Concrete bridges and culverts, for both railroads and highways (1909)
Tyrrell, H. G. (Henry Grattan), b. 1867 · Chicago The M.C. Clarke publishing co. [etc.] · leaf 241
2 Portals:— Concrete 88 yds. @ $8.00=6704Barrel per lin. ft. Concrete6.2yfis. (S$8.00=$49.0 Steel 150 lbs. ^: .04= 6 6$55 6 If foundation Is depressed asshown dotted, tlien area = 172square feet. Len^lh for 20 ft. bank = 32ft. st = *24fO. Fig. 51. Figure 52 is a reinforced concrete box culvert…
Bridges, Concrete · Culverts
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