Data for use in designing culverts and short-span bridges (1913)
Moorefield, Charles H. (Charles Henry), 1883-, United States. Bureau of Public Roads · Washington : U.S. Dept. of Agriculture, Office of Public Roads : G.P.O. · leaf 21
ORCEMENT.GENERAL REQUIREMENTS FOR STEEL. Reinforcing bars should be made from steel having a safe strengthof not less than 16,000 pounds per square inch, and should possesssufficient malleability to be readily bent into the desired shapeswhile cold. When placed in the concrete they should be free… … -yi
Culverts Design · Bridges Design and construction
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