A 0.9-m³ soil specimen weighs 17 kN and has a moisture content of 9%. The specific gravity of the soil solids is 2.6. Using the fundamental equations from the physical parameters of soils (soil as a three-phase material) calculate the following properties of the soil: Bulk unit weight Dry unit weight Void ratio (i) (ii) (iii) (iv) Porosity

A 0.9-m³ soil specimen weighs 17 kN and has a moisture content of 9%. The specific gravity of the soil solids is 2.6. Using the fundamental equations from the physical parameters of soils (soil as a three-phase material) calculate the following properties of the soil: Bulk unit weight Dry unit weight Void ratio (i) (ii) (iii) (iv) Porosity

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter3: Weight-volume Relationships And Plasticity

Section: Chapter Questions

Problem 3.5P

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A 0.9-m3soil specimen weighs 17 kN and has a moisture content of 9%. The specificgravity of the soil solids is 2.7. Using the fundamental equations from the physicalparameters of soils (soil as a three-phase material) calculate the following propertiesof the soil(i) Bulk unit weight(ii) Dry unit weight(iii) Void ratio(iv) Porosity
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What amount of water in (gr) do we have to add to a soil sample to increase its volume to 25 cm3? We know the following information about this soil: - Soil’s specific gravity is 2.5. - Void ratio (e) is 0.5. - Moisture content is 20%. - The water density is 1 gr/cm3. Hint 1: First calculate the saturation value. Hint 2: When soil is fully saturated, if we add V1 amount of water (m3), the volume of soil will increase directly by V1 (m3). Hint 3: Use the following equation to find the answer: Question 17Answer a. 50 b. We do NOT have enough information c. 12.5