由玉树地震结构震害看村镇房屋抗震
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摘要
根据青海省玉树县7.1级地震后,结古镇的房屋震害调查资料,总结了不同类型结构的破坏比,结合典型震害案例,从抗震概念设计和抗震构造措施角度对村镇房屋的震害原因进行分析,提出了村镇房屋抗震设计存在的问题。最后根据村镇房屋震害特点,从技术和管理2个方面提出了相应的防范措施,以减小地震中的人员伤亡及经济损失。
Based on the structural earthquake damage investigation after the M7.1 Yushu earthquake in Qinghai province,the damage ratios of different types of structures in Jigu town are presented.Then,considering some typical damage cases,reasons for the earthquake damage of the investigated rural buildings are analyzed from the viewpoints of conceptual design and earthquake-resistant constructional measure.Also,the problems lying behind the seismic design of the rural buildings are brought up.Finally,on the basis of the characteristics of earthquake damage to the rural buildings,corresponding earthquake resistant countermeasures in the aspects of technique and management are proposed to reduce the casualties and economic loss in earthquakes.
Based on the structural earthquake damage investigation after the M7.1 Yushu earthquake in Qinghai province,the damage ratios of different types of structures in Jigu town are presented.Then,considering some typical damage cases,reasons for the earthquake damage of the investigated rural buildings are analyzed from the viewpoints of conceptual design and earthquake-resistant constructional measure.Also,the problems lying behind the seismic design of the rural buildings are brought up.Finally,on the basis of the characteristics of earthquake damage to the rural buildings,corresponding earthquake resistant countermeasures in the aspects of technique and management are proposed to reduce the casualties and economic loss in earthquakes.
引文
[1]GB 50011-2001建筑抗震设计规范[S].GB 50011-2001 Code for Seismic Design of Buildings[S].
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[9]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):20-24.WANG Qiang,WANG Lanmin,YUAN Zhongxia,et a1.The features and earthquake damage lessons on the rural buildings of Longnan sufferedfrom Wenchuan 8.0 earthquake[J].World Earthquake Engineering,2008,24(3):20-24.
[10]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.
[2]张敏政.汶川地震中都江堰市的房屋震害[J].地震工程与工程振动,2008,28(3):1-6.ZHANG Minzheng.Building damage in Dujiangyan during M8.0 Wenchuan earthquake[J].Journal of Earthquake Engineering and EngineeringVibration,2008,28(3):1-6.
[3]葛学礼,朱立新,王亚勇,等.村镇建筑震害与抗震技术措施[J].工程抗震,2001,23(1):43-47.GE Xueli,ZHULixin,WANG Yayong,et al.Seismic damage and seismic countermeasures of houses in villages and towns[J].Earthquake Resist-ant Engineering,2001,23(1):43-47.
[4]金波,张敏政,郭迅,等.抗震建筑的结构整体性分析和构造措施[J].世界地震工程,2009,25(2):69-71.JIN Bo,ZHANG Minzheng,GUO Xun,et al.Structural integrity analysis and constructional measures for earthquake resistant buildings[J].WorldEarthquake Engineering,2009,25(2):69-71.
[5]袁一凡.四川汶川8.0级地震损失评估[J].世界地震工程,2008,28(5):10-19.YUAN Yifan.Loss assessment of Wenchuan Earthquake[J].World Earthquake Engineering,2008,28(5):10-19.
[6]张敏政.从汶川地震看抗震设防和抗震设计[J].土木工程学报,2009,42(5):20-23.ZHANG Minzheng.Reflection on the seismic fortification and design in light of the Wenchuan Earthquake[J].China Civil Engineering Journal,2009,42(5):20-23.
[7]郭迅.汶川大地震震害特点与成因分析[J].地震工程与工程振动,2009,29(6):74-87.GUO Xun.Characteristics and mechanism analysis of the great Wenchuan earthquake[J]Earthquake Engineering and Engineering Vibration,2009,29(6):74-87.
[8]王兰民,袁中夏,林学文.甘肃省农村民房地震易损性的调查与分析[J].世界地震工程,2005,21(4):16-25.WANG Lanmin,YUAN Zhongxia,LIN Xuewen.Survey and analysis on the seismic vulnerability of rural buildings in Gansu province[J].WorldEarthquake Engineering.2005,2l(4):16-25.
[9]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):20-24.WANG Qiang,WANG Lanmin,YUAN Zhongxia,et a1.The features and earthquake damage lessons on the rural buildings of Longnan sufferedfrom Wenchuan 8.0 earthquake[J].World Earthquake Engineering,2008,24(3):20-24.
[10]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.
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