This download link is referred from the post: PTU B.Tech 7th Semester Last 10 Years Previous Question Papers|| Punjab Technical University 2011-2021
Roll No. :
Total No. of Questions : 18
Total No. of Pages : 02
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B.Tech. (CE) (2012 to 2017) (Sem.-7)
GROUND IMPROVEMENT TECHNIQUES
Subject Code : BTCE-810
M.Code : 71869
Time : 3 Hrs. Max. Marks : 60
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INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
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Answer briefly :
- When is compaction adopted?
- How is dynamic compaction different from static compaction?
- What is liquefaction?
- 'Stone columns are both strong and deformable'. Comment.
- What is jet grouting?
- What is meant by displacement grouting?
- What are micropiles?
- What are principle requirements of a reinforcing material?
- How is permeability of soil affected by geotextiles?
- How is bearing capacity of soil affected by geotextiles?
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SECTION-B
- What is pre-loading? How do vertical drains improve the functioning of pre-loading technique?
- Explain the principle and salient applications of soil-lime stabilization.
- Draw a typical layout of grouting plant. Also mention the basic items required for a grouting plant along with their functions.
- What is the role of reinforced earth construction in ground improvement? Explain with relevant data/examples.
- What design considerations should you keep in mind while using geotextiles in retaining walls?
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SECTION-C
- Comment on the use of vibratory techniques in improving the bearing capacity of cohesive soils (in situ).
- What is the role of chemicals in soil stabilization? Give examples along with merits/demerits.
- Explain how soil nailing technique is used to provide stability of foundation of trenches and surrounding structures? Draw sketch to support your answer.
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NOTE: Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Tech 7th Semester Last 10 Years Previous Question Papers|| Punjab Technical University 2011-2021