Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. XII
Written by Ernest Daniel OLINIC, Tatiana OLINIC, Adrian ANDRONIC
The shear strength parameters, internal friction angle (φ [°]) and cohesion (c [kPa]) represent derived values, according to the methodology of Eurocode 7 and NP 122. They are determined by processing the pairs of normal stress (σ) - tangential stress (τ) values resulted from direct shear or triaxial compression tests. The paper presents 5 methods of determining the characteristic values, following the direct processing of φ and c values or indirectly, by processing pairs of σ-τ values, resulted from direct shear tests. The characteristics values of shear strength parameters are required for the geotechnical design in the case of various geohazards and for foundation solution. A series of conclusions are drawn based on the legislation in force.
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