CN211474136U - Large-span frame shed tunnel structure and roof plate structure thereof - Google Patents
Large-span frame shed tunnel structure and roof plate structure thereof Download PDFInfo
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- CN211474136U CN211474136U CN202020076414.3U CN202020076414U CN211474136U CN 211474136 U CN211474136 U CN 211474136U CN 202020076414 U CN202020076414 U CN 202020076414U CN 211474136 U CN211474136 U CN 211474136U
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Abstract
The utility model discloses a large-span frame shed tunnel structure and a top plate structure thereof, 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 utility model discloses the roof structure that adopts 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 anti-disaster ability of shed hole effectively, simultaneously, can improve the span of shed hole, and the span of shed hole can accomplish 20m or even bigger span, increases shed hole outside stake, column spacing, can make some originally because span and topography are limited can not set up shed hole department and set up the shed hole.
Description
Technical Field
The utility model relates to a rockfall protection technical field, concretely relates to large-span frame shed tunnel structure and roof 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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a large-span frame shed hole structure and roof structure thereof to solve the problem that shed hole energy dissipation effect is poor among the prior art, protective capacities is weak, realize improving the disaster prevention ability of shed hole, and then the purpose of increase shed hole span.
The utility model discloses a following technical scheme realizes:
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 utility model discloses roof structure to traditional shed tunnel structure improves. 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 are arranged on the panel, and the distance between every two adjacent deformation joints is not less than 20 m. 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 utility model also provides a large-span frame shed tunnel structure, the same with prior art is that this shed tunnel structure also includes outside frame, inner wall and roof structure to the top of outside frame and the top of inner wall are connected respectively to roof structure's both ends. 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 utility model, following advantage and beneficial effect have:
1. the roof structure adopted by the utility model 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 utility model 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 can not be arranged because the span and the terrain are limited;
3. the utility model discloses a roof structure is only local destruction after being strikeed by the falling rocks, can accomplish that whole shed tunnel is little strikeed not bad, strikes greatly and does not fall, and construction convenience is convenient moreover, convenient to popularize 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 surface of a shed tunnel according to an embodiment of the present invention;
FIG. 3 is a schematic plan view of a lower layer of a shed tunnel top plate according to an embodiment of the present invention;
FIG. 4 is a schematic plan view of a middle layer of a shed tunnel top plate according to an embodiment of the present invention;
fig. 5 is a schematic top plan view of the shed tunnel roof in the 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
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 the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not 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:
as shown in fig. 3 to 5, the roof structure of the large-span frame shed tunnel structure 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:
a large-span frame hangar tunnel structure as shown in fig. 1 and 2, comprising an outer frame 5, an inner side wall 6 and a roof structure, wherein both 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 of the roof structures 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, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. 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. A roof structure of a large span frame shed tunnel structure according to claim 1, characterized in that a protective net (21) is provided on the longitudinal beams 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 slab 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 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 structures of the upper slab (1) and the longitudinal and transverse beam structures of the lower slab (2) 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 made of reinforced concrete or steel structure.
7. A large-span frame shed tunnel structure, comprising an outer frame (5), an inner side wall (6) and a roof structure, wherein the 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 is the roof structure according to any one of claims 1-6.
8. A large-span frame hangar tunnel structure as claimed in claim 7, characterized in that the bottom of the outer frame (5) is provided with an outer frame foundation (7), the bottom of the inner side wall (6) is provided with an inner side wall foundation (9), 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 longitudinal tie beams (10) are provided between adjacent outer frames (5).
10. A large-span frame shed tunnel structure according to claim 7, characterized in that the inner side wall (6) is provided with a roof support (4), and the roof support (4) is used for installing a roof structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020076414.3U CN211474136U (en) | 2020-01-15 | 2020-01-15 | Large-span frame shed tunnel structure and roof plate structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020076414.3U CN211474136U (en) | 2020-01-15 | 2020-01-15 | Large-span frame shed tunnel structure and roof plate structure thereof |
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| CN211474136U true CN211474136U (en) | 2020-09-11 |
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| CN202020076414.3U Active CN211474136U (en) | 2020-01-15 | 2020-01-15 | Large-span frame shed tunnel structure and roof plate structure thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482658A (en) * | 2021-08-03 | 2021-10-08 | 西南交通建设集团股份有限公司 | T-beam bench construction platform and method in tunnel |
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2020
- 2020-01-15 CN CN202020076414.3U patent/CN211474136U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482658A (en) * | 2021-08-03 | 2021-10-08 | 西南交通建设集团股份有限公司 | T-beam bench construction platform and method in tunnel |
| CN113482658B (en) * | 2021-08-03 | 2024-01-26 | 西南交通建设集团股份有限公司 | Construction platform and method for T-beam pedestal in tunnel |
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