JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2014, Vol. 44 ›› Issue (5): 58-64.doi: 10.6040/j.issn.1672-3961.0.2014.152

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Research on quantitative analysis of water inrush through risk based on fault impact factor and fault fractal dimension characteristics

GUO Xinshan1,2, SHI Longqing3   

  1. 1. Faculty of Resource and Safety Engineering, China University of Mining & Technology-Beijing, Beijing 100083, China;
    2. Shandong Energy Group Co., Ltd, Jinan 250014, Shandong, China;
    3. College of Geological Sciences & Engineering, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
  • Received:2014-06-03 Revised:2014-09-24 Published:2014-06-03

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Abstract: Xinwen coalfield was severely threatened by water inrush in ordovician limestone karst region,which was the main factor inducing water inrush accidents in mines. Aiming to solve the water inrush induced by fault, quantitative analysis system on water inrush in ordovician according to fault was established based on a systematical summary of the factures of the distribution and regularity of the fault structure in Xinwen coalfield. The fault influencing factor was introduced to quantitatively analyze the risk of the water inrush in floor. Nonlinear theory was adopted to quantitatively study the development characteristics of colliery geological structure. Features of fractal dimension in mining were revealed. Features of fractal dimension in fault and risk zoning principle and method of its influence on what inrush were proposed. A method by merging fault influencing factor contour and fault fractal dimension contour was adopted and a distribution on fractures in ordovician limestone karst region in Xinwen coalfield was acquired. According to water abundance in different unit karst, water inrush risk regions was pointed, which was conducive to control the water inrush disaster in coal mining.

Key words: water inrush through fault, fault impact factor, water inrush risk area, water inrush characteristics, fault fractal dimension characteristics

CLC Number: 

  • TD745
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