Dynamic Analysis of RC Water Tanks under Explosion with the Consideration of Water-Structure Interaction

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MOGHADAM M.; Razavi Tosee S.V.; Shahrbanouzadeh M.

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Journal Paper

Paper Information

Journal: Scientific Journal of Passive Defense Year:2021 | Volume:12 | Issue:2 (46) Page(s): 53-64

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Information Journal Paper

Title

Dynamic Analysis of RC Water Tanks under Explosion with the Consideration of Water-Structure Interaction

Author(s)

MOGHADAM M. | Razavi Tosee S.V. | Shahrbanouzadeh M. | Issue Writer Certificate

Keywords

Dynamic Response

Water Tanks

Explosion Loading

Hydrodynamic Force

Water-Structure

Abstract

The issue of passive defense has become very important due to the increasing number of terrorist attacks around the world and the possibility of targeting various structures. Water storage tanks are such targeted structures which are very vulnerable to explosions and the destruction of this type of structure may cause unrecoverable losses in terms of humanistic, economical, and environmental parameters. The purpose of this study is to investigate the effect of explosions on cyclic stresses and the displacement created on the body of a cylindrical reinforced concrete tank with water content due to Hydrodynamic Forces by considering the amount of water filling and the dimensions of the tanks. Also, according to the distances of 5 and 10 meters from the center of the explosion, the cyclic stresses created in the body of the tanks are investigated. For this purpose, Abacus commercial software has been used to numerically simulate three tanks with the heights of 4, 6, and 8 meters and a fixed radius of 3 meters with a filling percentage of 0, 25, 50, 75, and 100 percent of water. The results show that with increasing the percentage of water filling, the hardness of the tank has increased and has caused the displacement of the body to have a decrease of 31. 25% for a fully filled tank compared to an empty tank. Water filling also reduces the sensitivity of tanks to instability. The results show that the cyclic stresses of the tank body are affected by blast waves from the outside and water pressure from the inside so that the presence of water in the tank has caused the cyclic stresses in the body to increase by about 20 MPa.

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APA: Copy

MOGHADAM, M., Razavi Tosee, S.V., & Shahrbanouzadeh, M.. (2021). Dynamic Analysis of RC Water Tanks under Explosion with the Consideration of Water-Structure Interaction. JOURNAL OF PASSIVE DEFENSE, 12(2 (46) ), 53-64. SID. https://sid.ir/paper/986081/en

Vancouver: Copy

MOGHADAM M., Razavi Tosee S.V., Shahrbanouzadeh M.. Dynamic Analysis of RC Water Tanks under Explosion with the Consideration of Water-Structure Interaction. JOURNAL OF PASSIVE DEFENSE[Internet]. 2021;12(2 (46) ):53-64. Available from: https://sid.ir/paper/986081/en

IEEE: Copy

M. MOGHADAM, S.V. Razavi Tosee, and M. Shahrbanouzadeh, “Dynamic Analysis of RC Water Tanks under Explosion with the Consideration of Water-Structure Interaction,” JOURNAL OF PASSIVE DEFENSE, vol. 12, no. 2 (46) , pp. 53–64, 2021, [Online]. Available: https://sid.ir/paper/986081/en

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