1) A clay has the following Atterberg limits: Liquid Limit (LL) = 60 Plastic Limit (PL)...
1) A clay has the following Atterberg limits: Liquid Limit (LL) = 60 Plastic Limit (PL) = 40 Shrinkage Limit (SL) = 25 The clay shrinks from 15 cm3 to 9.57 cm3 when the moisture content is decreased from the LL to the SL in the Atterberg tests. What is the clay’s specific gravity (dry)?
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1) A clay has the following Atterberg limits: Liquid Limit (LL)
= 60 Plastic Limit (PL)...
Which best describes the Plastic Limit (PL) in the Atterberg Limits? Moisture content where soil changes...
Which best describes the Plastic Limit (PL) in the Atterberg Limits? Moisture content where soil changes from plastic to brittle Moisture content where a semi-solid soil stops shrinking and becomes solid Moisture content where soil first has shear strength Moisture content coinciding with the plasticity index
15. Which of the following is an Atterberg limit? Liquid limit Plastic limit Shrinkage limit All...
15. Which of the following is an Atterberg limit? Liquid limit Plastic limit Shrinkage limit All of the above 16. Effective size of soil particles is denoted by (a) D10. (b) D20. (c) D30. (d) D60. 17. A given volume of soil in natural occurrence consists of (a) solid particles only. (b) void spaces occupied by air and/or water. (c) solid particles and void spaces. (d) solid particles and void spaces occupied by air and/or water 18. Which of the...
The following data were obtained from the Atterberg Limits test for a soil: Liquid Limit =...
The following data were obtained from the Atterberg Limits test for a soil: Liquid Limit = 41.0% Plastic Limit = 21.1% a. What is the plasticity index of the soil? b. If the in situ moisture content of the soil is 30%, what is the liquidity index of the soil?
LL=liquid limit , PL=plastic limit 2- What are the possible sources of errors in performing the...
LL=liquid limit , PL=plastic limit
2- What are the possible sources of errors in performing the LL and PL tests?
QUESTION 3 A saturated, normally consolidated clay has a water content of 30, a liquid limit of 40, and a plastic limit...
QUESTION 3 A saturated, normally consolidated clay has a water content of 30, a liquid limit of 40, and a plastic limit of 20. The specific gravity of solids in the clay is 2.70. After demolition of an existing building, the effective vertical stress in the clay reduced to half of the prior stress. Most nearly, how much will the void ratio of this clay increase after unloading?
Remaining Time A saturated, normally consolidated clay has a water content of 30 percent, a liquid...
Remaining Time A saturated, normally consolidated clay has a water content of 30 percent, a liquid limit of 40 percent, and a plastic limit of 20 percent. The specific gravity of solids is 2.70. A saturated, normally consolidated clay has a water content of 30%, a liquid limit of 40, and a plastic limit of 20. The specific gravity of solids is 2.70. What is most nearly the compression index for this soil? O (A) 0.0030 (B) 0.27 O (C)...
Problem 2 (25 points) The sieve analysis of three soils and the liquid and plastic limits...
Problem 2 (25 points) The sieve analysis of three soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Soil C c Sieve analysis - Percent finer No.4 No. 10 No. 40 No. 200 70 65 55 36 7162 4 8 11 Atterberg tests Liquid limit Plastic limit C 33 21 32 16 2 4.8 2.9 (a) Classify Soil 1 by the USCS with the group name. (b) Classify Soil 2...
and Atterberg's limits (LL and PL.) for five soils are shewm atod answer the following questions Use uniñled s poit beow Assame all pods are inorganic RINES SAND Find MediumCoarse P #200 100 10 1...
and Atterberg's limits (LL and PL.) for five soils are shewm atod answer the following questions Use uniñled s poit beow Assame all pods are inorganic RINES SAND Find MediumCoarse P #200 100 10 10 0 0.001 0.1 0.01 Particle size (mm) Soil Liquid Plastic Limit Limit 80 50 30 NP 40 NP (a) Sand content of soil D: (b) Gravel content of soil E: (c) Fines content for soil B (d) Dso for soil C e) USCS classification of...
Soils Mechanics Assignment 3 1. In a liquid limit test on a fine-grained soil, using the...
Soils Mechanics
Assignment 3 1. In a liquid limit test on a fine-grained soil, using the Casagrande apparatus, the following results were recorded: Test # 2 Number of blows 40 30 23 Container number c19 c10 c20 Wet soil + container 93.49 92.5 92.3 87.5 Dry soil + container 90.76 90.53 89.36 85.95 Container mass 84.16 86.1 83.12 82.79 dry soil moisture loss Moisture content, w% If the plastic limit on the same soil was found to be 25% determine...
The following table shows the lab results of a grain size analysis and Atterberg limits for...
The following table shows the lab results of a grain size analysis and Atterberg limits for an inorganic soil sample (initial total mass=1029) Assume you measured a liquid limit of 40% and plastic limit of 30% for the sample. Sieve Size/No. Equivalent Sieve Size (mm) Mass Retaining(s) Mass Passing (9) Percent Passing 3" 75 11 50 0 3 19 4.75 20 2 20 15 10 No. 60 5 4 4 4 0.003 2 2 2" 3/4" No. 4 No. 10...
Which best describes the Plastic Limit (PL) in the Atterberg Limits? Moisture content where soil changes from plastic to brittle Moisture content where a semi-solid soil stops shrinking and becomes solid Moisture content where soil first has shear strength Moisture content coinciding with the plasticity index
15. Which of the following is an Atterberg limit? Liquid limit Plastic limit Shrinkage limit All of the above 16. Effective size of soil particles is denoted by (a) D10. (b) D20. (c) D30. (d) D60. 17. A given volume of soil in natural occurrence consists of (a) solid particles only. (b) void spaces occupied by air and/or water. (c) solid particles and void spaces. (d) solid particles and void spaces occupied by air and/or water 18. Which of the...
LL=liquid limit , PL=plastic limit
2- What are the possible sources of errors in performing the LL and PL tests?
Remaining Time A saturated, normally consolidated clay has a water content of 30 percent, a liquid limit of 40 percent, and a plastic limit of 20 percent. The specific gravity of solids is 2.70. A saturated, normally consolidated clay has a water content of 30%, a liquid limit of 40, and a plastic limit of 20. The specific gravity of solids is 2.70. What is most nearly the compression index for this soil? O (A) 0.0030 (B) 0.27 O (C)...
Problem 2 (25 points) The sieve analysis of three soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Soil C c Sieve analysis - Percent finer No.4 No. 10 No. 40 No. 200 70 65 55 36 7162 4 8 11 Atterberg tests Liquid limit Plastic limit C 33 21 32 16 2 4.8 2.9 (a) Classify Soil 1 by the USCS with the group name. (b) Classify Soil 2...
and Atterberg's limits (LL and PL.) for five soils are shewm atod answer the following questions Use uniñled s poit beow Assame all pods are inorganic RINES SAND Find MediumCoarse P #200 100 10 10 0 0.001 0.1 0.01 Particle size (mm) Soil Liquid Plastic Limit Limit 80 50 30 NP 40 NP (a) Sand content of soil D: (b) Gravel content of soil E: (c) Fines content for soil B (d) Dso for soil C e) USCS classification of...
Soils Mechanics
Assignment 3 1. In a liquid limit test on a fine-grained soil, using the Casagrande apparatus, the following results were recorded: Test # 2 Number of blows 40 30 23 Container number c19 c10 c20 Wet soil + container 93.49 92.5 92.3 87.5 Dry soil + container 90.76 90.53 89.36 85.95 Container mass 84.16 86.1 83.12 82.79 dry soil moisture loss Moisture content, w% If the plastic limit on the same soil was found to be 25% determine...
The following table shows the lab results of a grain size analysis and Atterberg limits for an inorganic soil sample (initial total mass=1029) Assume you measured a liquid limit of 40% and plastic limit of 30% for the sample. Sieve Size/No. Equivalent Sieve Size (mm) Mass Retaining(s) Mass Passing (9) Percent Passing 3" 75 11 50 0 3 19 4.75 20 2 20 15 10 No. 60 5 4 4 4 0.003 2 2 2" 3/4" No. 4 No. 10...
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