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本文针对设置有橡胶防冲设备的透空式高桩码头,在船舶驶靠时的受力情况,提出一种复振分析法。假定船舶驶靠码头、发生塑性碰撞后,船舶和码头结构系统在接触时间内,形成平面内四个自由度的自由振动状态。文中导出了运动微分方程组的通解,也给出了主要参数的计算公式。文内通过两个算例的电算成果,分析了主要影响因素对撞击力、桩顶撞击反力及复合系统的主振周期等的影响规律。文末得出了初步结论.
This paper proposes a method of rejuvenation analysis for the pierced high piers equipped with rubber anti-impingement equipment. Assuming that the ship is on the wharf and a plastic collision occurs, the vessel and the wharf structural system will form a free vibration state with four degrees of freedom in the plane during the contact time. In this paper, the general solution of the differential equations of motion is derived and the formulas for the main parameters are also given. Through the calculation results of the two examples, the influence of the main influencing factors on the impact force, the impact resistance at the pile top and the main oscillation period of the composite system are analyzed. At the end of the paper, preliminary conclusions are drawn.