Experimental Study of Rectangular Footing under Inclined and Eccentric load on Geogried Reinforced Sand

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Muthanna Journal of Engineering and Technology
MJET


Volume 5 issue 3, 2017

 

Jawdat K. Abbasa,Nasr A. Hasanb

a Civil Engineering Department, Tikrit University, Salahuddin, Iraq

b Civil Engineering Department, Tikrit University, Salahuddin, Iraq

 

 

ABSTRACT

This study investigates the behavior  of a rectangular footing subjected to inclined and eccentric load on geo-grid reinforced sand by using laboratory modeling. Small model was used to simulate the behavior of rectangular surface footings (length to width ratios of the footings were equal to 1, 1.25, and 1.5). The effect of the eccentricity and inclination of applied load on the bearing capacity, settlement, horizontal displacement and tilt  were  investigated.  The load  eccentricity varies from (0, 0.05B, 0.1B to 0.15B) and the  load inclination varies from (00, 50, 100, 150) . The dry sand is reinforced by multiple layers (1, 2, 3, 4 and 5) of Geo-grid. The results illustrated that by increasing the number of reinforcement layers, the  bearing capacity increased, but there is an optimum value (5). In general, for central, inclination and eccentricity loading the results indicated that by increasing the number of reinforcement layers (N) the bearing capacity increased while settlement, horizontal displacement and tilt decreased.

 

 

 

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