. American engineer and railroad journal . Built 1840-41. AN OLD REVETMENT WALL. Br W J SPROULE Ml £. /./A/////m,///v/^, /■ CAH f^C Kr KCrSTMEKT rrnti much surplus strength, and hence much unnecessary capi-tal buried. It is an example of a wall so nearly equal tothe requirements that part of it remains in good condition,while part has failed. The accompanying cross-sectionsshow that the wall is much lighter ilian the practice of thepresent day warrants for similar situations, as is seen bycomparing its cross-section with that of the Canadian Pa-cific Railway revetment wall recently built, and
. American engineer and railroad journal . Built 1840-41. AN OLD REVETMENT WALL. Br W J SPROULE Ml £. /./A/////m,///v/^, /■ CAH f^C Kr KCrSTMEKT rrnti much surplus strength, and hence much unnecessary capi-tal buried. It is an example of a wall so nearly equal tothe requirements that part of it remains in good condition,while part has failed. The accompanying cross-sectionsshow that the wall is much lighter ilian the practice of thepresent day warrants for similar situations, as is seen bycomparing its cross-section with that of the Canadian Pa-cific Railway revetment wall recently built, and yet, after50 years duty, a considerable part of the wall is but littledisturbed, and with a similar rate of degeneration wouldnot be in bad condition 50 years hence, while part hasfailed so badly that it became unsafe, and timber propswere resoried to several years ago. Part of the wall wasbuilt in iSjt and part in 1840-41. The failure during re-cent years has been very gradual, and the displacementprobably neaily equal trom year to year. Parts of boththe older and newer portions of the wall ha
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
