Efficient low-cost flexible energy dissipation type pier anti-collision safety device
A safety device and low-cost technology, applied in road safety devices, roads, roads, etc., can solve problems such as difficulty in ensuring the safety of vehicles, pedestrians and bridge piers, and achieve the effects of good social and economic value, less engineering investment, and simple structure
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[0021] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0022] See figure 1 As shown in Figure 2, a high-efficiency and low-cost flexible energy-dissipating bridge pier anti-collision safety device includes a steel anti-collision wall, which is composed of a large ring-shaped protective tube 2 and a small protective tube 3. The inside of the large protective tube 2 and the small protective tube 3 are both hollow structures, which are filled with elastic energy dissipating material 4, which is made of modified polystyrene; the large protective tube 2 and the small protective tube There is a spring component layer between 3, and the spring 5 component layer is composed of a number of springs 5 arranged horizontally, and a number of springs 5 are arranged in rows and columns; a dustproof layer is arranged between the upper ends of the large protective cylinder 2 and the small protective cylinder 3 The bottoms of the large ...
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