Research on Nazixia Water Power Station Rock-fill Dam Rolling Parameter Experiment of Datong River in Qinghai Province

On the experiment of concrete face rock fill dam gravel sand filling-rolling of Nazixia water power station of Datong river in Qinghai province, the site, the material and the layout are analyzed, according to the sedimentation experiment, grain experiment and moisture content rate experiment, the gravel sand filling optimal rolling construction parameters are decided.