A specimen of moist soil weighing 122 g has an apparent specific gravityof 1.82. The specific gravity of the solids is 2.53. After the specimen isoven-dried, the weight is 104 g. Which of the following gives the voidratio and dry density of the soil mass?

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Answered: A specimen of moist soil weighing 122 g…

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 properties of seven different clayey soils are shown below. Investigate the relationship between the strength and plasticity characteristics by performing the following tasks: Soil Beauharnois Detroit I Horten Gosport Mexico City Shellhaven St. Thuribe Mineral % Clay fraction (<2 μm) Kaolinite Illite 79 36 40 55 90 41 36 Montmorillonite Halloysite (hydrated) Halloysite (dehydrated) Attapulgite Allophane Activity, A 0.52 0.36 0.42 0.89 4.5 1.33 0.33 Liquid limit, LL 35-100 60-120 100-900 Undisturbed shear strength (kN/m²) 50-70 40-55 150-250 200-250 18 17 41 29 46 36 38 a. Estimate the plasticity index for each soil using Skempton's definition of activity. b. Estimate the probable mineral composition of the clay soils based on plasticity index and activity using the table below. Plastic limit, PL 20-40 35-60 50-100 Sensitivity, S, 14 40-60 30-45 100-125 120-150 2.5 17 2.2 5.3 7.6 150 Activity, A 0.3-0.5 0.5-1.2 1.5-7.0 0.1-0.2 0.4-0.6 0.4-1.3 0.4-1.3 c. Sensitivity refers to the…
Determine the shrinkage ratio when the soil sample has a liquid limit of 70%, plastic limit of 50% and the specific gravity of the soil solid is 2.70, determine the shrinkage ratio. Select the correct response: 2.54 2.37 1.37 1.55
A soil sample is oven-dried from its liquid limit state to its dry state causing a volume change of 60% of the dry volume. Likewise, the same soil is oven-dried from its plastic limit state to its dry state causing a volume change of 20% of the dry volume. The liquid limit and plastic limit are 54% and 26%, respectively. Determine the specific gravity of soil solids, shrinkage limit and shrinkage ratio. 1. INPUT THE VALUE OF SPECIFIC GRAVITY OF SOIL SOLIDS IN 2 DECIMAL PLACES 2. INPUT THE VALUE OF SHRINKAGE LIMIT IN PERCENTAGE FORM AND IN 2 DECIMAL PLACES 3. INPUT THE VALUE OF SHRINKAGE RATIO IN 2 DECIMAL PLACES Answer with text and/or attachments:
Soil placed on a can has been weighed before and after an oven-drying procedure. The procedure yields the following results: Mass of soil + can before placing in the oven 84.6 g. Mass of soil + can after placing in the oven 72.9 g. Mass of can 32.1 g. If the specific gravity of the soil is 2.85, and the void ratio is 0.759, what will be the moist unit weight (kN/m3) of the soil? Round off to two decimal places.
a specimen of moist soil weighing 122 g has a total specific gravity of 1.82. The unit weight of soil solids is 2.53 g/cc. After the specimen is oven dried, the weight is 104 g. Calculate the dry density in g/cc

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A specimen of moist soil weighing 122 g has an apparent specific gravity of 1.82. The specific gravity of the solids is 2.53. After the specimen is oven-dried, the weight is 104 g. Which of the following gives the void ratio and dry density of the soil mass?