5- Following are the results from the liquid and plastic limit tests for a soil. Liquid limittest:Number of blows, N15Moisture content (%)422040.82839.1Plastic limit test: PL = 18.7%a. Draw the flow curve and obtain the liquid limit.b. What is the plasticity index of the soil? 6- For an inorganic soil, the following grain-size analysis is given.U.S. Sieve No.Percent passing4100109020644038801820013For this soil, LL = 23 and PL = 19. Classify the soil by usinga. AASHTO soil classification systemb. Unified soil classification systemGive group names and group symbols.

"Thank you for the question. As per our honor code we are supposed to solve the first question,…

5- Following are the results from the liquid and plastic limit tests for a soil. Liquid limit test: Number of blows, N Moisture content (%) 15 42 20 40.8 28 39.1 Plastic limit test: PL = 18.7% a. Draw the flow curve and obtain the liquid limit. b. What is the plasticity index of the soil?

5- Following are the results from the liquid and plastic limit tests for a soil. Liquid limit test: Number of blows, N Moisture content (%) 15 42 20 40.8 28 39.1 Plastic limit test: PL = 18.7% a. Draw the flow curve and obtain the liquid limit. b. What is the plasticity index of the soil?

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter9: In Situ Stresses

Section: Chapter Questions

Problem 9.11P

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Concept explainers

Calculation of Settlement

The vertical displacement of the structural foundation due to the loading from the superstructure is known as settlement. It is due to the reduction of air voids present in the soil. The amount of vertical displacement depends on the bearing capacity of the soil on which the foundation is laid. The effect of the settlement depends on the magnitude of settlement, uniformity, and the structural design of the structure. The maximum allowable settlement for residential and office buildings should be less than 18 mm, for industrial buildings, it is 38 mm and for commercial buildings, it is 25 mm.

Question

5- Following are the results from the liquid and plastic limit tests for a soil. Liquid limit
test:
Number of blows, N
15
Moisture content (%)
42
20
40.8
28
39.1
Plastic limit test: PL = 18.7%
a. Draw the flow curve and obtain the liquid limit.
b. What is the plasticity index of the soil?

6- For an inorganic soil, the following grain-size analysis is given.
U.S. Sieve No.
Percent passing
4
100
10
90
20
64
40
38
80
18
200
13
For this soil, LL = 23 and PL = 19. Classify the soil by using
a. AASHTO soil classification system
b. Unified soil classification system
Give group names and group symbols.

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