Question $1$

The rigidly jointed frame shown in Fig. Q$1$ has members of varying bending stiffnesses. Values of $L,,W$ and w are indicated in Table $1.$

$($i$)$ Use the stiffness method to obtain the bending moment diagram.

$(35$ marks$)$

$($ii$)$ Use the PROKON software to obtain the bending moment diagram.

$(6$ marks$)$

$($iii$)$ Compare the results and comment on any discrepancies between the manual and the electronic analysis.

$(4$ marks$)$

Fig. Q$1$

Table $1.$ Values of the dimensions and loads for Q$1.$