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Volume 27 Issue 5
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Chinese Journal of High Pressure Physics  > 2013  >  27(5): 704-710.
JI Chong, ZHANG Chuan, LONG Yuan, XIE Xing-Bo, LIU Qiang. Dynamic Buckling of Underground Flat-Closure Cylindrical Shells under Explosion Loads[J]. Chinese Journal of High Pressure Physics, 2013, 27(5): 704-710. doi: 10.11858/gywlxb.2013.05.008
Citation: JI Chong, ZHANG Chuan, LONG Yuan, XIE Xing-Bo, LIU Qiang. Dynamic Buckling of Underground Flat-Closure Cylindrical Shells under Explosion Loads[J]. Chinese Journal of High Pressure Physics, 2013, 27(5): 704-710. doi: 10.11858/gywlxb.2013.05.008
shu

Dynamic Buckling of Underground Flat-Closure Cylindrical Shells under Explosion Loads

doi: 10.11858/gywlxb.2013.05.008
  • 1.

    PLA University of Science and Technology, Nanjing 210007, China;

  • 2.

    North-sea Engineering Design Institute of Navy, Qingdao 266012, China

  • Received Date: 04 Sep 2012
  • Rev Recd Date: 11 Jan 2013
  • Publish Date: 15 Oct 2013
    Abstract
  • Investigation of dynamic response of the underground oil storage facility subjected to explosion loads is an important problem. The oil tank can be predigested as a flat-closure cylindrical shell structure. Considering the stress characters of underground cylindrical shells, the amendatory Winkler model was used to simulate the interaction between cylindrical shell and soil, and a method to determine the related parameters was presented. With the explosion simulation device, a model experiment of underground steel cylindrical shell under explosion loads was completed. An appropriately simplified model of the peripheral explosion loads distribution of the cylindrical shell was assigned according to experimental results. Finite element analysis for the dynamic buckling of flat-closure cylindrical shell was carried out and the critical buckling loads were determined by Budiansky-Roth criterion. Relationship between critical buckling loads and soil elastic constant K was determined according to the multi-state computation results.

     

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