Adams, Henry · London, New York [etc.] Longmans, Green, and Co. · leaf 138
EXAMPLES FOR PRACTICE 123 may be considered as pivoted at the supports and at A and B, in order to obtaina stress diagram virtual forces must be introduced at the latter points. To obtainthese forces divide the truss into the two parts as in Figs. iOl and 402, taking intoaccount the amount of load… … Seruct(/rai. Loaa 2/ Lbs. per f^.s^upHorixonCaC mna/ pressure 42 U>s per fCsup. forces. The stress diagram, Pig. 403, may now be drawn out and completed.To find the true reactions the amounts coming on to the supports from thevirtual forces must be subtracted from the reactions found by Figs.…
Building · Structural analysis (Engineering)
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