Chicago : Engineering and Contracting Pub. Co. · leaf 487
oline motor cars are used on bridgeinspection, about 60 miles being an averagedays inspection. Upon completion of the in-spection, work sheets showing the work to becarried out and the bill of material requiredare made up in the office of the resident engi-neer. These sheets are printed forms… … Fig. 7—Section Through U-Abutment Walls. system for many years and have proven quite satisfactory. The Economies of Abutment Design for Railway Bridges. A railway bridge abutment is ordinarily amasonry structure which gives vertical sup-port to one end of a steel span and suchlateral support to the…
Buildings
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