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High-energy-level protective steel shed tunnel suitable for any terrain in mountainous area

A high-energy, steel shed technology, used in protective equipment, buildings, etc., can solve the problems of rockfall breakdown, lack of protection, and small collapse at high altitudes, and achieve the effect of enhancing buffer capacity and improving rockfall protection performance.

Pending Publication Date: 2020-05-12
四川省交通勘察设计研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional steel shed hole is generally a beam + column type, and the upper protective layer is a combination of truss and steel plate to prevent rockfall. This method has limited protection ability and is useful for sporadic and small rockfall. It has little effect on high-level collapse and cannot provide protection. Often hit by falling rocks

Method used

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  • High-energy-level protective steel shed tunnel suitable for any terrain in mountainous area
  • High-energy-level protective steel shed tunnel suitable for any terrain in mountainous area
  • High-energy-level protective steel shed tunnel suitable for any terrain in mountainous area

Examples

Experimental program
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Effect test

Embodiment 1

[0038] Such as figure 1 As shown, the present invention is suitable for a high-energy protective steel shed tunnel in any terrain in mountainous areas, including a steel shed cave body 1, and a rotating support 2 is arranged on the side of the roof of the steel shed cave body 1, and the rotating support 2 is connected to a The bottom of the piston spring strut 3 is connected, and the top of the piston spring strut 3 is connected with a pulley 4. A flexible protective net 5 is arranged above the steel shed cave body 1, and one side of the flexible protective net 5 is fixed on the top plate of the steel shed cave body 1. The side of the mountain and the other side are connected with a stay rope 6, and the stay rope 6 is anchored in the side slope 7 around the pulley 4, and the end of the stay rope 6 close to the side slope 7 is provided with a decompression ring 61.

Embodiment 2

[0040] Such as Figure 1-3 As shown, this embodiment is based on Embodiment 1: the steel shed cave body 1 includes a column 11, a beam 12 and a longitudinal beam 13, and the beam 12 and the longitudinal beam 13 are connected to each other to form a roof frame 14 and a floor frame 15, and the column 11 The top frame 14 and the bottom frame 15 are connected.

[0041] Further, the piston spring strut 3 can be rotated and fixed around the rotating support 2. A number of bolt holes 16 are reserved in the transverse direction on the crossbeam 12. The bolt holes 16 are used to install the auxiliary rod 17, and the top of the auxiliary rod 17 faces the side of the mountain. tilt.

[0042] Further, the piston spring strut 3 includes a rod body 31 and a piston rod 32, the top of the rod body 31 is a hollow cylinder, the piston rod 32 is arranged inside the hollow cylinder, the top of the piston rod 32 is connected with the pulley 4, and the piston rod 32 below the pulley 4 A first space...

Embodiment 3

[0045] Such as Figure 1-3 As shown, this embodiment is based on Embodiment 2: the bottom of the column 11 or the side of the beam 12 is provided with a second rotating support 8, the second rotating support 8 is connected to a second piston spring strut 81, and the second piston The end of the spring strut 81 is connected to the second pulley 82, and the side of the column 11 is provided with a second protective net 9. The upper side of the second protective net 9 is connected to the top surface of the column 11, and the lower side is connected to the traction rope 91. The traction rope 91 After bypassing the second pulley 82, it is anchored on the side of the side slope 7 close to the bottom frame 15, and the side of the traction rope 91 close to the side slope 7 is provided with a second decompression ring 92.

[0046] Further, the structure of the second piston spring strut 81 is the same as that of the piston spring strut 3, and a number of bolt holes 16 are vertically re...

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Abstract

The invention discloses a high-energy-level protective steel shed tunnel suitable for any terrain in a mountainous area. The steel shed tunnel comprises a steel shed tunnel body, and a rotary supportis arranged on the side, close to the backer, of a top plate of the steel shed tunnel body. The rotary support is connected with the bottom of a piston spring supporting rod; pulleys are connected tothe tops of the piston spring supporting rod, a flexible protective net is arranged above the steel shed tunnel body, one side of the flexible protective net is fixed to the side, away from a mountain, of a top plate of the steel shed tunnel body, the other side of the flexible protective net is connected with pull ropes, the pull ropes bypass the pulleys to be anchored in a slope, and a pressurereducing ring is arranged at the ends, close to the slope, of the pull rope. The box-type assembled structure is adopted, the flexible protective net systems are installed on the top of the steel shedtunnel and the side face of the side slope, all-directional dead-corner-free protection is conducted on the steel shed tunnel structure, and the rockfall protection performance of the steel shed tunnel is greatly improved.

Description

technical field [0001] The invention relates to the field of road traffic safety protection facilities, in particular to a high-energy protective steel shed tunnel suitable for any terrain in mountainous areas. Background technique [0002] In recent years, after many geological disasters such as strong earthquakes and high-level landslides in mountainous areas have occurred frequently, the rush to clear and maintain roads in mountainous areas with complex terrain conditions has become a "lifeline" project. Practice has proved that the construction of steel shed tunnels has the advantages of factory prefabrication and rapid assembly; however, its poor ability to adapt to terrain conditions, poor rockfall resistance of the structure itself, and poor lateral pressure resistance also limit its large-scale application. However, the traditional reinforced concrete shed has a long construction period and cannot play the role of rushing and securing. How to improve the protection ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01F7/04
CPCE01F7/045
Inventor 袁松余志祥王峥峥黎良仆
Owner 四川省交通勘察设计研究院有限公司
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