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Derivation of Nominal Strength for Wood Utility Poles
Ronald W. Wolfe
出版
U.S. Department of Agriculture, Forest Service, Forest Products Laboratory
, 2001
URL
http://books.google.com.hk/books?id=9PAZTG_s5bUC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
註釋
The designated fiber stress values published in the American National Standards Institute Standard for Poles, ANSI O5.1, no longer reflect the state of the knowledge. These values are based on a combination of test data from small clear wood samples and small poles (