《Earthquake Engineering and Structural Dynamics》杂志刊登“相邻结构在强地震作用下的结构碰撞。第二部分：多维地震效应”

作者：Sofia Efraimiadou；George D. Hatzigeorgiou；Dimitri E. Beskos

刊物：《Earthquake Engineering and Structural Dynamics》，2013年，42卷第10期，1529-1545页

关键词：非线性抗震行为；结构碰撞；多维地震

摘要：本文研究多维地震引起相邻钢筋混凝土框架结构的碰撞效应。本文对第一部分中的四个平面框架结构和九个不同相邻钢筋混凝土结构对进行了进行检验，本次地震试验输入了五个不同的实际地震波。由于在任意两个大地震动之间没有足够的时间去进行结构震后修复，这一系列的地震动导致结构产生了重大的损伤。随后研究了多维地震各种参数影响对顶层最大水平位移、柱子延性和塑性位移等的影响。最后，以相邻两框架结构中的间隔作为研究对象研究了其对框架行为的影响。研究表明，在多数情况下，多维地震序列相比于一维地震似乎是有害的。

Structural pounding between adjacent buildings subjected to strong ground motions. Part II: The effect of multiple earthquakes

Authors: Sofia Efraimiadou；George D. Hatzigeorgiou；Dimitri E. Beskos

Journal: Earthquake Engineering and Structural Dynamics, Volume 42, Issue 10, pages1529-1545, August2013

Key words: non-linear seismic behaviour; structural pounding; multiple earthquakes

Abstract: The effect of collision between adjacent reinforced concrete building frames under multiple earthquakes is investigated in this paper. The four planar frames and the nine different pairs of adjacent reinforced concrete structures of the first companion paper are also examined here, under five real seismic sequences. Such a sequence of earthquakes results in a significant damage accumulation in a structure because any rehabilitation action between any two successive seismic motions cannot be practically materialized because of lack of time. Various parameters are investigated, such as the maximum horizontal displacement of top floor, ductility of columns, permanent displacements and so on. Furthermore, four different separation gaps between the building frames are considered to determine their influence on the behavior of these frames. It is concluded that in most of the cases, the seismic sequences appear to be detrimental in comparison with the single seismic events. 

原文链接：http://onlinelibrary.wiley.com/doi/10.1002/eqe.2284/abstract