A Comparative Study on the Design and Connection Mode of Bridge Anti-collision Steel Box——Finite Element Analysis of Ship Frontal Collision
The finite element model of the steel box of Jiashao Bridge was established,and the influ-ence of the steel plate thickness on the collision resistance of the steel box was analyzed by changing the thickness of the steel plate.The influence of different connection modes on the collision resistance was simulated by changing the connection mode between steel case and bridge pier.The thickness of steel box was changed for analyzing its influence on collision resistance.The results show that when the buff-ering distance is enough,the peak value of ship impact force will decrease with the decrease of the thick-ness of steel plate;Under the same condition,the collision resistance of the close-fit connection is wea-ker than that of the floating or fixed connection;The change of the thickness of the anti-collision steel box has little influence on the collision resistance,but when the close-fit connection is used,attention should be paid to the adequacy of its buffering distance.
anti-collision steel boxcollision resistancethickness of steel plateconnection modethickness of the box
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