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 569
int in the opposite chord, about which the truss wouldturn if the first chord were severed at M. The moment of the reaction of the abutment is Wx/2. The moment of the load from the abutment to M is (W/Lx) X the distance of its center of gravity from M, which is x/2, or moment = Wx2 -5- 2 L. Moment… … Fig. 131. The Howe Truss. (Fig. 131.) — In the Howe truss the diagonals arestruts, and the verticals are ties. The calculation of strains may be madein the same method as described above for the Pratt truss. The Warren Girder. (Fig. 132.) — In the Warren girder, or triangu-lar truss, there are no…
Mechanical engineering
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