1.4-7 The data shown in the table below were obtainedfrom a tensile test of high-strength steel. The test specimenhad a diameter of 13 mm and a gage length of 50 mm (seefigure for Prob. 1.4-3). At fracture, the elongation betweenthe gage marks was 3.0 mm and the minimum diameter was10.7 mm.Plot the conventional stress-strain curve for the steefor the steeland determine the proportional limit, modulus of elastics of elastic-ity (i.e., the slope of the initial part of the stress-strain,tress-straincurve), yield stress at 0.1% offset, ultimate stress, percent,elongation in 50 mm, and percent reduction in area.'ess, percentarea.TENSILE-TEST DATA FOR PROB. 1.4-7Elongation (mm)0.0050.0150.048Load (kN)51030500.084600.09964.50.10967.00.11968.00.13769.00.16070.00.22972.00.25976.00.33084.00.58492.00.853100.01.288112.02.814113.0Fracture 1.5-2 A bar of length 2.0 m is made of a structural steelhaving the stress-strain diagram shown in the figure. Theyield stress of the steel is 250 MPa and the slope of the ini-tial linear part of the stress-strain curve (modulus of elas-ticity) is 200 GPa. The bar is loaded axially until itelongates 6.5 mm, and then the load is removed.How does the final length of the bar compare withits original length? (Hint: Use the concepts illustrated inFig. 1-36b.)o (MPa)3002001000.0020.0040.006PROB. 1.5-2

As per guidelines, I am solving the first question 1. 4-7 Given Table of values for Load and…

1.4-7 The data shown in the table below were obtained from a tensile test of high-strength steel. The test specimen had a diameter of 13 mm and a gage length of 50 mm (see figure for Prob. 1.4-3). At fracture, the elongation between the gage marks was 3.0 mm and the minimum diameter was 10.7 mm. Plot the conventional stress-strain curve for the steefor the steel and determine the proportional limit, modulus of elastics of elastic- ity (i.e., the slope of the initial part of the stress-strair,tress-strain curve), yield stress at 0.1% offset, ultimate stress, percent elongation in 50 mm, and percent reduction in area. ess, percent area.

1.4-7 The data shown in the table below were obtained from a tensile test of high-strength steel. The test specimen had a diameter of 13 mm and a gage length of 50 mm (see figure for Prob. 1.4-3). At fracture, the elongation between the gage marks was 3.0 mm and the minimum diameter was 10.7 mm. Plot the conventional stress-strain curve for the steefor the steel and determine the proportional limit, modulus of elastics of elastic- ity (i.e., the slope of the initial part of the stress-strair,tress-strain curve), yield stress at 0.1% offset, ultimate stress, percent elongation in 50 mm, and percent reduction in area. ess, percent area.

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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