COI code: ICSAU02_0281
Paper Language: English
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Authors Seismic effect of tunnel in the saturated ambience on surface structures subjected to far field earthquakeAmir. Rabie far - M.SC. of geotechnical engineering, University of Islamic azad, Science and research hamedan branch
Hamidreza. Vosoughifar - Assistant professor, Department of civil engineering, University of Islamic azad, South tehran branch
Abstract:The experiences of the past earthquakes have been indicated that the surface structures were influenced by seismic waves according to the distance from fault focus after tunnel excavation. So the effects of near and far field earthquakes on the surface structures should be noted while underground tunnels are excavated. In this attempt, saturated conditions are considered surrounding the excavated tunnel and the finite element modeling were performed using Coulomb's failure equation. The nonlinear time-history analysis was undertaken via near and far field earthquakes and Rayleigh damping coefficients . The obtained results demonstrate the structures in vicinity of tunnels were markedly damaged due to near field earthquakes in the saturated conditions and resonance phenomenon also was appeared.Furthermore statistical results show that surface structures in the saturated conditions have effected near field earthquakes in comparison with far field earthquakes which there is a significant difference between the obtained numerical results (p-value < 0.05).
Keywords:Earthquake, Tunnel, Saturated ambience
COI code: ICSAU02_0281
how to cite to this paper:If you want to refer to this article in your research, you can easily use the following in the resources and references section:
Rabie far, Amir. & Hamidreza. Vosoughifar, 2014, Seismic effect of tunnel in the saturated ambience on surface structures subjected to far field earthquake, 2nd international congress of structure, architecture and urban development, تبريز, دبيرخانه دائمي كنگره بين المللي سازه ، معماري و توسعه شهري, https://www.civilica.com/Paper-ICSAU02-ICSAU02_0281.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Rabie far, Amir. & Hamidreza. Vosoughifar, 2014)
Second and more: (Rabie far & Vosoughifar, 2014)
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