Canadian engineer . Fig. 2. this is, of course, obtained by repeated operations, similar topile driving. The form of this,hammer ensu:es the surro. nding earth being firm and strong, so that even when drivingthrough loose earth, the walls of the hole will remain * The total width of the dredge between the triangle is64 ft., of which the roadway is 44 ft. and the sidewalk on eachside 10 ft. Fig. 3.—View Showing Lower Part of Abutments. concrete piles and the superstructure a number of verticalbars were embedded in the piles. The foundation work was done between the months ofJanuary
Canadian engineer . Fig. 2. this is, of course, obtained by repeated operations, similar topile driving. The form of this,hammer ensu:es the surro. nding earth being firm and strong, so that even when drivingthrough loose earth, the walls of the hole will remain * The total width of the dredge between the triangle is64 ft., of which the roadway is 44 ft. and the sidewalk on eachside 10 ft. Fig. 3.—View Showing Lower Part of Abutments. concrete piles and the superstructure a number of verticalbars were embedded in the piles. The foundation work was done between the months ofJanuary and July, and there were frequent interruptions dueto highwater in the river. 842 THE CANADIAN ENGINEER Volume 22. At one end of the bridge a wall of rock formed a strong-natural protection and prevents any damage being done bythe water to the abutments ; at the other endof the bridge this protection is obtained byreinforced concrete sheet piling, connected to-gether by tongue and groove joints. Thesepiles were sunk in position by the use of awater jet, the water being brought to the endof the piles under a head of 70 ft. In the reinforcement of the bridge only twosizes of bars were used,* the unusual sectionof these bars is shown in Fig. 5, and is thedesign of Mr
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishertoron, bookyear1893
