2. Change the footing dimension in the question below to a strip footing with width of 6 ft. and find the settlement using Schmertmann's modified method to calculate the required settlement. Example 8-2: A 6 ft x 24 ft footing is founded at a depth of 3 ft below ground elevation with the soil profile and average N160 values shown. Determine the settlement in inches (a) at the end of construction and (b) 1 year after construction. There is no groundwater. The footing is subjected to an applied stress of 2,000 psf. Ground Surface Clayey Silt 3 ft Y = 115 pcf; N160=8 Sandy Silt B = 6 ft 3 ft Y = 125 pcf; N160= 25 Coarse Sand 5 ft Yt = 120 pcf; N160= 30 Sandy Gravel 25 ft Yt= 128 pcf; N160= 68
2. Change the footing dimension in the question below to a strip footing with width of 6 ft. and find the settlement using Schmertmann's modified method to calculate the required settlement. Example 8-2: A 6 ft x 24 ft footing is founded at a depth of 3 ft below ground elevation with the soil profile and average N160 values shown. Determine the settlement in inches (a) at the end of construction and (b) 1 year after construction. There is no groundwater. The footing is subjected to an applied stress of 2,000 psf. Ground Surface Clayey Silt 3 ft Y = 115 pcf; N160=8 Sandy Silt B = 6 ft 3 ft Y = 125 pcf; N160= 25 Coarse Sand 5 ft Yt = 120 pcf; N160= 30 Sandy Gravel 25 ft Yt= 128 pcf; N160= 68
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:2. Change the footing dimension in the question below to a strip
footing with width of 6 ft. and find the settlement using
Schmertmann's modified method to calculate the required
settlement.
Example 8-2: A 6 ft x 24 ft footing is founded at a depth of 3 ft below ground elevation with
the soil profile and average N160 values shown. Determine the settlement in
inches (a) at the end of construction and (b) 1 year after construction. There is
no groundwater. The footing is subjected to an applied stress of 2,000 psf.
Ground Surface
Clayey Silt
3 ft
Y = 115 pcf; N160= 8
Sandy Silt
B = 6 ft
3 ft
Y = 125 pcf; N160= 25
Coarse Sand
5 ft
Yt = 120 pcf; N160= 30
Sandy Gravel
25 ft Yt = 128 pcf; N160= 68
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