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          CN 51-1183/TE

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Research on Dynamic Response of Buried Tube Subjected to Ground Explosion
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Key Words:Ground Explosion, Impact Loads, Buried Pipeline; Numerical Simulation; Dynamic Response
Abstract:By means of an explicit nonlinear dynamic finite element computer code LS-DYNA,regarding 75g column and 200g bulk TNT as explosion resource respectively,the nonlinear dynamic response process of the tube subjected to explosion laterally were numerically simulated with Euler-Lagrange coupling method,the dynamic responses of different wall thickness and buried depth were described. The experimental and computational results are compared. The results provide important reference for the blast-resistant properties analysis and safety assessment of oil-gas pipes safety.
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