Effect of Soil Shear Strength Parameters Anisotropy on the Bearing Capacity of Surface Footings
- سال انتشار: 1394
- محل انتشار: دهمین کنگره بین المللی مهندسی عمران
- کد COI اختصاصی: ICCE10_0230
- زبان مقاله: انگلیسی
- تعداد مشاهده: 1022
نویسندگان
faculty member faculty of eng university of guilan and school of eng shiraz university iran
assistant professor in geotechnical engineering university of guilan iran
m.sc student in geotechnical engineering university of guilan iran
چکیده
Most soils are anisotropic by nature owing to the sedimentation and deposition process or the particles orientation in a uniform siol layer admitting this natural property as an inherent property natural siols can no longer be assumed to be isotropic as such an assumption maybe a fallacy which may cause over or underestimation of their load carrying capacity the current research is focused on the bearing capacity analysis of anisotropic soils to do so a lower bound estimate of the bearing capacity of anisotropic soils has been analyzed by the finite elements and linear programming technique as the problem is highly non-linear owing to the dependency of the soil shear strength properties on the major principal stress direction an iterative procedure is associated with the conventional linearized yield criterion to facilitate the calculations lower bound estimates of the bearing capacity factors have been presented at the end.کلیدواژه ها
bearing capacity ,shear strength anisotropy,lower bound,finite elements and linear programming ,plasticityمقالات مرتبط جدید
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