Hoyt, Charles Hamilton, Burr, William H. (William Hubert), 1851-1934, joint author, United States. Bureau of Public Roads · Washington : U.S. Dept. of Agriculture, Office of Public Roads : G.P.O. · leaf 26
Fig. 2.—a Better Type of Culvert. Bui, 39, Office of Public Roads, U. S. Dept. of Agriculture. Plate VI. … m ..s-.s kj 5 ti^ I I- 5>s -^,^ 2^ Us. BOX CULVERTS. 18 beam is loaded. (Fig. 2.) Moreover the compressive strength of con-crete is greater than its tensile strength, and therefore the steelstrengthens that part of the concrete structure which is subject totensile stresses and is most liable to…
Bridges · Culverts
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