Example $4\mathrm{.}1$:

a$)$ Estimate the beam dimensions and weight

Minimum depth for deflection control $=$

$\frac{L}{16}=\frac{6500}{16}=406\mathrm{.}25mm$

Assume $h=450mm$

Assume $b=250mm$

Assume Bar No$.22$ and cover $40mm$ and stirrups No$.10$

$\backslash$table$[[\backslash$table$[[$Table $9\mathrm{.}3\mathrm{.}1\mathrm{.}1-$Minimum depth of nonprestressed$],[$beams$]]],[$Support what is the $9\mathrm{.}5$ and $22\mathrm{.}2$ how can i write this eqyation for d and the beam weight how can i memorize

condition,Minimum