International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 494
the weightsexceed the reaction of the left-hand support. T/w vertical shear equals the rcaetion of the left-handsupport, minus all the loads on the beam to the left of the pointeonsidered. For a simple beam, the greatest positive shear is at theleft-hand support, and the greatest negative shear is… … Fig. 234. cally, as shown in Fig. 224, which is Fig. 223 repeated.Draw the force diagram, continue the lines of action of R^ and STRENGTH OF MATERIALS. 483 R^ downwards and make O o =0 5. Through x draw thehorizontal line x x, called the shear axis. The verticalshear is the same for any point…
Railroad engineering
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