Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 78
Fig. 93. Trusses of the types shown in Figs. 94 and 95 have been moreextensively used for bridges than for roofs, as they are not so welladapted to the usual conditions of roof construction. For a seg-mental or parabolic roof, however, this type makes a very eco-nomical truss. In the truss shown by… … member A has no strain except the weight of the tie-rod. If theloads are applied at the bottom all the members of the truss ex-cept the curved rafter will be in tension. With the bracing arranged as shown in Fig. 95, the diagonals arealways in compression under a vertical load; the centre vertical…
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