. Canadian Shipping and Marine Engineering January-December 1916. , the cal-culations have proven so accurate thatwhen the centre span is in position thecentre post of each main truss will beI iraetically perpendicular. To test the accuracy of their calcula-tions, the designers, on the completion ofthe cantilever arm, jacked up the shoreor anchor arm to see what pressure wasnecessary to balance the structure, andtheir expectations were more than re-alized when they found they were with-in a few thousand pounds of the pre-determined amount. Another interesting feature is that of maintain-ing al


. Canadian Shipping and Marine Engineering January-December 1916. , the cal-culations have proven so accurate thatwhen the centre span is in position thecentre post of each main truss will beI iraetically perpendicular. To test the accuracy of their calcula-tions, the designers, on the completion ofthe cantilever arm, jacked up the shoreor anchor arm to see what pressure wasnecessary to balance the structure, andtheir expectations were more than re-alized when they found they were with-in a few thousand pounds of the pre-determined amount. Another interesting feature is that of maintain-ing alignmentof uprights andequalizing thestrain duringconstruction ofthe outer the triangleformed by thecentre post andthe main ten-sion and com-pression mem-bers of thea n e h o r a r mmain panel, alarge horizontalb{T a. c .e, fittedwith an adjust-ing screw, wasused to over-come any unduestress in thevarious mem-bers caused byt h e continualchanging in theshape of theoanels as weightwas added tot h e cantileverarm. The work onthe south shorerapidly than did. PIG. 5 NORTH SHORE TRUSS AS IT APPEARED ONNOVEMBER 7. 1915.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectshipbuilding, bookyea