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Civil Engineering - Soil Mechanics and Foundation Engineering - Discussion

Discussion Forum : Soil Mechanics and Foundation Engineering - Section 1 (Q.No. 16)
Soil Mechanics and Foundation Engineering
16.
Pick up the clay soil group which does not swell when wet from the following :
Kaolinite group
Illite group
Vermiculite group
Montrorillonite group.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
57 comments Page 2 of 6.
Shianrilong Reamei said:   5 years ago
@Mustak Ahmed.

You are wrong, Ionic bond is stronger than hydrogen bond.

Ionic bond>covalent bond>hydrogen bond> dipole-dipole bond> van der wall bond.
(3)
Mustak Ahmed said:   5 years ago
Answer will be kaolinite as hydrogen bond is present in kaolinite, which is stronger then the ionic bond which is present in illite group.
Arpit said:   5 years ago
A is right answer. I also agree.
(1)
SANJAYA said:   5 years ago
A is the right answer. I too agree.
(1)
Abhinandan kumar said:   5 years ago
Option A is correct,

Kaolinite is made of 1-1 composition of silica and gibbsite with a strong hydrogen bond due to which water doesn't percolates into it, so it doesn't show any swelling and shrinkage property.
(1)
Abhisek yadav said:   5 years ago
Kaolinite soil : No swelling no shrinkage.

So, A is correct answers.
Ammu said:   6 years ago
Kaolinite.
S k gupta said:   6 years ago
Kaolinite no change.

Illite medium change.

Montmorillonite maximum change.
Jasmin said:   6 years ago
As pet NPTEL, swelling of montmorillite> illite> Kaolinite.
Ali Zafar said:   6 years ago
Only Answer B is right. Actually Illite is a group of closely related non-expanding clay minerals. Option C and D are directly responsible for swelling. Option A is near to right but B is clearly non-expanding material.
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