結(jié)構(gòu)的堅(jiān)固性及鋼筋混凝土房屋防連續(xù)倒塌設(shè)計(jì)概念
胡慶昌
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(北京市建筑設(shè)計(jì)研究院 100045)［提要］考慮意外事件不致引發(fā)房屋非比例破壞，結(jié)構(gòu)不僅應(yīng)具有足夠的承載力、延性，還應(yīng)有一定的堅(jiān)固性。對結(jié)構(gòu)的破壞形式和結(jié)構(gòu)的堅(jiān)固性表現(xiàn)形式作了介紹，對其要求進(jìn)行了探討，并從結(jié)構(gòu)體系、構(gòu)件的受力性能等方面提出了鋼筋混凝土房屋防連續(xù)倒塌的若干設(shè)計(jì)概念。［關(guān)鍵詞］ 結(jié)構(gòu)堅(jiān)固性 非比例破壞 連續(xù)倒塌Structural Robustness and Design Conception Regarding Prevention of Psogressive Collapse of RC Building/Hu Qingchang (Beijing Institute of Architectural Design, Beijing 100045, China)Abstract: Considering accidental loads due to extreme events, structure should not only possess enough strength and ductility but also robustness. The robustness and its requirement are discussed. Finally, conception regarding prevention of progressive collapse of RC structure is introduced.Keywords: structural robustness; disproportionate collapse; progressive collapse
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