Homework Answers
A beam ABC with an overhang from B to C sup- ports a uniform load of 200 lb/ft throughout its len...
help please!
A beam ABC with an overhang from B to C sup- ports a uniform load of 200 lb/ft throughout its length (see figure). The beam is a channel section with dimensions as shown in the figure. The moment of inertia about the z axis (the neutral axis) equals 8.13 İn.4 200 Ihn (a) Calculate the maximum tensile stress o, and max- imum compressive stress due to the uniform load. (b) Find required span length a that results in...
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) Determine the maximum compressive and tensile normal stresses in the A-36 structural steel beam shown...
(a) Determine the maximum compressive and tensile normal
stresses in the A-36 structural steel beam shown and define their
locations (location along the beam and on the cross section). (b)
Determine the deflection of point B using the double
integration method. The height of the cross section shown (in the
y-direction) is 5 inches and width (in the
z-direction) is 10 inches, and the average thickness
throughout is 0.5 inches. (Use elastic properties for all
calculations)
ANSWER: (a) max tensile...
(7) A moment of M = 4 kip-ft is applied on the cross section shown. Determine...
(7) A moment of M = 4 kip-ft is applied on the cross section shown. Determine (a) the normal stress at point a, (b) the maximum tensile and compressive bending stresses in the beam. Ans: (a) oa = 0.0523 ksi (b) om =-1.779 ksi, om' = 3.72 ksi 10.5 in.al -3 in. +0.5 in. 0.5 in. B 3 in. M 10 in. D +0.5 in.
For the beam and loading shown, determine: A. The maximum shearing force in the beam =...
For the beam and loading shown, determine:
A. The maximum shearing force in the beam = kips
B. The maximum bending moment in the beam = kip in
C. The centroid of the cross section is at (in.) from the bottom
b
D. The moment of inertia of the cross section = in^4
E.the shearing stress at point a = ksi
F. The shearing stress at point b = ksi
G. The max shearing stress in the cross section =...
Can someone help me with problem 5a please Beams: 4a A beam of cross section as...
Can someone help me with problem 5a please
Beams: 4a A beam of cross section as shown (dimensions in centimeters) is loaded by a positive moment M = 800 Nm. Find: (a) the maximum tensile stress o, (x-direction is along the length of the beam); (b) the maximum compressive stress σ 20 20 100 20 Cross- section Beams: 5a The walkboard on a scaffold is 12 ft between supports. A 200 lb person is standing in the middle. The walkboard...
QUESTION 4 A steel beam (W12 x 30) extends horizontally out of a solid concrete wall...
QUESTION 4 A steel beam (W12 x 30) extends horizontally out of a solid concrete wall as shown. The beam is subjected to a horizontal loading as shown and the weight of the beam is 360 lb per ft. 20 ft Aft Side view 6 ft H= 15000 lb H psi Considering the weight of the beam, calculate the following: a). the maximum combined tensile stress at the wall. Olen b). the maximum combined compressive stress at the wall. O...
Problem 1. Consider the beam cross sections shown in figures (a) and (b). If the material...
Problem 1. Consider the beam cross sections shown in figures (a) and (b). If the material comprising beams with these cross sections has allowable bending stress Allow = 25000 psi, either in tension or compression, determine the maximum bending moment each beam can carry. Assume elastic behavior. Take D=6 in. Problem 2. The beam shown has the cross-section indicated. Indicate the location along the beam where the maximum and minimum normal stresses occur in the beam. Determine the values of...
2. A short wooden beam of length L 4 ft is constructed by gluing together two...
2. A short wooden beam of length L 4 ft is constructed by gluing together two smaller beams to form a single beam of width b 4 in. and height h 8 in. It is simply supported and subjected to a concentrated load P at mid-span as shown. 2.1. If the allowable shear stress in the glue is 300 psi, determine the maximum load P, ignoring self-weight. 2.2. If the allowable normal stress is 2 ksi, determine the maximum load...
Cracking Moment (Uncracked Concrete Stage) Problem 1) Problem 2.6 (page 55, McCormac and Brown, gth Ed.)...
Cracking Moment (Uncracked Concrete Stage) Problem 1) Problem 2.6 (page 55, McCormac and Brown, gth Ed.) Note: Modify the total depth of the beam from 24" to 26" and the depth of the steel rebars from 21" to 23". Transformed Area Method (Concrete Cracked- Elastic Stresses Stage) Problem 2) Problem 2.13 (page 56, McCormac and Brown, 8th Ed.) Note: Make the following changes: Change fe to 5 ksi use the values and dimensions shown in the figure below 1) 2)...
help please!
A beam ABC with an overhang from B to C sup- ports a uniform load of 200 lb/ft throughout its length (see figure). The beam is a channel section with dimensions as shown in the figure. The moment of inertia about the z axis (the neutral axis) equals 8.13 İn.4 200 Ihn (a) Calculate the maximum tensile stress o, and max- imum compressive stress due to the uniform load. (b) Find required span length a that results in...
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) Determine the maximum compressive and tensile normal
stresses in the A-36 structural steel beam shown and define their
locations (location along the beam and on the cross section). (b)
Determine the deflection of point B using the double
integration method. The height of the cross section shown (in the
y-direction) is 5 inches and width (in the
z-direction) is 10 inches, and the average thickness
throughout is 0.5 inches. (Use elastic properties for all
calculations)
ANSWER: (a) max tensile...
(7) A moment of M = 4 kip-ft is applied on the cross section shown. Determine (a) the normal stress at point a, (b) the maximum tensile and compressive bending stresses in the beam. Ans: (a) oa = 0.0523 ksi (b) om =-1.779 ksi, om' = 3.72 ksi 10.5 in.al -3 in. +0.5 in. 0.5 in. B 3 in. M 10 in. D +0.5 in.
For the beam and loading shown, determine:
A. The maximum shearing force in the beam = kips
B. The maximum bending moment in the beam = kip in
C. The centroid of the cross section is at (in.) from the bottom
b
D. The moment of inertia of the cross section = in^4
E.the shearing stress at point a = ksi
F. The shearing stress at point b = ksi
G. The max shearing stress in the cross section =...
Can someone help me with problem 5a please
Beams: 4a A beam of cross section as shown (dimensions in centimeters) is loaded by a positive moment M = 800 Nm. Find: (a) the maximum tensile stress o, (x-direction is along the length of the beam); (b) the maximum compressive stress σ 20 20 100 20 Cross- section Beams: 5a The walkboard on a scaffold is 12 ft between supports. A 200 lb person is standing in the middle. The walkboard...
QUESTION 4 A steel beam (W12 x 30) extends horizontally out of a solid concrete wall as shown. The beam is subjected to a horizontal loading as shown and the weight of the beam is 360 lb per ft. 20 ft Aft Side view 6 ft H= 15000 lb H psi Considering the weight of the beam, calculate the following: a). the maximum combined tensile stress at the wall. Olen b). the maximum combined compressive stress at the wall. O...
Problem 1. Consider the beam cross sections shown in figures (a) and (b). If the material comprising beams with these cross sections has allowable bending stress Allow = 25000 psi, either in tension or compression, determine the maximum bending moment each beam can carry. Assume elastic behavior. Take D=6 in. Problem 2. The beam shown has the cross-section indicated. Indicate the location along the beam where the maximum and minimum normal stresses occur in the beam. Determine the values of...
2. A short wooden beam of length L 4 ft is constructed by gluing together two smaller beams to form a single beam of width b 4 in. and height h 8 in. It is simply supported and subjected to a concentrated load P at mid-span as shown. 2.1. If the allowable shear stress in the glue is 300 psi, determine the maximum load P, ignoring self-weight. 2.2. If the allowable normal stress is 2 ksi, determine the maximum load...
Cracking Moment (Uncracked Concrete Stage) Problem 1) Problem 2.6 (page 55, McCormac and Brown, gth Ed.) Note: Modify the total depth of the beam from 24" to 26" and the depth of the steel rebars from 21" to 23". Transformed Area Method (Concrete Cracked- Elastic Stresses Stage) Problem 2) Problem 2.13 (page 56, McCormac and Brown, 8th Ed.) Note: Make the following changes: Change fe to 5 ksi use the values and dimensions shown in the figure below 1) 2)...
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