Study on failure of horizontal storage tank impacted by flood from different angles

doi:10.16265/j.cnki.issn1003-3033.2017.12.006

Abstract

Abstract: For the sake of preventing horizontal storage tank failure accidents resulting from flood impact in chemical industry parks, theoretical derivation and empirical analysis were carried out to discuss failure of horizontal storage tank impacted by flood from different angles. Firstly, horizontal storage tank failure analysis was accomplished considering flood impacting on the tank with a certain degree, then vulnerability coefficient and attenuation coefficient were defined. Finally, effects of different parameters including tank type, tank level influencing on horizontal storage tank failure under different flood impact angle were analyzed. The results show impact attenuation coefficient increases at first and then decreases when the impact angle θ varies from 0 to π, also, rises to the maximum when θ is π2, that the larger the tank is, the greater the force on the bolts will be, thus the tank will be more likely to fail, and that the higher the storage level is, the smaller the force on the bolts will be, and the safer the tank will be.

Key words: flood, impact angle, horizontal cylindrical vessel, vulnerability coefficient , attenuation coefficient

CLC Number:

X937

CHEN Wenying, DU Yanyang, MA Jun, WEI Lijun. Study on failure of horizontal storage tank impacted by flood from different angles[J]. China Safety Science Journal, 2017, 27(12): 32-36.

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