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Volume :30 Issue : 1 2003      Add To Cart                                                                    Download

Variational method for analysis of laterally loaded piles in a two-layered soil medium

Auther : SAN-SHYAN LIN1 AND ABDULLATEEF M. AL-KHALEEFI*2

1Department of Harbor & River Engineering, National Taiwan Ocean University Keelung, Taiwan 20224

2 Department of Civil Engineering, Kuwait University, P.O.Box 5969, 13060 Safat, Kuwait

ABSTRACT

An analytical procedure for analysis of laterally loaded piles in a two-layered elastic soil system is proposed, which uses the variational method to obtain the governing differential equation of the pile and soil system. The important foundation properties are quantified through one interaction parameter م for the soil layers. The م-parameter controls the stress decay in the soil away from the pile. Either free or fixed pile head conditions may be considered. The results obtained using the proposed method are compared with experimental and theoretical results obtained by other investigators, The theoretical studies include parameter studies on the effect of the elastic properties of the soil and pile material, the thickness of the surface layer, the geometric pile parameters on the pile head displacement, the maximum bending moment, the location of the maximum moment, and the parameter م.


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