Abdou Abd El-Naiem, M. (2008). BEHAVIOR OF STABLIZING SLOPES WITH SAND TRENCH IN COHESIVE SOIL DUE TO STRIP FOOTING. JES. Journal of Engineering Sciences, 36(No 2), 337-355. doi: 10.21608/jesaun.2008.115989
Mostafa Abdou Abd El-Naiem. "BEHAVIOR OF STABLIZING SLOPES WITH SAND TRENCH IN COHESIVE SOIL DUE TO STRIP FOOTING". JES. Journal of Engineering Sciences, 36, No 2, 2008, 337-355. doi: 10.21608/jesaun.2008.115989
Abdou Abd El-Naiem, M. (2008). 'BEHAVIOR OF STABLIZING SLOPES WITH SAND TRENCH IN COHESIVE SOIL DUE TO STRIP FOOTING', JES. Journal of Engineering Sciences, 36(No 2), pp. 337-355. doi: 10.21608/jesaun.2008.115989
Abdou Abd El-Naiem, M. BEHAVIOR OF STABLIZING SLOPES WITH SAND TRENCH IN COHESIVE SOIL DUE TO STRIP FOOTING. JES. Journal of Engineering Sciences, 2008; 36(No 2): 337-355. doi: 10.21608/jesaun.2008.115989
BEHAVIOR OF STABLIZING SLOPES WITH SAND TRENCH IN COHESIVE SOIL DUE TO STRIP FOOTING
Lecturer, Civil Eng .Department, Faculty of Eng., Assiut University, Assiut, Egypt
Abstract
It is well known that many slope failure, which occur every year in the world, are triggered by different loads such as own weight, structures, vehicles, rainfall, or seismic loads. The mechanisms of slope movements due to these loads are not completely understood. Sand trench may be designed to restrain soil movements when used to stabilize cohesive soil slopes or potential landslides. The lateral loads resulting from the soil movement induce stresses and deformations in the sand trench which may lead to its damage. The effects of factors such as type of soil soft, medium, and stiff clay, slope angle β, and position of sand trench on the behavior of stabilizing slopes have been investigated under the effect of line load from strip footing on the road level. The depth of sand trench has been chosen deeper than the expected slip failure surface. A sand trench to improve the behavior of stabilizing slopes has been used. The depth of sand trench has been chosen deeper than the expected slip failure surface which determined according any traditional methods. The selected sand trench depth of 6 m below base point of slope is suitable. From this study it can be found that, the additional deformations include horizontal and vertical displacements are clearly affected with existing sand trench in slope zone. Also, the best position of sand trench when it is constructed in the beginning of slope from top level (horizontal distance X = 0.0 m). The best effect of sand trench appears in the case of soil profile consists of soft clay. The slope angle β influences in the behavior of stabilizing slopes and in the effect of sand trench. Also, the effect of cohesion on the behavior of stabilizing slopes with and without sand trench has been studied. Critical points lie on the surface line of slope such as base, mid, and top points have been chosen to determine the behavior of stabilizing slope.
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