L T P/D Cr 3 0 2 5 08.702 DESIGN OF HYDRAULIC STRUCTURES Module I Dams-Gravity dams, arch dams, buttress dam, forces acting on dam-theoretical and practical profiles of gravity dam-low dam, high dam-stability of dam-stress in elementary profile of gravity dam. Function of shafts, galleries, keys and water seal. Arch dams-types, forces acting-design methods (Thin cylinder theory only)-Earth dam-Types-criteria for safe design-causes of failure. Spillways-Different types (Design not necessary). Module II Diversion head works, layout, functions of components-cause of failure of weirs on permeable soils- Bligh’s theory-design of vertical weir-Khosla’s theory of independent variables-use of Khosla’s charts and Blench curves. Cross drainage works-different types-Canal falls-classification (brief description only). Module III Design and drawing emphasizing the hydraulic aspects of the following structures: 1. Aqueduct 2.Syphon aqueduct 3.Canal Syphon 4.Notch type canal fall 5.Sarda type fall 6.Canal regulators (Khosla’s theory) References: 1. L.W.Mays,’’Water Resources Engineering’’, McGraw Hill Co. 2. B.C.Punmia & B B Pande, “ Irrigation and Power Engineering’’Laxmi publications (P) Ltd. 3. S.K. Garg,’’Irrigation Engineering’’, Khanna publishers, Delhi. 4. P.N.Modi and S.M.Seth, ‘’Irrigation Engineering’’, S.B.H Publishers and Distributors, New Delhi. 5. Priyani,’’Irrigation Engineering’’. Charotar Books, Anand, India, 1967 6. Varshney,’’Theory & Design of Irrigation Structures Vol III’ Nem Chand& Bros., Roorkee,1982 7. Sathyanarayana Murty Challa ’Water Resources Engineering-Principles and Practice’New age international publishers. Question paper:Duration: 4 hrs The question paper consists of Part A , Part B and Part C Part A(Compulsory) is for 20 marks(4x5) covering the entire syllabus Part B is for 20 marks covering modules I and II. There will be 2 questions from each module. The candidate has to answer one question of 10 marks from each module Part C is for 60 marks covering module III. Candidate has to answer one out of two questions from this part. The question consists of design and drawing parts. In the drawing part maximum of two views only be asked. Khosla’s charts and Blench curves are permitted. Note: No other charts, tables, codes are permitted in the Examination hall .If necessary the same shall be given along with the question paper by the question paper setter. 73

Design of hydraulic structures

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L T P/D Cr

3 0 2 5 08.702 DESIGN OF HYDRAULIC STRUCTURES

Module I

Dams-Gravity dams, arch dams, buttress dam, forces acting on dam-theoretical and practical profiles of gravitydam-low dam, high dam-stability of dam-stress in elementary profile of gravity dam. Function of shafts,galleries, keys and water seal.Arch dams-types, forces acting-design methods (Thin cylinder theory only)-Earth dam-Types-criteria for safe design-causes of failure. Spillways-Different types (Design not necessary).

Module II Diversion head works, layout, functions of components-cause of failure of weirs on permeable soils- Blighstheory-design of vertical weir-Khoslas theory of independent variables-use of Khoslas charts and Blenchcurves.Cross drainage works-different types-Canal falls-classification (brief description only).

Module III Design and drawing emphasizing the hydraulic aspects of the following structures: 1. Aqueduct 2.Syphon aqueduct 3.Canal Syphon 4.Notch type canal fall 5.Sarda type fall 6.Canal regulators(Khoslas theory)

References: 1. L.W.Mays,Water Resources Engineering, McGraw Hill Co. 2. B.C.Punmia & B B Pande, Irrigation and Power EngineeringLaxmi publications (P) Ltd.3. S.K. Garg,Irrigation Engineering, Khanna publishers, Delhi.4. P.N.Modi and S.M.Seth, Irrigation Engineering, S.B.H Publishers and Distributors, New Delhi.5. Priyani,Irrigation Engineering. Charotar Books, Anand, India, 19676. Varshney,Theory & Design of Irrigation Structures Vol III Nem Chand& Bros., Roorkee,19827. Sathyanarayana Murty Challa Water Resources Engineering-Principles and PracticeNew age international publishers.

Question paper:Duration: 4 hrs

The question paper consists of Part A , Part B and Part C Part A(Compulsory) is for 20 marks(4x5) covering the entire syllabusPart B is for 20 marks covering modules I and II. There will be 2 questions from each module. The candidate has to answer one question of 10 marks from each modulePart C is for 60 marks covering module III. Candidate has to answer one out of two questions from this part.The question consists of design and drawing parts. In the drawing part maximum of two views only be asked.

Khoslas charts and Blench curves are permitted. Note: No other charts, tables, codes are permitted in the Examination hall .If necessary the same shall be givenalong with the question paper by the question paper setter.

73