Chicago : Engineering and Contracting Pub. Co. · leaf 104
l, sothat it was necessary to have the lower cordof the middle portion of the ribs 1 ft. higherthan at the ends. When floating out the cen-ters, a 24x80-ft. barge is pumped full of waterand filiated into position under the middle por- into a corresponding position, farther alongon the work, the end… … WoodBlocK Old Rope X RubberCushion Half Elevation ,—//-■» Half Section Eng tContg i— Bottom View Fig. 9—Driving Cap for Concrete Piles. tering to exact grade and level, and replacethe lagging at the joints, ready for receivingreinforcement. In the scheme of construction, as laid outby the designing…
Buildings
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