Answered: (a) Fast growth of trees due to plenty…

(a) Fast growth of trees due to plenty of water resources can cause larger annual rings and lower density of wood that increase the specified strengths of the wood.

Fundamentals Of Construction Estimating

4th Edition

ISBN:9781337399395

Author:Pratt, David J.

Publisher:Pratt, David J.

Chapter12: Pricing Masonry, Carpentry, And Finishes Work

Section: Chapter Questions

Problem 6RQ

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Concept explainers

Energy Sources

An energy source refers to the various sources, whether natural or artificial, which are primarily used for the generation of electricity by power plants. Production of electricity by power plants demands the consumption of energy sources in large quantities, which cannot be fulfilled by traditional sources, such as coal and wood. Also, the mere usage of such sources leads to their depletion at a much faster rate.

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(a) Fast growth of trees due to plenty of water resources can cause larger annual rings
and lower density of wood that increase the specified strengths of the wood.

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wood timber with a diameter of 1 inch has a moisture content of 5%. The fiber saturation point (FSP) for this wood is 28%. The wood shrinks or swells 1% in the radial direction for every 5% 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 43%? b) Would the wood swell or shrink? c) What would be the new diameter?