applied to the beam cross section. Calculate (a) the tension normal stress in the wood at point K. (b) the compression normal stress in the steel at point H. Steel (2) Wood (1) H K N.A.
applied to the beam cross section. Calculate (a) the tension normal stress in the wood at point K. (b) the compression normal stress in the steel at point H. Steel (2) Wood (1) H K N.A.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![Awood [E-12 GPa] beam is reinforced by bonding a steel [E-210 GPa) sheet to the upper surface of the wood beam, as shown in the
sketch of the cross section. With the transformed-area method, steel sheet (2) was transformed to an equivalent amount of wood
(1), and the cross-sectional properties of the transformed cross section were determined. The neutral axis of the transformed section
is located a - 20.0 mm above the lower edge of the wood board (i.e., point K) and b- 6.8 mm below the upper edge of the steel sheet
(i.e., point H). The moment of inertia of the transformed cross section is 2.1363x106 mm². A bending moment of M₂ - 520 N-m is
applied to the beam cross section. Calculate
(a) the tension normal stress in the wood at point K.
(b) the compression normal stress in the steel at point H.
Part 1
OK'
Steel (2)
Answer:
Wood (1)
Part 2
Calculate the magnitude of the tensile normal stress in the wood at point K.
e Textbook and Media
i
Save for Later
OH
Answer:
H
eTextbook and Media
K
Save for Later
Calculate the magnitude of the compressive normal stress in the steel at point H.
MPa
b
↑
a
N.A.
MPa
Submit Answer
Attempts: 0 of 5 used Submit Answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F99e37c92-095a-4cae-adf6-01aeaaa5668c%2F58ab6245-9871-4f86-b3cf-b5633d47d642%2F1n8xaxb_processed.png&w=3840&q=75)
Transcribed Image Text:Awood [E-12 GPa] beam is reinforced by bonding a steel [E-210 GPa) sheet to the upper surface of the wood beam, as shown in the
sketch of the cross section. With the transformed-area method, steel sheet (2) was transformed to an equivalent amount of wood
(1), and the cross-sectional properties of the transformed cross section were determined. The neutral axis of the transformed section
is located a - 20.0 mm above the lower edge of the wood board (i.e., point K) and b- 6.8 mm below the upper edge of the steel sheet
(i.e., point H). The moment of inertia of the transformed cross section is 2.1363x106 mm². A bending moment of M₂ - 520 N-m is
applied to the beam cross section. Calculate
(a) the tension normal stress in the wood at point K.
(b) the compression normal stress in the steel at point H.
Part 1
OK'
Steel (2)
Answer:
Wood (1)
Part 2
Calculate the magnitude of the tensile normal stress in the wood at point K.
e Textbook and Media
i
Save for Later
OH
Answer:
H
eTextbook and Media
K
Save for Later
Calculate the magnitude of the compressive normal stress in the steel at point H.
MPa
b
↑
a
N.A.
MPa
Submit Answer
Attempts: 0 of 5 used Submit Answer
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