Grading exploitation of rock-filling materials has great impact on face rock-fill dam filling and construction cost. 摘要面板堆石坝堆石料的级配开采对大坝的填筑质量和施工成本影响重大。
The concrete face rockfill dam of Lianhua Hydropower Station is the first large scale face rockfill dam in the cold region in China at present. 莲花水电站建设的混凝土面板堆石坝，是目前我国在寒冷地区修建的第一座大型面板堆石坝。
