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Theoretical analysis and two-dimensional tests for bearing capacity of shallow footings on cohesionless soil subjected to inclined loads

Civil Engineering Research Magazine • 1999
العودة
معلومات البحث
المؤلفون E A El-Kasaby; E H Ramadan; A A E Hegazy
الكلمات المفتاحية Bearing capacity; two-dimensional; equilibrium; shallow footing; inclined loads; bearing capacity factors
المجلة العلمية Civil Engineering Research Magazine
الناشر Faculty of Engineering, Al-Azhar University
المجلد Vol. 21
العدد No. 2, April
الصفحات 278-301
publication.type International
رابط البحث Not Available
المواد المرفقة Not Available
الملخص
The effect of load inclination on bearing capacity was previously studied theoretically either by introducing inclination factors to reduce bearing capacity or by obtaining modified dimensionless factors dependent on load inclination angle ( ). Failure modes and boundaries angles of failure zones were assumed and estimated referring to theoretical assumptions without substantial verification. This is the reason of obtaining different solutions of bearing capacity at same conditions. Therefore, in the present study a series of laboratory two-dimensional bearing tests was carried out to study th effect of load inclination on bearing capacity, soil deformation, failure modes, and boundaries angles of failure zones. Modified inclination bearing capacity factors ( ) are presented to estimate ultimate bearing capacity of shallow footing subjected to inclined loads using main bearing capacity equations. Where, these factors were obtained using limit equilibrium method for analyzing the equilibrium of soil mass beneath footing base level. The analysis of bearing capacity was based on the obtained results of two-dimensional bearing tests.