engleski

Deformation and stiffness measurements in reinforced soil

Measurements of horizontal displacements of a reinforced soil structure were taken by using a sliding deformeter fixed to the reinforcement wire mesh at two levels behind the retaining wall. These measurements were taken at different stages during the wall and embankment construction. The stiffness of compacted crushed stone layers behind the wall was assessed by SASW meas-urements. A numerical back-analysis was performed in order to match measured horizontal displacements by successively reducing the value of maximum shear modulus determined by the SASW method. The reinforced soil structure is described and results of SASW and sliding deformeter measurements are presented, as well as results of the numerical analysis.

reinforced soil; modelling; strain; measurement; retaining wall

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