Answers . 07 April 2010                     
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    NEXT WEEK

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    Quizzical Pursuit
    —The Architecture Puzzler

    Created by Dave Guadagni

    Solution to Last Week's Puzzler
    Architecture Puzzler #468

    Question

    What would you expect to be different in the construction of a beam designed to withstand a positive moment compared to a beam designed to resist a negative moment?

    Answer

    For a beam designed with a positive moment (simple supported beams), the reinforcing steel would be located in the bottom of the beam. For a beam designed with a negative moment (such as for overhangs and cantilevers), the steel is located near the top of the beam.
     


     

    Okay, got it? Now try this week's Puzzler:

    http://www.ArchitectureWeek.com/quiz.html


     

    Dave Guadagni, AIA, is an architect with Robertson/Sherwood/Architects

    Quizzical Pursuit is Copyright 2010, Dave Guadagni.

    AW

    ArchWeek Image

    Workers guide a steel beam at a high-rise construction site.
    Photo: National Institute for Occupational Safety and Health

     
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