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  • Experimental and analytical...
    Ma, Haiying; Qiu, Yuan; Wang, Junjie; Xin, Ziheng; Zhou, Ruigen; Song, Yanchen

    Engineering failure analysis, September 2024, 2024-09-00, Letnik: 163
    Journal Article

    •A new type of device using a combination of titanium steel and recycled tires was proposed.•The proposed device has larger ultimate capacity compared to the device using regular steel material.•The increase of the thickness and number of interior diaphragms can enhance ultimate capacity of the structures. Anti-collision devices can reduce the damage of bridge columns under ship collision, and a new type of device is proposed in the paper using a combination of titanium steel and recycled tires. The use of titanium steel is to improve the corrosion resistance, and the use of recycled tires is to improve self-floating capacity as well as save the cost. Three test specimens were designed and tested to investigate the behavior of the device under impact load and reveal the failure mechanism; finite element models were conducted to analyze and compare with the experimental results. Also, parametric study was conducted to reveal the effect of parameters on the ultimate capacity of the device. The performances of different types of the anti-collision device are compared, and the failure mechanism is studied. The results show that the proposed device effectively improves the performance of buffering energy dissipation and durability under impact load.