Ground Improvement Techniques 2018 Question Paper — Government Colleg…
The 2018 Ground Improvement Techniques previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.
- University: Government College of Engineering and Technology, Jammu
- Subject: Ground Improvement Techniques
- Course: GROUND IMPROVEMENT TECHNIQUES
- Branch: Civil Engg.
- Year: 2018
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt five questions in all, selecting at least one question from each unit.
- Assume missing data, if any.
Questions
UNIT-I
- Q1. (a). What are black cotton soils? Explain the problems encountered while working on it. [10 marks]
- Q(b). What is well point system? Explain single point well point system. [10 marks]
- Q2. (a). Elaborate the types of soil-cement. How is cement stabilization achieved? [10 marks]
- Q(b). How does dewatering aid in soil stabilization. Define vacuum dewatering. [10 marks]
UNIT-II
- Q3. (a). Enumerate the ways in which densification of granular soils can be achieved. Discuss any one in detail. [10 marks]
- Q(b). What is consolidation? Describe the concept of three-dimensional consolidation. [10 marks]
- Q4. (a). Explain the salient features of sand drains. [10 marks]
- Q(b). What are stone piles? Explain the method of installation. [10 marks]
UNIT-III
- Q5. (a). Explain the aspects of grouting. How are grouts classified? [10 marks]
- Q(b). Compare the relative advantages and disadvantages of permeation grouting using cement grout and chemical grout. [10 marks]
- Q6. (a). Enumerate different grouting applications. Explain how stabilization grouting for underpinning is done? [10 marks]
- Q(b). Write the sequence to be followed in jet grouting with neat sketch. [10 marks]
UNIT-IV
- Q7. (a). What do you understand by "reinforced earth"? Explain the mechanism of its action in resisting active earth pressure. [10 marks]
- Q(b). Explain the construction sequence of a reinforced earth wall with vertical faces. [10 marks]
- Q8. (a). Describe geosynthetics. How are geosynthetics used as separators? [10 marks]
- Q(b). Explain the properties of a material to be selected as a geo synthetic. [10 marks]