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人防工程板柱结构抗震措施探讨
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摘要
地震是影响人防工程平时安全的重要因素。针对人防工程普遍采用的板柱结构形式,分析了震害特征,得出了钢筋混凝土中柱和板柱节点是抗震薄弱环节,提出了采用钢管混凝土中柱、中柱加设叠层橡胶垫、加强板柱节点构造3种抗震措施。为人防工程抗震设计和加固改造提供了有益的参考。
The earthquake is the important factor influencing peacetime safe of civil air defense engineering. According to the flat slab form adopted widely in civil air defense engineering, the seismic disaster characteristics are analyzed. It is summarized that reinforced concrete middle standingpillar and slab-column joint are weakness parts. The three measures about earthquake resistance and shock absorption are put forward. They are adopted steel tube concrete middle standingpillar, adding laminated rubber bearing in the middle standingpillar, reinforced the slab-column joint. This provides beneficial references for the earthquake resistance design and retrofitting of civil air defense engineering.
引文
[1]于翔,赵跃堂,郭志昆.人防工程的抗地震问题[J].地下空间,2001,21(1):28-32
    [2]冯进技,卫明山,杜建国.无梁楼盖人防工程地震破坏形态与机理探讨[J].防护工程,2012,34(6):34-37
    [3]郑永来,杨林德,李文艺,等.地下结构抗震[M].上海:同济大学出版社,2005
    [4]中华人民共和国国家标准,混凝土结构设计规范[M](GB50010-2010).北京,2010
    [5]张国华.加强钢筋混凝土板柱节点的抗震构造[J].新疆石油科技,2000,10(3):42-44

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