4. A tensile bar has an initial 2.000-in. gauge length and a circular cross-sectionalarea of 0.2 in.?. The loads and corresponding gauge lengths recorded in a tensiletest are show below. After fracture the bar diameter was 0.370 in.Gauge length(in.)Load(Ib)2.00002.00176,00012,00015,00018,00021,00024,00025,00022,0002.00342.00422.00882.0432.302.55В.00a)Plot the data as engineering stress versus engineering strain.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.g)Compute from the data and plot true stress versus true strain diagram.

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4. A tensile bar has an initial 2.000-in. gauge length and a circular cross-sectional area of 0.2 in.?. The loads and corresponding gauge lengths recorded in a tensile test are show below. After fracture the bar diameter was 0.370 in. Load Gauge length (in.) (Ib) 2.0000 2.0017 6,000 12,000 15,000 18,000 21,000 24,000 2.5,000 22,000 2.0034 2.0042 2.0088 2.043 2.30 2.55 B.00 a) Plot the data as engineering stress versus engineering strain. b) Compute the modulus of elasticity. c) Determine the yield strength at a strain offset of 0.002.

4. A tensile bar has an initial 2.000-in. gauge length and a circular cross-sectional area of 0.2 in.?. The loads and corresponding gauge lengths recorded in a tensile test are show below. After fracture the bar diameter was 0.370 in. Load Gauge length (in.) (Ib) 2.0000 2.0017 6,000 12,000 15,000 18,000 21,000 24,000 2.5,000 22,000 2.0034 2.0042 2.0088 2.043 2.30 2.55 B.00 a) Plot the data as engineering stress versus engineering strain. b) Compute the modulus of elasticity. c) Determine the yield strength at a strain offset of 0.002.

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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Concept explainers

Methods to Determine Vertical Stress

The load applied to the soil is transferred to the underground. The presence of water at soil pores and solid grains above the soil are the primary components that are responsible for the effective load transfer. Due to the load acting, the internal component of the soil or the underground formations undergoes deformations or a tectonic shift. The amount of deformation depends upon the amount of load acting on the soil surface, which indeed, depends on the weight of everything present above the soil. Due to this, the underground soil element develops internal stresses which try to resist the tectonic changes.

Question

4. A tensile bar has an initial 2.000-in. gauge length and a circular cross-sectional
area of 0.2 in.?. The loads and corresponding gauge lengths recorded in a tensile
test are show below. After fracture the bar diameter was 0.370 in.
Gauge length
(in.)
Load
(Ib)
2.0000
2.0017
6,000
12,000
15,000
18,000
21,000
24,000
25,000
22,000
2.0034
2.0042
2.0088
2.043
2.30
2.55
В.00
a)
Plot the data as engineering stress versus engineering strain.
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.
g)
Compute from the data and plot true stress versus true strain diagram.

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