提高多层砌体房屋抗震能力初探
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摘要
针对多层砌体房屋在历次地震中损坏严重的现象,结合工程实践经验,提出抗震设防措施:利用地基与基础之间的褥垫层消减地震波;加强圈梁、构造柱的设置;适当增加含钢量;慎重对待鞭梢效应;有意设置避难空间;并将"三角形"的稳定性融入结构的抗震概念设计之中。
Considering phenomenon of severe damage of multi-story masonry buildings in previous earthquakes and combining of engineering expertise,some earthquake-proof measures have been proposed as follows: to reduce seismic wave with a cushion bedding between underground and foundation;to enhance ring beam and structural columns;to appropriately reinforce structure;to carefully treat whiplash effect;to intendedly add shelter space;and to integrate a "triangle" stability into seismic structure design concept.
Considering phenomenon of severe damage of multi-story masonry buildings in previous earthquakes and combining of engineering expertise,some earthquake-proof measures have been proposed as follows: to reduce seismic wave with a cushion bedding between underground and foundation;to enhance ring beam and structural columns;to appropriately reinforce structure;to carefully treat whiplash effect;to intendedly add shelter space;and to integrate a "triangle" stability into seismic structure design concept.
引文
[1]GB 50011-2010,建筑抗震设计规范[S].
[2]徐有邻,周氐.混凝土结构设计规范理解与应用[M].北京:中国建筑工业出版社,2002.
[3]GB 50003-2001,砌体结构设计规范[S].
[4]娄宇,叶正强,胡孔国,等.四川汶川5.12地震房屋震害分析及抗震对策建议[J].建筑结构,2008,38(8).
[2]徐有邻,周氐.混凝土结构设计规范理解与应用[M].北京:中国建筑工业出版社,2002.
[3]GB 50003-2001,砌体结构设计规范[S].
[4]娄宇,叶正强,胡孔国,等.四川汶川5.12地震房屋震害分析及抗震对策建议[J].建筑结构,2008,38(8).
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