Preprint Article Version 1 This version is not peer-reviewed

Study of theoretical Model and Engineering Practice of Coalmine Underground Reservoir Capacity

Version 1 : Received: 29 August 2018 / Approved: 3 September 2018 / Online: 3 September 2018 (11:55:39 CEST)

How to cite: Fang, J.; He, Y.; Chong, S.; Xing, Z.; Feng, F.; Huang, J.; Xu, D. Study of theoretical Model and Engineering Practice of Coalmine Underground Reservoir Capacity. Preprints 2018, 2018090030 (doi: 10.20944/preprints201809.0030.v1). Fang, J.; He, Y.; Chong, S.; Xing, Z.; Feng, F.; Huang, J.; Xu, D. Study of theoretical Model and Engineering Practice of Coalmine Underground Reservoir Capacity. Preprints 2018, 2018090030 (doi: 10.20944/preprints201809.0030.v1).

Abstract

The coal mine underground reservoir is an appropriate solution between coal mining and groundwater resource protection and utilization. By calculating the storage capacity of a groundwater reservoir, the storage coefficient has been proved to be always an empirical value. Based on the mathematical derivation of the vertical fracture area ratio and the horizontal fracture area rate of the collapse zone and the fissure zone in the goaf area of the coal seam, the mathematical models of tem are derived, and the model for calculating the water storage coefficient is derived. The water storage coefficient derived from the theoretical model had more basis and more advanced than the traditional empirical value. By using this method, the practical calculation of No.1 underground reservoir of the DaLliuta Coalmine in Shenhua Shendong, has got a perfect matching with the actual groundwater storage capacity.

Subject Areas

Coal mine; Underground reservoir; Reservoir capacity; Theoretical model

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