Test Confining pressure 1 kPa 5 kPa 10 kPa Axial load at failure 1 15 kPa 21.5 kPa 3 29 kPa (a) Plot the results of these 3 tests as Mohr circles on the using the following graph paper or your computer. This means you either need to: Be sure to label the axes and indicate which test is which. (b) Given this information graphically determine the Coloumb failure envelope, the coefficient of internal friction and the strength of the rock. (c) You have estimated that the load of the power plant will induce a normal stress of 15 kPa and a shear stress of 10 kPa. Will the rock be able to withstand this load? Explain using your Mohr circle diagram 15+ 10- 5- -5- -10- -15+ 0. 10 15 20 25 30

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Confining pressure
1 kPa
5 kPa
Test
Axial load at failure
1
15 kPa
21.5 kPa
10 kPa
29 kPa
(a) Plot the results of these 3 tests as Mohr circles on the using the following graph paper or your computer.
This means you either need to: Be sure to label the axes and indicate which test is which.
(b) Given this information graphically determine the Coloumb failure envelope, the coefficient of internal
friction and the strength of the rock.
(c) You have estimated that the load of the power plant will induce a normal stress of 15 kPa and a shear
stress of 10 kPa. Will the rock be able to withstand this load? Explain using your Mohr circle diagram.
15-
10-
5-
0-
-5
-10-
-15
0.
10
15
20
25
30
45
23
Transcribed Image Text:Confining pressure 1 kPa 5 kPa Test Axial load at failure 1 15 kPa 21.5 kPa 10 kPa 29 kPa (a) Plot the results of these 3 tests as Mohr circles on the using the following graph paper or your computer. This means you either need to: Be sure to label the axes and indicate which test is which. (b) Given this information graphically determine the Coloumb failure envelope, the coefficient of internal friction and the strength of the rock. (c) You have estimated that the load of the power plant will induce a normal stress of 15 kPa and a shear stress of 10 kPa. Will the rock be able to withstand this load? Explain using your Mohr circle diagram. 15- 10- 5- 0- -5 -10- -15 0. 10 15 20 25 30 45 23
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