Kidder, Frank E. (Frank Eugene), 1859-1905, Nolan, Thomas, 1857-1926 · New York : W.T. Comstock · leaf 455
^ ^^i-BOLT^.,- A ELEVATION OF 20BE:AM. … B Plan of i4x24sfruce beam-^i^-span . Fig. 489. keys, centre to centre, works out less than the minimum spacing, thesafe load should be correspondingly reduced or the thickness of thebeam increased. For beams uniformly loaded, the first four or five keys from theends should be spaced for minimum…
Building
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