1. Using the boring log shown below determine the ultimate bearing capacity of a rectangular footing having a width of 4 feet and a length of 8 feet. Standard Penetration Tests were conducted at 5 foot intervals. The depth of footing will be 3 feet below the ground surface.
1. Using the boring log shown below determine the ultimate bearing capacity of a rectangular footing having a width of 4 feet and a length of 8 feet. Standard Penetration Tests were conducted at 5 foot intervals. The depth of footing will be 3 feet below the ground surface.
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter8: Stresses In A Soil Mass
Section: Chapter Questions
Problem 8.22P: A flexible circular footing of radius R carries a uniform pressure q. Find the depth (in terms of R)...
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Question
![1. Using the boring log shown below determine the ultimate bearing capacity of a rectangular
footing having a width of 4 feet and a length of 8 feet. Standard Penetration Tests were
conducted at 5 foot intervals. The depth of footing will be 3 feet below the ground surface.
Project Name:
Johnson Hall
Location:
Birmingham, Alabama
Boring No.:
В-2
Date: January 4, 2019
Surface Elev.:
357 ft
Depth
(ft)
Moisture
N No.
qu
(tsf)
Description
4 inches of top soil
(%)
Comments
y = 120 pcf
Reddish Brown silty Clay
14
1.2
LL = 43
PI = 20
$ = 7°
10
Dark Reddish Brown silty Clay
15
22
1.3
15
15
21
1.6
GNE
Boring Terminated at 15 feet
Boring Checked after
24 hours
N - Standard Penetration Test Number
LL – Liquid Limit
qu – Unconfined Compression Strength
$ - Angle of Internal Friction
PI – Plastic Index
GNE – Groundwater
Not Encountered
20](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe26036de-a789-41c6-8275-0b28efa071c7%2F95437a15-08c7-4689-8480-b35fbb0cfed7%2F6asew1h_processed.png&w=3840&q=75)
Transcribed Image Text:1. Using the boring log shown below determine the ultimate bearing capacity of a rectangular
footing having a width of 4 feet and a length of 8 feet. Standard Penetration Tests were
conducted at 5 foot intervals. The depth of footing will be 3 feet below the ground surface.
Project Name:
Johnson Hall
Location:
Birmingham, Alabama
Boring No.:
В-2
Date: January 4, 2019
Surface Elev.:
357 ft
Depth
(ft)
Moisture
N No.
qu
(tsf)
Description
4 inches of top soil
(%)
Comments
y = 120 pcf
Reddish Brown silty Clay
14
1.2
LL = 43
PI = 20
$ = 7°
10
Dark Reddish Brown silty Clay
15
22
1.3
15
15
21
1.6
GNE
Boring Terminated at 15 feet
Boring Checked after
24 hours
N - Standard Penetration Test Number
LL – Liquid Limit
qu – Unconfined Compression Strength
$ - Angle of Internal Friction
PI – Plastic Index
GNE – Groundwater
Not Encountered
20
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