2011•Advanced materials researchOpen access

Dynamic Modeling of Surface Subsidence Induced by Underground Mining

Hao Liang Han, Nai Lian Hu, Bo Di Cui

Abstract

A new time function was proposed to cover the disadvantage of knothe time function in predicting surface subsidence by adding parameter k. The velocity and acceleration of the progressive surface subsidence obtained from this new time function were compared with actual subsidence data from an iron mine in China. Combining this new time function with section function of surface subsidence basin, a dynamic mode was proposed to predict surface subsidence induced by underground mining and a case study based on this model was carried out. It shows that this model accurately represents the actual subsidence pattern observed. Instruction

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Available abstract

Key concepts: Groundwater-related subsidence, Subsidence, Geology, Function (biology), Acceleration, Underground mining (soft rock), Geotechnical engineering, Surface (topology)