3. A new material is being developed and tested in the lab. The column was made using the new material and was loaded to a constant axial stress of 25 MPa. The deformation is monitored over time according to the following table. The deformation is measured over a length of 250 mm. First sketch strain-time curve and describe the model. Second, determine the elastic modulus and the viscose coefficient. Time (days) Stress (MPa) Deformation (mm) 0. 25 0.6250 1 25 0.6281 2 25 0.6313 3. 25 0.6344 7 25 0.6469 28 25 0.7125 180 25 1.1875 365 25 1.7656

3. A new material is being developed and tested in the lab. The column was made using the new material and was loaded to a constant axial stress of 25 MPa. The deformation is monitored over time according to the following table. The deformation is measured over a length of 250 mm. First sketch strain-time curve and describe the model. Second, determine the elastic modulus and the viscose coefficient. Time (days) Stress (MPa) Deformation (mm) 0. 25 0.6250 1 25 0.6281 2 25 0.6313 3. 25 0.6344 7 25 0.6469 28 25 0.7125 180 25 1.1875 365 25 1.7656

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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Question

3. A new material is being developed and tested in the lab. The column was made using the new material
and was loaded to a constant axial stress of 25 MPa. The deformation is monitored over time according
to the following table. The deformation is measured over a length of 250 mm. First sketch strain-time
curve and describe the model. Second, determine the elastic modulus and the viscose coefficient.
Time (days)
Stress (MPa)
Deformation (mm)
25
0.6250
1
25
0.6281
25
0.6313
3.
25
0.6344
7
25
0.6469
28
25
0.7125
180
25
1.1875
365
25
1.7656

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