A sample of a 20 mm reinforcing steel used in concrete structure is subjected to a tensile test. The gauge length of the test specimen is 150 mm. From the stress-strain curve, it was identified that the yield stress of the steel was 550 MPa. Determine the corresponding yield strain.Take Young's modulus as 200,000 MPa.The steel bar fractured at 210 kN. Find out the ultimate tensile strength of the steel.

A sample of a 20 mm reinforcing steel used in concrete structure is subjected to a tensile test. The gauge length of the test specimen is 150 mm. From the stress-strain curve, it was identified that the yield stress of the steel was 550 MPa. Determine the corresponding yield strain.Take Young's modulus as 200,000 MPa.The steel bar fractured at 210 kN. Find out the ultimate tensile strength of the steel.

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...

See similar textbooks

Similar questions

The results of a tensile test are shown in Table 1.5.2. The test was performed on a metal specimen with a circular cross section. The diameter was 3 8 inch and the gage length (The length over which the elongation is measured) was 2 inches. a. Use the data in Table 1.5.2 to produce a table of stress and strain values. b. Plot the stress-strain data and draw a best-fit curve. c. Compute the, modulus of elasticity from the initial slope of the curve. d. Estimate the yield stress.
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.
A tensile test was performed on a metal specimen having a circular cross section with a diameter 0. 510 inch. For each increment of load applied, the strain was directly determined by means of a strain gage attached to the specimen. The results are, shown in Table: 1.5.1. a. Prepare a table of stress and strain. b. Plot these data to obtain a stress-strain curve. Do not connect the data points; draw a best-fit straight line through them. c. Determine the modulus of elasticity as the slope of the best-fit line.
A tensile test was performed on a metal specimen with a diameter of 1 2 inch and a gage length (the length over which the elongation is measured) of 4 inches. The dam were plotted on a load-displacement graph. P vs. L. A best-fit line was drawn through the points, and the slope of the straight-line portion was calculated to be P/L =1392 kips/in. What is the modulus of elasticity?
A cylindrical brass specimen having a diameter of 1.10 cm and initial gage length of 4.04 cm is subjected to tensile strength test. The load-deformation values are given in the below table. The final length and final diameter of the specimen were measured as 4.33 cm and 0.92 cm, respectively. Complete the below table and plot true stress-true strain diagram and determine. Yield strength at 0.2 % off-set method. Poisson’s ratio of the material at 135 kN load (assume that there is no volume change) If the material were unloaded from 175 kN, what would be its final length? 1 nm=1*10-9 m, 1 0A=10-10 m
A load applied to a machine component results in the state of plane stress ?x=80 MPa, ?y=100 MPa, ?xy=60 MPa. The component is made of a brittle high-strength steel that follows the maximum normal stress criterion with ?u=200 MPa. If increasing the load increases each stress component proportionally, determine the percentage increase that can be applied before the component fails.
A cylindrical specimen of stainless steel having an initial diameter of 12.8?? and initial length of 50.8?? is pulled in tension. Use the data provided below to a) Plot the data as engineering stress versus engineering strain using excel or similar software. b) Compute the modulus of elasticity. c) Determine the yield strength at a strain offset of 0.002. d) Determine the tensile strength of this alloy. e) What is the approximate ductility, in percent elongation? f) Compute the modulus of resilience. Load (?) Length (??) 0 50.800 12,700 50.825 25,400 50.851 38,100 50.876 50,800 50.902 76,200 50.952 89,100 51.003 92,700 51.054 102,500 51.181 107,800 51.308 119,400 51.562 128,300 51.816 149,700 52.832 159,000 53.848 160,400 54.356 159,500 54.864 151,500 55.880 124,700 56.642 Fracture
In the figure below, a stainless steel wire is supporting a weight, W. The Yield Strength and Young’s Modulus for stainless steel (Grade 304) is 205 MPa and 190 GPa, respectively. What is the maximum weight, W, in kN that can be supported by the wire if the allowable deformation is 1.3 mm? What is the safety factor relative to the Yield Strength at this allowable deformation condition?
Estimate the cross-sectional area of a 350S125-27 cold-formed shape.a. If the member is tested in tension, what would be the maximum force the sample could carry before reaching the yield strength if the steel has a yield strength of 33 ksi?b. Would you expect a 96 in. stud to carry the same load in compression?(explain)
A tensile test was conducted on a mild steel bar for construction application in Falcon company’sEngineering Materials lab. The following data was obtained from the test(i) diameter of the steel bar = 3cm(ii) Gauge length of the bar = 20 cm(iii) Load at elastic limit = 250 kN(iv) Extension at a load of 150kN = 0.21 mm(v) failure load = 380 kN(vi) Total extension = 60 mm(vii) diameter of the rod at failure = 2.25 cmDetermine (a) Young’s Modulus, (b) Stress at elastic limit, (c) percentage of elongation,(d) Percentage of decrease in area (d) failure stress
During a tensile test on a specimen of steel the following data was recorded, diameter of specimen 6.6mm gauge length of 50mm ,elongation of a load of 6.0 KN of 0.043mm. Reduction of area at failure of 45percent. Calculate the youngs modulus of elasticity ,the yield stress and the ultimate stress
DURING THE STRESS-STRAIN TEST, THE UNIT DEFORMATION AT A STRESSOF 30 MPa WAS OBSERVED TO BE 110 x 10-6 mm/mm AND AT A STRESS0F 130 MPa IT WAS 520 X 10-6 mm/mm. IF THE PROPORTIONAL LIMITWAS 250 MPa, WHAT IS THE MODULUS OF ELASTICITY? WHAT IS THESTRAIN CORRESPONDING TO A STRESS OF 150 MPa?