1. A fine-grained soil has a liquid limit of 300% and a plastic limit of 55%. The natural water content of the soil in the field is 80% and clay content is 60%. a. Determine the plasticity index, the liquidity index b. What is the soil state in the field? c. If this soil were under a concrete slab used as a foundation for a building and water were to seep into it from watering of a lawn, what would you expect to happen to the foundation?

1. A fine-grained soil has a liquid limit of 300% and a plastic limit of 55%. The natural water content of the soil in the field is 80% and clay content is 60%. a. Determine the plasticity index, the liquidity index b. What is the soil state in the field? c. If this soil were under a concrete slab used as a foundation for a building and water were to seep into it from watering of a lawn, what would you expect to happen to the foundation?

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter5: Classification Of Soil

Section: Chapter Questions

Problem 5.10P

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1. A fine-grained soil has a liquid limit of 300% and a plastic limit of 55%. The natural water content of the soil in the field is 80% and clay content is 60%. Determine the plasticity index, the liquidity index What is the soil state in the field? a. b. C. If this soil were under a concrete slab used as a foundation for a building and water were to seep into it from watering of a lawn, what would you expect to happen to the foundation? 2. A liquid limit test, conducted on a soil sample in the cup device, gave the following results: No. of Blows 10 40 19 45.2 23 39.8 27 36.5 Water Content (%) 60.0 25.2 Two determinations for the plastic limit gave water contents of 20.3% and 20.8%. Determine... a. The liquid limit and plastic limit b. The plasticity index c. The liquidity index if the natural water content is 27.4% d. The void ratio at the liquid limit if Gs = 2.7. If the soil is saturated and is loaded to failure, would you expect a brittle failure? 3. The following results were…
The Atterberg limits of a clay soil are 72%, 40% and 23%. If a sample of this soil has a volume of 29.5 cm³ at the liquid limit and a volume 16.4 cm3 at the shrinkage limit, a. determine the specific gravity of solids determine the shrinkage ratio b.
The plastic limit and liquid limit of a soil are 30% and 42% respectively. The percentage volume change from Plastic limit and liquid limit to dry state is 22% and 35% of the dry volume respectively. Find the shrinkage ratio.
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2.A sample of clay soil has a liquid limit of 62% and its plasticity index is 32 percent. (1) What is the state of consistency of the soil if the soil in its natural state has a water content of 34 percent? (11) Calculate the shrinkage limit if the void ratio of the sample at the shrinkage limit is 0.70 Assume Gs = 2.70.
2. A sample of clay soil has a liquid limit of 62% and its plasticity index is 32 percent. (1) What is the state of consistency of the soil if the soil in its natural state has a water content of 34 percent? (ii) Calculate the shrinkage limit if the void ratio of the sample at the shrinkage limit is 0.70 Assume Gs = 2.70.
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:
2. A sample of soil has 60% passing the No. 4 sieve and 42% passing the No. 200 sieve. The liquid limit (LL) for the soil is 28%, and the plasticity index (PI) is 4.5%. Classify this soil according to the USCS.
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PLS. ANSWER ASAP WITH COMPLETE SOLUTION4 DECIMAL PLACES A saturated sample of clay with a shrinkage limit of 22 has a natural water content of 35%.a. What would its dry volume be as a percentage of its original volume if the specific gravity of soil solids is 2.70?b. What would be the void ratio of the soil in its natural water content?c. What is the dry density of the soil sample?
PROBLEM 3: A saturated, remolded clay soil has a water content of 32 percent, a liquid limit water content of 35 percent, a plastic limit water content of 20 percent, and an amount of clay sizes (finer than 0.002 mm) of 17 percent. What is the liquidity index of this soil? a. 0.6 C. 0.25 b. 0.8 d. 0.96