Reliability Analysis of Bridge Anti-ship Collision Based on Response Surface Method
In order to solve the problem of selecting the influencing factors in the reliability analysis of bridge anti-ship collision,a response surface method is utilized to establish a response surface function that includes both ship and bridge factors.This function is used to calculate the reliability of bridge an-ti ship collision under different response surfaces and to perform a reliability analysis of the bridge pier top displacement and failure age.The results show that:1)The sensitivity of the influential factors is positively related to the safety of the bridge anti-ship collision,and the high sensitivity factors have a greater effect on the reliability;2)The selection of multiple influencing factors will lead to cumbersome tests,and the low sensitivity factors may fail in the analysis,while the'neutral'factors show better applicability;3)Selecting a 15mm allowance for pier top displacement to analyze the bridge anti-ship collision reliability and failure year reliability is more in line with actual conditions.
bridgeresopond surface methodanti-ship collisionpier top displacementfailure agereliability analysis