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Geotechnical and Geological Engineering
Published in: Geotechnical and Geological Engineering 3/2019

14-09-2018 | Original Paper

Risk Assessment of Floor Water Inrush Using Entropy Weight and Variation Coefficient Model

Authors: Q. Li, X. X. Meng, Y. B. Liu, L. F. Pang

Published in: Geotechnical and Geological Engineering | Issue 3/2019

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Abstract

In order to solve the problem of variation degree of water inrush factors in floor, the geological data of No. 315 mining area in Huatai Coal Mine were taken as engineering background. Entropy weight method (EWM) was combined with variation coefficient method (VCM) to construct the comprehensive weighting vulnerability index model to determine the weight of each factor. At the same time, the weighted value was combined with the geographic information system to draw the risk zoning map of floor water inrush to predict the risk of floor water inrush. The results show: (1) fault fractal dimension is used to increase the accuracy of prediction of floor water inrush and easy to calculate. (2) The combination of EWM and VCM can weaken the influence of abnormal indexes and make the weighting results more real and reasonable. (3) Compared with the method of water inrush coefficient, the prediction result of the vulnerability index model with comprehensive weight is more accurate, which beneficial for Huatai coal mine safety production.
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Metadata
Title
Risk Assessment of Floor Water Inrush Using Entropy Weight and Variation Coefficient Model
Authors
Q. Li
X. X. Meng
Y. B. Liu
L. F. Pang
Publication date
14-09-2018
Publisher
Springer International Publishing
Published in
Geotechnical and Geological Engineering / Issue 3/2019
Print ISSN: 0960-3182
Electronic ISSN: 1573-1529
DOI
https://doi.org/10.1007/s10706-018-0702-9

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