Materials for Civil and Construction Engineers (2nd Edition)
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ISBN: 9781292154411
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Question
Chapter 10, Problem 10.30QP
To determine
Write the four conditions that cause wood decay and occurrence of insects, and how the preservative eliminates wood decay.
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Students have asked these similar questions
Untreated wood can deteriorate when four conditions required for decay and insects occur. States these four conditions. How do preservatives reduce or eliminate wood decay?
A. Differentiate the types of seasoning of lumber.
1. Methods of Seasoning of Lumber
2. Artificial Seasoning of Lumber
B. Give at least 5 common causes of wood decay.
C. Types of Preserving Wood Process
C O N S T R U C T I O N M A T E R I A L S A N D T E S T I N G
not less than 3 sentences
Differentiate softwood from hardwood.
What is wood seasoning? Why do wood need to be seasoned?
Explain the classification of wood production.
Chapter 10 Solutions
Materials for Civil and Construction Engineers (2nd Edition)
Ch. 10 - What are the two main classes of wood? What is the...Ch. 10 - Prob. 10.2QPCh. 10 - Prob. 10.3QPCh. 10 - Discuss the anisotropic nature of wood. How does...Ch. 10 - Prob. 10.5QPCh. 10 - Prob. 10.6QPCh. 10 - Prob. 10.7QPCh. 10 - Prob. 10.8QPCh. 10 - Prob. 10.9QPCh. 10 - Prob. 10.10QP
Ch. 10 - Prob. 10.11QPCh. 10 - Prob. 10.12QPCh. 10 - Prob. 10.13QPCh. 10 - Prob. 10.14QPCh. 10 - Prob. 10.15QPCh. 10 - Prob. 10.16QPCh. 10 - Prob. 10.17QPCh. 10 - Prob. 10.18QPCh. 10 - Prob. 10.19QPCh. 10 - Prob. 10.20QPCh. 10 - Prob. 10.21QPCh. 10 - Prob. 10.22QPCh. 10 - Prob. 10.23QPCh. 10 - A wood specimen was prepared with actual...Ch. 10 - A pine wood specimen was prepared with actual...Ch. 10 - Prob. 10.26QPCh. 10 - Prob. 10.27QPCh. 10 - Prob. 10.28QPCh. 10 - Prob. 10.29QPCh. 10 - Prob. 10.30QPCh. 10 - Prob. 10.31QPCh. 10 - Prob. 10.32QPCh. 10 - Prob. 10.33QP
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- A piece of lumber dries in service from 50 percent moisture content to 10 percent. What is the expected shrinkage?arrow_forwardA wood pole with a diameter of 1 inch has a moisture content of 5%. The fiber saturation point(FSP) for this wood is 30%. The wood shrinks or swells 1% in the radial direction for every5% change in moisture content below FSP.a) What would be the percent change in the wood’s diameter if the wood’s moisture isincreased to 55%?b) Would the wood swell or shrink?c) What would be the new diameter?arrow_forwardA simple lab test for specific gravity, G, on two samples of lumber indicate that sample A has G = 0.4 and sample B has G = 0.5 Based on this informa-tion alone, which wood sample would you choose as a structural member for your construction project? Briefly explain why.arrow_forward
- A wood pole with a diameter of 10 in. has a moisture content of 5%. The fibersaturation point (FSP) for this wood is 30%. The wood shrinks or swells 1%(relative to the green dimensions) in the radial direction for every 5% changein moisture content below FSP.a. What would be the percent change in the wood’s diameter if the wood’smoisture is increased to 55%?b. Would the wood swell or shrink?c. What would be the new diameter?arrow_forwardWhat is the fiber saturation point? What is the effect of the fiber saturationpoint on the shrinkage of wood in the different directions?arrow_forwardWhat are the two types of preservatives that can be used to protect wood from decay? How are these preservatives applied?arrow_forward
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