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filling special cementitious material is a kind of high-performance cementitious material, which is made of fine-grained tailings and other industrial wastes as the main raw materials (the utilization rate of solid wastes can be more than 60%), guided by the active excitation theory and prepared by grinding process; as a substitute of cement in underground filling work, using filling special cementitious material can not only significantly reduce the mine the filling cost can also improve the strength of the mine filling body, effectively reduce the tailings storage, reduce the environmental pollution and ecological damage caused by tailings, with significant economic and social benefits.
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