Question Paper: Advanced Construction & Equipment : Question Paper May 2015 - Civil Engineering (Semester 6) | Gujarat Technological University (GTU)

Advanced Construction & Equipment - May 2015

Civil Engineering (Semester 6)


1 (a) Classify various types of piles based on : (i) Function (ii) Material and Composition(7 marks) 1 (b) Describe the methods adopted to facilitate the sinking of caissons with its advantages and disadvantages(7 marks) 2 (a) Describe the procedure of pumping from well points for de-watering. What are its advantages?(7 marks) 2 (b) Describe pile load test for determining the bearing capacity of a Pile.(7 marks) 2 (c) Define a Coffer Dam. Explain with sketches: (i) Earth-fill Coffer Dam, (ii) Cellular Coffer Dam.(7 marks) 3 (a) Explain with sketches the method of forming Button Bottom Pile and Simplex Pile(7 marks) 3 (b) What are the factors to be considered, while making choice between coffer dam and caisson?(7 marks) 3 (c) What are the various reasons of pulling out of piles from their positions? What are the methods adopted for it?(7 marks) 3 (d) What are monoliths? Describe its construction procedure, giving detailed sketch. What are its advantages, disadvantages and uses.(7 marks) 4 (a) Describe Piping in single wall coffer-dams.(7 marks) 4 (b) Why is formwork necessary? What are the requirements of a good formwork? Which are the materials used for preparing form work.(7 marks) 4 (c) Describe Box Caissons, giving neat sketch. In which situations box caissons are Adopted?(7 marks) 4 (d) What are the different types of centering for big arches of bridges? Explain briefly each of them(7 marks) 5 (a) Explain the difference between Repair, Restoration, and Retrofitting.(7 marks) 5 (b) What is meant by pre-stressed concrete? What are the advantages and disadvantages of it?(7 marks) 5 (c) Describe various properties of earthquakes resistant construction for better seismic performance.(7 marks) 5 (d) What is meant by Demolition? What are the factors affecting the evaluation of demolition methods?(7 marks)

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