Abstract Previously reported container losses were generally attributed to extremely violent motions of containerships due to adverse weather conditions. However, most existing specifications or standards adopted for containers and lashing equipment meet the requirement of static conditions. Hence, further researches on safer container shipping under heavy sea states are required. Consequently, an experimental study method is proposed to measure the dynamic response of 1/10 scaled lashing bridge and container stack. The scaled model of the lashing bridge is constructed based on the similarity theory. Based on two dimensionless numbers, Froude's number and Cauchy's number, eleven container scaled models are employed. A series of experiments with controlled parameters are performed using a three-degrees shaking table (roll, pitch, heave) to present sufficient data to verify the effectiveness of the numerical model. The results of experiments, numerical simulations and calculations of the VERISTAR procedure (developed according to the BV rule) are compared. This study aimed to explore the mechanical behavior of the lashing bridge and container stack under predetermined driving excitations (roll and pitch) which simulated heavy sea states. According to the results, the model can predict conditions similar to real situations of the lashing bridge and container stacks while storages on the weather deck.

中文翻译：

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使用比例模型试验对绑扎桥和集装箱堆垛动力学进行实验和数值研究

摘要 此前报道的集装箱损失通常归因于恶劣天气条件下集装箱船的剧烈运动。然而，现有的集装箱和绑扎设备采用的规范或标准大多满足静态条件的要求。因此，需要进一步研究在恶劣海况下更安全的集装箱运输。因此，提出了一种测量1/10比例绑扎桥和集装箱堆垛动力响应的实验研究方法。基于相似理论构建了绑扎桥的比例模型。基于两个无量纲数，弗劳德数和柯西数，采用了 11 个容器缩放模型。使用三度振动台（滚动、俯仰、heave) 提供足够的数据来验证数值模型的有效性。VERISTAR 程序（根据 BV 规则开发）的实验、数值模拟和计算结果进行了比较。本研究旨在探索在模拟恶劣海况的预定驱动激励（横摇和纵摇）下绑扎桥和集装箱堆垛的机械行为。根据结果​​，该模型可以预测与露天甲板上存储时绑扎桥和集装箱堆垛的真实情况相似的条件。本研究旨在探索在模拟恶劣海况的预定驱动激励（横摇和纵摇）下绑扎桥和集装箱堆垛的机械行为。根据结果​​，该模型可以预测与露天甲板上存储时绑扎桥和集装箱堆垛的真实情况相似的条件。本研究旨在探索在模拟恶劣海况的预定驱动激励（横摇和纵摇）下绑扎桥和集装箱堆垛的机械性能。根据结果​​，该模型可以预测与露天甲板上存储时绑扎桥和集装箱堆垛的实际情况相似的条件。