Abstract
Research on failure law of target oil storage tank subjected to the coupling impact of multiple blast waves is one of the theoretical bases for domino effect accident prevention and control of chemical industrial parks. Taking the coupling impact of two-source blast waves as an example, the propagation law of blast waves in air and the distribution law of peak overpressure on the surface of tank wall are analyzed, and the dynamic response laws of displacement, stress, strain and energy for a 5000 m3 atmospheric steel arch-roof oil tank are studied by using ANSYS/LS-DYNA. The results are compared with those subjected to single blast wave and show that the maximum overpressure peak value is formed near the ground in 0° direction on the surface of tank wall, which is 79.6% larger than that subjected to single blast wave. The peak values of displacement, stress and strain for the tank wall subjected to the coupling impact of two-source blast waves are 114.9%, 39.6%, 134.9% larger than those subjected to single blast wave, respectively. The failure mode of arch-roof tank subjected to two-source blast waves is to form multiple concave plastic deformation zones on the explosion face, which extend to the surrounding area and produce plastic hinge lines and form irreversible residual deformation and cracking finally. The analysis results can provide reference for explosion-resistant design of tank structure and reasonable layout of tank area scene.
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07 February 2020
In the original version of the article, some of the entries in Table��12 were misaligned. Following is the corrected table:
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Acknowledgments
This research is supported by the National Natural Science Foundation of China (Number: 21878102, 21576102), the Guangdong Basic and Applied Basic Research Foundation (2019A1515011157), China Scholarship Council (201906155051), and the Fundamental Research Funds for the Central Universities (2019MS066).
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The original version of this article was revised: In the original version of the article some of the entries in Table 12 were misaligned.
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Chen, G., Wang, F., Zhou, C. et al. Dynamic Response Analysis of Large Arch-Roof Oil Tank Subjected to the Coupling Impact of Two-Source Blast Waves Based on Finite Element Method. J Fail. Anal. and Preven. 20, 333–347 (2020). https://doi.org/10.1007/s11668-020-00833-w
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DOI: https://doi.org/10.1007/s11668-020-00833-w