4. A compound beam is made of two beams, AC and CD, connected by a hinge at C. Beam AC is 20 feet long and is hinged at A. Between AC is a roller support B 10 feet from A. Beam CD is also 10 feet long. If a uniformly distributed load w is loaded on the entire length of beam AC and CD, find w if allowable working stress in bending is limited to 20,000 psi. Assume this beam is an I-beam whose section modulus is 4.8 cubic inches. Draw the appropriate V and M diagrams.
4. A compound beam is made of two beams, AC and CD, connected by a hinge at C. Beam AC is 20 feet long and is hinged at A. Between AC is a roller support B 10 feet from A. Beam CD is also 10 feet long. If a uniformly distributed load w is loaded on the entire length of beam AC and CD, find w if allowable working stress in bending is limited to 20,000 psi. Assume this beam is an I-beam whose section modulus is 4.8 cubic inches. Draw the appropriate V and M diagrams.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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4. A compound beam is made of two beams, AC and CD, connected by a hinge at C. Beam AC is 20 feet long and is hinged at A. Between AC is a roller support B 10 feet from A. Beam CD is also 10 feet long. If a uniformly distributed load w is loaded on the entire length of beam AC and CD, find w if allowable working stress in bending is limited to 20,000 psi. Assume this beam is an I-beam whose section modulus is 4.8 cubic inches. Draw the appropriate V and M diagrams.
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