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  陸  勇    （愛丁堡大學(xué)工程學(xué)院，愛丁堡，英國(guó)）

[摘要]  多層框架結(jié)構(gòu)的抗震設(shè)計(jì)是結(jié)構(gòu)抗震領(lǐng)域的傳統(tǒng)課題?；诠δ茉O(shè)計(jì)的發(fā)展趨勢(shì)對(duì)多層框架結(jié)構(gòu)的設(shè)計(jì)分析方法提出了許多新的要求。筆者所在研究組針對(duì)相關(guān)問題進(jìn)行了一系列的研究。介紹其中一部分工作及總體分析方法，并對(duì)所涉及的關(guān)鍵問題作簡(jiǎn)要討論。
[關(guān)鍵詞]  多層框架結(jié)構(gòu)；鋼筋混凝土；地震響應(yīng)；基于功能的設(shè)計(jì)
中圖分類號(hào)：TU375.4    文獻(xiàn)標(biāo)識(shí)碼：A    文章編號(hào)：1002-848X(2012) Sl-0025-06

Analysis on seismic performance of multi-storey RC frames: some recent studies
Yong Lu
(Institute for Infrastructure and Environment, School of Engineering, The University of Edinburgh)

Abstract: It is generally known that the seisrmc response of a multi-storey reinforced concrete frame is dependent upon the strength, stiffness, as well as the ductility or energy dissipation characteristics of individual storeys and their relative distribution over the frame height. However, quantitative correlation between the structural responses( chiefly the inter-storey drift and the cumulative damage) and the inherent strength, stiffness and ductility parameters is difficult to establish in a simple and yet rigorous form for design applications. This paper provides an overview of a series of studies that have been aimed at understanding the vertical irregularity in aframe structure and its effect on the seisnuc response of the overall system as well as at critical storeys. Extensive experimental and numerical studies are discussed in light of the vanous irregularity profiles involved. The development of a storey-capacity factor involving both strength and stiffness parameters are then described and its effectiveness in correlating with the inter-storey drift (in statistics terms) is discussed.
Keywords: multi-storey frame structure; reinforced concrete; seisnuc response; performance based design