Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 319
Fig. 209. should be placed side by side. The thickness of the metal should notbe less than \ inch, and the web should be about \ inch thicker thanthe flange. 3°4 B UILDING CONS TRI( TION. When proportioned as above the strength of the lintel to support adead load may be safely made equal to 9700 X… … Store Front Lintel. Thus a lintel of 6 feet clear span with 12-inch by f-inch flange andextreme depth of 12 inches should safely support 0700 X 9 X 12 . — = 14,55° pounds. Lintels over store fronts shouldbe made with ribs at the ends, asshown in Fig. 209, with holes forbolting the lintels to each…
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