A normally consolidated clay has the following values.Void ratio, ek (cm/sec)1.50.2 x 10-60.91 x 10-6Estimate the magnitude k of the clay at a void ratio (e) of 0.9. Use1.9enk = C,1+e(Enter your answer to three significant figures.)kcm/sec

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Answered: A normally consolidated clay has the…

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter2: Geotechnical Properties Of Soil

Section: Chapter Questions

Problem 2.16P: For a normally consolidated soil, the following is given: Determine the following: a. The...

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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 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
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. a. 260 b. 270 c. 280 d. 250
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 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)
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.)
Q#3: For a normally consolidated clay layer in the field, the following values are given. Thickness of clay layer = 2.6 m Compression index = 0.28 Average effective pressure on clay layer 127 KN/m² Secondary compression index = 0.02 Δσ’ = 46.5 KN/m² Void ratio = 0.8 Time of Primary settlement = 1.5 years What is the total consolidation of the clay layer five years after the 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?
For a normally consolidated insensitive clay angle of friction_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 angle of friction_CU for this soil. a. 10 b. 12 c. 14 d. 18
Total predicted settlement due to consolidation of a low clay layer a certain pressure is 150mm. If 45mm of settlement has occurred in 9 months, What is the expected settlement in 18 months?
Estimate the vertical coefficient of permeability for a uniform clay deposit where representative test results are as shown: LL = 92, PL = 34 percent of clay size particles in the soil =40 void ratio ( approximate ) = 1.75
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.

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A normally consolidated clay has the following values. Void ratio, e k (cm/sec) 1.5 0.2 × 10–6 0.91 × 10–6 Estimate the magnitude k of the clay at a void ratio (e) of 0.9. Use 1.9 en k = C - 1+e (Enter your answer to three significant figures.) k cm/sec