Design of Bandhara / Weir Dam gates using plastic materials_Design Directions_2010
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An introduction to design of KT weir dams in materials that are more durable and lasting, that can replace the traditional MS materials being currently used.
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Design of Bandhara / Weir Dam gates using plastic materials_Design Directions_2010
- 1. Managing Innovations Managing Innovations Copyright 2010 1
- 2. Managing Innovations DESIGN DIRECTIONS helps companies realize their dreams we design products, graphics, interfaces and perceptions.. Copyright 2010 2
- 3. Managing Innovations KT WEIR Micro irrigation dams Copyright 2010 3
- 4. Managing Innovations Current scenario: • Govt Of India puts in lot of investment to build the micro dams such that farmers can get water for irrigation post the monsoon season and till the onset of next rains • Most of the gates get stolen (As MS has a good resale value) or they rust with in 2 to 3 years – there by loss to the Government and the farmers. • Max height of these dams is 5 mts. • These gates are removed just before monsoon and reinstalled after the season is over. Thus prone to theft in this period • Each gate is 2000 mm X 500 mm X 4 mm thick MS Plates • Weight of each gate is @ 84 Kgs • Very heavy and cumbersome to install • Prone to water leakage due to use of an old and faulty design Copyright 2010 4
- 5. Managing Innovations Objective: • To design the K T weir gates in a material which would last longer • Should be easy to install and idiot proof • Should have less value for resale • Should be available at a right price point • Should look interesting and attractive • Should instill confidence that the gates will work as desired Copyright 2010 5
- 6. Managing Innovations A typical KT bandhara or KT weir dam Copyright 2010 6
- 7. Managing Innovations Walkway above dam Water at upstream side Concrete dam Flow of water Downstream side Flow of water at the dam Copyright 2010 7
- 8. Managing Innovations Metal channel for aligning gate needles Metal needle Dam Dam opening seen from above Copyright 2010 8
- 9. Managing Innovations Downstream side Dam Metal Needle Direction of water pressure Upstream side A metal gate needle installed at a KT dam Copyright 2010 9
- 10. Managing Innovations Standard K T Weir Dam Seepage of water is a failure Copyright 2010 10
- 11. Managing Innovations Standard K T Weir Gates Copyright 2010 11
- 12. Managing Innovations Standard K T Weir Gates Seepage of water is a failure Copyright 2010 12
- 13. Managing Innovations Standard K T Weir Gate Rusting / Pitting Copyright 2010 13
- 15. Managing Innovations Standard K T Weir Gates Storage during monsoon Copyright 2010 15
- 16. Managing Innovations Standard K T Weir Gates Difficult to remove from channels due to use of cement Copyright 2010 16
- 17. Managing Innovations KT WEIR Micro irrigation dams Pictures of the first rotationally molded prototype Concept works…………………….. Copyright 2010 17
- 18. Managing Innovations Vertical channel Gate needle Sealing Water level rises after all gate needles are installed Maximum water head depends upon no. of gates needles installed Concrete dam (water head of 7.5 m / 15 gate needles is to be considered for design) Side view of the dam Copyright 2010 18
- 19. Managing Innovations Water pressure Rotomolded Gate needle (Design to be validated) Support surface @40mm Channel Water pressure loading on the needle Copyright 2010 19
- 33. Managing Innovations second prototype Material of Construction: LLDPE Grade - Reliance – LL 36 RA 045 UV Copyright 2010 33
- 41. Managing Innovations make things as simple as possible, but not simpler albert einstein Thank you www.designdirections.net Copyright 2010 41