What would be the percent change in the wood’s diameter if the wood’s moisture is increased to 38%?  b. Would the wood swell or shrink? c. What would be the new diameter?

Construction Materials, Methods and Techniques (MindTap Course List)
4th Edition
ISBN:9781305086272
Author:William P. Spence, Eva Kultermann
Publisher:William P. Spence, Eva Kultermann
Chapter18: Wood, Plastics, And Composites
Section: Chapter Questions
Problem 16RQ
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A wood pole with a diameter of 1 inch has a moisture content of 12.5%. The fiber saturation point (FSP) for this wood is 30%. The wood shrinks or swells 5% in the radial direction for every 30% change in moisture content below FSP. 

 

a. What would be the percent change in the wood’s diameter if the wood’s moisture is increased to 38%? 

b. Would the wood swell or shrink?

c. What would be the new diameter?

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