I have to evaluate the floor capacity of an old building. they want to convert it into a dry storage facility. so knowing the floor capacity is necessary. the building floors are supported on bar joists that have round bar top and bottom chords...also the web member.
Im having a heck of a...
for sloped rafters bearing on the top plate of a wall on either side of a ridge beam, on a gabled roof...dont the rafters offer vertical support for the ridge. thus the ridge span is the rafter spacing. or is this for roofs with enough pitch that the rafters have a significant vertical...