Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Question
Chapter 3, Problem 3.9P
(a)
To determine
Calculate the mass of water to be added per cubic meter of soil.
(b)
To determine
Calculate the mass of water to be added per cubic meter of soil.
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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
6. The dry unit weight of a soil sample is 14.8 kN/m. Given that G, = 2.72 and
w = 17%, determine:
a. Void ratio
b. Moist unit weight
c. Degree of saturation
d. Unit weight when the sample is fully saturated
Determine the mass of water (in kg) to be added per cubic meter (m') of soil for
90% degree of saturation
100% degree of saturation
Please Solve this question 3.10 in picture
Chapter 3 Solutions
Principles of Geotechnical Engineering (MindTap Course List)
Ch. 3 - Prob. 3.1PCh. 3 - Prob. 3.2PCh. 3 - Prob. 3.3PCh. 3 - Prob. 3.4PCh. 3 - Prob. 3.5PCh. 3 - Prob. 3.6PCh. 3 - Prob. 3.7PCh. 3 - Prob. 3.8PCh. 3 - Prob. 3.9PCh. 3 - Prob. 3.10P
Ch. 3 - Prob. 3.11PCh. 3 - Prob. 3.12PCh. 3 - Prob. 3.13PCh. 3 - Prob. 3.14PCh. 3 - Prob. 3.15PCh. 3 - Prob. 3.16PCh. 3 - Prob. 3.17PCh. 3 - Prob. 3.18PCh. 3 - Prob. 3.19PCh. 3 - Prob. 3.20PCh. 3 - Prob. 3.21PCh. 3 - Prob. 3.22PCh. 3 - Prob. 3.23PCh. 3 - Prob. 3.24PCh. 3 - For a given sandy soil, emax = 0.75 and emin =...Ch. 3 - For a given sandy soil, the maximum and minimum...Ch. 3 - Prob. 3.27PCh. 3 - Prob. 3.28PCh. 3 - Prob. 3.29PCh. 3 - Prob. 3.1CTPCh. 3 - Prob. 3.2CTPCh. 3 - Prob. 3.3CTP
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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
- 4 5 6arrow_forwardPROBLEM 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.arrow_forward1. A 1 m³ sample of moist soil weights 1800 kg. The water content is 10%. Assume p, is 2700 kg/m³. With this information, fill in all the blanks on the phase diagram. After your phase diagram is complete, compute void ratio, porosity and dry density. Show all your calculations. V 4 V Air Water Soil A M + Marrow_forward
- 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. 12.5arrow_forwardSituation 1: Dry soil with Gs = 2.7 is mixed with water to produce 20% water content and compacted to produce a cylindrical sample of 40 mm diameter and 80mm long with 5% air content. Calculate the following: a. Mass of the mixed soil that will be required b. Void ratio of the sample c. Dry unit weight d. Moisture unit weight e. Saturated unit weight f. Amount of water to be added for full saturation.arrow_forwardA SOIL SAMPLE WAS TAKEN FROM A SITE AND WAS PLACED IN A CUBICAL CONTAINER WITH ONE SIDE EQUAL TO 0.1m. THE NET WEIGHT OF THE SOIL IS FOUND OUT TO BE 2kN. AFTER OVEN DRYING, THE WEIGHT WAS REDUCED TO 53%. WHAT IS THE UNIT WEIGHT OF THE SOIL AFTER DRYING? * Your answer A SATURATED SOIL HAS VOID RATIO EQUAL TO 0.65 AND sg = 2.9. WHAT IS THE SUBMERGED UNIT WEIGHT OF THE SOIL? * Your answer THE WEIGHT OF THE VOIDS OF ON SITE SOIL WAS MEASURED AND FOUND OUT TO BE 1 kN. AFTER DRYING, THE WEIGHT OF THE SOLID WAS FOUND TO BE 1 kN. IF THE VOLUME OF THE SOIL IS 0.099 m3, WHAT IS THE NATURAL UNIT WEIGHT OF THE SOIL? * Your answerarrow_forward
- Compute the total unit weight, dry unit weight, water content, and saturated unit weight of the soil sample below. Volume Weight Air Va Vv Vw Wa watef ww V Vs solids Ws Given: e = 0.8 s = 0.9 Gs = 2.68arrow_forward1. (i) A dry soil has a void ratio of 0.65 and its grain specific gravity is = 2.80. What is its unit weight?(ii) Water is added to the sample so that its degree of saturation is 60% without any change in void ratio. Determine the water content and unit weight.(iii) The sample is next placed below water. Determine the true unit weight (not considering buoyancy) if the degree of saturation is 95% and 100% respectively. 2. A sample of saturated soil has a water content of 35%. The specific gravity of solids is 2.65. Determine its void ratio, porosity, saturated unit weight and dry unit weight 3. For a given soil, the void ratio e, water content w, and specific gravity Gs are found to be 0.50, 15%, and 2.65, respectively. Find: (a) Total unit weight of the soil γt (b) Degree of saturation S (c) Dry unit weight γd if the water in the void is removed 4. A shrinkage limit test for a saturated specimen had the initial volume Vi = 21.35 cm3 and initial weight Wi = 37 gf (…arrow_forwardcons 3arrow_forward
- 1. From the following data of a soil sample: Sample size 3.81 cm dia. x 7.62 cm ht. Wet weight = 1.668 N Oven-dry weight = 1.400 N Specific gravity = 2.70 Detemine the water content (%), dry unit weight (kN/m3), bulk unit weight (kN/m3), void ratio, and the degree of saturation (%).arrow_forward2. 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 emin = 0.44, determine the following: a) Specific gravity b) Dry unit weight if water content is 15% c) Porosity d) Relative density e) Saturated unit weight f) Effective unit weight g) Weight of water in KN that must be added per m3 for a 90%-degree saturation h) Mass of water in kg to be added per 2.5m3 to reach full saturation i) If max dry unit weight is 18KN/m³, what is the percentage compaction? j) Is it within the allowable compaction range of 95 of relative +0.2?arrow_forwardPlease solve each problem 2.1 to 2.6arrow_forward
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