The Architecture Puzzler
Created by Dave Guadagni
Architecture Puzzler #385
The three main fibers used in carpets are wool, olefin, and nylon. Nylon is probably the most commonly used fiber. Why would you consider or not consider wool or olefin in its place?
Question from Last Week:
Architecture Puzzler #384
True or false (for lumber in the United States):
A. Joists are customarily specified in terms of nominal sizes, but calculations to determine the allowable span and required modulus of elasticity are based on actual size.
B. A "two-by-four" is typically half an inch less deep and a "two-by-eight" is typically three-quarters of an inch less deep than the nominal size (actual depths are 3.5 inches and 7.25 inches, respectively).
Answer to Puzzler #384
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Dave Guadagni, AIA, is an architect with Robertson/Sherwood/Architects
Quizzical Pursuit is Copyright 2008, Dave Guadagni.
Stacked carpet squares form the walls of Lucy's House and several other houses designed and built by Samuel Mockbee's Rural Studio.
Photo: Tony Vanky