集装箱坠落载荷作用下甲板板架结构响应理论预报方法研究

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振动与冲击 ›› 2021, Vol. 40 ›› Issue (21) : 142-149.

论文

郭德松1，纵帅1，王秀飞1，费宝祥2，王加夏1，刘昆1

作者信息 +

Theoretical prediction method for response of deck grillage structure under container falling load

GUO Desong1, ZONG Shuai1, WANG Xiufei1, FEI Baoxiang2, WANG Jiaxia1, LIU Kun1

Author information +

文章历史 +

摘要

集装箱码头吊装属高风险作业，往往会由于吊装设备以及人员操作等原因导致集装箱坠落事故。由于集装箱重量大，起吊高度高，其发生坠落时巨大的冲击动能会导致被撞船体板架结构产生严重的损伤变形，因此，在船体结构设计阶段需考虑甲板结构的耐撞性能。本文选取标准集装箱坠落于甲板的坠落场景进行研究，通过仿真计算得到甲板结构变形过程，进而确定其损伤变形模式，运用塑性力学理论，建立集装箱坠落冲击下板架结构损伤解析预报方法。此外，针对集装箱不同坠落状态，讨论了集装箱与甲板线接触和面接触时结构损伤变形情况。论文研究成果对船体板架结构抗撞性能预报与评估具有一定指导意义。

Abstract

Container terminal hoisting is a high-risk operation, and container fall accidents often occur due to lifting equipment and personnel operations. Due to the heavy weight of the container and the high lifting height, the huge impact kinetic energy when it is dropped will cause serious damage and deformation to the hull plate frame structure, therefore, the collision resistance of the deck structure needs to be considered during the hull structure design stage. This paper selects the scenario where a standard container is dropped on a deck for research, and obtains the deformation process of the deck structure through simulation calculations, and then determines its damage deformation mode. Using the theory of plastic mechanics, an analytical method for predicting the damage of a plate structure under the impact of a container drop is established. In addition, according to the different falling conditions of the container, the damage and deformation of the container when the container is in line and surface contact with the deck are discussed. The research results of this paper have some guiding significance for the prediction and evaluation of the hull plate-frame structure's collision resistance.

导出引用

郭德松1，纵帅1，王秀飞1，费宝祥2，王加夏1，刘昆1. 集装箱坠落载荷作用下甲板板架结构响应理论预报方法研究[J]. 振动与冲击, 2021, 40(21): 142-149

GUO Desong1, ZONG Shuai1, WANG Xiufei1, FEI Baoxiang2, WANG Jiaxia1, LIU Kun1. Theoretical prediction method for response of deck grillage structure under container falling load[J]. Journal of Vibration and Shock, 2021, 40(21): 142-149

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