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首页> 外文期刊>Mathematical Problems in Engineering >Key Characteristics of a Floating Slab Track Based on Longitudinal Interaction Analysis
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Key Characteristics of a Floating Slab Track Based on Longitudinal Interaction Analysis

机译：基于纵向相互作用分析的浮板轨道关键特性

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The passage of railway vehicles produces mechanical vibrations across an extensive range of frequencies. A floating slab track (FST) has recently been proposed and constructed in Korea to reduce the vibrations and noise that result from typical railway operation. The main objective of this study is to investigate the behavior of an FST by means of an interaction analysis of a track-slab-isolator. Key FST parameters considered in this study are additional rail stress, slab stress and displacement, and stopper displacement. The FST parameters include slab length and thickness, isolator stiffness, and longitudinal stiffness. The sensitivity of the key characteristics of each FST parameter is examined. This study also determines the maximum length of an FST based on the maximum additional rail stress criterion. Finally, a formula to predict maximum additional rail stress is proposed for the design of FST systems.
机译：铁路车辆的通过会在广泛的频率范围内产生机械振动。最近在韩国提出并建造了一条浮动平板轨道（FST），以减少典型铁路运营所产生的振动和噪声。这项研究的主要目的是通过轨道-板-隔离器的相互作用分析来研究FST的行为。在这项研究中考虑的关键FST参数是附加的钢轨应力，平板应力和位移以及塞子位移。 FST参数包括平板长度和厚度，隔离器刚度和纵向刚度。检查每个FST参数的关键特性的敏感性。这项研究还根据最大附加钢轨应力准则确定了FST的最大长度。最后，为FST系统的设计提出了一个预测最大附加钢轨应力的公式。

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