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 139
+ x)-ir-- etc. [(^+i)-(^i+ ^^. + ---etc.)(^) . . . (II). ^2b NON-CONTIXUOUS TRUSSES IN GENERAL. The conditions on which Eqs. (lo) and (ii) are based are precisely the same as if the chords are parallel. In the latter t see (X \ I -\- t case d— oo , /^ = co r^j ar, —, = —;— - = o, and —j-- = sec a.… … is supposed to pass on the bridge from E towards G for themain web stress. H is the point of intersection of the chordsections, while GH and GD are the distances i and m respect-ively. All other notation remains precisely as in the previouscase. The reaction, R, under G, is given by Eq. (i).…
Trusses · Bridges
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