s spaced 2 feet apart vertically.They will be riveted to the intermediate posts, and will be con-nected together by 2 x %n lacing bars. 9. Abutments. It is seen on Plate I that the. base of the abutments maybe satisfactorily located at elevation 91.0, at which point theywill have a good bearing on… … Fig. 10. General Dimensions of Abutment. 58. The abutments are of Portland cement concrete having the followingproportions: Cement 1 part Sand S§ parts Broken Stone 5 parts The cubical contents of each abutment is 50 cubic yards, and there-fore the required amount of concrete for the two abutments…
Bridges · Theses
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