11.21 a. 18.63 kN/m²b. 184 mmc. 25%d. 0.075 m²/yeare. 104 mm 75% consolidation in a laboratory test?11.21 Refer to Figure 11.48. A square foundation, 2.5 × 2.5 m in size, supports a col-umn load of 478 kN. The soil characteristics are given in the figure. Field moni-toring indicated that the foundation settlement was 46 mm at the end of 2 yearsa. Estimate the average stress increase in the clay layer due to the applied load.b. Estimate the primary consolidation settlement.c. What is the degree of consolidation after 2 years?d. Estimate the coefficient of consolidation for the pressure range.e. Estimate the settlement in 3 years.478 kN2.5 m x 2.5 m1.5 mY = 16 kN/mGWT1.75 mYu = 18.8 kN/m³w = 19%G, = 2.71LL = 373.5 mo = 65 kN/m?C,= 1/SC.%3DO Sand A ClayFigure 11.48

Answered: Image /qna-images/answer/b1db9112-51a2-4ddc-8c8b-746e99b45fc5.jpg

Answered: b. 184 mm c. 25% d. 0.075 m²/yea

Engineering

Civil Engineering

b. 184 mm c. 25% d. 0.075 m²/yea

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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Question

11.21 a. 18.63 kN/m²
b. 184 mm
c. 25%
d. 0.075 m²/year
e. 104 mm

75% consolidation in a laboratory test?
11.21 Refer to Figure 11.48. A square foundation, 2.5 × 2.5 m in size, supports a col-
umn load of 478 kN. The soil characteristics are given in the figure. Field moni-
toring indicated that the foundation settlement was 46 mm at the end of 2 years
a. Estimate the average stress increase in the clay layer due to the applied load.
b. Estimate the primary consolidation settlement.
c. What is the degree of consolidation after 2 years?
d. Estimate the coefficient of consolidation for the pressure range.
e. Estimate the settlement in 3 years.
478 kN
2.5 m x 2.5 m
1.5 m
Y = 16 kN/m
GWT
1.75 m
Yu = 18.8 kN/m³
w = 19%
G, = 2.71
LL = 37
3.5 m
o = 65 kN/m?
C,= 1/SC.
%3D
O Sand A Clay
Figure 11.48

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