中小學(xué)教學(xué)樓消能減震設(shè)計(jì)與分析
蘇冠興1,2，李世宏1,2
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（1 江蘇省蘇科建設(shè)技術(shù)發(fā)展有限公司，南京 210008；2 江蘇省建筑科學(xué)研究院有限公司，南京 210008）[摘要] 本文分析了新抗震規(guī)范頒布實(shí)施后中小學(xué)加固中框架結(jié)構(gòu)教學(xué)樓存在的問題，主要有單跨框架，梁、柱承載力不足，構(gòu)造措施不滿足要求等。分析了采用消能減震設(shè)計(jì)解決這些問題的可行性、經(jīng)濟(jì)行、時(shí)效性，闡述了消能減震結(jié)構(gòu)設(shè)計(jì)原理。以某教學(xué)樓為例，采用粘滯流體阻尼器加固后，地震作用減小30%左右，基本滿足了地震設(shè)防烈度降低一度的要求，使原結(jié)構(gòu)構(gòu)造措施滿足了規(guī)范要求，不需采用其他加固措施。[關(guān)鍵詞] 結(jié)構(gòu)加固；消能減震；粘滯流體阻尼器；框架結(jié)構(gòu)；教學(xué)樓中圖分類號(hào)：TU352.1 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2013)S1-1208-05作者簡介：蘇冠興，男，工學(xué)碩士，工程師，Email：sgx_25@163.com；李世宏，男，工學(xué)博士，研究員級(jí)高級(jí)工程師。Energy dissipation design and analysis of teaching buildingsSu Guanxing1,2 , Li Shihong1,2（1 Jiangsu Suke Construction Technology Co., Ltd. , Nanjing 210008 , China; 2 Jiangsu Research Institute of Building Science Co., Ltd., Nanjing 210008, China)Abstract: In this article, The problems of teaching buildings of the frame structure were analyzed, after the new seismic code promulgation and implementation. They are mainly single cross-frame, beams and columns inadequate bearing capacity, structural measures does not meet the requirements. The feasibility of energy dissipation reduction design to solve these problems was analyzed, and the structural design principle of energy dissipation was expounded. A classroom building which using the reinforcement of the viscous fluid dampers, seismic action decreases by about30%, basically meet the seismic fortification intensity to reduce the yearly requirements,so that the original texture and structure measures can meet the specification requirements without using other measures.Keywords: structural reinforcement; energy dissipation; viscous fluid damper; frame structure; teaching building
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