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Simulation of Reinforced Concrete Blast Wall Subjected to Air Blast Loading

Author

Listed:
  • Mohammed Alias Yusof
  • Rafika Norhidayu Rosdi
  • Norazman Mohamad Nor
  • Ariffin Ismail
  • Muhammad Azani Yahya
  • Ng Choy Peng

Abstract

This research investigates the behavior of reinforced concrete blast wall subjected to air blast loading. In this study a reinforced concrete blast wall was designed to resist a blast load for the capacity of 5 kg of TNT at a distance of 2 meter. The thickness of the blast wall is 250mm and the height is 4500 mm. AUTODYN 3D hydrocode software was used to simulate the behavior of the reinforced concrete blast wall under air blast loading. A total of four different charge weight of TNT, which represents a minimum loading capacity of person or vehicle to carry an explosive was simulated at a stand-off distance of 2 meter from the blast wall. This explosive capacity representative bombs are hand carried bomb by personnel with a loading capacity of 5 kg, Motorcycle 50 kg, car 400kg and also van with the capacity of 1500 kg of TNT explosive. The simulation results show that the blast wall sustained the blast load up to 5kg and had minor damage on the wall when subjected to 50 kg of TNT charge weight, However, the blast wall failed when subjected to 400 kg and 1500kg of TNT charge weight at a stand-off distance of 2 meter. The results show that the simulation results using AUTODYN 3D simulation software is comparable with the design data.

Suggested Citation

  • Mohammed Alias Yusof & Rafika Norhidayu Rosdi & Norazman Mohamad Nor & Ariffin Ismail & Muhammad Azani Yahya & Ng Choy Peng, 2014. "Simulation of Reinforced Concrete Blast Wall Subjected to Air Blast Loading," Journal of Asian Scientific Research, Asian Economic and Social Society, vol. 4(9), pages 522-533.
    • Handle: RePEc:asi:joasrj:v:4:y:2014:i:9:p:522-533:id:3674
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