CON $340$ Building Structures Practice Problem

Problem $7$: An angle L$5$x$5$x$5/16$ has a staggered bolt pattern. The holes are for bolts of $3/4$ in diameter.

Formula Sheet

$A_n=A_g-{\displaystyle \underset{?}{\overset{?}{}}}h**t$

$A_n=A_g-{\displaystyle \underset{?}{\overset{?}{}}}h**t+{\displaystyle \underset{?}{\overset{?}{}}}\frac{s^2}{4g}t$

$U=1-\frac{xp}{L}$

$A_e=U**A_n$

$P_{u}0\mathrm{.}9**{}_y**A_g$

$P_{u}0\mathrm{.}75**{}_u**A_e$