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Posted By: India Member Level: Diamond Posted Date: 25 Dec 2007
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2006 Jawaharlal Nehru Technological University B.Tech Civil Engineering IV Year I Sem (NR410108) -Sup.Nov '06 - Ground Improvement Technology Question paper
Code No: NR410108 NR
IV B.Tech I Semester Supplementary Examinations, November 2006
GROUND IMPROVEMENT TECHNOLOGY
(Civil Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. Explain the terms Vibro-Compaction and Vibro-Replacement, highlighting the typical characteristics and the relative effectiveness of both the terms. [16]
2. What other design or construction alternatives would be considered besides soil improvement such as compaction in order to overcome a difficult foundation problem? Explain in detail. [16]
3. (a) Describe different grouting techniques depending upon the stabiliser used?
[8+8]
(b) Write a note on suspension and solution grouting.
4. (a) Explain any four engineering application of reinforced earth with sketches?
[8+8]
(b) Describe the procedure of desining a reinforced earth wall?
5. (a) List the major functions that the Geotextiles are intended to perform. [8+8]
(b) Explain how Geotextiles can be used as separators.
6. (a) Discuss the consequences of swelling on structures. [8+8]
(b) Discuss and state how these two parameters.
i. swelling potential and
ii. plasticity index are related.
7. What is meant by dynamic compaction? Explain in detail the procedure of conducting laboratory test of compaction. [16]
8. Discuss in detail the various methods of lime addition to soils practical usage in engineering construction. [16]
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