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请问什么是抗震设防

请问什么是抗震设防

浏览：36次 | 提问时间： 07-06 08:25

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Sunshne阳光 07-06 08:26

抗震设防简单地说，就是为达到抗震效果，在工程建设时对建筑物进行抗震设计并采取抗震设施。抗震措施是指除地震作用计算和抗力计算以外的抗震设计内容，包括抗震构造措施。《建筑抗震设计规范》规定，抗震设防烈度在6度及以上地区的建筑，必须进行抗震设防。
抗震设防通常通过三个环节来达到：确定抗震设防要求，即确定建筑物必须达到的抗御地震灾害的能力；抗震设计，采取基础、结构等抗震措施，达到抗震设防要求；抗震施工，严格按照抗震设计施工，保证建筑质量。上述三个环节是相辅相成密不可分的，都必须认真进行。

時光盜走了容顔和愛人 07-06 08:34

在建筑工程领域，简单的讲要对超限高层建筑要进行抗震专项审查。其它行业按行业规定。总的指导思想是，规范都有一个适用范围，一般都要作一些限制规定，但又不能限制太死，否则，就不利于建筑技术的发展，因此，为了促进建筑技术的发展和稳妥起见，国家规定要对超出规范规定限制的建筑进行专项抗震审查。所谓超限高层建筑工程，是指超出国家现行规范、规程所规定的适用高度和适用结构类型的高层建筑工程，体型特别不规则的高层建筑工程，以及有关规范、规程规定应进行抗震专项审查的高层建筑工程。在抗震设防区内进行超限高层建筑工程的建设时，建设单位应当在初步设计阶段向工程所在地的省、自治区、直辖市人民政府建设行政主管部门提出专项报告。超限高层建筑工程所在地的省、自治区、直辖市人民政府建设行政主管部门，负责组织省、自治区、直辖市超限高层建筑工程抗震设防专家委员会对超限高层建筑工程进行抗震设防专项审查。希望我的回答能帮助你

未来是你 07-06 08:42

你好，说白了就是可以防地震的。
建筑工程分为以下四个抗震设防类别：
1、特殊设防类：指使用上有特殊设施，涉及国家公共安全的重大建筑工程和地震时可能发生严重次生灾害等特别重大灾害后果，需要进行特殊设防的建筑。简称甲类。甲类建筑应按高于本地区抗震设防烈度提高一度的要求加强其抗震措施；抗震设防烈度为9度时应按比9度更高的要求采取抗震措施。同时，应按批准的地震安全性评价的结果且高于本地区抗震设防烈度的要求确定其地震作用。
2 、重点设防类：指地震时使用功能不能中断或需尽快恢复的生命线相关建筑，以及地震时可能导致大量人员伤亡等重大灾害后果，需要提高设防标准的建筑。简称乙类。乙类建筑应按高于本地区抗震设防烈度一度的要求加强其抗震措施；但抗震设防烈度为9度时应按比9度更高的要求采取抗震措施；地基基础的抗震措施，应符合有关规定。同时，应按本地区抗震设防烈度确定其地震作用。
3、标准设防类：除1、2、4以外的大多数建筑按标准要求进行设防，简称丙类。丙类建筑应按本地区抗震设防烈度确定其抗震措施和地震作用，达到在遭遇高于当地抗震设防烈度的预估罕遇地震影响时不致倒塌或发生危及生命安全的严重破坏的抗震设防目标。
4 、适度设防类：指使用上人员稀少且震损不致产生次生灾害，允许在一定条件下适度降低要求的建筑。简称丁类。丁类建筑允许比本地区抗震设防烈度的要求适当降低其抗震措施，但抗震设防烈度为6度时不应降低。一般情况下，仍应按本地区抗震设防烈度确定其地震作用。
希望能帮到您！

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