A cantilever wood beam with a span of L = 21 ft
supports a linearly distributed load with maximum intensity of
w0 = 250 lb/ft. The allowable bending stress of
the wood is 1.70 ksi. If the aspect ratio of the solid rectangular
cross section is specified as h/b = 0.50,
determine the minimum width b that can be used for the
beam.
Homework Answers
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A cantilever wood beam with a span of L = 21 ft
supports a linearly distributed...
A simply supported wood beam with a span of L = 16 ft supports a uniformly...
A simply supported wood beam with a span of L = 16 ft
supports a uniformly distributed load of w0 =
305 lb/ft. The allowable bending stress of the wood is 1.30 ksi. If
the aspect ratio of the solid rectangular wood beam is specified as
h/b = 1.75, calculate the minimum width
b that can be used for the beam.
A simply supported wood beam with a span of L = 16 ft supports a uniformly distributed load of...
A simply supported wood beam with a span of L = 12 ft supports a uniformly...
A simply supported wood beam with a span of L = 12 ft supports a uniformly distributed load of w0 = 300 lb/ft. The allowable bending stress of the wood is 1.70 ksi. If the aspect ratio of the solid rectangular wood beam is specified as h/b = 3.00, calculate the minimum width b that can be used for the beam.
A simply supported wood beam with a span of L = 23 ft supports a uniformly...
A simply supported wood beam with a span of L = 23 ft
supports a uniformly distributed load of w0 =
300 lb/ft. The allowable bending stress of the wood is 1.95 ksi. If
the aspect ratio of the solid rectangular wood beam is specified as
h/b = 2.25, calculate the minimum width
b that can be used for the beam.
Wo 2L Answer: b - in. The number of significant digits is set to 3; the tolerance is +/-1%
A simply supported wood beam with a span of L = 17 ft supports a uniformly...
A simply supported wood beam with a span of L = 17 ft supports a uniformly distributed load of w0 = 250 lb/ft. The allowable bending stress of the wood is 1.65 ksi. If the aspect ratio of the solid rectangular wood beam is specified as h/b = 2.25, calculate the minimum width b that can be used for the beam.
4. (20 pt) A wood beam AB on simple supports with span length equal to 9...
4. (20 pt) A wood beam AB on simple supports with span length equal to 9 ft is subjected to a uniform load of intensity 120 lb/ft acting along the entire length of the beam and a concentrated load P acting at a point 3 ft from the right-hand support (see figure). The allowable stresses in bending and shear, respectively, are 2500 psi and 150 psi. What is the allowable P? (Note: The width and height of the cross section...
A simply supported wood beam AB with span length L = 6 m
A simply supported wood beam AB with span length L = 6 m carries a trapezoidal distributed load of intensity q = 4 kN/m at the left end and q/2 at the right end. Calculate the maximum bending stress Omax due to the load if the beam has a rectangular cross section with width b = 150 mm and height h = 250 mm.
1.2 (20 Marks) A beam of rectangular cross section (width b and height h) supports a...
1.2 (20 Marks) A beam of rectangular cross section (width b and height h) supports a uniformly distributed load along its entire length L. The allowable stresses in bending and shear are all and Tallow, respectively. a) If the beam is simply supported, what is the span length Lo below which the shear stress governs the allowable load and above which the bending stress governs? b) If the beam is supported as a cantilever, what is the length Lo below...
A cantilever beam supports the loads shown. The cross-sectional dimensions of the shape are also shown....
A cantilever beam supports the
loads shown. The cross-sectional dimensions of the shape are also
shown. Assume LAB = 4.0 ft,
LBC = 12.0 ft, w = 1620 lb/ft,
P = 2550 lb, b = 16 in., d = 6 in.,
t = 0.50 in. Determine
(a) the maximum horizontal shear stress.
(b) the maximum compression bending stress.
(c) the maximum tension bending stress.
Chapter 9, Supplemental Question 043 (GO Tutorial) A cantilever beam supports the loads shown. The cross...
A simple beam AB of span length L 6.7 m (Fig. 5-14a) supports a uniform load...
A simple beam AB of span length L 6.7 m (Fig. 5-14a) supports a uniform load of intensity q 22 kN/m and a concentrated load P 50 kN. The uni- form load includes an allowance for the weight of the beam. The concen trated load acts at a point 2.5 m from the left-hand end of the beam. The beam is constructed of glued laminated wood and has a cross section of width b 220 mm and a height h...
P9.037 A cantilever beam supports the loads shown. The cross-sectional dimensions of the shape are also shown. Assume LAB-2.5 ft, LBc 7.5 ft, w 1500 lb/ft, P-2100 lb, b-15 in., d-8 in., t 0.45 in. De...
P9.037 A cantilever beam supports the loads shown. The cross-sectional dimensions of the shape are also shown. Assume LAB-2.5 ft, LBc 7.5 ft, w 1500 lb/ft, P-2100 lb, b-15 in., d-8 in., t 0.45 in. Determine (a) the maximum horizontal shear stress. (b) the maximum compression bending stress. (c) the maximum tension bending stress BC MB Answers: ksi ƠC,ma,- (b) ksi ƠT,max= (c)
P9.037 A cantilever beam supports the loads shown. The cross-sectional dimensions of the shape are also shown....
A simply supported wood beam with a span of L = 16 ft
supports a uniformly distributed load of w0 =
305 lb/ft. The allowable bending stress of the wood is 1.30 ksi. If
the aspect ratio of the solid rectangular wood beam is specified as
h/b = 1.75, calculate the minimum width
b that can be used for the beam.
A simply supported wood beam with a span of L = 16 ft supports a uniformly distributed load of...
A simply supported wood beam with a span of L = 23 ft
supports a uniformly distributed load of w0 =
300 lb/ft. The allowable bending stress of the wood is 1.95 ksi. If
the aspect ratio of the solid rectangular wood beam is specified as
h/b = 2.25, calculate the minimum width
b that can be used for the beam.
Wo 2L Answer: b - in. The number of significant digits is set to 3; the tolerance is +/-1%
1.2 (20 Marks) A beam of rectangular cross section (width b and height h) supports a uniformly distributed load along its entire length L. The allowable stresses in bending and shear are all and Tallow, respectively. a) If the beam is simply supported, what is the span length Lo below which the shear stress governs the allowable load and above which the bending stress governs? b) If the beam is supported as a cantilever, what is the length Lo below...
A cantilever beam supports the
loads shown. The cross-sectional dimensions of the shape are also
shown. Assume LAB = 4.0 ft,
LBC = 12.0 ft, w = 1620 lb/ft,
P = 2550 lb, b = 16 in., d = 6 in.,
t = 0.50 in. Determine
(a) the maximum horizontal shear stress.
(b) the maximum compression bending stress.
(c) the maximum tension bending stress.
Chapter 9, Supplemental Question 043 (GO Tutorial) A cantilever beam supports the loads shown. The cross...
A simple beam AB of span length L 6.7 m (Fig. 5-14a) supports a uniform load of intensity q 22 kN/m and a concentrated load P 50 kN. The uni- form load includes an allowance for the weight of the beam. The concen trated load acts at a point 2.5 m from the left-hand end of the beam. The beam is constructed of glued laminated wood and has a cross section of width b 220 mm and a height h...
P9.037 A cantilever beam supports the loads shown. The cross-sectional dimensions of the shape are also shown. Assume LAB-2.5 ft, LBc 7.5 ft, w 1500 lb/ft, P-2100 lb, b-15 in., d-8 in., t 0.45 in. Determine (a) the maximum horizontal shear stress. (b) the maximum compression bending stress. (c) the maximum tension bending stress BC MB Answers: ksi ƠC,ma,- (b) ksi ƠT,max= (c)
P9.037 A cantilever beam supports the loads shown. The cross-sectional dimensions of the shape are also shown....
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