Volume 5, Issue 4 (6-2021)                   NMCE 2021, 5(4): 13-21 | Back to browse issues page

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Sobhkhiz R, Mardookhpour A. Numerical simulation of the effect of uplift on seismic behavior of uncontrolled surface steel tanks with Abaqus software. NMCE 2021; 5 (4) :13-21
URL: http://nmce.kntu.ac.ir/article-1-338-en.html
1- PhD Student of Civil Engineering Department, University of Qom, Qom, Iran. , Sobhkhizarman@yahoo.co.uk
2- Assistance Professor of Civil Engineering Department, Lahijan Branch, Islamic Azad University, Lahijan, Iran.
Abstract:   (755 Views)
Ground cylindrical steel fluid storage tanks are widely used in different industries. Regarding the significance of these structures, it is important to establish their proper performance in earthquakes by evaluating their seismic performance. The present study examines the seismic behavior of an unanchored fluid storage system via ABAQUS after validation using an experimental model. Next, the uplift of the bottom sheet is studied using the accelerogram records of the 1940 El Centro and 1994 Northridge earthquakes. The overturning moment time history of the fluid storage system and the maximum overturning moments were obtained to identify their behavior. The results indicated that not bracing storage tanks leads to the uplift phenomenon. Finally, the maximum axial stress of the storage tank shell was compared with the values recommended in the construction codes to control the buckling.
Full-Text [PDF 688 kb]   (450 Downloads)    
Type of Study: Research | Subject: General
Received: 2021/01/16 | Revised: 2021/04/2 | Accepted: 2021/05/7 | ePublished ahead of print: 2021/05/19

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