Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 5, Problem 5.7P
To determine
Find the relative compaction in the field.
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A proctor compaction test was conducted on a soil sample, and the following observations weremade:Water content, percent 7.7 11.5 14.6 17.5 19.7 21.2Mass of wet soil, g 1739 1919 2081 2033 1986 1948
1. determine the wet density in g/cm32. determine the dry density in g/cm33. determine the dry unit weight in kN/m34. construct the compaction curve 5. determine the optimum moisture content in percent 6. determine the maximum dry density in kN/m37. construct the 80% and 100% saturation lines using w% = 8, 12, 16, 20, and 24 8. calculate the saturation for the maximum dry density (ϒdmax in kN/m3) and the optimummoisture content (wopt %)
4. An in-situ soil sample weigh 25 kg of 0.02 cubic meter with a moisture content of 7% and specific gravity of 2.8. Determine the following: Moist Unit Weight, Dry Unit Weight, Moist Density, Dry Density, Void Ratio, Porosity, and the Degree of Saturation. (Calculate the Unit Weight and Density in Metric and English Units).
For a given soil sample, n= 0.43 and G₁ = 2.66. Calculate the dry unit weight and degree of saturation.
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Fundamentals of Geotechnical Engineering (MindTap Course List)
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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
- Refer to the soil in Problem 4.5. Using the Casagrande plasticity chart, graphically estimate the shrinkage limit of the soil as shown in Figure 4.22. 4.5 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.arrow_forwardA field unit determination test for the soil, yielded the following data. Moisture content = 12% and moist unit weight = 106 lb/cu.ft. Determine the relative compaction.arrow_forwardFigure 2 shows the dry density versus water content relationship for a fine-grained soilcompacted using two different levels of energy. Three points are identified on thesecompaction curves and labeled as A, B and C. Describe and compare the soil structure of A and B.arrow_forward
- Determine the moisture content, unit weight, specific gravity of solids, void ratio, and degree of saturation of the given data below from a soil sample.arrow_forward5. A saturated soil sample has a unit weight of 24.5 Kn/m^3 and Gs = 2.70. Find Dry Unit weight, e, n, and w. 6. For a given soil, the following are known: Gs = 2.74, moist unit weight = 20.6 KN/m^3, and moisture content of 16.6%. Determine the following: Dry Unit weight, Void Ratio, Porosity, Degree of Saturation.arrow_forwardIf the soil sample has a specific gravity of 2.71 and a porosity of 0.345, determine the saturated unit weight and the bouyant unit weight.arrow_forward
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