segment; 9 steel plate welding points; 10, spraying concrete on the primary support steel arch frame; 11 are steel nails.
Detailed Description
For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.
As shown in fig. 1, the utility model relates to a shock insulation formula tunnel concrete section of jurisdiction, including concrete section of jurisdiction 1 and preliminary bracing steel bow member 6, concrete section of jurisdiction 1 wholly is the arc, installs in the 6 inboards of preliminary bracing steel bow member, concrete section of jurisdiction 1 includes two tunnel side wall concrete sections 7 and a tunnel crown arch concrete section of jurisdiction 8, and tunnel crown arch concrete section of jurisdiction 8 is located tunnel crown arch department, and two tunnel side wall concrete sections 7 set up respectively in the both sides of tunnel crown arch concrete section of jurisdiction 8 and lie in the side wall department of tunnel both sides, tunnel side wall concrete section of jurisdiction 7 and tunnel crown arch concrete section of jurisdiction 8 are barrel hollow structure, all be provided with steel sheet and shock insulation damping constitutional unit 5 in tunnel concrete section of jurisdiction 7 and the tunnel crown arch concrete section of jurisdiction 8.
As shown in fig. 2, the seismic isolation damping structural unit 5 includes viscoelastic damping plates 2 and middle plates 3, the steel plate is located in the center of the seismic isolation damping structural unit 5, the two middle plates 3 are respectively located on two sides of the steel plate 4, and the two viscoelastic damping plates 2 are respectively located on the outer sides of the middle plates.
As shown in fig. 5, the tunnel side wall concrete segment 7 is of a single-cylinder structure, a shock insulation damping structure unit and a steel plate are arranged in the single-cylinder structure, one end, away from the tunnel crown concrete segment, of the steel plate is flush with the shock insulation damping structure unit, and one end, close to the tunnel crown concrete segment, of the steel plate extends out of the shock insulation damping structure unit. Compared with the common steel plate concrete side wall segment, the structure has lighter dead weight, higher strength and better stability, and can resist larger lateral soil pressure.
As shown in fig. 4, the tunnel crown concrete segment 8 is of a multi-cylinder structure, a plurality of shock insulation damping structural units and a steel plate are arranged in the cylinder, and the steel plate sequentially penetrates through the shock insulation damping structural units and extends out of two ends of the shock insulation damping structural units. A plurality of shock insulation damping structure units 5 are arranged in the barrel, so that the shock insulation performance of the barrel is better, and larger vertical load can be resisted. The steel plates 4 respectively penetrate through the tunnel side wall concrete segment 7 and the tunnel top arch concrete segment 8 to form steel plate concrete. The steel plate concrete structure can increase the structural strength of the concrete pipe sheet. The steel plates at the two ends of the tunnel crown concrete segment 8 are welded with the steel plates at the two ends of the tunnel side wall concrete segment 7, and the steel plate welding points 9 are formed at the joints.
As shown in fig. 3, the concrete segment 1 is fixed on the shotcrete 10 of the preliminary bracing steel arch 6 by steel nails 11.
The middle plate 3 is made of an ABS plate, and the middle plate is high in durability and impact resistance; the viscoelastic damping plate 2 is made of bisphenol A epoxy resin, the steel plate 4 is made of SPCC cold-rolled steel plate, and the concrete is C30 waterproof concrete.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a shock insulation formula tunnel concrete section of jurisdiction which characterized in that: the shock insulation and damping concrete tunnel comprises a concrete pipe piece (1) and a primary support steel arch frame (6), wherein the concrete pipe piece (1) is integrally arc-shaped and is arranged on the inner side of the primary support steel arch frame (6), the concrete pipe piece (1) comprises two tunnel side wall concrete pipe pieces (7) and one tunnel top arch concrete pipe piece (8), the tunnel top arch concrete pipe piece (8) is positioned at the tunnel top arch, the two tunnel side wall concrete pipe pieces (7) are respectively arranged at the two sides of the tunnel top arch concrete pipe piece (8) and positioned at the side walls at the two sides of the tunnel, the tunnel side wall concrete pipe pieces (7) and the tunnel top arch concrete pipe pieces (8) are both of a cylindrical hollow structure, steel plates and shock insulation and damping structural units (5) are respectively arranged in the tunnel side wall concrete pipe pieces (7) and the tunnel top arch concrete pipe pieces (8), each shock insulation and damping structural unit (5) comprises a viscoelastic damping plate (2) and an intermediate plate (3), the steel plate is positioned in the center of the shock insulation damping structural unit (5), the two middle plates (3) are respectively positioned on two sides of the steel plate (4), and the two viscoelastic damping plates (2) are respectively positioned on the outer sides of the middle plates.
2. The shock-isolated tunnel concrete segment of claim 1, wherein: and the tunnel side wall concrete segment (7) and the tunnel top arch concrete segment (8) are connected through steel plate welding.
3. The shock-isolated tunnel concrete segment of claim 1, wherein: the tunnel side wall concrete segment (7) is of a single-cylinder structure, a shock insulation damping structural unit and a steel plate are arranged in the single-cylinder structure, one end, far away from the tunnel top arch concrete segment, of the steel plate is flush with the shock insulation damping structural unit, and the shock insulation damping structural unit is extended out of one end, close to the tunnel top arch concrete segment, of the steel plate.
4. The shock-isolated tunnel concrete segment of claim 1, wherein: the tunnel crown concrete segment (8) is of a multi-cylinder structure, a plurality of shock insulation damping structural units and a steel plate are arranged in the cylinder, and the steel plate sequentially penetrates through the shock insulation damping structural units and extends out of two ends of the shock insulation damping structural units.
5. The shock-isolated tunnel concrete segment of claim 1, wherein: the concrete pipe piece (1) is fixed on the concrete spraying (10) of the primary support steel arch frame (6) through steel nails (11).
6. The shock-isolated tunnel concrete segment of claim 1, wherein: the middle plate (3) is made of an ABS plate; the viscoelastic damping plate (2) is bisphenol A type epoxy resin, the steel plate (4) is an SPCC cold-rolled steel plate, and the concrete is C30 waterproof concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022239105.6U CN212428853U (en) | 2020-10-10 | 2020-10-10 | Shock insulation formula tunnel concrete section of jurisdiction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022239105.6U CN212428853U (en) | 2020-10-10 | 2020-10-10 | Shock insulation formula tunnel concrete section of jurisdiction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212428853U true CN212428853U (en) | 2021-01-29 |
Family
ID=74280024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022239105.6U Expired - Fee Related CN212428853U (en) | 2020-10-10 | 2020-10-10 | Shock insulation formula tunnel concrete section of jurisdiction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212428853U (en) |
-
2020
- 2020-10-10 CN CN202022239105.6U patent/CN212428853U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Shenyu Inventor after: Zhang Yannian Inventor after: Zhang Weifeng Inventor after: Liu Bainan Inventor after: Song Yansheng Inventor after: Gu Xiaowei Inventor after: Zhu Zhenguo Inventor after: Wang Hongyu Inventor after: Wang Fengdan Inventor before: Zhang Yannian Inventor before: Liu Bainan Inventor before: Song Yansheng |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210129 |