Investigation the effects of reinforcement bars in Blast resistance behavior of a R.C wall
Publish place: 6th National Congress on Civil Engineering
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
NCCE06_0613
تاریخ نمایه سازی: 28 مرداد 1390
Abstract:
Concrete is widely used in design of protective structures due to its good energy absorbing characteristics under high pressures and, when properly reinforced, ductile behavior. Nevertheless, the response of concrete structures subjected to severe dynamic loading differs from their static behavior, on a structural level but also on a material level. In this paper the overview of the blast phenomenon and the effects of explosion on structures would be presented and then the AUTODYN software with Lagrangian solver coupled with Eulerian solver were used in the numerical simulations for evaluating the response of a concrete wall structure under blast loadings. Analyzing this structure with different reinforcement patterns was done to investigate the effects of ductile detailing on blast resistant behavior of the reinforced concrete wall. Numerical simulations shows that, models with higher percentage of reinforcement and ductile detailing have a better energy absorption capacity under blast loading and therefore have higher blast resistance capacity compare to other structure
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Authors
M. Gerami
Assistant professor, Dept. of Civil Eng, University of Semnan
R. Zahiri-Hashemi
Ph.D. Candidate, Dept. of Civil Eng, University of Semnan
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