Advanced Construction & Equipment - May 2016

Civil Engineering (Semester 6)

TOTAL MARKS:
TOTAL TIME: HOURS

1 (a) What is a pneumatic caisson? Where is it adopted? How is it constructed?(7 marks) 1 (b) What is the meaning of the term pile foundation? Explain uses of piles.(7 marks) 2 (a) Discuss in detail Ohio river type wood sheeting cofferdam.(7 marks)

Solve any one question from Q2(b) & Q2(c)

2 (b) Mention advantages and disadvantages of cast in situ and pre cast concrete piles.(7 marks) 2 (c) What is cofferdam? Which are its uses? Enlist common types of cofferdams.(7 marks)

Solve any two question from Q3(a), Q3(b) & Q3(c), Q3(d)

3 (a) Enlist various methods of controlling ground water during construction and Suggest their suitability for different soil conditions. Explain with sketches any two methods.(7 marks) 3 (b) Describe method of well point system for dewatering of foundation soils.(7 marks) 3 (c) Write short note on Vibroflotation.(7 marks) 3 (d) Explain formwork for big arches.(7 marks)

Solve any two question from Q4(a), Q4(b) & Q4(c), Q4(d)

4 (a) List methods of demolition and explain any Two.(7 marks) 4 (b) Write short note on Tall structure.(7 marks) 4 (c) Define following terms:
(1) Depreciation
(2) Investment cost
(3) Obsolescence Cost
(4) Down Time
(5) Scrape value
(6) Replacement cost
(7) Maintenance charges(7 marks) 4 (d) Discuss advantages and disadvantages of Scrapers.(7 marks)

Solve any two question from Q5(a), Q5(b) & Q5(c), Q5(d)

5 (a) What is concrete pump? What are the advantages of transportation of concrete by Pumps?(7 marks) 5 (b) Describe briefly the earth rammers.(7 marks) 5 (c) Draw a neat sketch of belt conveyor system and describe its components.(7 marks) 5 (d) What are the uses of power shovels? Describe with neat sketch basic parts and operation of power shovel.(7 marks)