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    Civil Engineering Magazine cover - January 2018

    This month in Civil Engineering


    In Every Issue:

    • News
    • Next Step
    • Policy Briefing
    • President's Note
    • The Law

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    Access Granted

    Jan - 2018

    By Christopher W. Wright, P.E., M.ASCE, and Derek S. Mihaly, A.M.ASCE

    In southeastern Pennsylvania, CSX Transportation sought to increase the productivity of its Trenton Line freight rail service by improving the vertical clearance of its tracks so it could operate double-stack container cars along the busy corridor. Investigations using technologies ranging from aerial and laser surveys to lidar, GPS equipment, ground-penetrating radar, and seismic refraction techniques helped determine the geotechnical conditions along the route and inform the resulting design. A combination of foundation support structures, protection slabs, and soldier-pile walls was used to protect the surrounding structures and utilities during the track-lowering process, which included both traditional and innovative excavation methods.

    web article

    Updating History

    Jan - 2018

    By Mark A. Weaver, P.E., S.E., M.ASCE, Todd M. Goolkasian, P.E., S.E., M.ASCE, and Douglas J. Ries, P.E., M.ASCE

    A beloved 1921 Parker truss bridge in Healdsburg, California, underwent an extensive rehabilitation and seismic retrofit so that the community could continue to use the historic crossing.

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    A Question of Ethics scales

    The political corruption investigation that would infamously lead to the resignation of then-U.S. vice president Spiro Agnew in 1973 is said to have begun with an anonymous phone call to the Internal Revenue Service, stating that agents would find "interesting things" going on in Baltimore County, Maryland.

    A Question of Ethics

    Cape Hatteras Lighthouse (HL 1/18)

    First completed in 1803, then rebuilt in 1870, Cape Hatteras Lighthouse is, at just under 199 ft, one of the largest in the world. It has safeguarded ships rounding the Outer Banks across three centuries, surviving hurricanes and earthquakes as well as a perilous half-mile move in 1999.

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