Design of Head Works and Canal Structures - Learning Objectives and Evaluation

This course covers the design concepts, principles, methods, and procedures related to the design of irrigation head works and canal structures. Topics include irrigation network layout, diversion head works design, seepage analysis methods, protection works, canal profile design, canal head regulation structures, cross drainage structures, and more. The evaluation consists of four assignments and a final exam. Taught by Dr. Yilma Seleshi.

• Irrigation
• Canal Structures
• Design Concepts
• Seepage Analysis
• Hydraulics

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1. CENG 6605 - Design of head works and canal structures / former Hydraulic Structure II Learning Objective: To teach design concepts, principles, method and procedures of irrigation head works and canal structures . Topic 1- Irrigation network layout- canal profile design. Garge 65 2- Diversion head works design(Garge Pg 521-, P553-, Baban P99-). - Introduction: Weir and barrage; gravity and non-gravity weir; layout of diversion head works and its components. -Method of seepage analysis: Bligh s creep theory, lanes weighted creep theory, Khosla method -Protection works for the structures (Baban 120 p) Lecture I, Dr Yilma Seleshi 1

2. CENG 6605 - Design of head works and canal structures / former Hydraulic Structure II , Table of Contents: CENG 6606 - Hydraulic Structures II [3] 3- Canal head regulation structure: water and sediment control. (USBR, Baban, p73, Garge P684) -Water profile upstream of the weir -Determination tail-water depth -Flow though sluice gates -Flow between piers -Canal head regulators (open intake and culverts) pg 84 Baban -Canal drop structures, canal chute, division box, turnouts, canal spill -Design of sediment control Lecture I, Dr Yilma Seleshi 2

3. CENG 6605 - Design of head works and canal structures / former Hydraulic Structure II Table of Contents: 4- Cross drainage structures. USBR, Garge P720 -Type of CD structures (includes bridges, culverts); software practice -Design consideration for cross drainage work with example -Provision of joints and water bars (reading). 5. Irrigation drainage system (runoff & seepage) Supporting material -Design of diversion weirs, small scale irrigation in hot climate. Rozgar Baban 1995. -Design of small canal structures, USBR, 1978. -Irrigation engineering and hydraulic structures, S. Garge, 2006. Lecture I, Dr Yilma Seleshi 3

4. CENG 6605 - Design of head works and canal structures / former Hydraulic Structure II -Evaluation: -Four assignments (group four people together) with oral exam 40% -Final exam 60% Lecture I, Dr Yilma Seleshi 4