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1	Full-Scale Lateral-Load Tests of a 3x5 Pile Group in Soft Clays and Silts Snyder, Jeffrey L. 15 March 2004 (has links) (PDF) A series of static lateral load tests were conducted on a group of fifteen piles arranged in a 3x5 pattern. The piles were placed at a center-to-center spacing of 3.92 pile diameters. A single isolated pile was also tested for comparison to the group response. The subsurface profile consisted of cohesive layers of soft to medium consistency underlain by interbedded layers of sands and fine-grained soils. The piles were instrumented to measure pile-head deflection, rotation, and load, as well as strain versus pile depth. deep foundations piles static dynamic lateral load test laterally loaded piles laterally loaded pile groups LPILE GROUP p-multipliers p-y curves steel pipe piles closely spaced piles group effects shadowing theory shadowing effects shear zone overlap soft clays silts soft soils fine-grained soils Civil and Environmental Engineering