Download JNTUA M.Tech 1st Sem 2016 Aug Supply 9D12101 Advanced Soil Mechanics Question Paper

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Code: 9D12101

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Time: 3 hours

M.Tech I Semester Supplementary Examinations August 2016

ADVANCED SOIL MECHANICS

(Geotechnical Engineering)

(For students admitted in 2012, 2013, 2014 & 2015 only)

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Answer any FIVE questions

All questions carry equal marks

1. 1. What are the different types of clay minerals and explain in detail.
   2. Describe the methods of clay minerals identification.

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2. What is meant by free swell index and explain how swelling pressure is determined by conducting Oedometer test.
3. Write notes on flow net construction for earth dams.
4. 1. Describe pore pressure parameters.
   2. What are the factors affecting shear strength of cohesive and cohesion less soils?

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5. 1. Explain stress path in detail.
   2. What are the different types of liquefaction and explain mitigation methods to minimize the liquefaction.
6. Explain the shear strength of granular soils under plain strain condition. Give a simple correlation to obtain friction angle.
7. 1. Describe the method of calculation of immediate settlement in granular soil by simplified strain influence factor.

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   2. What is the role of precompression for improving foundation soils?
8. 1. Differentiate between original and revised Mohr-Coulomb equations. Also derive a relationship between the principal stresses at failure using Mohr-Coulomb failure criterion.
   2. What are the merits and demerits of triaxial test?

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