A course on the stresses in bridge and roof trusses, arched ribs and suspension bridges (1904)
Burr, William H. (William Hubert), 1861-1934 · New York : Wiley · leaf 170
^{IV+ W^.Each rafter is divided into four equal parts, and W is takenequal to 2W^_. Hence the reaction R — 3 fF. This does notat all affect the generality of the diagram. The lower ex- KOOF TRUSSES. 119 tremity, however, of D, in Fig. 2, will not usually be foundat a. … Fig. I. Fig. 2 is the stress diagram for the vertical loading taken,and the notation has precisely the same meaning as before. It is seen from Fig. i, that there is some ambiguity inregard to the stresses C, Q, F, and M. It may be assumed,however, that E = H and P = Q, which makes F =
Trusses · Bridges
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