Atterberg's Ilimits Problem 4.3 Results from liquid and plastic limit tests conducted on a soil are given below. Liquid limit tests: Number of Moisture blows, N content (%) 13 33 18 27 29 22 Plastic limit tests: Weight of Can 20 g Weight of Can + Moist soil = 56.2 g Weigh of Can + Dry soil 48.4 g a. Draw the flow curve and obtain the liquid limit. b. Calculate Plastic Limit b. What is the plasticity index of the soil?

Atterberg's Ilimits Problem 4.3 Results from liquid and plastic limit tests conducted on a soil are given below. Liquid limit tests: Number of Moisture blows, N content (%) 13 33 18 27 29 22 Plastic limit tests: Weight of Can 20 g Weight of Can + Moist soil = 56.2 g Weigh of Can + Dry soil 48.4 g a. Draw the flow curve and obtain the liquid limit. b. Calculate Plastic Limit b. What is the plasticity index of the soil?

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter7: Permeability

Section: Chapter Questions

Problem 7.17P

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1. During Atterberg limit tests in the soil mechanics laboratory, the students obtained the following results from a clayey soil. Liquid limit tests: Number of Moisture blows, N content (%) 14 38.4 16 36.5 20 33.1 28 270 Plastic limit tests: Students conducted two trials and found that PL = 172% for the first trial and PL = 17.8% for the second trial. a. Draw the flow curve and obtain the liquid limit. b. What is the plasticity index of the soil? Use an average value of PL from the two plastic limit trails.
Problem 1: During Atterberg limit tests in the soil mechanics laboratory, the students obtained the following results from a clayey soil. Liquid limit tests: Number of Moisture blows, N content (%) 14 38.4 16 36.5 20 33.1 28 27.0 Plastic limit tests: Students conducted two trials and found that PL= 17.2% for the 1st trial and PL = 17.8% for the second trial. Draw the flow curve and obtain the liquid limit. What is the plasticity index of the soil? (Hint: Use an average value of PL) Determine the flow index. Determine the liquidity index of the soil if the in-situ moisture content is 21%, and comment on the probable engineering behavior of this soil.
Homework Chapter 3 31 Results from liquid and plastic limit tests conducted on soil are given below. No. of blows, N Moisture content (%) 14 38.4 16 36.5 20 33.1 28 27.0 If the plastic limit is PL = 13.4% a. Draw the flow curve and obtain the liquid limit. b. What is the plasticity index of the soil? Ans.: L.L = 29%, P.L = 15.6 3.2 Determine the liquidity index of the soil in Problem (1) if wWin situ = 32%. Ans.: L.I = 1.19% 3.3 Results from liquid and plastic limit tests conducted on soil are given below. No. of blows, N Moisture content (%) 13 18 27 22 If the plastic limit is PL = 19.1% a. Draw the flow curve and obtain the liquid limit. b. What is the plasticity index of the soil? Ans.: L.L = 23.6%, P.L = 4.5% 3.4 Determine the liquidity index of the soil in Problem (3) if win situ = 21% Ans.: L.I = 0.422% 3.5 A saturated soil used to determine the shrinkage limit has initial volume Vi = 20.2 cm3, final volume Vf = 14.3 cm3, the mass of wet soil M1 = 34 g, and mass of dry soil M2 =…
76 .ll Q3.png The data from standard and modified proctor test on a soil sample (density of solids: 2680 kg/m3 ) are provided below: Standard proctor test Modified proctor test Dry density (kg/m) 1691 Dry density (kg/m') 1873 Water content (%) Water content (%) 9.3 9.3 1715 11,8 1910 12.8 1755 14.3 1803 15.5 1747 17.6 1699 18.7 1685 20.8 1641 21.1 1619 23 a) Plot the compaction curves (both standard and modified in one graph). b) Establish the maximum dry density and optimum water content for each test.
The following readings were obtained from an oedometer test on a specimen of saturated clay, see Table 1. The load being held constant for 24 hour before the addition of the next increment. Applied stress 25 50 100 200 400 800 (kN/m2) Thickness 19.60 19.25 18.98 18.61 18.14 17.68 17.24 (mm) Table 1 At the end of the last load period the load was removed and the sample allowed to expand for 24 hour, at the end of which time its thickness was 17.92 mm and its water content found to be 31.8%. The specific gravity of the soil was 2.66. i. Plot the e/o' curve and determine the coefficient of volume compressibility (m,) for an effective stress range of 220-360 kN/m? ii. Plot the e/log ơ' curve and from it determine the compressibility index (Cc) and the pre-consolidation pressure (Oʻpe) ii. Use the data obtained in (i), (ii) and (ii) to obtain and Plot a mlo' curve for the soil iv. compare the values for consolidation settlement for 4 m thick layer of the clay when the average effective…
Please solve fastly You are an oil and gas exploration reservoir engineer and your manger asked you to calculate the porosity for the following reservoir. Seismic data have been used to delineate reservoir structure (The length of this reservoir is about 200 meter, thickness is 1 meter and width is 0.8 km). A- Calculate the bulk volume of the reservoir in m3 . Make sure all the unit is consistent with each other. B- Assume that the pore spaces of the sediment in the oil-bearing unit are full of oil 32000m3. Calculate the porosity of the reservoir. C- Based on the porosity value. Is this negligible, poor, fair , or very good reservoir ( try to find table for reservoir classification based on porosity value)
Sample 2: Mass with empty mold M1 Mass of soil and mold M2 Hydraulic Head h Time interval t Volume V 145 g 250 g 950 mm 0.34 min 0.0046 L 145 g 260 g 900 mm 0.33 min 0.0049 L 145 g 228 g 922 mm 0.30 min 0.0051 L 145 g 281 g 915 mm 0.29 min 0.0044 L 145 g 219 g 908 mm 0.39 min 0.0042 L The diameter of the mold = 2.5 cm, Length of the sample = 0.3 m can u pls Find the permeability coefficient Mass of the soil Bulk Density Dry Density thank you Void Ratio
Q1/ specimen of the fine-grained soil, 75 mm in diameter and 20 mm thick was tested in an oedometer in a laboratory. At applying pressure (240 kN/m²), the time with dial gauge readings are: Time (min) 0 Settlement (mm) 0 0.25 1 0.22 0.42 4 9 0.6 0.71 16 0.79 36 64 100 0.86 0.91 1.04 d 1- Find Coefficient of consolidation in cm²/s using root time and TV90% = 0.848. Scanned by TapScanner
4. A series of tests are run on a HMAC Sample. The following data is given to you:% AC (Pb) = 10 %Gb = 1.040Gsb = 2.51Gmm = 2.696Mass of compacted HMAC sample = 840 grMass of compacted HMAC sample submerged in water = 512 grMass of compacted HMAC sample, SSD condition = 847 gra. Based on the above information what is the Gmb? b. Based on the above information what is the of VTM? c. Based on the above information what is the of VMA? d. Based on the above information what is the of VFA?
Results from liquid and plastic limit tests conducted on a soil are given below. Liquid limit tests: Number of blows, N Moisture content (%) 14 38.4 16 36.5 20 33.1 28 27.0 Plastic limit tests: PL = 13.4% a. Draw the flow curve and obtain the liquid limit. b. What is the plasticity index of the soil? © Cengage Learning 2014
For the two systems shown below (not to scale), the following are given. • Ah is the same for both systems. • The length of k₂ soil is twice the length of k₁ soil. • The cross-sectional areas of the soil samples are the same. • k₂= 2k₁ (Permeabilities) • q₁ = 100 cm³/hour Find q2 9₁ Ah 921 k k₂
A liquid limit test on a clay was performed with the following results. The natural water content of the clay is 38% and plastic limit is 21%. Number of Blows 6 12 20 28 32 Water content (%) 52.5 47.1 42.3 38.6 37.5 What is the liquidity index of this clay? (Use Interpolation) Group of answer choices 0.895 0.96 1.08 0.90 Please answer this asap. For upvote. Thanks