Answers . 01 February 2006                     
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    Quizzical Pursuit
    —The Architecture Puzzler

    Created by Dave Guadagni

    Solution to Last Week's Puzzler
    Architecture Puzzler #272

    Question

    Soft clay that can be penetrated several inches by a thumb has a bearing capacity of about what pressure? Give your answer in pounds per square foot (psf) or pascals (Pa). Hard clay that can be indented with difficulty by a thumbnail has a bearing capacity of about what

    Answer

    Soft clay that can be easily penetrated by a thumb probably has a bearing capacity of between 500 and 1500 pounds per square foot (24,000 and 72,000 pascals). Hard clay that can barely be indented has a capacity of over 3000 psf (144,000 Pa).
     


     

    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 2006, Dave Guadagni.

    AW

    ArchWeek Image

    An engineer studies the soil conditions during the restoration of Ford's Theater in Washington, DC.
    Photo: www.arttoday.com

     
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