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首页> 外文会议>Asia-Pacific Conference on Shock amp; Impact Loads on Structures; 20031112-14; Changsha, Hunan,(CN) >TRAIN'S CRASHWORTHY DESIGN AND COLLISION ANALYSIS
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TRAIN'S CRASHWORTHY DESIGN AND COLLISION ANALYSIS

机译：火车的崩溃价值设计和碰撞分析

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摘要

Based on the American criteria, this paper attempts to put forward the evaluation criteria of the end and middle part of the car, which are the values of absorbing energy of the end of the train and acceleration of the cabin. In order to compare the difference between the original and modified crashworthy train, we crashed the 25-type original passenger car with a rigid wall first. Based on the results of plastic displacement, acceleration and collision force, we related two detailed modifying measures, i.e. weakening the structure of the end of floor and strengthening the structure of the cabin. At the same time we placed special absorbing energy equipment on the end of the car-body to absorb more energy when collision happened. At last, the modified 25-type crashworthy car crashed with the rigid wall on the same conditions. The results show that large plastic deformation happens at the end of the crashworthy car and a small elastic deformation at the cabin, and that the displacement of plastic deformation is larger and the collision force is smaller, and that the criterion of acceleration is improved obviously.
机译：根据美国的标准，本文试图提出对汽车的末端和中间部分的评估标准，即火车末端的吸收能量和车厢的加速度。为了比较原始火车和改良后的耐撞火车之间的差异，我们首先撞上了带有刚性壁的25型原始客车。根据塑性位移，加速度和碰撞力的结果，我们提出了两种详细的修改措施，即削弱地板末端的结构和加强机舱的结构。同时，我们在车身末端安装了特殊的吸收能量设备，以在发生碰撞时吸收更多的能量。最后，在相同条件下，经过改装的25型耐撞车撞坏了刚性墙。结果表明，在易撞车末端发生较大的塑性变形，在车厢发生较小的弹性变形，塑性变形的位移较大，碰撞力较小，加速判据明显提高。

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