helpASSIGNMENT $2$

Given:

$7\mathrm{.}21$

Imposed load on plan

Dead load including selfweight of truss

Spacing between trusses

$=0\mathrm{.}75k\frac{N}{m^2}$

$=0\mathrm{.}5k\frac{N}{m^2}$

$=5m.$

Purlins are located on nodes.

All steel members are in grade $$275.$

ex$.$a$)$ Determine the point load, $P$

f$).$ Determine the maximum compression force in the top chord

g$).$ c$)$ Determine the maximum tension force in the bottom chord.

$.2$ Using d$$uble angles $\frac{2}{75}506L,$ determine whether the angle section is suitable for the top chord.

i$).(2)$ Using single angle $90908L,$ determine whether the angle is suitable for

All members are connected at their ends with $2-$ M$20$ bolts in series.