Abstract
Coal mine rescue capsules, whose structural strength defines miners' safety directly, are becoming important equipments for miners' underground escaping. In order to improve the rescue capsule's strength, in this study the finite element model was established in ABAQUS environment, and the influence on rescue capsule made by the pressure of gas explosion was obtained by using explicit integration method. The maximum stress of rescue capsule appears at the corner where it has stress singularity and the central part of the stiffeners where the stress reached the yield strength. But the overall stress is within the allowable range.
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