The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 571
ch joint b, d, f, etc.;V= reaction at A = 1/2 W = 1/2 NP = 4P;AD= S; AC = L; CD = D;ti,h,tz= tension on De, eg, gA, respectively;ci, C2, c3, c4= compression on Cb, bd, df, and fA. 522 MECHANICS. Strains in 1, orDe = h= 2PS + D; 2, eg = k = 3 PS -s- Z>; 3, gA = ts=7frPS -*- D; 4, A/ = c4=7/2PL +… … Exampm:. — Given a Fink roof-truss of span 64 ft., depth 16 ft., withfour panels on each side, as in hecut; total load 32 tons, or 4 tonseach at the points /, d, 6, C, etc. (and 2 tons each at A and B, which trans-mit no strain to the truss members). Here W = 32tons, P = 4 tons,S= 32 ft., D = 16…
Mechanical engineering
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