Answers . 31 October 2001                     
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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 #72

    Question

    Most commercially produced adobe bricks are "stabilized" by adding asphalt emulsion (3 to 5 percent by weight) or Portland cement (5 to 10 percent). These coat the clay particles and reduce their tendency to absorb water and expand. Occasionally (and traditionally) straw is added why?

    Answer

    Straw is said to increase the brick's tensile strength and reduce shrinkage cracking during curing.
     


     

    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 2001, Dave Guadagni.

    AW

    ArchWeek Image

    Nineteenth century Egyptian adobe brick construction.
    Photo: www.arttoday.com

     
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