A construction method of an energy-dissipating and shock-absorbing composite shed-cave structure that resists the impact of landslides and collapses

A construction method and shed hole technology, which can be used in construction, protective equipment and other directions, can solve the problems of plastic damage of steel wire grilles and polystyrene foam, high maintenance costs, and achieve good buffering effect, low cost, and weight reduction.

Active Publication Date: 2021-03-16
WUHAN UNIV
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Problems solved by technology

However, once the energy of falling rocks is large, both steel wire grids and polystyrene foam (EPS) are prone to plastic failure, and the later maintenance costs are high

Method used

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  • A construction method of an energy-dissipating and shock-absorbing composite shed-cave structure that resists the impact of landslides and collapses
  • A construction method of an energy-dissipating and shock-absorbing composite shed-cave structure that resists the impact of landslides and collapses
  • A construction method of an energy-dissipating and shock-absorbing composite shed-cave structure that resists the impact of landslides and collapses

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Embodiment Construction

[0029] Below in conjunction with accompanying drawing and preferred example, energy-dissipating shock-absorbing combined structure and construction method of the present invention are described in detail as follows:

[0030] like Figure 1-Figure 3 As shown, it is a specific structure of an energy-dissipating and shock-absorbing combined shed-cavity structure for resisting the impact of landslides and collapses, including roof beams, shed-hole plates, composite buffer cushions and energy-dissipating shock absorbers. On both sides of the ground in the area (that is, the side close to the mountain and the side away from the mountain), the shed hole plate is supported on the top of the roof beam through energy dissipation shock absorbers to form a shed hole structure that resists the impact of landslides and collapses. The composite buffer cushion layer includes a foam cushion layer 2, a steel plate layer 3, a geocell 4 and a soil layer 5, which are successively laid on the water...

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Abstract

The invention discloses a construction method of an energy-dissipation and seismic-mitigation combined shed tunnel structure capable of resisting the landslide collapse body impact. The energy-dissipation and seismic-mitigation combined shed tunnel structure comprises top beams, shed tunnel plates, a composite buffer cushion layer and energy dissipation and seismic mitigation devices. The top beams are arranged on the two sides of the ground of a to-be-protected area. The shed tunnel plates are supported at the tops of the top beam through the energy dissipation and seismic mitigation devices.A waterproof layer is constructed on the top surface of one shed tunnel plate; then a foam cushion layer, a steel plate layer and a geocell reinforced soil layer are constructed sequentially, geocells on the steel plate layer are stretched, paved, and unfolded fully in the construction process, each geocell at the end part is fixed by using a pin, the space of each geocell is filled with a soilbody fully, and then the geocell is filled with soil gradually to a corresponding designed elevation to form a composite buffer cushion layer. The construction is simple and convenient; the service life is long; the the self-weight of the shed tunnel structure is reduced, the landslide collapse body impact resistance and the energy absorption and shock absorption performance of the shed tunnel structure are improved, and the safety and stability of the shed tunnel structure are improved. The method is especially suitable for shed tunnel structure construction of landslide disaster frequent road sections.

Description

technical field [0001] The invention relates to the technical field of slope protection and disaster management, and relates to a shed-cave structure, in particular to a construction method for an energy-consuming and shock-absorbing combined shed-cave structure resistant to the impact of landslides and collapsed bodies. Background technique [0002] In the southwestern part of my country, due to the strong uplift of the Qinghai-Tibet Plateau and the rapid and deep incision of the river, the slope is high and steep, the unloading is strong, and the rock mass structure is complex. Under the joint action of natural factors such as rainfall seepage and earthquake disturbance, and human factors such as mountain digging and deforestation, it is easy to cause slope instability, and frequent rockfall and debris flow disasters. Landslides and landslides such as falling rocks and debris flows have posed a serious threat to traffic construction and transportation safety in Southwest m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01F7/04
CPCE01F7/045
Inventor 姜清辉孟晓宇陈胜云张鏖位伟
Owner WUHAN UNIV
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