Abstract
The rock-socketed piles are large diameter bored piles socketed to bed rock that are widely adopted foundation practice to carry heavy axial and lateral loads. It is a usual practice to neglect the effect of soil cover during the design of axially loaded rock-socketed piles. Unlike, the axial load case, the depth and nature of soil cover is found to have significant role in the behavior of rock-socketed piles when subjected to lateral loading. In this work, a numerical analysis conducted in finite element tool, ABAQUS, on laterally loaded rock-socketed piles is presented. The finite element model was validated using an experimental study found in literature. Further, a detailed parametric study was carried out to investigate the influence of depth and shear strength parameters of the soil cover on the lateral load response of rock-socketed pile. For short and moderate length piles considered in this study, the geometric parameters such as soil cover depth, socket length, and ratio of soil cover depth to socket length were found to have profound effect on the lateral load response of rock-socketed piles. The effect soil cover depth was also found to be relatively independent of the shear strength characteristics of soil.
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