6. For the data below, classify the soils according to USCS:(a) 100% material passed No. 4sieve, 25% retained on No.200 sieve.Fines exhibited:(b) 65% material retained onNo. 4 sieve, 32% materialretained on No. 200 sieve.C, - 3, C, = 1.Medium to low plasticity.Dilatancy-none to very slow.Dry strength-medium to high. (c) 100% passed No. 4 sieve,90% passed No. 200 sieve.Dry strength–low to medium.Dilatancy-moderately quick.LL - 23, PL = 17.(d) 5% retained on No. 4 sieve,70% passed No. 4 and re-tained on No. 200 sieve.Fines exhibited low plasticityand high dilatancy.(e) 100% material passed No. 4sieve, 20% retained on No.200 sieve.() 90% material passed No. 4sieve, and retained on No.200 sieve.Fines exhibit high plasticity.Dilatancy-none.Dry strength-high.C- 3, C. = 1.10% passed No. 200 sieve.Fines exhibited highdilatancy.(g) 5% material retained onNo. 4 sieve, 70% passedNo. 4 sieve and retained onNo. 200 sieve.Fines exhibited medium drystrength, medium toughness.Dilatancy-none.LL - 25, PL - 15.(h) 70% material retained onNo. 4 sieve, 27% retainedon No. 200 sieve.C.- 5, C, = 1.5.

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6. For the data below, classify the soils according to USCS: (b) 65% material retained on No. 4 sieve, 32% material retained on No. 200 sieve. C, - 3, C,- 1. (a) 100% material passed No. 4 sieve, 25% retained on No. 200 sieve. Fines exhibited: Medium to low plasticity. Dilatancy-none to very slow. Dry strength-medium to high.

6. For the data below, classify the soils according to USCS: (b) 65% material retained on No. 4 sieve, 32% material retained on No. 200 sieve. C, - 3, C,- 1. (a) 100% material passed No. 4 sieve, 25% retained on No. 200 sieve. Fines exhibited: Medium to low plasticity. Dilatancy-none to very slow. Dry strength-medium to high.

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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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

6. For the data below, classify the soils according to USCS:
(a) 100% material passed No. 4
sieve, 25% retained on No.
200 sieve.
Fines exhibited:
(b) 65% material retained on
No. 4 sieve, 32% material
retained on No. 200 sieve.
C, - 3, C, = 1.
Medium to low plasticity.
Dilatancy-none to very slow.
Dry strength-medium to high.

(c) 100% passed No. 4 sieve,
90% passed No. 200 sieve.
Dry strength–low to medium.
Dilatancy-moderately quick.
LL - 23, PL = 17.
(d) 5% retained on No. 4 sieve,
70% passed No. 4 and re-
tained on No. 200 sieve.
Fines exhibited low plasticity
and high dilatancy.
(e) 100% material passed No. 4
sieve, 20% retained on No.
200 sieve.
() 90% material passed No. 4
sieve, and retained on No.
200 sieve.
Fines exhibit high plasticity.
Dilatancy-none.
Dry strength-high.
C- 3, C. = 1.
10% passed No. 200 sieve.
Fines exhibited high
dilatancy.
(g) 5% material retained on
No. 4 sieve, 70% passed
No. 4 sieve and retained on
No. 200 sieve.
Fines exhibited medium dry
strength, medium toughness.
Dilatancy-none.
LL - 25, PL - 15.
(h) 70% material retained on
No. 4 sieve, 27% retained
on No. 200 sieve.
C.- 5, C, = 1.5.

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