Earthquake effect analysis on high urban structures with emphasis on dynamic analysis

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Pourian davood

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Journal: URBAN MANAGEMENT Year:2018 | Volume:17 | Issue:52 Page(s): 173-188

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Title

Earthquake effect analysis on high urban structures with emphasis on dynamic analysis

Author(s)

Pourian davood | Issue Writer Certificate

Keywords

urban earthquakeQ1

planar shell structureQ1

nonlinear dynamic analysisQ1

time historyQ1

seismic recordQ1

Abstract

Due to increasing the population and the necessity of developing urban areas, how to deal with natural disasters is one of the major concerns of urban communities. Urban growth is continually changing from living conditions on Earth. the damage and damage caused by the earthquake in cities in many cases showed that a high percentage of injuries were directly or indirectly related to the undesirable condition of planning and detection and reduction of urban risks. Indeed, it can be said that major causes of damage and damage due to earthquake safety should also be sought in the lack of principles, programs and city planning projects. The main purpose of this study is nonlinear dynamic evaluation of the behavior of the concrete shell under the influence of distance and near fault. for this purpose, three models are designed with thickness of 5, 7. 5 and 10 cm in order to evaluate the effect of the thickness, arrangement and type of reinforcing bars as well as seismic intervals. In order to evaluate their efficiency in each stage after the nonlinear dynamic analysis, the explicit form on the models is determined using abacus software. the introduced concrete materials have plastic properties as well as the type of crack propagation in concrete, and it is applied to the structural problem of implicit dynamic analysis, where the stiffness of the shell structure changes with deformations. the results of this study indicate that changing the location of the shell structures with low thickness in the region is more than that of the near-field earthquake and the shell structures will not experience significant spatial changes when they encounter the near nature of shock loads, but in the case of continuous rotation and escalation phenomena in the building materials, it will result in changes in the final location and failure of these structures.

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APA: Copy

Pourian, davood. (2018). Earthquake effect analysis on high urban structures with emphasis on dynamic analysis. URBAN MANAGEMENT, 17(52 ), 173-188. SID. https://sid.ir/paper/92325/en

Vancouver: Copy

Pourian davood. Earthquake effect analysis on high urban structures with emphasis on dynamic analysis. URBAN MANAGEMENT[Internet]. 2018;17(52 ):173-188. Available from: https://sid.ir/paper/92325/en

IEEE: Copy

davood Pourian, “Earthquake effect analysis on high urban structures with emphasis on dynamic analysis,” URBAN MANAGEMENT, vol. 17, no. 52 , pp. 173–188, 2018, [Online]. Available: https://sid.ir/paper/92325/en

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