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This paper addresses the centrifuge modeling of the soil-pipe lateral interaction under cyclic conditions for the case of shallowly embedded pipes in sandy soil. The main goal was to evaluate the horizontal forces versus lateral pipe displacement. In that way, centrifuge tests were performed with two different scale factors, 33g and 55g, in order to simulate two external diameters of prototype pipes, respectively 300 mm and 500 mm. Two embedment conditions were studied, respectively 25% and 50% of the pipe diameter. Two rates of pipe displacement were also assessed, 0,5 mm/s and 5mm/s. The sandy soil was characterized in terms of index tests and triaxial tests. Mini-CPT tests were also conducted during centrifuge tests in order to assess the strength of the soil samples during the course of the centrifuge tests.
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