Which of the following is the correct relationship between limiting value of the depth of neutral axis (xu max) and effective depth of RCC section (d) for the steel grade of F415?
1
\(\frac{d}{x_{u \max }}=\frac{1}{0.48}\)
2
\(\frac{d}{x_{u \max }}=\frac{0.46}{1}\)
3
\(\frac{d}{x_{u \max }}=\frac{0.48}{1}\)
4
\(\frac{d}{x_{u \max }}=\frac{1}{0.46}\)