浙江文成地震水坝现场调查

Earthquake field investigation on reservoir dams in Wencheng County,Zhejiang Province

2006年2月4日起,浙江省温州市文成县连续发生了多起有感地震,其中最大的震级为ML4.6。地震发生后,中国地震局派遣的工作组对文成县的水库大坝进行了现场调查。这里介绍了地震的概况和现场调查的情况,以及基于地震监测和日常监测(坝体变形、坝体表面检查等)的结果,对坝体的安全性进行了评估,并提出了一些建议。

After February fourth 2006, a series of perceptible earthquake with maximum magnitude ML 4.6 occurred in Wencheng County of Zhejiang Province. The reservoir dams were investigated by working group sent by China Earthquake Administration after the earthquakes. In this paper, the results of field investigation of the dams are introduced. The safety assesment of dams are conducted on the basis of the results of seismic and routine monitoring （dam＇s deformation and surface check） and some suggestions are given.