7·22甘肃岷县漳县6.6级地震,将人们的目光聚集到甘肃东南部山区——这块风景优美、文化底蕴深厚,深藏在我国大陆中部的神秘土地。这次地震,极震区地震烈度达Ⅷ度,Ⅵ度区以上面积达1.6万平方千米,涉及甘肃省5个市州13个县,近百万人受灾,灾区民众生产生活受到重创。从震害防御角度看,当地农村民居基本上是自建的土坯房,抗震能力薄弱。加之黄土覆盖层较厚的地质条件,地震的破坏强度加大,致使农村房屋垮塌、道路损毁严重。当地村民之所以建土坯房,主要是观念问题,祖辈都住这样的房子,因而 Earthquake in Zhang County, Min County, Gansu Province, gathered people’s attention in the mountains of southeastern Gansu - a mysterious land with a beautiful scenery and profound cultural heritage hidden in the central mainland China. In the earthquake, the earthquake intensity in the extremely shock zone reached Ⅷ degree, and the area above the Ⅵ area reached 16,000 square kilometers, involving 13 counties in 5 cities and prefectures of Gansu Province. Nearly 1 million people were affected and the people’s production and living in the affected areas were hit hard. From the perspective of earthquake damage prevention, the local rural dwelling houses are basically self-built adobe houses with weak seismic capacity. Coupled with the loess cover thick geological conditions, the earthquake damage intensity increases, resulting in the collapse of rural housing, road damage is serious. The reason why local villagers build adobe houses, mainly conceptual issues, grandparents live in such a house, and thus