Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 4, Problem 4.5P
The following data were obtained by conducting liquid limit and plastic limit tests on a soil collected from the site.
Liquid limit tests:
Plastic limit test: PL = 19.3%
a. Draw the flow curve and determine the liquid limit.
b. Using the Casagrande plasticity chart (Figure 4.21), determine the soil type.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Following are the results from the liquid and plastic limit tests for a soil. Liquid limit test:
Plastic limit test: PL = 18.7%a. Draw the flow curve and obtain the liquid limit.b. What is the plasticity index of the soil?
c. Determine the liquidity index of the soil when the in situmoisture content is 26%
Results from liquid and plastic limit tests conducted on a soil are given below.Liquid limit tests:
Plastic limit tests: PL = 19.1%a. Draw the flow curve and obtain the liquid limit.b. What is the plasticity index of the soil?
c.Determine the liquidity index of the soil if Winsitu = 21%.
The following results were recorded during a Falling head permeability test:
Sample diameter = 120 mm
Sample length = 140 mm
Initial head = 510 mm
Final head = 310 mm
Standpipe diameter = 6 mm
Duration of flow = 3.4 mins
Determine the coefficient of permeability for the soil in m/s.
Based on the coefficient of permeability estimate the soil type
Chapter 4 Solutions
Principles of Geotechnical Engineering (MindTap Course List)
Ch. 4 - During Atterberg limit tests in the soil mechanics...Ch. 4 - Prob. 4.2PCh. 4 - Prob. 4.3PCh. 4 - Results from a liquid limit test conducted on a...Ch. 4 - The following data were obtained by conducting...Ch. 4 - Refer to the soil in Problem 4.5. Using the...Ch. 4 - Following results are obtained for a liquid limit...Ch. 4 - Prob. 4.8PCh. 4 - Prob. 4.9PCh. 4 - Prob. 4.10P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- Results from a liquid limit test conducted on a soil are given below. a. Determine the liquid limit of the soil. b. If it is known that the PI = 6.5, what would be the plastic limit of the soil? c. Determine the liquidity index of the soil if win situ = 23.8%arrow_forwardProblem # 1. A constant head permeability test is performed on a sample of granular soil. The length of the soil sample is 15 cm and the cross-sectional area is 10 cm^2. If a 24 cm^3 volume of water passes through the oil sample in a 3-minute period and the constant head is 30 cm determine the followinga. Determine the coefficient of permeability of the soil.b. Find the discharge velocity.c. Compute the seepage velocity if the void ratio is 0.64.arrow_forwardThe following are the results from the liquid limit tests for a soil: Number of Blows, N Moisture Content, % 16 38.3 21 33.4 34 29.1 a) Draw the flow curve and obtain the liquid limit. b) If the Plastic Limit is determined to be 8%, what is the Plasticity Index of the soil? c) What is the Liquidity Index of the soil if the in situ w = 35%? What does this specific result tell us about this soil?arrow_forward
- A soil sample has a unit weight of 1.9 g/cc and w=12%. If Gs of solids is 2.65, determine the degree of saturation in percent.arrow_forwardA soil sample has a unit weight of 1.9 g/cc and w=12%. If Gs of solids is 2.65, determine the degree of saturation and porosity in percent.arrow_forwardFrom the constant head permeability test arrangement shown, the following values are given: Void ratio of specimen = 0.46 Length of Soil Sample = 450mm Constant head difference = 700mm Water collected in a period of 3 min = 0.000354 m3 Cross-sectional Area of Soil Sample = 0.00226 m2 Determine the coefficient permeability in m/hour (Ans: 2.102 m/hr) Compute the discharge of velocity in m/min. (Ans: 0.052 m/min) Compute the seepage velocity in m/min. (Ans: 0.165 m/min)arrow_forward
- In a constant head permeability test, a soil sample is compacted into a round PVC pipe and placed into a tank as shown. After sufficient time is allowed for saturation of the soil, the test is conducted under standard temperature pressure conditions for 4 hours. A total of 227 g of water is decanted into a measuring vessel during the test. What is the coefficient of permeability of the soil?arrow_forwardA soil sample collect near the stadium has a volume of 0.05 m3 and a mass of 87.5 kg. Assume the water content is 15% and the specific gravity of solids (Gs) is 2.68. Draw a block diagram showing all the necessary mass and volume terms. Use the mass and volume values computed above to compute: Void ratio Porosity Dry unit weight in units of kN/m3 Moist unit weight (unit weight of the sample) in units of kN/m3 Degree of saturationarrow_forwardA soil sample has a unit weight of 1.9 g/cc and w=12%. If Gs of solids is 2.65, determine the volume of solids in cm3.arrow_forward
- 1) a) Derive the formula for falling head permeameter ( state all assumptions). for what type of soil will you recommend the test? b) what is the difference between pump test and laboratory test for permeability measurement. 2 a) What are the parameters that control compaction of soil. b) what is the difference between lab compaction and field compaction.arrow_forwardAtleast 3 laboratory apparatus for each of the following laboratory tests. 1. Determination of moisture content of soil 2. Determination of specific gravity of soil 3. Determination of liquid limit of soil 4. Grain size analysis of soil 5. Determination of plastic limit 6. Determination of shrinkage limit 7. Modified/Proctor compaction test 8. Constant permeability test 9. Falling head permeability testarrow_forwardA permeability test is conducted with a sample of soil that is 60mm in diameter and 120mm in long. The head is kept constant at 225 mm. The flow is 1.5 mL in 6.5 min. What is the coefficient of permeability? (express result in m/yr).arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Geotechnical Engineering (MindTap C...Civil EngineeringISBN:9781305970939Author:Braja M. Das, Khaled SobhanPublisher:Cengage Learning
Fundamentals of Geotechnical Engineering (MindTap...Civil EngineeringISBN:9781305635180Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Principles of Foundation Engineering (MindTap Cou...Civil EngineeringISBN:9781305081550Author:Braja M. DasPublisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...
Civil Engineering
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Cengage Learning
Fundamentals of Geotechnical Engineering (MindTap...
Civil Engineering
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Principles of Foundation Engineering (MindTap Cou...
Civil Engineering
ISBN:9781305081550
Author:Braja M. Das
Publisher:Cengage Learning
How Are Highways Designed?; Author: Practical Engineering;https://www.youtube.com/watch?v=9XIjqdk69O4;License: Standard Youtube License