长河坝水电站大坝砾石土心墙检测试验数据分析  

Test Data Analysis of Gravel Soil Core Wall of the Dam of Changheba Hydropower Station

作　　者：刘立超 吴先加 LIU Lichao;WU Xianjia(Sichuan Ertan International Engineering Consultant Co., LTD, Chengdu, Sichuan, 611130;Ganzi Hydropower Development Co., LTD, Datang, Chengdu, Sichuan, 610072)

机构地区：[1]四川二滩国际工程咨询有限责任公司,四川成都611130 [2]四川大唐国际甘孜水电开发有限公司,四川成都610072

出　　处：《四川水力发电》2020年第S02期94-97,共4页Sichuan Hydropower

摘　　要：长河坝水电站大坝为采用砾石土心墙防渗的超高土石坝,大坝砾石土料源的质量、填筑压实质量、渗透等均为评估大坝渗漏安全性和稳定性的重要依据。阐述了以长河坝水电站大坝砾石土料源质量、砾石土料填筑压实质量、固定断面的渗透系数等技术指标的试验检测数据为研究对象,综合评估了长河坝水电站大坝砾石土心墙的渗漏安全性及稳定性用以验证砾石土防渗料填筑施工工艺在大型土石坝建设中应用的成熟性。The dam of Changheba Hydropower Station is an ultra-high earth rock dam with gravel soil core wall for seepage control.The gravel soil material source quality,filling and compaction quality and permeability are important basis for evaluating the safety and stability of dam seepage.The test data analysis of gravel soil source quality,gravel soil filling and compaction quality,permeability coefficient of fixed section and other technical indexes of Changheba Hydropower Station are described,and the seepage safety and stability of gravel soil core wall of Changheba Hydropower Station are comprehensively evaluated to verify the maturity of gravel soil impervious material filling construction technology in large earth rock dam construction.

关 键 词：长河坝水电站 砾石土心墙 检测试验 数据分析 

分 类 号：TV7[水利工程—水利水电工程] TV51