Give its consistency index.EXERCICE 3Classify the following soil using the Unified Soil Classification (ASTM standard).Percentage passing N° 4 seive = 98Percentage passing N° 10 seive = 86Percentage passing N° 40 seive = 80Percentage passing N° 200 seive = 71The liquid limit = 102%The Plasticity index = 68%The water content is = 72%Give its consistency index. Indicate the activity of this soil andnumerous some potential problems linked to its use in different geotechnical works.EXERCICE 4Some tests were performed on the sandy silt according to Standard Proctor test. The volumeof the mold is 944 cm. The specific gravity was measured as 2.671) Plot the Proctor compaction curve (see the page 2)2) Find:2-1 The maximum dry unit weight of sandy-silt fill,2-2 Its OMC,2-3 The moisture ranges for 85% of Standard Proctor Optimum,2-4 The degree of saturation at the optimum Proctor state.3) Plot the zero air voids curve (see the page 2)4) Determine the values of degree of saturation for range of 85% of OMC. Conclude5) Give an idea about the type of the tested soil?212.5 14.5 16.5Test n°Wight (Newton)Moisture unit weight (kN/m³)34567818.2 19.418.3 17.214.5Water content (%)610121416182225Dry unit weight (kN/m')201510551015202

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EXERCICE 3 Classify the following soil using the Unified Soil Classification (ASTM standard). Percentage passing Nº 4 seive = 98 Percentage passing N° 10 seive = 86 Percentage passing N° 40 seive = 80 Percentage passing N° 200 seive = 71 The liquid limit = 102% The Plasticity index = 68% The water content is = 72%Give its consistency index. Indicate the activity of this soil and numerous some potential problems linked to its use in different geotechnical works.

EXERCICE 3 Classify the following soil using the Unified Soil Classification (ASTM standard). Percentage passing Nº 4 seive = 98 Percentage passing N° 10 seive = 86 Percentage passing N° 40 seive = 80 Percentage passing N° 200 seive = 71 The liquid limit = 102% The Plasticity index = 68% The water content is = 72%Give its consistency index. Indicate the activity of this soil and numerous some potential problems linked to its use in different geotechnical works.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

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Problem 1P

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Concept explainers

Soil classification and characteristics

Soil classification is a method of categorizing soil based on its properties, types, and uses. The motive of soil classification is to arrange various types of soils and divide them into groups for various engineering and agricultural purposes. Soil classification is carried out by various agencies as per their purposes. From an engineering perspective, soil classification is done to find out the suitability of soil for various construction purposes like the construction of dams, foundations, highways, infrastructures, and so on. For engineering purposes, the soil is classified by the following systems:

Question

Give its consistency index.
EXERCICE 3
Classify the following soil using the Unified Soil Classification (ASTM standard).
Percentage passing N° 4 seive = 98
Percentage passing N° 10 seive = 86
Percentage passing N° 40 seive = 80
Percentage passing N° 200 seive = 71
The liquid limit = 102%
The Plasticity index = 68%
The water content is = 72%Give its consistency index. Indicate the activity of this soil and
numerous some potential problems linked to its use in different geotechnical works.
EXERCICE 4
Some tests were performed on the sandy silt according to Standard Proctor test. The volume
of the mold is 944 cm. The specific gravity was measured as 2.67
1) Plot the Proctor compaction curve (see the page 2)
2) Find:
2-1 The maximum dry unit weight of sandy-silt fill,
2-2 Its OMC,
2-3 The moisture ranges for 85% of Standard Proctor Optimum,
2-4 The degree of saturation at the optimum Proctor state.
3) Plot the zero air voids curve (see the page 2)
4) Determine the values of degree of saturation for range of 85% of OMC. Conclude
5) Give an idea about the type of the tested soil?
2
12.5 14.5 16.5
Test n°
Wight (Newton)
Moisture unit weight (kN/m³)
3
4
5
6
7
8
18.2 19.4
18.3 17.2
14.5
Water content (%)
6
10
12
14
16
18
22
25
Dry unit weight (kN/m')
20
15
10
5
5
10
15
20
2

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