Homework Problem 1: The size of sand specimen in a direct shear test was 5 cm x 5 cm x 3 cm (height). A direct shear test was conducted on it with a normal stress of 150 kPa. Failure occurred at a shear stress of 94 kPa. The void ratio of the sample is 0.80 and Gs = 2.65 a) Determine the angle of internal friction. b) Determine the shear force that caused the failure. c) Compute for the dry unit weight of the sand. d) What is the weight of the sand specimen?
Homework Problem 1: The size of sand specimen in a direct shear test was 5 cm x 5 cm x 3 cm (height). A direct shear test was conducted on it with a normal stress of 150 kPa. Failure occurred at a shear stress of 94 kPa. The void ratio of the sample is 0.80 and Gs = 2.65 a) Determine the angle of internal friction. b) Determine the shear force that caused the failure. c) Compute for the dry unit weight of the sand. d) What is the weight of the sand specimen?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Foundation: Direct Shear Test
Transcribed Image Text:Homework
Problem 1:
The size of sand specimen in a direct shear test was 5 cm x
5 cm x 3 cm (height). A direct shear test was conducted on it
with a normal stress of 150 kPa. Failure occurred at a shear
stress of 94 kPa. The void ratio of the sample is 0.80 and
Gs = 2.65
a) Determine the angle of internal friction.
b) Determine the shear force that caused the failure.
c) Compute for the dry unit weight of the sand.
d) What is the weight of the sand specimen?
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