白河水电站坝基岩体长大结构面分析与处理  

Analysis and treatment of long and large structural plane of dam foundation rock mass in Baihe Hydropower Station

作　　者：刘高峰 林仕祥 向能武 唐良辉 廖伟 LIU Gaofeng;LIN Shixiang;XIANG Nengwu;TANG Lianghui;LIAO Wei(Changjiang Geotechnical Engineering Corporation(Wuhan),Wuhan 430010,China;CGN Hanjiang Hydropower Development Co.,Ltd.,Ankang 725800,China)

机构地区：[1]长江岩土工程总公司(武汉),湖北武汉430010 [2]中广核汉江水电开发有限公司,陕西安康725800

出　　处：《人民长江》2021年第12期122-125,145,共5页Yangtze River

摘　　要：白河水电站一期泄洪闸坝基岩体开挖揭露出3条长大结构面,对坝基及上部建筑物的稳定影响较大,一度严重制约工程顺利建设,且不利于工程安全。通过分析与研究长大结构面的发育特征、结构面性状,评价其对大坝的不利影响,针对不同的结构面及时提出了切实可行的处理措施建议,并付诸实施,以满足大坝坝基变形与抗滑稳定的要求。工程蓄水运行实践表明:工程处理效果良好,对长大结构面进行及时而有效的处理对电站一期工程的顺利建设和投运、确保工程安全具有重要意义。During excavation of the dam foundation of the first-stage flood discharge sluice of Baihe Hydropower Station,three long and large structural planes were exposed,which had great influence on the stability of the dam foundation stability and the upper buildings,and once seriously restricted the smooth construction of the project and was unfavorable to the safety of the project.In this paper,the development characteristics and structural face traits of the three long and large structural planes were analyzed,and their adverse effects on the dam were evaluated.In view of different structural planes,practical and feasible treatment measures were proposed and put into practice to meet the requirements of dam foundation deformation and anti-sliding stability.The operation of this project proved that the engineering treatment effect was good.Timely and effective treatment for long and large structural planes was of great significance to the smooth construction and operation of the first phase of the power station project and to ensuring the safety of the project.

关 键 词：长大结构面 发育特征 处理措施 泄洪闸坝基 白河水电站 

分 类 号：P642[天文地球—工程地质学]