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Non-linear seismic response of the rail-counterweight system in elevators in buildings

机译：建筑物电梯中的配重系统的非线性地震响应

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Elevators in buildings serve a very important function and are among the critical components of an essential facility. They have several mechanical and electrical components that are known to be susceptible to damage during earthquake occurrences. The counterweights, being the heaviest, are among their most vulnerable components. The ASME code has made several provisions to improve the performance of the counterweights in seismic events. To evaluate their performance under code-mandated provisions, it is necessary that a comprehensive and realistic analytical model is used. This paper uses a detailed model of a counterweight of a traction elevator to study its in-plane and out-of-plane dynamic behavior. The model incorporates the multiple support inputs and flexibilities of the counterweight guidance system along with their non-linearities caused by the clearance limitations. The study examines the effect of changing clearances, variability of input motions, and the use of tie brackets on the system response, and evaluates the impact of some of the code provisions on the dynamic behavior of the system.
机译：建筑物中的电梯起着非常重要的作用，并且是基本设施的关键组成部分。它们具有几个机械和电气组件，这些组件在地震发生时容易受到损坏。最重的对重是其最易损坏的部件之一。 ASME规范已制定了几项规定，以提高配重在地震事件中的性能。为了评估它们在规范要求下的性能，有必要使用一个全面而现实的分析模型。本文使用牵引电梯配重的详细模型来研究其平面内和平面外的动态行为。该模型结合了配重引导系统的多种支撑输入和灵活性，以及​​由间隙限制引起的非线性。这项研究检查了间隙变化，输入运动的可变性以及系带括号对系统响应的影响，并评估了某些法规对系统动态行为的影响。

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