Loss of stress in the prestressing steel due to elastic shortening of concrete in rectangular concrete beam (120 mm x 200 mm) prestressed with a force of 150 kN at an eccentricity 20 mm, cross-sectional area of prestressing steel 187.50 mm", modulus of elasticity of steel and concrete is 2.1x10 MPa and 30000 MPa respectively is

Loss of stress in the prestressing steel due to elastic shortening of concrete in rectangular concrete beam (120 mm x 200 mm) prestressed with a force of 150 kN at an eccentricity 20 mm, cross-sectional area of prestressing steel 187.50 mm", modulus of elasticity of steel and concrete is 2.1x10 MPa and 30000 MPa respectively is

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter1: Introduction

Section: Chapter Questions

Problem 1.5.6P: The data in Table 1.5.3 were obtained from a tensile test of a metal specimen with a rectangular...

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The data in Table 1.5.3 were obtained from a tensile test of a metal specimen with a rectangular cross section of 0.2011in.2 in area and a gage length (the length over which the elongation is measured) of 2.000 inches. The specimen was not loaded to failure. a. Generate a table of stress and strain values. b. Plot these values and draw a best-fit line to obtain a stress-strain curve. c. Determine the modulus of elasticity from the slope of the linear portion of the curve. d. Estimate the value of the proportional limit. e. Use the 0.2 offset method to determine the yield stress.
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