Through theoretical analysis and laboratory tests the main conclusions of research is as followed: It is effective to implement back filling technique in caving zone and breaking zone, control overburden rock mining subsidence, eliminate surface subsidence and protect the safety of the surface buildings.

  • 通过理论分析和实验室试验,得出:实施垮落带和裂隙带注充技术可有效的控制覆岩采动下沉,消除地表沉降,保护地表建筑物、构筑物的安全。

  • 互联网摘选 2025-01-20 12:42:08

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