EBK MATERIALS FOR CIVIL AND CONSTRUCTIO
4th Edition
ISBN: 8220102719569
Author: ZANIEWSKI
Publisher: PEARSON
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Chapter 10, Problem 10.16QP
To determine
Draw the stress–strain diagram of a typical wood, show the modulus of elasticity, and state three different factors that affect the stress–strain relationship.
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A wood beam reinforced by an aluminum channel section is shown in the figure.
150 mm
230 mm
38 mm
6.5 mm
-163 mm-
The beam has a cross section of dimensions 150 mm x 230 mm, and the channel has a uniform thickness of 6.5 mm. If the allowable stresses in the wood and aluminum are 8 MPa and 50 MPa, respectively, and if their moduli of elasticity are in the ratio 1 to 6, what is the maximum allowable bending moment for the beam? Enter the magnitude in kN · m. (Assume that the component parts
of the beam are securely bonded by adhesives or connected by fasteners. Also, be sure to use the transformed-section method in the solution.)
(No Response)
14.06 kN· m
The grains of wood in the board make an angle of 20°
with the horizontal as shown. The board is subjected to
an axial load of P = 250 N . (Figure 1)
Part A
Determine the normal stress that acts perpendicular to the grains.
Express your answer to three significant figures and include the appropriate
units.
µA
Value
Units
Figure
1 of 1
Submit
Request Answer
Part B
300 mm
Determine the shear stress that acts parallel to the grains.
60 mm
Express your answer to three significant figures and include the appropriate
units.
20°
25 mm
HẢ
?
Value
Units
P Pearson
A wood beam reinforced by an aluminum channel section is shown in the figure.
150 mm
232 mm
38 mm
6.5 mm
163 mm-
The beam has a cross section of dimensions 150 mm x 232 mm, and the channel has a uniform thickness of 6.5 mm. If the allowable stresses in the wood and aluminum are 8 MPa and 46 MPa, respectively, and if their
moduli of elasticity are in the ratio 1 to 6, what is the maximum allowable bending moment for the beam? Enter the magnitude in kN • m. (Assume that the component parts of the beam are securely bonded by
adhesives or connected by fasteners. Also, be sure to use the transformed-section method in the solution.)
kN m
Chapter 10 Solutions
EBK MATERIALS FOR CIVIL AND CONSTRUCTIO
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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