软岩筑坝技术在卡洛特沥青混凝土心墙堆石坝的实践与探索  

Soft Rock Dam Construction Technology in Karot Asphalt Concrete Core Rockfill Dam:Practice and Exploration

作　　者：万云辉 张超 孔凡辉 吴超 WAN Yunhui;ZHANG Chao;KONG Fanhui;WU Chao(Changjiang Survey,Planning,Design and Research Co.,Ltd.,Wuhan 430010,China)

机构地区：[1]长江勘测规划设计研究有限责任公司,湖北武汉430010

出　　处：《水电与新能源》2023年第11期1-4,共4页Hydropower and New Energy

摘　　要：巴基斯坦卡洛特水电站坝址区地震基本烈度为Ⅷ度,地层为新生界上第三系沉积岩和第四系崩坡积及冲积物构成,岩性主要为中砂岩、细砂岩、泥质粉砂岩及粉砂质泥岩等软岩或较软岩。为充分利用当地材料筑坝以节省工程投资,卡洛特水电站沥青混凝土心墙堆石坝全断面采用软岩筑坝。系统总结了软岩筑坝技术在卡洛特沥青混凝土心墙堆石坝工程中的应用情况,并结合运行初期及其后的大坝安全监测数据分析,说明了软岩筑坝技术的特点和解决方案,可供类似工程设计参考。The basic earthquake intensity in the dam site area of Pakistan Karot Hydropower Station is of gradeⅧ.The foundation strata is composed of Tertiary sedimentary rocks and Quaternary colluvial deposits of Cenozoic Era.The lithology is mainly soft rocks such as medium sandstone,fine sandstone,argillaceous siltstone and silty mudstone.In order to make full use of local materials and reduce the investment,the whole section of the Karot asphalt concrete core rockfill dam is constructed with these soft rock materials.This paper systematically summarizes the application of the soft rock construction technology in Karot project.Also,the characteristics and engineering solutions of soft rock dam construction technology are illustrated with the analysis of the dam safety monitoring data during the initial operation period and afterwards.It can be useful reference for the design of similar projects.

关 键 词：软岩筑坝技术 沥青混凝土心墙堆石坝 高地震区 实测数据 

分 类 号：TV641.4[水利工程—水利水电工程]