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（上海城鄉(xiāng)建筑設(shè)計(jì)院有限公司， 上海 201103）

［摘要］基礎(chǔ)隔震技術(shù)是工程結(jié)構(gòu)抗震救災(zāi)的有效途徑之一。本文對(duì)某框架結(jié)構(gòu)采用基礎(chǔ)隔震技術(shù)進(jìn)行設(shè)計(jì)和分析，闡述了隔震的基本理論、隔震支座和阻尼器等隔震裝置；總結(jié)了基礎(chǔ)隔震計(jì)算模型與動(dòng)力分析方法，介紹了隔震設(shè)計(jì)的基本原則與重要參數(shù)；針對(duì)三種與隔震設(shè)計(jì)相關(guān)標(biāo)準(zhǔn)進(jìn)行了研究，對(duì)比分析了在適用范圍等方面的區(qū)別和聯(lián)系；將基礎(chǔ)隔震技術(shù)應(yīng)用到工程實(shí)例，采用大型有限元分析軟件對(duì)處于Ⅳ類(lèi)場(chǎng)地某多層框架結(jié)構(gòu)進(jìn)行抗震和隔震結(jié)構(gòu)在地震時(shí)程下的對(duì)比分析。

［關(guān)鍵詞］框架結(jié)構(gòu)； 基礎(chǔ)隔震； 隔震設(shè)計(jì)； 隔震支座

中圖分類(lèi)號(hào)： TU352.12 文獻(xiàn)標(biāo)識(shí)碼： A文章編號(hào)：  1002-848X(2016)S1-0445-05

Analysis of base isolation design for a frame construction

Xiao Lilin

(Shanghai Chengxiang Architectural Design Institute, Shanghai 201103, China,)

Abstract: Base-isolation technique has been considered is one of the effective ways to resist earthquakes. The design and analysis of based isolation of a frame construction were introduced. The basic theory of isolation technology and the bearings and dampers isolation device were discribed. The different model of base isolation and dynamic analysis methods were summarized, the basic principle and important parameters of seismic isolation design were introduced. According to the three and isolation design related standards of research, comparative analysis of them in the range of application and others of the difference and connection were done. The base isolation technology was applied to the engineering example, adopting the finite element analysis software for comparative analysis of the original frame structure and the isolation structure in earthquake.

Keywords: frame construction; base isolation; isolation design; isolation bearing