A simply supported wood beam that is 4.2 m long carries a 49 kN concentrated load at B. The cross-sectional dimensions of the beam are b = 130 mm, d = 420 mm, a = 65 mm, and c = 40 mm. Section a–a is located at x = 0.7 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.
A simply supported wood beam that is 4.2 m long carries a 49 kN concentrated load at B. The cross-sectional dimensions of the beam are b = 130 mm, d = 420 mm, a = 65 mm, and c = 40 mm. Section a–a is located at x = 0.7 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.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A simply supported wood beam that is 4.2 m long carries a 49 kN concentrated load at B. The cross-sectional dimensions of the beam are b = 130 mm, d = 420 mm, a = 65 mm, and c = 40 mm. Section a–a is located at x = 0.7 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.
Transcribed Image Text:any location within the entire len
H
K
2L
b.
Answer:
(a) T
kPa
i
(b) TK = i
kPa
(c) Tmax
! kPa
%3D
(d) Omax
11.97
MPa
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