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سازه های مهندسی
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • parametric and pushover analyses on integral abutment bridge

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 826
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     integral abutment bridges (iabs) are jointless bridges where the girder or the deck is continuous and monolithically connected to the abutments. a usual and important problem in the design of iabs is how to deal with the soil–structure interaction behind the abutments and next to the foundation piles: this can be considered as a fundamental aspect to reach a thorough understanding of this type of structure, which requires iterative and nonlinear analysis. in this paper, a 2d simplified finite-element model of a real 400-metre-long iab, built in the province of verona-italy, is implemented and used to perform non-linear analyses on the bridge, the structural response of which is then examined in detail. a parametric study based on the variation of the soil properties behind the back-walls and around the piles is then performed. furthermore, a temperature pushover analysis (non linear static analysis for positive and negative temperature variations) is carried out to assess the failure pattern of the bridge caused by a temperature change, considered as one of the key parameters in iab design. lastly, the effect of abutment stiffness is also discussed.

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