An asphalt concrete cylindrical specimen with a 4-in. diamcter and a 6-in. height was subjccted to an axial compressive static load for 1 hour, after which the load is removed. The strain versus time plot of the test is shown below. In the plot indicale the following responses of the material: 2 Instantancous recovery b) Delayed recovery Creep d) Permanent strain Dctermine the permancnt deformation after 2 hrs. Look at Red instantaneas horded Labels 0.006 creep 0.005 0.004 0.003 0.002 * Oelayed 0.001 Peraplent Strain 0 000 50 100 Time, minutes 150 UILAS Eldstie Stran
An asphalt concrete cylindrical specimen with a 4-in. diamcter and a 6-in. height was subjccted to an axial compressive static load for 1 hour, after which the load is removed. The strain versus time plot of the test is shown below. In the plot indicale the following responses of the material: 2 Instantancous recovery b) Delayed recovery Creep d) Permanent strain Dctermine the permancnt deformation after 2 hrs. Look at Red instantaneas horded Labels 0.006 creep 0.005 0.004 0.003 0.002 * Oelayed 0.001 Peraplent Strain 0 000 50 100 Time, minutes 150 UILAS Eldstie Stran
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Determine the permanent deformation after 2 hours show all work

Transcribed Image Text:An asphalt concrete cylindrical specimen with a 4-in. diamcter and a 6-in. height was subjccted
to an axial compressive static load for 1 hour, after which the lond is removed. The strain versus
time plot of the test is shown below. In the plot indicale the following responses of the material:
2 Instantancous recovery
b) Delayed recovery
e Creep
d) Permanent strain
Determinc the permanent deformation after 2 hrs.
Look at Red
instantaneaus
53
0.006
crese
Labels
0.005
Requery
0.004
0.003
Delayed
Recoue
0.002
0.001
0 000
Pemadent strean
50
100
Time, minutes
150
Strain, in An.
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