3 … „9-,6 4 III. INVESTIGATION OF PRESENT STRUCTURE. Art. I. Loads. The dead load consists of the weight of the structure andthe macadam used as floor covering. Gravel concrete will he takenat 145 pounds per cubic foot and macadam at 90 pounds per cubicfoot as given hy Professor I. 0. Baker, and earth…
Bridges · Concrete bridges · Iron and steel bridges · Theses
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