Calculate the settlement of the 15 ft thick clay layer (Figure 1) that will result from the load carried by a 4.5 ft * 4.5 ft square footing. The clay is normally consolidated. Use the weighted average method to calculate the average increase of effective pressure in the clay layer. [Here, X = Last three digits of student Id.] 200 + X * 0.2 kips 4 ft Footing size = 4.5 ft * 4.5 ft Ydry = 110 + X * 0.01 pcf 15 + X * 0.01 ft Dry Sand Ysat = 130 + X* 0.01 pcf 12 + X * 0.01 ft Sand Ysat = 150 + X* 0.01 pcf 15 + X * 0.01 ft Clay eo = 0.9 %3D LL = 45 Figure 1: Q 4 (a)
Calculate the settlement of the 15 ft thick clay layer (Figure 1) that will result from the load carried by a 4.5 ft * 4.5 ft square footing. The clay is normally consolidated. Use the weighted average method to calculate the average increase of effective pressure in the clay layer. [Here, X = Last three digits of student Id.] 200 + X * 0.2 kips 4 ft Footing size = 4.5 ft * 4.5 ft Ydry = 110 + X * 0.01 pcf 15 + X * 0.01 ft Dry Sand Ysat = 130 + X* 0.01 pcf 12 + X * 0.01 ft Sand Ysat = 150 + X* 0.01 pcf 15 + X * 0.01 ft Clay eo = 0.9 %3D LL = 45 Figure 1: Q 4 (a)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
100%
X=30
![a) Calculate the settlement of the 15 ft thick clay layer (Figure 1) that will result from the
load carried by a 4.5 ft * 4.5 ft square footing. The clay is normally consolidated. Use the
weighted average method to calculate the average increase of effective pressure in the clay
layer. [Here, X = Last three digits of student Id.]
200 + X * 0.2 kips
Footing size =
4.5 ft * 4.5 ft
4 ft
Ydry = 110 +
X * 0.01 pcf
15 + X * 0.01 ft
Dry Sand
Ysat = 130 +
X * 0.01 pcf
12 + X * 0.01 ft
%3D
Sand
Ysat = 150 +
X* 0.01 pcf
15 + X * 0.01 ft
Clay
eo = 0.9
LL = 45
Figure 1: Q 4 (a)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6ed10701-11d4-4f91-a002-bcccc493de78%2F279a1fbf-00de-4133-8555-95e5e3fb991e%2F7kowidmd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:a) Calculate the settlement of the 15 ft thick clay layer (Figure 1) that will result from the
load carried by a 4.5 ft * 4.5 ft square footing. The clay is normally consolidated. Use the
weighted average method to calculate the average increase of effective pressure in the clay
layer. [Here, X = Last three digits of student Id.]
200 + X * 0.2 kips
Footing size =
4.5 ft * 4.5 ft
4 ft
Ydry = 110 +
X * 0.01 pcf
15 + X * 0.01 ft
Dry Sand
Ysat = 130 +
X * 0.01 pcf
12 + X * 0.01 ft
%3D
Sand
Ysat = 150 +
X* 0.01 pcf
15 + X * 0.01 ft
Clay
eo = 0.9
LL = 45
Figure 1: Q 4 (a)
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