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九寨沟7.0级地震甲蕃古城震害特征研究
洪海春,李曙光,彭小波,鄢兆伦
作者单位
洪海春 江苏省地震局, 南京市卫岗3号 210014 
李曙光 江苏省地震局, 南京市卫岗3号 210014 
彭小波 江苏省地震局, 南京市卫岗3号 210014 
鄢兆伦 江苏省地震局, 南京市卫岗3号 210014 
摘要:
在九寨沟7.0级地震现场震害调查的基础上,研究甲蕃古城及其周边出现的崩塌和滑坡、玻璃固定窗的破损和局部倒塌、片石砌体结构房屋倒塌、房屋开裂破坏等典型震害特征,分析了鞭梢效应等,探讨了改善房屋建筑抗震性能的构造措施和Ⅷ度区的烈度评定方法及依据等,以期为房屋建筑的抗震设防、减轻震害损失以及烈度评定等提供参考。
关键词:  九寨沟7.0级地震  震害特征  鞭梢效应  抗震性能  烈度评定
DOI:
分类号:P315.9
基金项目:中国地震局地震科技星火计划攻关项目(XH15019)、江苏省科技厅项目(BE2014731)共同资助
Research on earthquake damage characteristics in the Jiabo old city induced by the Jiuzhaigou MS7.0 earthquake
Hong Haichun,Li Shuguang,Peng Xiaobo,Yan Zhaolun
Abstract:
Based on the data of the field investigation, we carried out researches on the damage characteristics in the Jiabo old city induced by Jiuzhaigou MS7.0 earthquake. It is found that the typical damage characteristics mainly include rock slope and landslide, fixed glass window damage and building local collapse, rubble masonry structure collapse, and wall cracking. We analyzed the whipping effect of the formation mechanism of the destroyed buildings, and discussed the improved construction measures of anti-seismic capacity of buildings. The measures and reasons of intensity evaluation in the intensity Ⅷ are offered.to provide reference to the earthquake fortification of buildings, the reduction of damage loss, and intensity evaluation.
Key words:  Jiuzhaigou MS7.0 earthquake  Earthquake damages characteristics  Whipping effect  Anti-seismic capacity of buildings  Intensity evaluation