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Experimental Methods for Seismic Simulation of Structural Columns: State-of-the-Art Review and Introduction of New Multiuse Structural Testing System

机译:结构柱地震模拟的实验方法:最新的综述和新型多用途结构测试系统的介绍

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摘要

Experimental research on seismic behavior of structural columns is one of the most important and active research areas in structural engineering. Various methods with innovative loading configurations have been developed by researchers over the past several decades, and the research has enhanced our knowledge about the performance of structural columns, resulting in the improvement of design practice. This paper provides a state-of-the-art review of the testing setups for simulating earthquake loading on structural columns, to reveal the trend of sophistication of testing methods. Special attention is given to the large tonnage axial loading methods and the shortcomings of existing methods. Based on past experiences and a review of existing methods, a new multiuse structural testing (MUST) system is developed and described in this paper. Because the MUST equipment has the unique ability to maintain the axial load vertical during lateral loading, and the force inputs to the structural model can be directly measured, it is more suitable for simulating structural responses under horizontal and vertical ground motions.
机译:结构柱抗震性能的实验研究是结构工程中最重要,最活跃的研究领域之一。在过去的几十年中,研究人员开发了各种具有创新加载配置的方法,并且该研究增强了我们对结构柱性能的了解,从而改善了设计实践。本文提供了用于模拟结构柱上地震荷载的测试设备的最新技术,以揭示测试方法的复杂性趋势。特别关注大吨位轴向加载方法和现有方法的缺点。基于过去的经验和对现有方法的回顾,本文开发并描述了一种新的多用途结构测试(MUST)系统。因为MUST设备具有在横向载荷期间保持轴向载荷垂直的独特能力,并且可以直接测量输入到结构模型的力,所以它更适合于模拟水平和垂直地面运动下的结构响应。

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