Kidder, Frank E. (Frank Eugene), 1859-1905, Nolan, Thomas, 1857-1926 · New York : W.T. Comstock · leaf 458
t. At least one sleeve nut is desir-able, although not absolutely necessary, to facilitate tightening therod, should any settlement take place through shrinkage of the tim-ber. If the stress in the rod is found to be greater than 24,000pounds it will be better and more economical to use two rods… … Fig. 493- By using two stmts the stress in both the beam and tie are materiallyreduced, provided the same depth is given to the truss. In computing the size of the beam it should be remembered thatthis acts both as a strut and as a simple beam. The span for thebeam, however, is only from the…
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