International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 502
GTH OF MATERIALS. Join // and g by the straight line g /i, and draw F M parallel to g h.Then, O M= 77 lb. = left reaction and J/C= 173 lb. = right reaction.The shear line is drawn as in the previous cases until the point «, onthe vertical //;/, is reached; k n here denotes the vertical shear forany… … ScaU of forces 1=100 lb.Scale of distance 1=8. Fig. 227. right of /, between /c and /, the vertical shear is positive, and is equalto 70 lb.; hence, lay off /t ^ upwards equal to 70 lb., and draw g rhorizontal. The line, O 5-0-7 ;/^ ;-is the shear line. Measur-ing O M, k >i, and /- ^, it is…
Railroad engineering
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