• probabilistic evaluation of initiation time in rc bridge beams with load-induced cracks exposed to de-icing salts

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 843
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     in this study, a reliability-based method for predicting the initiation time of reinforced concrete bridge beams with load-induced cracks exposed to de-icing salts is presented. a practical model for predicting the diffusion coefficient of chloride ingress into load-induced cracked concrete is proposed. probabilistic information about uncertainties related to the surface chloride content and the threshold chloride concentration has been estimated from a wide review of previous experimental or statistical studies. probabilistic analysis to estimate the time to corrosion initiation with/without considering the effect of the load-induced cracks on the chloride ingress into concrete has been carried out. results of the analysis demonstrate the importance of considering the effect of the load-induced cracks for correct prediction of corrosion initiation in rc bridge beams exposed to chlorides.

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