Following is the variation of the field standard penetration number (N60) in a sand deposit: Depth (m) N60 1.5 6 3 8 4.5 9 6 8 7.5 13 14 9 The groundwater table is located at a depth of 6 m. Given: the dry unit weight of sand from 0 to a depth of 6 m is 16 kN/m³, and the saturated unit weight of sand for depth 6 to 12 m is 22.2 kN/m³. Estimate an average peak soil friction angle. Use the equation 0.5 1 CN = (σo/Pa) (Enter your answer to three significant figures.) = о
Following is the variation of the field standard penetration number (N60) in a sand deposit: Depth (m) N60 1.5 6 3 8 4.5 9 6 8 7.5 13 14 9 The groundwater table is located at a depth of 6 m. Given: the dry unit weight of sand from 0 to a depth of 6 m is 16 kN/m³, and the saturated unit weight of sand for depth 6 to 12 m is 22.2 kN/m³. Estimate an average peak soil friction angle. Use the equation 0.5 1 CN = (σo/Pa) (Enter your answer to three significant figures.) = о
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Following is the variation of the field standard penetration number in a sand deposit:
The groundwater table is located at a depth of 6 . Given: the dry unit weight of sand from 0 to a depth of 6 is 16 , and the saturated unit weight of sand for depth 6 to 12 is 22.2 . Estimate an average peak soil friction angle. Use the equation
(Enter your answer to three significant figures.)
Transcribed Image Text:Following is the variation of the field standard penetration number (N60) in a sand deposit:
Depth (m)
N60
1.5
6
3
8
4.5
9
6
8
7.5
13
14
9
The groundwater table is located at a depth of 6 m. Given: the dry unit weight of sand from 0 to a depth of 6 m is 16 kN/m³, and the saturated unit weight of sand for depth 6 to 12 m is 22.2 kN/m³. Estimate an average peak soil friction angle. Use the
equation
0.5
1
CN =
(σo/Pa)
(Enter your answer to three significant figures.)
=
о
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