Vulnerability Assessment of Aircraft Hangar Against Blast Loading and Its Retrofitting Using FRP Strips and Auxiliary Frames

Given the Increasing Threats Posed by Human-made Hazards, Adhering to Passive Defense Requirements in Infrastructure is Inevitable. Aircraft Hangars, due to the Significant Investments they House, can be Targeted as Strategic Objectives in Military and Terrorist Operations. To Model the Response of an Aircraft Hangar to Explosive Loads, the ABAQUS Software was Used, and the Responses of Structural and Non-Structural Components were Examined in both Unreinforced and FRP-Reinforced Conditions. As Expected, the Non-Structural Components of the Aircraft Hangar Performed Poorly against Explosions Compared to the Structural Components. To Reinforce them, FRP Sheets were Adhered to the Walls to Evaluate their Impact on Reducing Damage to Masonry Walls and the Effect of Various Parameters such as Fiber Type, Coverage Percentage, Reinforced Side of the Wall, Width, Thickness, and Strip Angle. The Results Showed that FRP Sheets are Capable of Increasing the Energy Dissipation of the Blast Wave and Reducing the Deflection of the Wall.

کلیدواژه ها:

Aircraft Hanger ، Blast ، FRP Composite ، Parametric Study