砌體結(jié)構(gòu)外套加固設(shè)計方法及試點(diǎn)工程
萬金國1,2,陳晗1,李文峰1,苗啟松1
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萬金國1,2, 陳晗1, 李文峰1, 苗啟松1(1 北京市建筑設(shè)計研究院有限公司, 北京 100045; 2 清華大學(xué)土木工程系, 北京 100084)[摘要]北京市20世紀(jì)70年代左右建造的大量砌體結(jié)構(gòu)住宅,大多不符合現(xiàn)行規(guī)范對結(jié)構(gòu)抗震的要求。經(jīng)過大量的試驗研究和理論分析,提出了外套結(jié)構(gòu)加固的方法。為指導(dǎo)設(shè)計與施工,編制了《北京地區(qū)既有建筑外套結(jié)構(gòu)加固技術(shù)導(dǎo)則》,對該導(dǎo)則進(jìn)行了介紹,對設(shè)計和計算中需要考慮的重點(diǎn)問題進(jìn)行了說明,并結(jié)合試點(diǎn)工程的加固設(shè)計,說明了外套結(jié)構(gòu)加固技術(shù)計算和設(shè)計的基本過程,供同類結(jié)構(gòu)抗震加固設(shè)計時參考。[關(guān)鍵詞]外套結(jié)構(gòu)加固技術(shù); 施工過程; 旋進(jìn)鋼樁中圖分類號:TU318 文獻(xiàn)標(biāo)識碼:A 文章編號:1002-848X(2013)18-0092-04Design method and pilot project of strengthening masonry buildings with exterior coating structureWan Jinguo1,2, Chen Han1, Li Wenfeng1, Miao Qisong1(1 Beijing Institute of Architectural Design Co., Ltd., Beijing 100045, China; 2 Department of Civil Engineering, Tsinghua University, Beijing 100084, China)Abstract: Lots of masonry residential dwellings, which were built around 1970s in Beijing, can not meet the current codes for seismic design. On the base of extensive experimental research and theoretical analysis, strengthening method with exterior coating structure is proposed. To direct the design and construction, The guidance of strengthening methods with exterior coating structure for existing structures in Beijing is compiled. This guidance was introduced emphasizing on critical issues which need to be considered in the design and calculation. Taking a pilot project for example, design and calculation methods of strengthening with exterior coating structure were presented for reference.Keywords: strengthening method with exterior coating structure; construction phase; rotating steel pile作者簡介:萬金國,博士,工程師,wanjinguo83@163.com。參考文獻(xiàn)[1]閤東東,陳曦,苗啟松,等.砌體結(jié)構(gòu)房屋加固足尺試驗?zāi)P蛿?shù)值模擬[J].土木工程與管理學(xué)報,2011,28(3):344-348.[2]GB 50023—2009 建筑抗震鑒定標(biāo)準(zhǔn)[S]. 北京:中國建筑工業(yè)出版社,2009.[3]GB 50367—2006 混凝土結(jié)構(gòu)加固技術(shù)規(guī)范[S]. 北京:中國建筑工業(yè)出版社,2006.[4]JGJ 116—2009 建筑抗震加固技術(shù)規(guī)程[S]. 北京:中國建筑工業(yè)出版社,2009.[5]GB 50010—2010 混凝土結(jié)構(gòu)設(shè)計規(guī)范[S]. 北京:中國建筑工業(yè)出版社,2011.[6]GB 50003—2011 砌體結(jié)構(gòu)設(shè)計規(guī)范[S]. 北京:中國建筑工業(yè)出版社,2011.[7]GB 50011—2010 建筑抗震設(shè)計規(guī)范[S]. 北京:中國建筑工業(yè)出版社,2010.[8]GB 50007—2011 建筑地基基礎(chǔ)設(shè)計規(guī)范[S]. 北京:中國建筑工業(yè)出版社,2012.
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