EBK FUNDAMENTALS OF GEOTECHNICAL ENGINE
EBK FUNDAMENTALS OF GEOTECHNICAL ENGINE
5th Edition
ISBN: 8220101425829
Author: SIVAKUGAN
Publisher: CENGAGE L
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Chapter 2, Problem 2.1P

(a)

To determine

Whether the statement “Aeolian soils are transported and deposited by wind” is true or false.

(a)

Expert Solution
Check Mark

Answer to Problem 2.1P

The statement “Aeolian soils are transported and deposited by wind” is true.

Explanation of Solution

  • • The classification of soil is based on the transportation. Aeolian soils consist of sand or silt sized particles.
  • • This type of soil is normally transferred from one place to another place through the wind. Soils are divided into groups based on their mode of transportation.

Hence, the statement is True.

(b)

To determine

Whether the statement “Marble is an igneous rock” is true or false.

(b)

Expert Solution
Check Mark

Answer to Problem 2.1P

The statement “Marble is an igneous rock” is false.

Explanation of Solution

  • • Marble is a metamorphic rock that forms when limestone is subjected to heat and pressure from all sides.so, marble are not classified as an igneous rock.

Hence, the statement is False.

(c)

To determine

Whether the statement “Sandstone is a sedimentary rock” is true or false.

(c)

Expert Solution
Check Mark

Answer to Problem 2.1P

The statement “Sandstone is a sedimentary rock” is true.

Explanation of Solution

  • • Sandstone is a clastic sedimentary rock.
  • • It’s composed of rock, organic material, and sand size grains of mineral.

Hence, the statement is True.

(d)

To determine

Whether the statement “Silts have no plasticity” is true or false.

(d)

Expert Solution
Check Mark

Answer to Problem 2.1P

The statement “Silts have no plasticity” is true.

Explanation of Solution

  • • It is termed as very fine particles of sand, and it is carried by moving water and deposited as sediment.
  • • The particles of silt are very fine and it does not have plasticity at all.

Hence, the statement is True.

(e)

To determine

Whether the statement “D30 is always greater than D10” is true or false.

(e)

Expert Solution
Check Mark

Answer to Problem 2.1P

The statement “D30 is always greater than D10” is true.

Explanation of Solution

  • D30 is the size of sieve hole in which 30% of soil will passes through them and D10 is the size of sieve hole in which 10% of soil will passes through them.
  • • The soil D30 is equal to or greater than D10 in sieve analysis.

Hence, the statement is True.

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