Construction Materials, Methods and Techniques (MindTap Course List)
4th Edition
ISBN: 9781305086272
Author: William P. Spence, Eva Kultermann
Publisher: Cengage Learning
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Question
Chapter 11, Problem 3RQ
To determine
The difference between the colors of calcareous and non-calcareous clay.
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Five types of crystalline silicate clays.
STATEMENTS: A - an increase in volume is expected in 2:1 expanding type of clay when wet/saturated with water. B - cracking is expected when an expanding type of clay dries.
A- both statements are trueB- neither statements are trueC- only statement A is true D- only statement B is true
Explain the following shortly and concisely:
1. Explain why clay materials are naturally hydrophilic (water-loving).
2. Why are the properties of polycrystalline materials most often isotropic?
Chapter 11 Solutions
Construction Materials, Methods and Techniques (MindTap Course List)
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Similar questions
- Define activity in relation to clay and also write down the classification of different activity.arrow_forwardExplain in detail on how the clay mineralogy affects the swelling-shrinkage behaviour of a clay. Use sketches if necessary.arrow_forward(a) Silica tetrahedra and alumina octahedra sheets are joined together by sharing oxygen atoms; (b) In a 1:1 type of clay, layers are non-expansive because of the presence of oxygen bond between layers. * A if a is correct B if b is correct C if both statements are correct D if neither statement a nor b are truearrow_forward
- Explain the concept behind why clay materials are naturally hydrophilic. Discuss their structure and its connection to this characteristic of clay.arrow_forwardExplain how the shear strength of sand changes with respect to suction in various zones.arrow_forwardThe engineering behaviour of clay is essentially different from that of a sand at the same void ratio. Which one of the following is not responsible for this behaviour? Select your answer A Particle size and shape В Specific surface area C Soluble salts D Cation exchange capacityarrow_forward
- 3. What ion is present in between 2:1 non expanding type of clay which causes its non-expanding nature/behavior? * A. H+ B. K+ C. Na+ D. Li+arrow_forward2. Why sand has a low porosity but a high permeability? 3. What factors affect porosity and permeability?arrow_forwardDefine the term Acidic rocks.arrow_forward
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