5. (, Calculate and plot the consolidation settlement of the clay layer in nine month intervals for the first three years for the assumption that the height of the preloading soil layer is 5 m. The unit weight of the preloading soil is 18 kN/m³ 4m 4m 7m PRELOADING SILTY SAND Y = 19.8 kN/m CLAY (Normally Consolidated) cv = 0.008 m./day C = 0.32 eo= 1.05 ROCK G₂ =2.6 t(mo) S₂ (m) S. (m) 18 27 36 0.064 0,093 0.142
5. (, Calculate and plot the consolidation settlement of the clay layer in nine month intervals for the first three years for the assumption that the height of the preloading soil layer is 5 m. The unit weight of the preloading soil is 18 kN/m³ 4m 4m 7m PRELOADING SILTY SAND Y = 19.8 kN/m CLAY (Normally Consolidated) cv = 0.008 m./day C = 0.32 eo= 1.05 ROCK G₂ =2.6 t(mo) S₂ (m) S. (m) 18 27 36 0.064 0,093 0.142
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Please solve this problem with clear step by step solution and a clear explantion as well as calculations, I really want to understand the theory behind the problem
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Transcribed Image Text:5. Calculate and plot the consolidation settlement of the clay layer in nine month intervals
for the first three years for the assumption that the height of the preloading soil layer is 5 m. The
unit weight of the preloading soil is 18 kN/m³
4 m
4m
7m
PRELOADING
SILTY SAND
Y = 19.8 kN/m
CLAY (Normally Consolidated)
cy= 0.008 m./day
C = 0.32
eo= 1.05
ROCK
G₁ =2.6
t(mo) S₂ (m)
S₂ (m)
18
27
36
0.064
D.093
0.142
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Step 1: The total settlement for the clay layer is obtained using the secondary settlement formula.
VIEWStep 2: The initial void ratio is obtained using Cc formula and effective stress is calculated.
VIEWStep 3: Time factor is used for a basic formula to get the degree of settlement for differnet time interval
VIEWStep 4: Now the settlement is ovtained from the ultimate settlement and time factor
VIEWStep 5: Consolidation settlement curve is obtained for different time interval
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