论文部分内容阅读
一、工程概况墨江金矿尾矿库建于云南省墨江县境内,用于堆存每日100 t选厂的尾矿。选厂服务年限18年,尾矿总量为38.5万m~3。初期坝建在渗透性较弱的第四系坡洪积和残积粘土层上,库区和坝址无不良地质现象。初期坝采用透水堆石坝,坝高29m,坝顶长91m,坝顶宽4m,上下游坝坡均为1:2,堆石的孔隙率为35%,采用了15t振动碾层层压实的
First, the project profile Mojiang gold mine tailings library was built in Mojiang County, Yunnan Province, for daily storage of 100 t tailings plant. Dressing plant service life of 18 years, a total of 385,000 m 3 tailings. The initial dam was built on the Permian paleoclimate and residual clay layer with weak permeability. There was no adverse geological phenomenon in the reservoir area and the dam site. The initial dam is made of permeable rockfill dam with a height of 29m, a crest of 91m, a crest width of 4m, upstream and downstream dam slopes of 1: 2 and a rockfill porosity of 35%. A 15t vibratory milling compaction of