Following is the variation of the field standard penetration number (N60) in a sand deposit: Depth (m) N60 1.5 6 3 7 4.5 9 6 7 7.5 9 10 12 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 18 kN/m³, and the saturated unit weight of sand for depth 6 to 12 m is 20.2 kN/m³. Using the equation Dr = { N60 [17+24(o/Pa)] 0.5 determine the average relative density of sand. (Enter your answer to three significant figures.) Average D, = %
Following is the variation of the field standard penetration number (N60) in a sand deposit: Depth (m) N60 1.5 6 3 7 4.5 9 6 7 7.5 9 10 12 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 18 kN/m³, and the saturated unit weight of sand for depth 6 to 12 m is 20.2 kN/m³. Using the equation Dr = { N60 [17+24(o/Pa)] 0.5 determine the average relative density of sand. (Enter your answer to three significant figures.) Average D, = %
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 18 , and the saturated unit weight of sand for depth 6 to 12 is 20.2 . Using the equation
determine the average relative density of sand.
(Enter your answer to three significant figures.)
Average =
![Following is the variation of the field standard penetration number (N60) in a sand deposit:
Depth (m)
N60
1.5
6
3
7
4.5
9
6
7
7.5
9
10
12
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 18 kN/m³, and the saturated unit weight of sand for depth 6 to 12 m is 20.2 kN/m³. Using the equation
Dr
=
{
N60
[17+24(o/Pa)]
0.5
determine the average relative density of sand.
(Enter your answer to three significant figures.)
Average D,
=
%](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F98ba27a3-ab69-49b1-ad1c-2aa6f8226754%2F1eb9e800-0ffe-41bb-a76c-215d71b1c495%2Fxpmxow_processed.png&w=3840&q=75)
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
7
4.5
9
6
7
7.5
9
10
12
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 18 kN/m³, and the saturated unit weight of sand for depth 6 to 12 m is 20.2 kN/m³. Using the equation
Dr
=
{
N60
[17+24(o/Pa)]
0.5
determine the average relative density of sand.
(Enter your answer to three significant figures.)
Average D,
=
%
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