Problem Set 42. The following data were obtained from the liquid and plastic limit tests for a soil:Liquid Limit Test:Moisture content, w%32.3531.5531.3533.6233.00Number of blows, N2229321619.00Plastic Limit Test: Moisture content = 20.62%a) Draw the flow curve from the liquid limit test data and find the liquid limit.(use excel to graph)b) What is the plasticity index of the soil?

Answered: Image /qna-images/answer/9cda53b2-8dde-49a0-97c7-9c235fd74a6d.jpg

Answered: 2. The following data were obtained…

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter9: In Situ Stresses

Section: Chapter Questions

Problem 9.11P

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The 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?
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%.
41 The data from a falling head test is shown. Diameter of standpipe: 4 cm. Initial Head: 92.9 cm. Duration of test: 12 min. Length of soil sample: 33.27 cm. Diameter of permeameter: 43 cm. If the soil permeability is 0.0028 cm/min, determine the final head (in cm.) of the permeability test. Round off to two decimal places.
Given are the results from the liquid limit and plastic limit test for a soil sample. - Plastic Limit: PL = 18,7% Liquid Limit Test Number of Blows, N Moisture Content (%) 15 42 20 40.8 28 39.1 a) Draw the flow curve (to scale) and obtain the liquid limit of the soil sample. (5) b) Determine the plasticity index (PI) of the soil sample
Question 30 The data from a falling head test is shown. Diameter of standpipe: 6 cm. Initial Head: 90.4 cm. Duration of test: 18 min. Length of soil sample: 30.35 cm. Diameter of permeameter: 44 cm. If the soil permeability is 0.0038 cm/min, determine the final head (in cm.) of the permeability test. Round off to two decimal places.
For a falling head laboratory test, the following are the given values:• Length of soil specimen = 210.00 mm• Initial head = 523.00 mm• Final head = 297.00 mm• Duration of test = 3.50 mins• Area of standpipe = 42.0 sq.mm• Area of specimen = 1050.00 sq.mmA. Compute for the hydraulic conductivity of the soil in cm/sec.B. Determine the seepage velocity if n=0.35C. Determine the head difference at t = 120 sec
Sketch the figure and determine coefficient of permeability (k) in mm/min using constant head permeability, given the following data, Water flows horizontally The height of the reservoir supply source is 2 m above the elevation of the outlet. The soil sample length in the direction of water flow is 200 mm. The cross-sectional area of the soil sample is 1,950 mm2. The measured volume of flow for the steadystate condition is 500 ml in a 10-minute time period.
The section size of a water pipe is (100cm Χ 100cm), three types of soils A, B, and C are placed in the pipe, and a fixed amount of water is injected into the top left tap to keep the water head difference between the left and right ends of the pipe 60cm. The three soil permeability coefficients are k_A = 0.05 cm/sec , K_B = 0.1 cm/sec, k_C = 0.001 cm/sec, please calculate the following values:(1) The fixed amount of water injected into the faucet on the upper left (cm3/hr)(2) What is the total water head consumed by each of the three soils of A, B, and C (cm)(3) The overall volumetric seepage force of water flowing through the three soils (kN/m3)
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%
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The moist unit weights and degrees of saturation of a soil are given in the table. y (kN/m3) S(%) 16.62 50 17.71 75 Determine: a. e b. Gs Show handwritten solutions.
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