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J. Y. Xu1) and T. A. Diany2)1) Central Engineering & Research Institute for Non - Ferrous Metallurgical Industries , Beijing 100088 , China2) Chambishi Copper Mine , Za mbia
金属学报(英文版)
The application of lead as tem porary w ater - sealing m aterial for the stan dpipes in under ground mine is reported . It is considered that lead is a good w ater - sealing m aterial in un derground mine , especially for irregular opening with high - pressure rushing w ater . Leadseal is cheap , easy to use and less har m ful to w orkers an d environ m ent and m ay have widerapplication .
关键词: w ater sealing m aterial , null , null