Engineering and Contracting . liout theshort stringers S (Fig. 2), which extendbetween the beams b~, bs, etc., in a direc-tion parallel to the center line of the , these stringers were inserted at thedirection of the municipal authorities. The general details of the main girders ofthe Milwaukee Ave. viaduct are shown inFig. 4. These girders are 10 ft. 6 ins. deepand 20 ft. wide, and are reinforced withtwenty-eight 1-in. bars spaced 3 ins. hori-zontally -ind 2 ins. vertically. They also con-tain a verv considerable amount of vertical the girders. Bronze plates, A and B, the colum


Engineering and Contracting . liout theshort stringers S (Fig. 2), which extendbetween the beams b~, bs, etc., in a direc-tion parallel to the center line of the , these stringers were inserted at thedirection of the municipal authorities. The general details of the main girders ofthe Milwaukee Ave. viaduct are shown inFig. 4. These girders are 10 ft. 6 ins. deepand 20 ft. wide, and are reinforced withtwenty-eight 1-in. bars spaced 3 ins. hori-zontally -ind 2 ins. vertically. They also con-tain a verv considerable amount of vertical the girders. Bronze plates, A and B, the column C, (Fig. 7) is supported directly upper surfaces of which were finished as a upon a pile foundation, but the column C- sliding surface, arc fitted into the upper cover is supported upon the beam C-, which spans plates ?£ of the grillage beams </i by means the tunnel of the Illinois Tunnel Co. This of a lug. Cast steel plates, C and D, tunnel runs directlv beneath both viaducts, ristirr^p^ ^_ ^ I Main /^einfordncj Bars. .z 3^ ^ =E^ ^r - To^ of hess a srrtoafhffoi^e/cc/ -finish /ei-e/ fv/fhfop of i p fate. oi~> at Sec tion >3 ~A of a fz-c/crs cartes/ fop offiffat f,//eai *vtfH ^arr-z-ee^pcp«.n. I


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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicago, bookyear19