An Experimental Study of Insufficient Free Board Effect on Fixed-Roof Cylindrical Tank Seismic Loads

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Moosapoor Mojtaba; Yousefi Mohammad Mehdi; GOUDARZI MOHAMMAD ALI

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Journal Paper

Paper Information

Journal: Journal of Seismology and Earthquake Engineering Year:2019 | Volume:21 | Issue:3 Page(s): 13-30

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Title

An Experimental Study of Insufficient Free Board Effect on Fixed-Roof Cylindrical Tank Seismic Loads

Author(s)

Moosapoor Mojtaba | Yousefi Mohammad Mehdi | GOUDARZI MOHAMMAD ALI | Issue Writer Certificate

Keywords

Liquid Tanks

Strengthening

Seismic Behavior

Numerical Methods

Abstract

Cylindrical tanks are fundamental structures used for the storage of liquids. Sloshing caused by earthquakes in tanks without enough freeboard leads to a liquid impact on the roof of tanks. This study aims to explore the base shear variation due to insufficient freeboard using experimental and Numerical Methods. The experimental tests are performed using a cylindrical liquid tank excited by various harmonic loads. The impact of some parameters such as the water height to tank radius ratio and freeboard on base shear force are investigated by conducting 90 tests. Impulsive and convective masses for simplified mass-spring are modified in numerical models so that experimental and numerical base shear results are consistent. Finally, a simple analytical solution to estimate the reduction of convective mass due to insufficient freeboard is suggested and validated using experimental results.

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APA: Copy

Moosapoor, Mojtaba, Yousefi, Mohammad Mehdi, & GOUDARZI, MOHAMMAD ALI. (2019). An Experimental Study of Insufficient Free Board Effect on Fixed-Roof Cylindrical Tank Seismic Loads. JOURNAL OF SEISMOLOGY AND EARTHQUAKE ENGINEERING, 21(3), 13-30. SID. https://sid.ir/paper/969783/en

Vancouver: Copy

Moosapoor Mojtaba, Yousefi Mohammad Mehdi, GOUDARZI MOHAMMAD ALI. An Experimental Study of Insufficient Free Board Effect on Fixed-Roof Cylindrical Tank Seismic Loads. JOURNAL OF SEISMOLOGY AND EARTHQUAKE ENGINEERING[Internet]. 2019;21(3):13-30. Available from: https://sid.ir/paper/969783/en

IEEE: Copy

Mojtaba Moosapoor, Mohammad Mehdi Yousefi, and MOHAMMAD ALI GOUDARZI, “An Experimental Study of Insufficient Free Board Effect on Fixed-Roof Cylindrical Tank Seismic Loads,” JOURNAL OF SEISMOLOGY AND EARTHQUAKE ENGINEERING, vol. 21, no. 3, pp. 13–30, 2019, [Online]. Available: https://sid.ir/paper/969783/en

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