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Angle of friction ?, cohesion c and undrained shear strength ?fu are the strength parameters that characterize the mechanical properties of soils. These parameters determine the bearing capacity of a cohesive subsoil. The value of strength parameters depends on many factors, e.g. soil type, consistency, stress state, stress history, loading type and loading mode. The paper presents the influence of plasticity index Ip on strength parameters in cohesive soils. To determine the dependence of strength parameters on t...

At present many new housing projects are being realized in Poland. They are often built in areas characterized by complex hydrogeological and geotechnical conditions. In such cases, the need to build deep excavations is complicated, especially when there is a high water table. The paper presents analysis of dewatering process of deep excavation of residential building. The excavation was carried out to the depth of 10 m below the ground surface. Due to the location of the investment near the river the water table ...