CN111140259A - Large-span frame shed tunnel structure and top plate structure thereof - Google Patents
Large-span frame shed tunnel structure and top plate structure thereof Download PDFInfo
- Publication number
- CN111140259A CN111140259A CN202010039390.9A CN202010039390A CN111140259A CN 111140259 A CN111140259 A CN 111140259A CN 202010039390 A CN202010039390 A CN 202010039390A CN 111140259 A CN111140259 A CN 111140259A
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- shed tunnel
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- side wall
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- 230000001681 protective effect Effects 0.000 claims abstract description 12
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 6
- 239000011435 rock Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
- E21D11/152—Laggings made of grids or nettings
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a top plate structure of a large-span frame shed tunnel structure, which comprises an upper plate, wherein a lower plate is arranged below the upper plate, and a plurality of middle-layer columns are arranged between the lower plate and the upper plate; a protective net is arranged on the longitudinal beam of the lower layer plate; a panel is arranged on the longitudinal beam of the upper plate; the direction is set along the route, be provided with the movement joint on the panel, the interval between two adjacent movement joints is not less than 20 meters. The roof structure adopted by the invention improves the disaster prevention capability of the road, the double-layer frame structure and the flexible protective net can obviously improve the energy dissipation effect, effectively improve the disaster resistance capability of the shed tunnel, simultaneously improve the span of the shed tunnel, realize the span of 20 meters or more, increase the distance between the piles and the columns outside the shed tunnel, and ensure that some shed tunnels cannot be arranged at the shed tunnel due to the limited span and terrain.
Description
Technical Field
The invention relates to the technical field of rockfall protection, in particular to a large-span frame shed tunnel structure and a roof plate structure thereof.
Background
In recent years, more and more mountain roads are planned and constructed. Road grade is also higher and higher, not only need satisfy the traffic, also need satisfy simultaneously that pedestrian, non-motor pass through, leads to tunnel width more and more wide, and its tunnel roof is also thicker and thicker thereupon, and traditional roof is T roof beam, uniform cross section rectangular cross section or rib plate structure, leads to the tunnel cost high.
Most of the mountain roads are near the river on one side and near the mountain on the other side, and the mountain height is steep. The method is characterized in that falling rocks are easily induced in the natural weathering and human activities, roads cannot be avoided due to the influences of terrain, geology, construction cost and the like, and must pass through the area, and shed holes are used as tunnels in the open cut tunnel category, so that the method is a very effective method for solving the geological disasters.
However, the hangar tunnel is often a passive disaster prevention structure, and the disaster prevention capability is one of the key design technologies. Traditional shed tunnel roof is T roof beam, floor structure, and the effect of energy dissipation is poor, and is weak to the protective capacities of falling rocks, and its limited span also backs on the back with wideer tunnel demand simultaneously.
Disclosure of Invention
The invention aims to provide a large-span frame shed tunnel structure and a top plate structure thereof, which are used for solving the problems of poor energy dissipation effect and weak protection capability of a shed tunnel in the prior art, and achieving the purpose of improving the disaster prevention capability of the shed tunnel and further increasing the span of the shed tunnel.
The invention is realized by the following technical scheme:
the top plate structure of the large-span frame shed tunnel structure comprises an upper plate, a lower plate is further arranged below the upper plate, and a plurality of middle-layer columns are arranged between the lower plate and the upper plate.
In the prior art, the shed tunnel roof is of a T-beam and rib plate structure, the energy dissipation effect is poor, and the protection capability on falling rocks is weak. It is for this reason that the span of the shed tunnel is limited. Therefore, there is a need to improve the existing shed tunnel structure to improve the disaster prevention capability thereof, thereby increasing the span of the shed tunnel.
The invention improves the roof structure of the traditional shed tunnel structure. Specifically, the top plate structure adopts an upper layer frame structure and a lower layer frame structure, and the longitudinal beams of the upper layer plate and the lower layer plate are provided with middle-layer columns for connecting the upper layer plate and the lower layer plate. The double-layer structure has strong protection energy level, and the span of the shed tunnel can be 20 meters or more.
Further, a protective net is arranged on the longitudinal beam of the lower plate. The flexible protective net has certain ductility, and when falling rocks puncture roof superstructure and fall down on the plywood, the secondary protection can be carried out to the flexible protective net. The energy level of the flexible protective net is determined according to the size of falling rocks of the slope body.
Furthermore, a panel is arranged on the longitudinal beam of the upper plate. The panel is used for forming primary protection, and for the protection network, the rigidity of panel is higher, can reduce the impact of falling rocks by a wide margin. After the falling rocks are decelerated by the panel, when the falling rocks fall on the flexible protective net, the impact on the flexible protective net is greatly weakened.
Furthermore, the direction is arranged along the route, deformation joints and the distance between every two adjacent deformation joints are arranged on the panel. In some embodiments, the panel may also be provided with deformation joints according to the structure of the lower plate.
Furthermore, the longitudinal and transverse beam structure of the upper plate and the longitudinal and transverse beam structure of the lower plate are rectangular or rhombic.
Furthermore, the upper plate, the lower plate and the middle layer column are of a reinforced concrete structure or a steel structure.
The invention also provides a large-span frame shed tunnel structure, which comprises an outer side frame, an inner side wall and a top plate structure, wherein two ends of the top plate structure are respectively connected with the top of the outer side frame and the top of the inner side wall. Unlike the prior art, the top plate structure adopts any one of the top plate structures.
In some embodiments, the circumferential deformation joint of the shed tunnel integrally penetrates through the structures such as the top plate, the outer side wall, the inner side wall and the like at the same position.
Further, an outer side frame foundation is arranged at the bottom of the outer side frame, an inner side wall foundation is arranged at the bottom of the inner side wall, and a transverse pull rod is arranged between the outer side frame foundation and the inner side wall foundation. The transverse pull rod can further improve the stability of the overall structure of the shed tunnel.
Furthermore, a longitudinal tie beam is arranged between two adjacent outer side frames.
Further, a top plate support is arranged on the inner side wall and used for installing a top plate structure.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the roof structure adopted by the invention improves the disaster prevention capability of the road, the double-layer frame structure combined with the flexible protective net can obviously improve the energy dissipation effect, and effectively improve the disaster prevention capability of the shed tunnel;
2. the invention can improve the span of the shed tunnel, the span of the shed tunnel can be 20 meters or more, the distance between the piles and the columns outside the shed tunnel is increased, and the shed tunnel cannot be arranged at the position where the shed tunnel cannot be arranged originally because the span and the terrain are limited;
3. the roof structure of the invention is only partially destroyed after being impacted by falling rocks, can achieve the purposes of small impact and no damage to the whole shed tunnel and large impact, and is convenient for construction and convenient for popularization and use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of a cross section of a shed tunnel according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a longitudinal side of a shed tunnel according to an embodiment of the present invention;
FIG. 3 is a schematic plan view of the lower layer of the ceiling of the shed tunnel according to the embodiment of the present invention;
FIG. 4 is a schematic diagram of a middle layer of a ceiling of a shed tunnel according to an embodiment of the present invention;
FIG. 5 is a schematic top plan view of a shed tunnel roof in accordance with an embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
1-upper plate, 2-lower plate, 21-protective net, 3-middle-layer column, 4-top plate support, 5-outer frame, 6-inner side wall, 7-outer frame foundation, 8-transverse pull rod, 9-inner side wall foundation and 10-longitudinal tie beam.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the scope of the present invention.
The term "connected" used herein may be either directly connected or indirectly connected via other components without being particularly described.
Example 1:
the roof structure of the large-span frame shed tunnel structure shown in fig. 3 to 5 comprises an upper plate 1, a lower plate 2 is arranged below the upper plate 1, and a plurality of middle-layer columns 3 are arranged between the lower plate 2 and the upper plate 1; a protective net 21 is arranged on a longitudinal beam of the lower plate 2; a panel is arranged on the longitudinal beam of the upper plate 1; deformation joints are arranged on the panel along the route arrangement direction, and the distance between every two adjacent deformation joints is not less than 20 m; the longitudinal and transverse beam structure of the upper plate 1 and the longitudinal and transverse beam structure of the lower plate 1 are rectangular or rhombic; the upper plate 1, the lower plate 2 and the middle-layer column 3 are of a reinforced concrete structure or a steel structure.
In some embodiments, the panel may also be provided with deformation joints according to the structure of the lower plate.
The roof structure that this technical scheme adopted has improved the disaster prevention ability of road, and double-deck frame construction combines flexible protection network can show ground promotion energy dissipation effect, improves the disaster resistance ability of shed tunnel effectively.
Example 2:
the large-span frame hangar tunnel structure shown in fig. 1 and 2 comprises an outer frame 5, an inner side wall 6 and a roof structure, wherein two ends of the roof structure are respectively connected with the top of the outer frame 5 and the top of the inner side wall 6, and the roof structure adopts any one roof structure in embodiment 1.
In some embodiments, the bottom of the outer frame 5 is provided with an outer frame foundation 7, the bottom of the inner wall 6 is provided with an inner wall foundation 9, and a transverse pull rod 8 is arranged between the outer frame foundation 7 and the inner wall foundation 9.
In some embodiments, a longitudinal tie beam 10 is disposed between two adjacent outer frames 5.
In some embodiments, the inner side wall 6 is provided with a top plate support 4, and the top plate support 4 is used for mounting a top plate structure.
This technical scheme can improve the span of shed tunnel, and 20 meters or even bigger span can be accomplished to the span of shed tunnel, increases shed tunnel outside stake, column spacing, can make some originally because span and topography are restricted can not set up shed tunnel department and set up the shed tunnel. In this technical scheme, roof structure is only local destruction after being strikeed by falling the stone, can accomplish that whole shed tunnel is little strikeed not bad, and big impact is not fallen, and construction convenience is convenient moreover, convenient to popularize and use.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The top plate structure of the large-span frame shed tunnel structure comprises an upper plate (1) and is characterized in that a lower plate (2) is further arranged below the upper plate (1), and a plurality of middle-layer columns (3) are arranged between the lower plate (2) and the upper plate (1).
2. The roof structure of a large-span frame shed tunnel structure according to claim 1, characterized in that a protective screen (21) is provided on the longitudinal girders of the lower deck (2).
3. A roof structure of a large span frame hangar tunnel structure according to claim 1, characterized in that the longitudinal beams of the upper deck (1) are provided with panels.
4. The roof plate structure of a large-span frame shed tunnel structure according to claim 3, wherein the panel is provided with deformation joints along the direction of the route, and the distance between every two adjacent deformation joints is not less than 20 m.
5. The roof slab structure of a large-span frame shed tunnel structure according to any one of claims 1 to 4, characterized in that the longitudinal and transverse beam structure of the upper plate (1) and the longitudinal and transverse beam structure of the lower plate (1) are rectangular or rhombic.
6. The roof slab structure of a large-span frame shed tunnel structure according to any one of claims 1 to 4, characterized in that the upper slab (1), the lower slab (2) and the middle column (3) are of reinforced concrete structure or steel structure.
7. A large-span frame shed tunnel structure, which comprises an outer frame (5), an inner side wall (6) and a roof plate structure, wherein two ends of the roof plate structure are respectively connected with the top of the outer frame (5) and the top of the inner side wall (6), and the roof plate structure is characterized in that the roof plate structure as claimed in any one of claims 1 to 6 is adopted.
8. The large-span frame shed tunnel structure according to claim 7, characterized in that the outer frame (5) is provided with an outer frame foundation (7) at the bottom, the inner side wall (6) is provided with an inner side wall foundation (9) at the bottom, and a transverse pull rod (8) is arranged between the outer frame foundation (7) and the inner side wall foundation (9).
9. A large-span frame hangar tunnel structure as claimed in claim 7, characterised in that a longitudinal tie beam (10) is provided between two adjacent outer frames (5).
10. The large-span frame shed tunnel structure according to claim 7, characterized in that a roof support (4) is arranged on the inner side wall (6), and the roof support (4) is used for installing a roof structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010039390.9A CN111140259A (en) | 2020-01-15 | 2020-01-15 | Large-span frame shed tunnel structure and top plate structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010039390.9A CN111140259A (en) | 2020-01-15 | 2020-01-15 | Large-span frame shed tunnel structure and top plate structure thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111140259A true CN111140259A (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010039390.9A Pending CN111140259A (en) | 2020-01-15 | 2020-01-15 | Large-span frame shed tunnel structure and top plate structure thereof |
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| Country | Link |
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| CN (1) | CN111140259A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863179A (en) * | 2021-10-25 | 2021-12-31 | 四川省交通勘察设计研究院有限公司 | Flexible transverse bottom beam, application and construction method and semi-flexible semi-rigid shed tunnel frame |
| CN114606855A (en) * | 2022-04-26 | 2022-06-10 | 四川省公路规划勘察设计研究院有限公司 | Fabricated pier anti-collision buffer device and construction method thereof |
-
2020
- 2020-01-15 CN CN202010039390.9A patent/CN111140259A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863179A (en) * | 2021-10-25 | 2021-12-31 | 四川省交通勘察设计研究院有限公司 | Flexible transverse bottom beam, application and construction method and semi-flexible semi-rigid shed tunnel frame |
| CN114606855A (en) * | 2022-04-26 | 2022-06-10 | 四川省公路规划勘察设计研究院有限公司 | Fabricated pier anti-collision buffer device and construction method thereof |
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