Adams, Henry · London, New York [etc.] Longmans, Green, and Co. · leaf 188
on each. Itis necessary in a case of irregular loading such as this to find the meancentre of gravity of the whole load. This is done by means of the polardiagram in the centre of Fig. 497 on the right, and the correspondinglarge funicular polygon on the top of Fig. 496. The dotted closinglines of… … ^5~~~^^/a. soo t3^ two smaller polar diagrams in Fig. 497 and the corresponding funicularpolygons in Fig. 495. Then the primary thrust parallelograms beingdrawn, the thrusts at abutments give the direction of the outer lines inthe vector diagram on the left side of Fig. 497, the vectors of…
Building · Structural analysis (Engineering)
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