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Advances in Concrete Construction
  Volume 10, Number 6, December 2020 , pages 509-514
DOI: https://doi.org/10.12989/acc.2020.10.6.509
 


Simple P-I diagram for structural components based on support rotation angle criteria
Jung Hun Kee and Jong Yil Park

 
Abstract
    In the preliminary design phase of explosion-proof structures, the use of P-I diagram is useful. Based on the fact that the deformation criteria at failure or heavy damage is significantly larger than the yield deformation, a closed form solution of normalized P-I diagram is proposed using the complete plastic resistance curve. When actual sizes and material properties of RC structural component are considered, the complete plasticity assumption shows only a maximum error of 6% in terms of strain energy, and a maximum difference of 9% of the amount of explosives in CWSD. Thru comparison with four field test results, the same damage pattern was predicted in all four specimens.
 
Key Words
    explosion; P-I diagram; closed form solution; support rotation angle
 
Address
Jung Hun Kee and Jong Yil Park: Department of Safety Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
 
References
    -acc1006005-
 

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