Plat

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$P=72k$

$L=300ft$

$(15$ points$)$ Using section properties provided in the Sample Solution for the Real World Application problem in $HS4,$ perform a check on the flexural capacity of the above $3$span continuous steel plate girder loaded by a vehicle at the middle of the center span.

Check the adequacy of the girder for shear and deflection if the criteria for shear capacity is the same as in AISC but that the deflection criterion is $\frac{L}{800}$ for live load only.