Abstract
In various design standards, the method in recommended for Chang on the design of piles. The assumption in the method of Chang is that the lateral resistance (kh) is constant in spite of the direction of depth. In the existing grounds, such a ground is not general, but the kh in the ground changes with depth.
In this paper to confirm the applicability of the methods of Chang and Reese-Matlock, the lateral loading tests of the pile in the sandy and clay/sand layered grounds were performed using a geotechnical centrifuge. Moreover, the new method to certain the stress condition of pile, which used the kh distribution determined by triaxial compression tests and stiffness matrix of beam member, was proposed.