Kidder, Frank E. (Frank Eugene), 1859-1905, Nolan, Thomas, 1857-1926 · New York : W.T. Comstock · leaf 76
veral planks placed side by side, asin Fig. 52, and bolted together. The planks, however, should alwaysbreak joints over a support. The bolts need not be larger than•| inch in diameter, and spaced 2 feet on centres, in staggered rows,two bolts being placed at each end of the girder. Where each… … 74 BUILDING CONSTRUCTION. than solid girders, and of equal if not greater strength. They cer-tainly are not as likely to warp, and there is less chance of using de-cayed timber. 6i. Steel Beam Girders.—When it is desired to keep steelgirders flush with the floor joists the latter may be sui)ported…
Building
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