Quiz . 09 February 2005                     
ArchitectureWeek
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QUIZ

Quizzical Pursuit
—The Architecture Puzzler

Created by Dave Guadagni

 

Architecture Puzzler #227

If I told you this common building material is manufactured from CaSO4-2H20, what product would I be referring to?


 

Question from Last Week:
Architecture Puzzler #226

Suppose you are specifying white architectural concrete. Which of the following statements are true?

A. A high proportion of sand in a white concrete mix is recommended to help reduce color variations.
B. A high proportion of sand in a white concrete mix is recommended to help prevent “bug holes” (small round cavities that result from air trapped at the form surface during placement).
C. Manganese oxide pigment is sometimes used to intensify the whiteness of white concrete.
D. The formwork materials can affect the concrete color.
 

Answer to Puzzler #226


 

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

Quizzical Pursuit is Copyright 2005, Dave Guadagni.

AW


ArchWeek Image

Doing chemistry in the "Laboratory of Thomas Price," painting by Henry Alexander.
Image: www.clipart.com

 
 
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