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This document provides methods for estimating the ultimate base resistance (qb) for foundations based on standard penetration test N-values. It establishes ranges for bearing capacity factors Ks and fs for stiff to hard cohesive soils, with maximum values of 150-300 kPa. Higher Ks or fs values may be used if substantiated by load tests. The method is not suitable for very soft to soft cohesive soils. qb can be estimated from Kb(40N), where Kb ranges from 1-3 and qb is limited to 10 MPa, or 15 MPa for unweat

Author

laurenjia

Language

EN