Volume 24, Issue 1 (7-2005)                   JCME 2005, 24(1): 177-196 | Back to browse issues page

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S. Roushanbin, M.R. Maheri and A Rangbaran. Effects of Support Conditions on Dynamic Behaviour and Seismic Response of Ghadir Bridge. JCME. 2005; 24 (1) :177-196
URL: http://jcme.iut.ac.ir/article-1-339-en.html

Abstract:   (1430 Views)
There are a number of parameters influencing the dynamic and seismic response of bridges. Of these, two important parameters warranting special notice include: the properties of the neoperenes in the state of connection between girders and columns and the shear stiffness of underlying soil in the level of bridge substructure’s connectivity to the ground. In this paper, the effects of these two parameters on the dynamic and seismic response of Ghadir Bridge in Isfahan are investigated. The main conclusions drawn from these investigations include: the sensitivity of the bridge’s lateral modes of vibration to the horizontal shear stiffness of the neoperenes and the substantial effects of the soil’s shear rigidity on the longitudinal modes. Based on the findings, it is recommended tha a thorough geotechnical site investigation of the soil be conducted and the properties of the underlying soil be accurately established in order to correctly identify the dynamic behaviour of a bridge.
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Type of Study: Research | Subject: General
Received: 2014/10/25

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