rth their real linealdimensions. 10 ON CAST-IRON BEMIS FOR Fig. 9. Dimensions of cross section, at place of fracture, in inches and parts. Area of top rib. . . . =1-75 x 42= -735Area of bottom rib . . =1-77 x -39= -690Thickness of vertical part, between ribs = 29 Area of above section = 2*82 Weight… … To find the strength per inch of cross section, we have,dividing the breaking weight by the area, = 2368 lbs. per inch. As this quantity in each beam may be taken as an indexof its strength, we shall use it to compare the strengths of thosebeams which are of the same length and depth, which is…
Building, Iron and steel
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