Question 1 A plastic-lined steel pipe has the cross-sectional shape shown in Figure Q1 The steel pipe 100 mm and inner diameter d2 94 mm The plastic liner has has an outside diameter d an inner diameter d, 82 mm The modulus of elasticity of the steel is 75 times the modulus of the plastic Determine the allowable bending moment Mallow f the allowable stress in the steel is 35 MPa and that in the plastic is 600 kPa If the pipe and Iiner diameters remain unchanged, what new value of allowable stress for the steel pipe will result in the steel pipe and plastic liner reaching their allowable stress values under the same maximum moment (e, a balanced design)? What is the new maximum moment? d3 d2 7 Figure Q1 Composite steel-plastic pipe.

Question 1 A plastic-lined steel pipe has the cross-sectional shape shown in Figure Q1 The steel pipe 100 mm and inner diameter d2 94 mm The plastic liner has has an outside diameter d an inner diameter d, 82 mm The modulus of elasticity of the steel is 75 times the modulus of the plastic Determine the allowable bending moment Mallow f the allowable stress in the steel is 35 MPa and that in the plastic is 600 kPa If the pipe and Iiner diameters remain unchanged, what new value of allowable stress for the steel pipe will result in the steel pipe and plastic liner reaching their allowable stress values under the same maximum moment (e, a balanced design)? What is the new maximum moment? d3 d2 7 Figure Q1 Composite steel-plastic pipe.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter6: Stresses In Beams (advanced Topics)

Section: Chapter Questions

Problem 6.2.8P: A plastic-lined steel pipe has the cross-sectional shape shown in the figure. The steel pipe has an...

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