尾矿的物理力学性质如干密度、强度等与其堆存深度关系的密切程度与一般的土有较大的区别。
The tailing is different from common soil in the relation of the physical and mechanical properties (such as dry density and strength) with the stockpiling depth.
川南地区有丰富的硫铁矿资源，在开发硫铁矿过程中堆存和排放了大量的尾矿——含黄铁矿高岭石粘土。
There are abundant pyrite resources in south Sichuan region, and numerous pyrite tailings produced in the course of development and utilization were dumped.
滤饼干式堆存，不但减少了环境污染，又能确保尾矿库的长期安全。
Furthermore, the dry heaping of filter cake not only lighten environmental pollution but also keep safety of tailing pool.
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