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Deflection

Recuperated vertical elastic deformation that produces a standard loading on the surfacing. The deflection pattern is that produced by a 13 ton load between the twin wheels of a simple double axled lorry's rear axle, measured at a temperature of 20ºC with a Benkelman beam. It is measured with static (Benkelman beam) and dynamical equipment. - Characteristic deflection: deflection value that represents the state of the pavement in a homogenous section. - Deflection Calculation: this is obtained by applying the moisture correction coefficient of the formation level to the characteristic deflection using temperature.