岩滩坝区F_1断层特征及其影响

Characteristics and Influences of F_1 Fault in Yantan Site Area

介绍岩滩水电站在选坝阶段勘察时查明Ⅱ坝址顺右河槽分布的F1大断层的性状、特征及其对坝址选择的决定性影响。认为Ⅱ坝址建坝和建库均存在严重问题，经审查放弃了Ⅱ坝址，选择了Ⅲ坝址。

This paper introduces the properties, characteristics of F1 fault and its decisive influences to the selection ofsite,which is fed in reconnaissance during the site selection penal and located in site Ⅱ along the right river channel.The conclusion is that site Ⅲ is better than site Ⅱ due to the serious problems of site Ⅱ for building dam and reservopr.