2. A normally consolidated clay layer, 3 m thick, has the following properties:Initial void ratio, e 0.8Compression index, Cc = 0.25Average effective pressure, o'o= 125 KpaExpected pre ssure increase, Aơ = 45 KpaSecondary compre ssion index, Ca= 0.02Time of completion of primary settlement = 1.5yearsWhat is the total settlement of the clay layer five ye ars afterthe completion of the primaryse ttle ment?

To find settlement after 5 year

Answered: 2. A normally consolidate d clay layer,…

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter2: Geotechnical Properties Of Soil

Section: Chapter Questions

Problem 2.12P

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A normally consolidated clay layer, 4m thick, has the following properties:Initial void ration, eo = 0.65Compression Index, Cc = 0.20Average effective pressure, σ’o = 100 kPaExpected pressure increase due to loading on ground surface = 30 kPaSecondary compression index, Cα = 0.02Time for completion of primary settlement = 1.5 yearsWhat is the total settlement of the clay layer five years after the completion of primary consolidation settlement?
A normally consolidated clay layer, 3 m thick, has the following properties : Initial void ratio, e0= 0.8 Compression index, Cc = 0.25 Average effective pressure, σ’0 = 125 Kpa Expected pressure increase, Δσ’ = 45 Kpa Secondary compression index, Ca = 0.02 Time of completion of primary settlement = 1.5 years What is the total settlement of the clay layer five years after the completion of the primary settlement?
A normally consolidated clay layer has the following properties: Soil layer thickness: 3.7 m Initial void ratio: 0.63Compression index: 0.29 Average effective pressure: 133 kPa Expected pressure increase: 58.7 kPa Secondary compression index: 0.02 Time for completion of primary settlement: 3 yearsa. Determine the void ratio at the start of the secondary consolidation. b. What is the total settlement of the clay layer 9 years after the start of primary consolidation settlement?
For a normally consolidated insensitive clay ∅_CD = 30°. Deviator stress at failure of the same soil is 250 kN/m2 in CU test. If Skempton’s A-parameter at failure is 0.62, find out the confining pressure during the consolidation state. Show free body diagram a.260 b.250 c.270 d.280
For a normally consolidated clay layer in the field, the following values are given:Thickness of clay layer = 8.5 ftVoid ratio ?? = 0.8Compression index ?? = 0.28Average effective pressure on the clay layer ??′ = 2650 lb ft2 ⁄∆?′ = 970 lb ft2 ⁄Secondary compression index ?? = 0.02What is the total consolidation settlement of the clay layer five years after the completionof primary consolidation settlement? (Note: Time for completion of primary settlement= 1.5 years.)
For a normally consolidated insensitive clay 0_CD= 30°. Deviator stress at failure of the same soil is 250 kN/m2 in CU test. If Skempton's A-parameter at failure is 0.62, find out the confining pressure during the consolidation state. a 280 b. 260 c. 270 d. 250
The clay deposit of thickness 10 cm and void ratio 0.5 undergoes settlement and now its final void ratio is 0.2. The thickness (cm) of the settlement layer.
A normally consolidated clay has the following values void ratio e = 1.2, k(cm/sec) = 0.2 x 10^-6 And void ratio e = 1.9, 0.91x10^-6. Estimate the magnitude k of the clay at a void ratio (e) of 0.9. Use k = C (e^n)/1+e.
For normally consolidated clay layer in the field, the ff. values are given: Thickness of clay layer = 8.5ft, Void Ratio = 0.8; Compression Index = 0.28; Average effective pressure on the clay layer is 2650 lb/ft2; ∆σ = 970 lb/ft2; Secondary Compression index = 0.02. What is the total consolidation settlement of the clay layer five years after the completion of primary consolidation settlement? Time for completion of primary settlement = 1.5 years)
A compressible 6 m thick clay layer has initial void ratio of 1.70. If final void ratio after construction of building is expected to be 1.61, then what is the coefficient of volume compressibility of soil layer? Assume that during settlement, 150 kN/m^2 increment in stress is observed.
A 5.1 m thick clay soil with a current overburden pressure of 89 kPa is going to experience an additional stress of 89 kPa after a new structure is built. If it was determined that the clay is normally consolidated has an initial void ratio of 1.2, a recompression index of 0.07, and a compression index of 0.47. Determine the total amount of settlement that is expected to occur. Provide your answer in meters to 3 decimal places.
For a normally consolidated soil, the following is given: Determine the following: a. The compression index, Cc. b. The void ratio corresponding to pressure of 200 kN/m2

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