Assessment of Topographic, Geological and Hydrological Conditions
In there: + Select concrete for column neck and foundation of durability level B22.5 (grade 300) with R b = 130 kg/cm 2 ; R bt = 10 kg/cm 2 . + = (0.7÷0.9), is the longitudinal bending coefficient, approximated by = 0.9 => Choose b c = 200; l c = 300 N tt 0 Q tt 0 M tt 0 L p tt min min ...












