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《Mining & Processing Equipment》 2013-11
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Explosion impact analysis on shell of mine refuge chamber based on LS-DYNA

CHANG Degong;WANG Jili;LI Guoxing;College of Electromechanic Engineering,Qingdao University of Science & Technology;  
The mine refuge chamber is the key underground life-saving equipment. In order to enhance its anti-impact performance, the shell was usually designed as square or arch shape. In the paper, static analysis on the arch shell was conducted, and then LS-DYNA was applied to conduct explicit dynamic analysis on two kinds of shells. In view of influence of gravity, the stress and overall deformation response of the shell by the action of triangle wave whose loading peak was 0.6 MPa were obtained. The analysis results showed that at the same shell thickness and the same stiffener, the arch shell possessed the better anti-impact performance, and LS-DYNA explicit dynamic analysis method was more accurate.
【CateGory Index】: TD792
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