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  • May 2002

    • May 2002

    Bridges

    A different design

    May 17, 2002
    The American Association of State Highway & Transportation Officials (AASHTO) LRFD specifications have been accepted by several states as the design specification of choice since...
    Roadside Maintenance

    In the weeds

    May 17, 2002
    In roadside maintenance, unlike in golf, long grass is OK. But like in golf, you want to get rid of the unsightly weeds. Last September, the National Roadside Vegetation Management...
    Mulchers

    Chop off their heads!

    May 17, 2002
    Each spring, the tender blades of grass stretch their heads up with new hope. And every year, an employee of some highway maintenance department comes along and chops off the ...
    Software CAD Systems

    String music

    May 17, 2002
    Design, or the documentation of an evolving concept, is without fail at the mercy of changing times, trends and technology. Over the past few decades, the techniques of design...
    Bridges

    Willing to bend

    May 17, 2002
    The Oregon Department of Transportation (ODOT), using highly alloyed stainless steel reinforcing bar in its concrete structures, is building a bridge in North Bend, Ore., that...

    More content from May 2002

    Asphalt

    Viewing the Fill as Half Glass

    May 17, 2002
    Walking on broken glass is probably a bad idea, but driving over broken glass might be a good idea if the glass is used as fill under the road. Clint Stennett, an Idaho state ...
    Bridges

    Making Earthquakes Tremble

    May 17, 2002
    Long-span suspension bridges with spans over 2,300 ft have not been built in the U.S. for the past 36 years when the 4,260-ft main span Verrazano Narrows bridge opened to traffic...
    Retaining Walls

    An answer from the panel

    May 17, 2002
    MKK Constructors faced the usual pressures when entering a design-build project in Colorado—time and money. Frustration could have set in, but the prime contractor wasn’t banging...
    Home

    Grab your pith helmet

    May 17, 2002
    When going on safari through the jungles of project management, it helps to have a copy of Expedition 8.0 by Primavera Systems Inc., Bala Cynwyd, Pa. The software provides construction...
    Home

    Nobody should smell trouble

    May 17, 2002
    I’m going to do it. I’m going to quote Ozzy Osbourne, the pioneering heavy metal rocker known more for his bloody, biting antics onstage than his educated tongue. Amazingly, Americans...