Homework Answers
If we consider the ILD of moment at A, the loading should be placed between the supports and there not be any load on the overhanging part of beam
The moment at A will be positive (tension at bottom). The magnitude of moment=3*20²/8=150 kip-ft
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Problem 4-(15 points) Where should a 3 k/ft distributed live load be placed on the beam...
Problem 5 (20 %) The beam below was loaded with uniform load of 3kip/ft. Using the...
Problem 5 (20 %) The beam below was loaded with uniform load of 3kip/ft. Using the Muller-Breslau principle draw the influence lines for bending moment at critical points G and just right of B, considering a unit moving load. (G is located at the mid-span of AB). Calculate the maximum magnitude bending moment at B and at G if a) the uniform load of 3kip/ft is live and b) the uniform load of 3kip/ft is dead. NOTE: Dead loads are...
The distributed dead load on this beam, wDL, is k/ft. The combined factored distributed load, wfactored,_________is k/ft. The...
The distributed dead load on this beam, wDL,
is k/ft.
The combined factored distributed load,
wfactored,_________is k/ft.
The demand moment, Mdemand, is _________k-ft.
The depth of the compression block, a, is________in.
The minimum area of steel, As,req'd,
is________in2.
Problem 1: Given: The beam with a concentrated load shown below. a 10 ft, b 15 ft. Find: Draw the internal shear fo...
Problem 1: Given: The beam with a concentrated load shown below. a 10 ft, b 15 ft. Find: Draw the internal shear force and bending moment diagrams. Use the standard sign convention. Draw clear, complete and accurate Free Body Diagrams! 5 k
Problem 1: Given: The beam with a concentrated load shown below. a 10 ft, b 15 ft. Find: Draw the internal shear force and bending moment diagrams. Use the standard sign convention. Draw clear, complete and accurate Free...
i) For the beam shown in Fig. 1, if the live load on the beam is...
i) For the beam shown in Fig. 1, if the live load on the beam is 20 k/ft and the dead load including the self-weight is 15 k/ft, 1. how to distribute the load in order to get: a) maximum positive moment and b) maximum negative moment. 2. calculate the values of maximum positive and negative moments 3. suggest the locations of the longitudinal steel bars? 20 ft 5 ft
An elevation of a concrete frame is shown below. A superimposed dead load of 200 lb/ft and a live load of 600 lb/ft are to be supported in addition to the beam self-weight. The beam's cross-...
An elevation of a concrete frame is shown below. A superimposed dead load of 200 lb/ft and a live load of 600 lb/ft are to be supported in addition to the beam self-weight. The beam's cross- section is shown as well. The weight density of reinforced concrete is 150 lbs/eu. ft. Use 1.2D+1.6L as your load combination. Use ACI moment coefficients and statics, as appropriate, to provide the Mu values for points A, B, C, and D. 48 5" 15"...
Part A: A simply supported beam has a span of 15 feet, and carries a load...
Part A: A simply supported beam has a span of 15 feet, and carries a load of 4 K/ft. What is the magnitude of the left support vertical Reaction? Part B: A simply supported beam as a length of 44 feet, and carries a maximum load of 17 k/ft and a minimum of 0 k/ft, as a triangular distributed load. What is the magnitude of the largest reaction?
Part A A uniform live load of 250 lb/ft and a single live concentrated force of...
Part A A uniform live load of 250 lb/ft and a single live concentrated force of 1700 lb are to be placed on the beam. The beam has a weight of 150 lb/ft. Assume the support at A is a pin and B is a roller. Follow the sign convention. (Figure 1) Determine the maximum vertical reaction at support B Express your answer using three significant figures. (By) max(t) SubmitP ous Answers Request Answer XIncorrect: Try Again; 5 attempts remaining...
3 k/ft A beam is supported at points A, C, and E, and is loaded as...
3 k/ft A beam is supported at points A, C, and E, and is loaded as shown. The support at A is fixed. The supports at C and E are rollers. Joints B and D are hinges. BE Hinge /B c2 DHinge - 35 ft- - 35 ft- ft ft a. Determine the reactions at the supports A, C, and E. b. Draw the shear force diagram and the bending moment diagram from A to E. c. Determine the largest...
16.6a) A simply supported beam is to span 15 ft. It will support a uniformly distributed load of ...
16.6a) A simply supported beam is to span 15 ft. It will support a uniformly distributed load of 2 kips/ft over the full span and a concentrated load of 60 kips at mid-span. What is the required plastic section modulus Zx? (Include self-weight) 16.6b) A simply supported beam is to span 15 ft. It will support a uniformly distributed load of 2 kips/ft over the full span and a concentrated load of 60 kips at mid-span. Deflection is not to...
2. A 30 ft long simply supported beam supports a uniformly distributed load of 2 kips/ft...
2. A 30 ft long simply supported beam supports a uniformly distributed load of 2 kips/ft over the entire span. The beam and cross section are shown below. Draw the shear and moment diagrams, find the neutral axis location, moment of inertia of the composite section, the maximum bending stress on the cross section. (40 points) 10" 2 k/ft 1-3" 30'-0"
Problem 5 (20 %) The beam below was loaded with uniform load of 3kip/ft. Using the Muller-Breslau principle draw the influence lines for bending moment at critical points G and just right of B, considering a unit moving load. (G is located at the mid-span of AB). Calculate the maximum magnitude bending moment at B and at G if a) the uniform load of 3kip/ft is live and b) the uniform load of 3kip/ft is dead. NOTE: Dead loads are...
The distributed dead load on this beam, wDL,
is k/ft.
The combined factored distributed load,
wfactored,_________is k/ft.
The demand moment, Mdemand, is _________k-ft.
The depth of the compression block, a, is________in.
The minimum area of steel, As,req'd,
is________in2.
Problem 1: Given: The beam with a concentrated load shown below. a 10 ft, b 15 ft. Find: Draw the internal shear force and bending moment diagrams. Use the standard sign convention. Draw clear, complete and accurate Free Body Diagrams! 5 k
Problem 1: Given: The beam with a concentrated load shown below. a 10 ft, b 15 ft. Find: Draw the internal shear force and bending moment diagrams. Use the standard sign convention. Draw clear, complete and accurate Free...
i) For the beam shown in Fig. 1, if the live load on the beam is 20 k/ft and the dead load including the self-weight is 15 k/ft, 1. how to distribute the load in order to get: a) maximum positive moment and b) maximum negative moment. 2. calculate the values of maximum positive and negative moments 3. suggest the locations of the longitudinal steel bars? 20 ft 5 ft
An elevation of a concrete frame is shown below. A superimposed dead load of 200 lb/ft and a live load of 600 lb/ft are to be supported in addition to the beam self-weight. The beam's cross- section is shown as well. The weight density of reinforced concrete is 150 lbs/eu. ft. Use 1.2D+1.6L as your load combination. Use ACI moment coefficients and statics, as appropriate, to provide the Mu values for points A, B, C, and D. 48 5" 15"...
Part A A uniform live load of 250 lb/ft and a single live concentrated force of 1700 lb are to be placed on the beam. The beam has a weight of 150 lb/ft. Assume the support at A is a pin and B is a roller. Follow the sign convention. (Figure 1) Determine the maximum vertical reaction at support B Express your answer using three significant figures. (By) max(t) SubmitP ous Answers Request Answer XIncorrect: Try Again; 5 attempts remaining...
3 k/ft A beam is supported at points A, C, and E, and is loaded as shown. The support at A is fixed. The supports at C and E are rollers. Joints B and D are hinges. BE Hinge /B c2 DHinge - 35 ft- - 35 ft- ft ft a. Determine the reactions at the supports A, C, and E. b. Draw the shear force diagram and the bending moment diagram from A to E. c. Determine the largest...
2. A 30 ft long simply supported beam supports a uniformly distributed load of 2 kips/ft over the entire span. The beam and cross section are shown below. Draw the shear and moment diagrams, find the neutral axis location, moment of inertia of the composite section, the maximum bending stress on the cross section. (40 points) 10" 2 k/ft 1-3" 30'-0"
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