2. The field unit weight of the soilsample 1s 1960 kg/m³ and theunit weight of the soil particle is2700 kg/ m. If the emax = 0.69 andemin =0.44,determinethefollowing:a) Specific gravityb) Dry unit weight if watercontent is 15%c) Porosityd) Relative densitye) Saturated unit weightf) Effective unit weightg) Weight of water in KN thatmust be added per m3 for a90%-degree saturationh) Mass of water in kg to beadded per 2.5m³ to reach fullsaturationi) If max dry unit weight is18KN/m³,whatisthepercentagecompaction?j) Is it within the allowablecompaction range of 95ofrelative±0.2?

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Answered: 2. The field unit weight of the soil…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The total weight of soil sample is 56.7lb and the total volume is 0.5ft3 the dried weight is 48.7lb. specific gravity of soil is 2.69. Which of the following gives the dry unit weight of the sample? Ans: 97.42 pcf
PROBLEM 1 The following are given for a specimen of soil: M = 300 g, Msolid = 170 g, Gs = 2.72 and S = 70%. Determine: a. Total Volume of the soil sample. b. Porosity of the specimen. C. Volume of water to be added to make the soil fully saturated.
8. A sample of soil has a water content w= 14.7%, and a cube of dimensions 10 cm x 10 cm × 10 cm weighs 18.4 N. The grain specific gravity Gs = 2.72. Calculate the unit weight, the void ratio and the degree of saturation. What would be the unit weight and the water content if the soil had the same void ratio, but was saturated? What would be the unit weight if the soil had a water content of zero?
1. A soil sample weighing 0.349 slug has a volume of 0.092 ft³. If water content is 13.4% and Gs = 2.65, determine the following properties of the soil: (Units a) Unit weight of soil b) Dry unit weight c) Void ratio d) Porosity e) Degree of Saturation
9. The field unit weight of the soil sample is 1960 kg/m³, and the unit weight of the soil particle is 2700 kg/m³. If emax=0.69 and emin = 0.44. a) Compute the dry unit weight if the water content is 11% b) Compute the void ratio of the soil sample. c) Compute the relative density of the soil sample.
The data in the table below was gotten from modified Proctor test for a soil sample having Gs=2.62 19 1 14 12 10 (%) w 23 0.92 0.88 0.83 0.94 1.07 1.15 e What is the degree of compaction if the field dry unit weight is 13.2 kN/m³ and field ? moisture content is 9% .a 71.3% .b 94% .C 80% .d 100%
Situation 3: The total volume of a soil specimen is 80,000 mm 3 and it weighs 150 grams. The dry weight of the specimen is 130 grams and the density of the soil solids is 2680 Kg/m3 . Find the following: a. The water content b. Void Ratio c. Porosity d. Degree of saturation e. Saturated unit weight f. Dry unit weight
10. Given: 86% of a soil sample passed Sieve No. 4 and retained on Sieve No. 200. Also, Coefficient of Gradation = 1, and Uniformity Coefficient = 3. Classify the soil using the Unified Soil Classification System.
1. A dry sand is placed in a container having a volume of 0.0092 cubic centimeter. The dry unit weightof the sample is 0.015 gram. Water is carefully added to the container so as not to disturbed thecondition of the sand. When the container is filled, the combined weight of soil plus water is 0.0182gram.a. Determine the specific gravity of soil particle.b. Determine the dry unit weight of soil.2. If the soil sample has a water content of 11% and a unit weight of 19.67 kN/m3 , determine thepercentage of air in voids and the degree of saturation if the specific gravity of soil solid is 2.75.3. If the soil sample has a specific gravity of 2.71 and a porosity of 0.345, determine the saturated unitweight and the bouyant unit weight.4. A soil sample having a liquidity index of 0.85, a plasticity index of 16.50 and a plastic limit of 11.45.The soil sample has a specicfic gravity of 2.68 and a void ratio of 0.77.a. Compute the degree of saturation.b. Compute the air void ratio.
Calculate the water content of a soil with zero air voids and void ratio equal to 0.5. (Take G=2.7)
For a given soil, show that Y sat e 3=
Soil mechanics سمدن

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2. The field unit weight of the soil sample 1s 1960 kg/m³ and the unit weight of the soil particle is 2700 kg/ m. If the emax = 0.69 and 0.44, determine emin = the following: a) Specific gravity b) Dry unit weight if water content is 15% c) Porosity