• effect of base-rock characteristics on non-linear seismic respons of concrete gravity dams including dam-foundation interaction

    نویسندگان :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/11/15
    • تاریخ انتشار در تی پی بین: 1390/11/15
    • تعداد بازدید: 589
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     dam interaction with foundation is important subject in analys of concrete gravity dams , so always needed to new methods for improved and examined accuracy than last methods and caused to more recognition of behavior of dams for analysing and designing . the influence of base-rock characteristics on non-linear seismic response to different earthquake input mechanims including dam-foundation interaction is investigated by using the lagrangian approach in this paper. the elasto-plastic behavior of the dam concrete is idealized. dam and foundation rock are modeled by using 8-noded isoparametric quadrilateral solid finite-elements. in this paper ,two different earthquake input mechanisms are used to consider the effect of base-rock characteristics in the analyses: the standard rigid-base input and the massless-foundation input models . a concrete gravity dam with results of recorded from earthquake is chosen for testing numerical model. the results obtained from non-linear analyses are campared with the results of linear analyses.

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