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Journal of Applied Sciences
  Year: 2013 | Volume: 13 | Issue: 24 | Page No.: 5739-5743
DOI: 10.3923/jas.2013.5739.5743
 
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Study on the Law of Fault Open Affected by Water Pressure
Huang Cun-Han and Feng Tao

Abstract:
Fault water inrush is a geological disaster occurring in underground coal mines, which can bring serious threat to mining produce. High water pressure in aquifers is an important factor causing fault water inrush. According to the clamped beam theory of material mechanics, the open displacement formula of fault is deduced to study the fault opening law under water pressure and its criterion is proposed. Based on the deduced formula, the effect laws caused by the aquifer water pressure and the rock’s modulus are analyzed. The main results are as follows, the larger the water pressure is, the bigger the fault’s open displacement will be and the greater the probability of water inrush will also be. It is negative correlation between the fault’s open displacement and the rock’s elastic modulus, where the weaker the stiffness of the rock is, the fault will open easier. The example’s calculation shows that the faults will all open and it has been proven with the engineering practice.
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How to cite this article:

Huang Cun-Han and Feng Tao , 2013. Study on the Law of Fault Open Affected by Water Pressure. Journal of Applied Sciences, 13: 5739-5743.

DOI: 10.3923/jas.2013.5739.5743

URL: https://scialert.net/abstract/?doi=jas.2013.5739.5743

 
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