Problem 2.2-8The three-bar truss ABCshown in the figure has a spanL53 m and is constructed of steel pipes having cross-sectional area A53900 mm2 and modulus of elasticity E5200 GPa. A load Pactshorizontally to the right at joint C.(a) If P5650 kN, what is the horizontal displacement of joint B?(b) What is the maximum permissible load Pmaxif the displacement ofjoint B is limited to 1.5 mm?68CHAPTER 2 Axially Loaded MembersLAB45°45°PCSolution 2.2-8Truss with horizontal loadLAB45°45°PCL2—RBFBCFABRB=BL53mA53900 mm2E5200 GPa
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