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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.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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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.: B-2 Date: January 4, 2019 Surface Elev.: 357 ft Depth |(ft) Moisture N No. Description 4 inches of top soil (%) (tsf) Comments y = 120 pcf 5 Reddish Brown silty Clay 14 20 1.2 LL = 43 PI = 20 $ = 7° 10 Dark Reddish Brown silty Clay 15 22 1.3 15 15 21 1.6 GNE Boring Teminated at 15 feet N- Standard Penetration Test Number LL – Liquid Limit qu – Unconfined Compression Strength $ - Angle of Internal Friction Boring Checked after 24 hours PI – Plastic Index GNE – Groundwater Not Encountered
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.: B-2 Date: January 4, 2019 Surface Elev.: 357 ft Depth |(ft) Moisture N No. Description 4 inches of top soil (%) (tsf) Comments y = 120 pcf 5 Reddish Brown silty Clay 14 20 1.2 LL = 43 PI = 20 $ = 7° 10 Dark Reddish Brown silty Clay 15 22 1.3 15 15 21 1.6 GNE Boring Teminated at 15 feet N- Standard Penetration Test Number LL – Liquid Limit qu – Unconfined Compression Strength $ - Angle of Internal Friction Boring Checked after 24 hours PI – Plastic Index GNE – Groundwater Not Encountered
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