Question

The appropriate expression in assessing development length is

• A. $L_d=\frac{\varphi {\sigma }_s}{4{\tau }_{bd}}$
• B. $L_d=\frac{\varphi {\sigma }_{bc}}{{\tau }_{bd}}$
• C. $L_d=\frac{{\sigma }_s}{4{\tau }_{bd}}$
• D. $L_d=\frac{\varphi {\sigma }_s}{8{\tau }_{bd}}$

Answer 1

The correct option is A $L_d=\frac{\varphi {\sigma }_s}{4{\tau }_{bd}}$

a.