Homework_04 - 3. Explain why lime Ca(OH) 2 can be (and...

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CEEN 641 – ADVANCED SOIL MECHANICS HOMEWORK ASSIGNMENT #4 1. Place the following clays in general order of increasing plasticity: illite, montmorillonite, and kaolinite. 2. Place the following clays in order of increasing expansiveness: illite, calcium montmorillonite, sodium montmorillonite, and kaolinite. Explain why each soil behaves as it does relative to the others.
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Unformatted text preview: 3. Explain why lime Ca(OH) 2 can be (and often is) used to modify/strengthen sodium clays. 4. Bentonite (which is a smectite like montmorillonite) is commonly used to line the bottom of sanitary waste facilities. Explain how hydrocarbons such as benzene potentially within the waste might reduce the effectiveness of a bentonite liner....
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