Civil Engineering Reference
In-Depth Information
Fig. 2.9
Pratt four bay truss. This is occasionally
used in trussed rafters in girder form.
Fig. 2.10
Attic or 'room-in-roof' truss shape. This is a popular shape in trussed
rafters: there are no minimum heights set for h and w, but for h a 2.3 m
minimum is recommended, with 1.21.5 m being the practical minimum
height for w.
