Freddie Firefly is most anxious to lighten the cares of his friends in Pleasant Valley for he is a most unselfish fellow and enjoys nothing more than seeing other people as happy as he. He has one grave fault, however, that prevents him from be... Read more of THE TALE OF FREDDIE FIREFLY at Children Stories.caInformational Site Network Informational
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The Vertical Upright Truss

This form of truss naturally develops into a type of wooden bridge known all over the country, as its framing is simple, and calculations as to its capacity to sustain loads may readily be made. Figs. 237, 238 and 239 illustrate these forms.
Fig. 236. Fig. 236.

Fig. 237. Fig. 237.

Next: The Warren Girder

Previous: Common Trusses

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