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اولین کنفرانس ملی مکانیک خاک و مهندسی پی
جزئیات رویداد
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  • the effect of structural skirts on bearing capacity of shallow circular foundations

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    • تاریخ ارائه: 1393/01/01
    • تاریخ انتشار در تی پی بین: 1393/01/01
    • تعداد بازدید: 683
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    • شماره تماس دبیرخانه رویداد: -
     skirts are used to improve the bearing capacity of shallow footings on sandy soil by constraining the soil beneath and containing the plastic flow of soil. they are used as an alternative to deep foundations in soils with low strength at the surface. as there has been available little work studying the performance of skirted foundation, we are performing a series of numerical analysis using plaxis 2d software on circular footings of different skirt lengths. the aim of this article is to shed some lights on the effects of skirts on the bearing capacity of shallow footings. the effects of skirt length and the relative density of sand on the ultimate load attained were investigated. from the numerical analysis, it was found that skirts improve appreciably the sustainability of shallow footings to applied load as they increase the ultimate load of shallow footings by some up to2.5  times for the current study conditions and variables. the performance of skirted footing depends upon the relative density of sand and on the skirt length to footing diameter ratio. skirts are more beneficial in case of footings on loose sand than in case of medium and dense sand.

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