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首页> 外文期刊>Structural engineering earthquake engineering >RESPONSE CHARACTERISTICS OF BRIDGE ABUTMENTS SUBJECTED TO COLLISION OF GIRDER DURING AN EARTHQUAKE
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RESPONSE CHARACTERISTICS OF BRIDGE ABUTMENTS SUBJECTED TO COLLISION OF GIRDER DURING AN EARTHQUAKE

机译：桥梁在地震过程中发生碰撞的响应特性

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摘要

In a bridge which is equipped with a rubber bearing support and undergoes relatively large displacement of its girders during an earthquake, the girder and abutment collide in the case that the expansion spacing is not sufficient. However, it may be possible to improve the seismic performance of the overall bridge by constraining the displacement of girders by taking a measure such as reinforcing the colliding members or by installing collision absorbers. In order to use such seismic resistant structures, it is essential to clarify the behavior of the abutment subject to collision force. This paper reports on an analytic study of the characteristics of the dynamic behavior of an abutment and the soil behind it, and the seismic performance of the overall bridge when a bridge girder collides with the parapet wall of the abutment during a large earthquake.
机译：在配备有橡胶轴承支撑并且在地震期间其梁承受较大位移的桥梁中，在膨胀间距不足的情况下，梁与桥台发生碰撞。然而，通过采取诸如加强碰撞构件之类的措施或通过安装碰撞吸收器来限制梁的位移，有可能改善整个桥梁的抗震性能。为了使用这种抗震结构，必须弄清受到碰撞力作用的基台的行为。本文对大地震期间桥台和桥台后土的动力特性以及桥梁与桥台护墙碰撞时整个桥的抗震性能进行了分析研究。

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