Analysis of the response subsidence and grouting treatment in the goaf of multi-layer inclined coal seam
Xuhe Gao,
Weiping Tian,
Qinggang Pang
et al.
Abstract:Based on existing researches, field drillings and numerical simulations are carried out in this paper to analyze the problems of subsidence control in the goaf of multi-layer inclined coal seam. Midas/GTS NX is used to build a three-dimensional calculation model of the goaf. A new method of using borehole data to check simulation parameters is proposed. The whole process of goaf excavation, construction of roadbed (pile foundation) and grouting treatment is analyzed. Analysis theory of different subgrade const… Show more
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