Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2014 Vol: 6 Issue: 6

Characteristics and formation mechanism of water abundance of the upper limestone of Taiyuan formation in the Huaibei coalfield


This paper, based on hydrogeological conditions of Zhahe river and Linhuan mining areas in Huaibei coalfield, analyzes the effects of recharge conditions to the upper limestone water abundance, and studies the law that the upper limestone aquifer increases and water abundance is gradually weakened as buried depth changes. The results turn out that with the increase in buried depth, limestone aquifer permeability coefficient will decrease with negative exponential trend. The decrease of aquifer permeability coefficient leads to the slowdown of karst fracture development. The research provides frame of reference for risk assessment of water inrush from seam floor during mining of limestone aquifer of Huaibei coalfield.

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