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Volume 11 - Winter and Spring 2019                   ijmt 2019, 11 - Winter and Spring 2019: 33-40 | Back to browse issues page

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Soltani M, Amirabadi R. Sensitivity Analysis of Pile Supported Wharves against Directional Uncertainty of Earthquakes Using Fragility Curves. ijmt 2019; 11 :33-40
URL: http://ijmt.ir/article-1-661-en.html
Sensitivity Analysis of Pile Supported Wharves against Directional Uncertainty of Earthquakes Using Fragility Curves
Mohsen Soltani1 , Rouhollah Amirabadi * 1
1- University of Qom
Abstract:   (4294 Views)
This paper aims to tackle an important uncertainty which extremely affects seismic performance of wharf structures in earthquake events. According to previous studies performed for structures on land, it is shown that structures on land are highly susceptible to unknown orientation of earthquakes called as the directional uncertainty. However, for marine structures, especially pile supported wharves, research efforts are rare to assess the effect of directional uncertainty of earthquakes. Therefore, to show this effect on pile supported wharves, fragility analysis is performed based on methodology suggested by Pacific Earthquake Engineering Research Center (PEER) for the modeled pile supported wharf located in Maah-shahr port as a case study. As the first phase of this methodology, nonlinear static pushover analyses are performed for randomly chosen incident angles in order to quantitatively measure damage states suggested by marine design code. After damage states are obtained, IDA analysis are conducted in the selected incident angles to obtain nonlinear structural responses which are supposed to be used for fragility analysis as inputs. Finally, once fragility curves have been developed according to the last phase of PEER methodology, the more vulnerable directions of wharf are represented.
Keywords: IDA, Fragility analysis, Pile-supported wharf, Directional uncertainty
Full-Text [PDF 1039 kb]   (2000 Downloads)    
Type of Study: Research Paper |
Received: 2019/02/18 | Accepted: 2019/03/13
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International Journal of Maritime Technology is licensed under a

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