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Blast Response Simulation of the Alfred Murrah Building Reinforced by Use of HPFRCC
International Journal of Concrete Structures and Materials ( IF 3.4 ) Pub Date : 2021-02-02 , DOI: 10.1186/s40069-020-00442-9
Jae-Wook Jung , Jung-Wuk Hong

Structural behavior against the blast load is evaluated for a structure reinforced by high-performance fiber-reinforced cementitious composites (HPFRCC). The Alfred P. Murrah Federal Building, which experienced a terrorist attack in 1995 is taken into consideration for the blast analysis using the finite element method. The continuous surface cap model (CSCM) is used to simulate the behavior of normal concrete and HPFRCC. By reinforcing normal concrete with HPFRCC, damage, and deformation of the structure are significantly reduced. This study presents an efficient reinforcement method by performing an explosion simulation on the structure using HPFRCC and evaluating the behavior according to various reinforcement methods. Specific reinforcements according to the types of members are required to enhance the efficiency of reinforcement. With the optimized reinforcement using high-performance fiber-reinforced cementitious composites (HPFRCC), the resistance to blast load is significantly improved.



中文翻译:

使用HPFRCC加固的Alfred Murrah建筑物的爆炸响应模拟

对于由高性能纤维增强水泥复合材料(HPFRCC)增强的结构,评估了其抗爆炸载荷的结构性能。使用有限元方法进行爆炸分析时,考虑了1995年遭受恐怖袭击的Alfred P. Murrah联邦大楼。连续表面盖模型(CSCM)用于模拟普通混凝土和HPFRCC的行为。通过用HPFRCC加固普通混凝土,可以大大减少结构的损坏和变形。通过使用HPFRCC对结构进行爆炸模拟并根据各种加固方法评估其性能,本研究提出了一种有效的加固方法。需要根据构件类型进行特定的增强,以增强增强效率。

更新日期:2021-02-02
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