Pearson eText for Materials for Civil and Construction Engineers -- Instant Access (Pearson+)
4th Edition
ISBN: 9780137505586
Author: Michael Mamlouk, John Zaniewski
Publisher: PEARSON+
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Chapter 9, Problem 9.39QP
To determine
Discuss how the indirect tensile resistant modulus is determined in the lab.
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PROBLEM 3A tensile test is performed on a brass specimen 10mm in diameter using a gage length of 50mm. When the tensile load P reaches a value of 20kN, the distance between the gage marks has increased by 0.122 mm. What is the modulus of elasticity?
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Chapter 9 Solutions
Pearson eText for Materials for Civil and Construction Engineers -- Instant Access (Pearson+)
Ch. 9 - Prob. 9.1QPCh. 9 - Prob. 9.2QPCh. 9 - Prob. 9.3QPCh. 9 - Prob. 9.4QPCh. 9 - Prob. 9.5QPCh. 9 - Prob. 9.6QPCh. 9 - Prob. 9.7QPCh. 9 - What are the engineering applications of each of...Ch. 9 - Prob. 9.9QPCh. 9 - Prob. 9.10QP
Ch. 9 - Prob. 9.11QPCh. 9 - Prob. 9.12QPCh. 9 - Prob. 9.13QPCh. 9 - Prob. 9.14QPCh. 9 - Prob. 9.15QPCh. 9 - Prob. 9.16QPCh. 9 - Prob. 9.17QPCh. 9 - Prob. 9.18QPCh. 9 - What are the objectives of the asphalt concrete...Ch. 9 - Prob. 9.20QPCh. 9 - Prob. 9.21QPCh. 9 - Prob. 9.22QPCh. 9 - Prob. 9.23QPCh. 9 - Prob. 9.24QPCh. 9 - Prob. 9.25QPCh. 9 - An asphalt concrete mixture includes 94% aggregate...Ch. 9 - Prob. 9.27QPCh. 9 - Prob. 9.28QPCh. 9 - Prob. 9.29QPCh. 9 - Prob. 9.30QPCh. 9 - Based on the data shown in Table P9.31, select the...Ch. 9 - Based on the data in Table P9.32, determine the...Ch. 9 - Given the data in Table P9.33, select the blend...Ch. 9 - The Marshall method of mix design has been widely...Ch. 9 - Prob. 9.35QPCh. 9 - Prob. 9.36QPCh. 9 - Prob. 9.37QPCh. 9 - Prob. 9.38QPCh. 9 - Prob. 9.39QPCh. 9 - Prob. 9.40QPCh. 9 - Prob. 9.41QPCh. 9 - Prob. 9.42QPCh. 9 - Prob. 9.43QPCh. 9 - What is the purpose of adding fly ash to asphalt...Ch. 9 - Prob. 9.45QPCh. 9 - Prob. 9.47QPCh. 9 - Prob. 9.48QP
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- A 40 mm diameter steel bar is subjected to a tension test. Under a tension load of 276.46 kN, it was observed that the original gage length of 50 mm increased in length by 0.055 mm, & the diameter decreased by 0.0105 mm. Find the modulus of elasticity (MPa) (in whole number)arrow_forwarda. Assuming the computer and the printer are turned on, what will be the next step to do when trying to perform a test?b. What part of the UTM will you use to remove the tensile test specimen from the grips?c. In what direction does the lower crosshead move during a tensile test?d. In what direction does the lower crosshead move during a compression test?e. In what direction does the lower crosshead move during a bending test?arrow_forwardPROBLEM 3 A tensile test is performed on a brass specimen 10mm in diameter using a gage length of 50mm. When the tensile loadP reaches a value of 20KN, the distance between the gage marks has increased by 0.122 mm. What is the Poisson's ratio if the diameter decreases by 0.00830 mm.?arrow_forward
- Q2/Show the mechanical properties changes during tensile test of a metal specimen. Write the mathematical relationships. 443Xarrow_forwardPlease present FBD/s A tensile test is performed on a brass specimen 10mm in diameter using a gage lenght of 50mm. When the tensile load P reaches a valule of 20kN, the distance between the gage marks has increased by 0.122mm. What is the modulus of elasticitiy of the brass?arrow_forwardA tension test was conducted for a cylindrical specimen of stain-less steel having an initial diameter (D) of 15.35 mm. Calculate the percentage reduction in area if the final diameter of the specimen (d) is 10.25 mm. Select one: O a. 57.41% b. 56.41% O c. 55.41% d. 58.41% Clear my choicearrow_forward
- A round steel bar with a diameter of 12.5 mm and a gauge length of 50 mm was subjected to tension to rupture following ASTM E-8 test procedure. The load and deformation data were as shown in Table P3.30. Using a spreadsheet program obtain the following: a. A plot of the stress-strain relationship. Label the axes and show units. b. A plot of the linear portion of the stress-strain relationship. Determine modulus of elasticity using the best fit approach. c. Proportional limit. d. Yield stress. e. Ultimate strength. f. When the applied load was 18 kN, the diameter was measured as 12.7 mm Determine Poisson's ratio. g. After the rod was broken, the two parts were put together and the diameter at the neck was measured as 10.6 mm What is the true stress value at fracture? Is the true stress at fracture larger or smaller than the engineering stress at fracture? Why? h. Do you expect the true strain at fracture to be larger or smaller than the engineering strain at fracture? Why? TABLE P3.30…arrow_forwardA 32-mm rebar with a gauge length of 200 mm was subjected to tension to fracture according to ASTM E-8 method. The load and deformation data were as shown in TableUsing a spreadsheet program obtain the following:a. A plot of the stress–strain relationship. Label the axes and show units.b. A plot of the linear portion of the stress–strain relationship. Determine modulus of elasticity using the best-fit approach.c. Proportional limit.d. Yield stress.e. Ultimate strength.f. If the rebar is loaded to 390 kN only and then unloaded, what is the permanent change in length?arrow_forwardSketch the stress-strain curve and explain it in relation to the tensile test for steel bars.arrow_forward
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