. Armour engineer. ^ =3. -J \. t > ^ < k ci o fi < .$ w 6 1 < nn s PS 0) h s kj o i Jan. 1910] GREIFENHAGEN : EVANSTON TRACK ELEVATION 25 tal is 1 foot lli/o inches above the top of the curb or crown ofthe street. In the curb piers this pedestal has its horizontaldimensions six inches greater than the column shaft. In thecase of the center piers, the pedestals are replaced by a con-tinuous base or wheel guard running the full length of thepier and built with a starling at each end. The columns are reinforced with about per cent ofsteel, consisting of 1-inch vertica
. Armour engineer. ^ =3. -J \. t > ^ < k ci o fi < .$ w 6 1 < nn s PS 0) h s kj o i Jan. 1910] GREIFENHAGEN : EVANSTON TRACK ELEVATION 25 tal is 1 foot lli/o inches above the top of the curb or crown ofthe street. In the curb piers this pedestal has its horizontaldimensions six inches greater than the column shaft. In thecase of the center piers, the pedestals are replaced by a con-tinuous base or wheel guard running the full length of thepier and built with a starling at each end. The columns are reinforced with about per cent ofsteel, consisting of 1-inch vertical bars. This reinforcement isheld in place by ties of %-inch bars spaced 12 inches center tocenter vertically. The main column bars extend from the con-struction joint at the level of the crown of the roadway to thetop of the top girder. Each one of these column bars is wiredto a footing bar which extends from the bottom of the footingsto a height of 4 feet 6 inches above the construction joint, thusfurnishing continuous reinforcemen
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Keywords: ., bookcentury1900, bookdecade1910, bookidarmourengine, bookyear1910
