Download JNTUA M.Tech 2nd Sem 2017 Feb 9D12202 Ground Improvement Techniques Question Paper

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Code: 9D12202

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M.Tech II Semester Supplementary Examinations January/February 2017

GROUND IMPROVEMENT TECHNIQUES

(Geotechnical Engineering)

Time: 3 hours

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Max. Marks: 60

Answer any FIVE questions

All questions carry equal marks

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1. (a) What are the needs and objectives of ground modification?
   

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   (b) Explain the quality control test in shallow composition and explain the proctor needle test.
2. Explain various surface compaction techniques for the pavements.
3. How the granular piles are installed and explain them in detail about it?
4. (a) Write a short note on vacuum dewatering system.
   (b) How do geo-synthetics help in dam engineering and water resources?

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5. (a) How does Bitumen affect the engineering properties of soil when it is used as a stabilizing material?
   (b) What are the steps involved in soil cement stabilization?
6. (a) What are the functions involved in soil and rock grouting?
   (b) What is compaction grouting? Explain the process, advantages and disadvantages.
7. Explain the components of reinforced earth. Write the design approach of the reinforced earth wall.

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8. (a) How do you check for the tensile strength failure of soil nailed wall? What are the safety measures to be taken?
   (b) Write a short note on:
   (i) Durability of geo-textile
   (ii) Seam strength of geo textile.

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