不同烈度区农村自建砖砌体房屋震害特征研究
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摘要
农村自建砖砌体房屋通常没有正规的设计和施工导致该类房屋抗震性能较差。文中以汶川8.0级地震为例,在不同烈度区选择具有代表性地区的农村自建砖砌体房屋为研究对象,分析了该类型房屋不同烈度区的震害特征。通过使用数量化术语的震害描述,对在不同烈度区的农村自建砖砌体房屋的墙体、楼板屋盖、附属结构的破坏进行了震害分析,得到了地震作用下仅考虑结构振动破坏时该类型房屋的破坏特征。最后也给出了降低农村自建砖砌体房屋震害的一些建议。
Rural self-built brick masonry houses usually have poor seismic performance because of irregular design and construction.Taking MS8.0 Wenchuan earthquake as an example,rural self-built brick houses in representative region at different intensity zones are selected as object to analyze characteristics of seismic damage.The seismic damage to walls,roof and non-structural components of rural brick houses are analyzed at different intensity zones by means of using quantified technical terms to describe seismic damage.Meanwhile,damage features of the kinds of rural houses are obtained under seismic action,in which only the vibration failure is considered.At last,advices for reducing seismic damage to the rural brick houses are given.
Rural self-built brick masonry houses usually have poor seismic performance because of irregular design and construction.Taking MS8.0 Wenchuan earthquake as an example,rural self-built brick houses in representative region at different intensity zones are selected as object to analyze characteristics of seismic damage.The seismic damage to walls,roof and non-structural components of rural brick houses are analyzed at different intensity zones by means of using quantified technical terms to describe seismic damage.Meanwhile,damage features of the kinds of rural houses are obtained under seismic action,in which only the vibration failure is considered.At last,advices for reducing seismic damage to the rural brick houses are given.
引文
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[2]葛学礼,王亚勇,申世元,等.村镇建筑地震灾害与抗震减灾措施[J].工程质量,2005,(12):671-674.Ge Xueli,Wang Yayong,Shen Shiyuan,et al.Seism disaster of building in rural area as well as measures of anti-seism and disaster alleviation[J].Quality of Civil Engineering and Construction,2005,(12):671-674.
[3]王强,王兰民,袁中夏,等.陇南地区农村民房遭受汶川8.0级地震震害分析及启示[J].世界地震工程,2008,24(3):20-4.Wang Qiang,Wang Lanmin,Yuan Zhongxia,et al.The features and earthquake damage lessons on the rural buildings of Longnan suffered fromWenchuan 8.0 earthquake[J].World Earthquake Engineering,2008,24(3):20-24.
[4]GB/T17742—2008,中国地震烈度表[S].GB/T17742-2008,The Chinese Seismic Intensity Scale[S].
[5]GB/T17742—1999,中国地震烈度表[S].GB/T17742-2008,The Chinese Seismic Intensity Scale[S].
[6]胡少卿,孙柏涛,王东明,等.经验震害矩阵的完善方法研究[J].地震工程与工程振动,2007,27(6):46-50.Hu Shaoqing,Sun Baitao,Wang Dongming,et al.Approach to making empirical earthquake damage matrix[J].Journal of Earthquake Engineeringand Engineering Vibration,2007,27(6):46-50.
[7]胡聿贤.地震工程学[M].北京:地震出版社,2006.Hu Yuxian.Earthquake Engineering[M].Beijing:Seismological Press,2006.
[8]中国地震局.汶川8.0级地震烈度分布图[EB/OL].http://www.cea.gov.cn/manage/html/8a8587881632fa5c0116674a 018300cf/_content/08_08/29/1219980517676.html.China Earthquake Administration.Intensity Distribution of the Wenchuan Earthquake[EB/OL].http://www.cea.gov.cn/manage/html/8a8587881632fa5c0116674a018300cf/_content/08_08/29/1219980517676.html.
[9]王兰民,林学文.农村民房抗震理论与技术[M].兰州:甘肃省科学技术出版社,2006.Wang Lanmin,Lin Xuewen.Theory and Technology for Earthquake Resistance of Rural Buildings[M].Lanzhou:Gansu Science Technology Press,2006.
[10]沈聚敏,周锡元,高小旺,等.抗震工程学[M].北京:中国建筑工业出版社,2000.Shen Jumin,Zhou Xiyuan,Gao Xiaowang,et al.Aseismic Engineering[M].Beijing:China Architecture&Building Press,2000.
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