Analysis of Geometry Effect on Laterally-loaded Large Diameter Bored Pile Deflection in Soft Soil

K. Tamara, T. Ilyas

Research output: Contribution to journalConference articlepeer-review

Abstract

A bored pile is one of the foundation type widely used in construction because of its design flexibility. For a laterally-loaded bored pile, additional pile and pile cap play an important role in influencing the lateral capacity. Large diameter bored pile with a 3.5 m diameter then proposed to substitute group piles in order to simplify the construction method aiming the same capacity. This study examines laterally-loaded large diameter bored pile deflection on soft soil as parametric studies with different pile length of 7 m, 14 m, and 21 m. Thick soft soil layer interpreted through soil testing data at Ancol, North Jakarta with the domination of silt. A thorough analysis of this system is modelled using a three-dimensional numerical method, PLAXIS 3D Foundation using push-over analysis that the deflection of laterally-loaded foundation reaches its tolerable deflection according to Indonesian National Standardization (SNI).

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