ABSTRACT
Shaking table tests on model pile in saturated inclined ground were conducted at the NCREE, Taiwan to study the soil-structure interaction, especially lateral spreading, in a liquefiable ground during earthquake. The model pile made of aluminium alloy was placed in an inclined biaxial laminated shear box filled with saturated clean sand. The pile tip was fixed at the bottom of the shear box. Input shakings including sinusoidal and recorded earthquake accelerations were mainly imposed perpendicularly to the slope direction. Densely instrumented pile and the transducer arrays inside soil specimen measured during the shaking. Lateral spreading displacements of the soil and pile behaviour were observed while soil liquefaction. The kinematic loading on the model pile due to lateral spreading during shaking can be separated in a suitable way by using the biaxial shear box. In addition, the stiffness of the soil would recover with the dissipation of pore water pressure.
