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A Modified Equation of Parameter of Free-air Blast Load

자유 공중 폭발하중 파라메타의 수정 산정식

  • Received : 2016.11.14
  • Accepted : 2016.12.12
  • Published : 2016.12.15

Abstract

The blast load is classified into free-air blast and surface blast following the location of explosion and surface. In this paper, several equations for blast load calculation are explained briefly and a modified equation for free-air blast load is suggested. The modified equation is based on Kingery-Bulmash equation which is used in UFC 3-340-02 and Conwep model. In this modified equation, the process of calculation is simplified against the original equation, and the number of coefficients is reduced under 5. As a result, each parameter of estimated data by modified equation has less than 1% of error range comparing with Kingery-Bulmash equation.

Keywords

References

  1. H. Kim, H. Ahn, J. Ahn, "Erosion Criteria for the Blast Analysis of Reinforcement Concrete Members", Journal of the Architectural Institute of Korea, Structure and Construction Section, 30(3), pp21-28, 2014
  2. K. Lee, Z. Huque, D. Jeon, S. Han, "The Development of Impact Force Model of Large Commercial Aircraft Considering the Fuel Mass Effect", Journal of the Architectural Institute of Korea, Structure and Construction Section, 30(8), pp19-28, 2014
  3. M. Carriere, P.J. Hefferman, R.C. Wight, A. Braimah, "Behaviour of Steel Reinforced Polymer (SRP) Strengthened RC Members under Blast Load", Canadian Journal of Civil Engineering, 36, pp.1356-1365., 2009 https://doi.org/10.1139/L09-053
  4. U. Nystrom, K. Gylltoft, "Numerical Studies of the Combined Effects of Blast and Fragment Loading", International Journal of Impact Engineering, 36, pp.995-1005, 2009 https://doi.org/10.1016/j.ijimpeng.2009.02.008
  5. Unified Facilities Criteria, "Structures to Resist the Effects of Accidental Explosions", UFC 3-340-02, U.S. Department of Defense, Washington D.C., 2014
  6. H.L. Brode, "Numericla Solution of Spherical Blast Waves", Journal of Applied Physics, American Institute of Physics, New York, 1955
  7. G.F. Kinney, K.J. Graham, "Explosive Shocks in Air", Springer, Berlin, 1985
  8. C.A. Mills, "The Design of Concrete Structures to Resist Explosions and Weapon Effects", Proceedings of the 1st Int. Conference on Concrete for Hazard Protections, Edinburgh, UK, 1987
  9. C.N. Kingery, G. Bulmash, "Technical Report ARBRL-TR-02555: Air Blast Parameters from TNT Spherical Air Burst and Hemispherical Burst", AD-B082 713, U.S. Army Ballistic Research Laboratory, Aberdeen Proving Ground, MD, 1984
  10. United Nations Office of Disarmament Affairs (UNODA), "International Ammunition Technical Guideline: Formulae for Ammunition management", UN IATG 01.80:2015 [E], UN Safer Guard, 2015
  11. V. Karlos, G. Solomos, "Calculation of Blast Loads for Application to Structural Components", EUR 26456 EN, European Commision, Italy, 2013