Question Paper: Design of Hydraulic Structures : Question Paper Dec 2014 - Civil Engineering (Semester 8) | Gujarat Technological University (GTU)

Design of Hydraulic Structures - Dec 2014

Civil Engineering (Semester 8)


1 (a) Discuss factors affecting for the selection of dam site in detail.(7 marks) 1 (b) Explain briefly the factors affecting selection of dam type.(7 marks) 2 (a) Explain how construction operation is carried out in earthen dams?(7 marks) 2 (b) Discuss briefly the structural failure of earthen dam.(7 marks) 2 (c) Describe with neat sketch how to seepage line is drawn in homogeneous earth dam without any drainage arrangement?(7 marks) 3 (a) Show forces acting on a gravity dam with sketch.(7 marks) 3 (b) Explain stability requirements of a gravity dam.(7 marks) 3 (c) Discuss the properties of concrete used in the construction of a gravity dam.(7 marks) 3 (d) Draw the elementary profile of a gravity dam and explain various forces acting on it.(7 marks) 4 (a) Define spillway. What is the purpose of its provision? What are the essential requirements? Where the spillway is located?(7 marks) 4 (b) Describe briefly an ogee spillway.(7 marks) 4 (c) Define energy dissipaters. What are the needs to provide it?(7 marks) 4 (d) Determine the discharge through a chute spillway of ogee crest; length of spillway is 250m, height of spillway crest above u/s approach channel is 10m, width of approach channel is 250m and depth of water over spillway crest is 5m.(7 marks) 5 (a) What is canal fall? Why is it required to provide in a canal?(7 marks) 5 (b) Write short note on cross regulator.(7 marks) 5 (c) Discuss the various considerations according to which the location of a fall is Decided?(7 marks) 5 (d) Design a sarda type fall on a channel of 15cumecs, bed width 18m, depth 1.5m, u/s FSL 101m, bed level 99.5m, NSL 90.0, fall 1.0m and side slope 1/2:1.(7 marks)

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