Q-4: Soil samples have been collected from a virgin ground and sent to a NATA accredited laboratory to determine shear strength parameters. The laboratory conducted direct shear test using 100 mm X 100 mm samples and returned the following test result. Test no. 1 2 Normal stress (kPa) 100 200 Shear stress at failure (kPa) 77.74 135.47 For the given soil, determine minor principal stress when major principal stress is are 450 kPa.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Q-4: Soil samples have been collected from a virgin ground and sent to a NATA accredited laboratory to
determine shear strength parameters. The laboratory conducted direct shear test using 100 mm X 100 mm
samples and returned the following test result.
Test no.
1
2
Normal stress (kPa)
100
200
Shear stress at failure (kPa)
77.74
135.47
For the given soil, determine minor principal stress when major principal stress is are 450 kPa.
Transcribed Image Text:Q-4: Soil samples have been collected from a virgin ground and sent to a NATA accredited laboratory to determine shear strength parameters. The laboratory conducted direct shear test using 100 mm X 100 mm samples and returned the following test result. Test no. 1 2 Normal stress (kPa) 100 200 Shear stress at failure (kPa) 77.74 135.47 For the given soil, determine minor principal stress when major principal stress is are 450 kPa.
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