Vs=Vuϕ−Vccap V sub s equals the fraction with numerator cap V sub u and denominator phi end-fraction minus cap V sub c The required spacing ( ) for vertical stirrups is:
The simplified design approach involves the following steps: simplified reinforced concrete design 2015 nscp pdf 2021
To simplify the non-linear parabolic stress distribution of concrete in compression, the NSCP 2015 utilizes the Whitney stress block: 0.85fc′0.85 f sub c prime Depth of Stress Block ( ): Neutral Axis Depth ( Vs=Vuϕ−Vccap V sub s equals the fraction with