A simply supported wood beam that is 10.2 m long carries a 37 kN concentrated load at B. The cross-sectional dimensions of the beam are b = 145 mm, d = 350 mm, a = 85 mm, and c = 25 mm. Section a-a is located at x = 1.7 m from B. (a) At section a-a, determine the magnitude of the shear stress in the beam at point H. (b) At section a-a, determine the magnitude of the shear stress in the beam at point K. (c) Determine the maximum horizontal shear stress that occurs in the beam at any location within the entire span. (d) Determine the maximum tensile bending stress that occurs in the beam at any location within the entire length. а H a C K 2L 3 13
A simply supported wood beam that is 10.2 m long carries a 37 kN concentrated load at B. The cross-sectional dimensions of the beam are b = 145 mm, d = 350 mm, a = 85 mm, and c = 25 mm. Section a-a is located at x = 1.7 m from B. (a) At section a-a, determine the magnitude of the shear stress in the beam at point H. (b) At section a-a, determine the magnitude of the shear stress in the beam at point K. (c) Determine the maximum horizontal shear stress that occurs in the beam at any location within the entire span. (d) Determine the maximum tensile bending stress that occurs in the beam at any location within the entire length. а H a C K 2L 3 13
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A simply supported wood beam that is 10.2 m long carries a 37 kN concentrated load at B. The cross-sectional dimensions of the beam
are b = 145 mm, d = 350 mm, a = 85 mm, and c = 25 mm. Section a-a is located at x = 1.7 m from B.
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(a) At section a-a, determine the magnitude of the shear stress in the beam at point H.
(b) At section a-a, determine the magnitude of the shear stress in the beam at point K.
(c) Determine the maximum horizontal shear stress that occurs in the beam at any location within the entire span.
(d) Determine the maximum tensile bending stress that occurs in the beam at any location within the entire length.
P
H
a
to
d.
a
K
C
2L
Answer:
(a) TH = i
kPa
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(b) TK =
i
kPa
%3D
(c) Tmax
kPa
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MPa
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