Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 30
As in actual roof construction a part of the load, such as the snowand wind, is variable, one side of the roof often being loaded whenthe other is not, a truss of the shape shown in Fig. 14 cannot beused. To adapt this type of truss to the actual conditions of roof 8 Q … Fig. 13. Fig. 14. construction we must build it in the manner shown in Fig. 15- Inthis case we will assume that the point A is loaded and the point Bunloaded. The load at A will then be supported by the rafter Dand by the brace or strut C. The vertical component of the stress inC will be taken up…
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