A 26-foot-long structural steel bar is being tensed along its centroidal axis. Point B is being tensed by 180 kips of force and point C is being tensed by 121 kips of force. The bar has a rectangular cross-section with a height of 3.6 inches and width of 2.8 inches. The steel is HSLC steel with a yield stress, oy = 50 ksi and modulus of elasticity, E = 30,000 ksi. Show all work and any assumptions clearly. Record your answers on the answer key. Complete the following: ): Calculate the axial stress in sections AB and BC of the beam. Does the calculated stress in either section exceed the yield stress of the steel? Calculate the deformation in sections AB and BC of the beam. What is the total axial deformation that the beam experiences? What is the final length of the beam? Calculate the factor of safety that this structural bar was designed for. w = 2.8 in. A B 180 k C 121 k Answer Key σ > Gy Yes or No * 18 ft 8 ft Axial Section Stress (ksi) AB BC Total Deformation, 8 (in) Final Length (ft) F.S. h = 3.6 in. Deformation, 8 (in)

A 26-foot-long structural steel bar is being tensed along its centroidal axis. Point B is being tensed by 180 kips of force and point C is being tensed by 121 kips of force. The bar has a rectangular cross-section with a height of 3.6 inches and width of 2.8 inches. The steel is HSLC steel with a yield stress, oy = 50 ksi and modulus of elasticity, E = 30,000 ksi. Show all work and any assumptions clearly. Record your answers on the answer key. Complete the following: ): Calculate the axial stress in sections AB and BC of the beam. Does the calculated stress in either section exceed the yield stress of the steel? Calculate the deformation in sections AB and BC of the beam. What is the total axial deformation that the beam experiences? What is the final length of the beam? Calculate the factor of safety that this structural bar was designed for. w = 2.8 in. A B 180 k C 121 k Answer Key σ > Gy Yes or No * 18 ft 8 ft Axial Section Stress (ksi) AB BC Total Deformation, 8 (in) Final Length (ft) F.S. h = 3.6 in. Deformation, 8 (in)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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