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نویسندگان مقالات پربازدید :
نهمین کنگره ملی مهندسی عمران
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
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  • numerical investigation of the effects of the vertical component of ground motion on seismic behaviour of soil slopes

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    • تاریخ ارائه: 1395/01/01
    • تاریخ انتشار در تی پی بین: 1395/01/01
    • تعداد بازدید: 472
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     this paper investigates the effect of vertical component of earthquakes on stability of slopes using fe analysis. the analyses are conducted with the imperial college finite element program (icfep), using the mohr-coulomb failure criterion, and the generalized-decay hyperbolic model accounting for elastic nonlinearity in small strain range. the models consist of slopes of different geometry constructed on deep saturated cohesive granular bedrock. these slopes are subjected to monotonic, harmonic, and seismic excitations. the response of models to these excitations is presented in terms of accumulated deformations, and plastic strains. these results indicate that the inclusion of vertical component leads to an increase in plastic deformation. this is in particular marked for steep models where a complete slope failure develops as opposed to the comparatively gentle slopes with localized plastic zones. the analyses suggest that ignoring the vertical component of earthquakes in seismic stability analysis can result in underestimation of the induced deformations, and can lead to an unsafe design. this can be more significant in the case of steep slopes.

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