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.

Transcript of Design of Bandhara / Weir Dam gates using plastic materials_Design Directions_2010

  • Managing InnovationsManaging Innovations Copyright 2010 1
  • Managing InnovationsDESIGN DIRECTIONS helps companies realize their dreamswe design products, graphics, interfaces and perceptions.. Copyright 2010 2
  • Managing InnovationsKT WEIRMicro irrigation dams Copyright 2010 3
  • Managing InnovationsCurrent 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
  • Managing InnovationsObjective: 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
  • Managing InnovationsA typical KT bandhara or KT weir dam Copyright 2010 6
  • Managing Innovations Walkway above dam Water at upstream side Concrete dam Flow of water Downstream sideFlow of water at the dam Copyright 2010 7
  • Managing Innovations Metal channel for aligning gate needles Metal needle DamDam opening seen from above Copyright 2010 8
  • Managing Innovations Downstream side Dam Metal Needle Direction of water pressure Upstream sideA metal gate needle installed at a KT dam Copyright 2010 9
  • Managing InnovationsStandard K T Weir DamSeepage of water is a failure Copyright 2010 10
  • Managing InnovationsStandard K T Weir Gates Copyright 2010 11
  • Managing InnovationsStandard K T Weir GatesSeepage of water is a failure Copyright 2010 12
  • Managing InnovationsStandard K T Weir GateRusting / Pitting Copyright 2010 13
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  • Managing InnovationsStandard K T WeirGatesStorage duringmonsoon Copyright 2010 15
  • Managing InnovationsStandard K T WeirGatesDifficult to removefrom channels due touse of cement Copyright 2010 16
  • Managing InnovationsKT WEIRMicro irrigation damsPictures of the first rotationally moldedprototypeConcept works.. Copyright 2010 17
  • Managing InnovationsVertical channelGate needleSealing Water level rises after all gate needles are installed Maximum water head depends upon no. of gates needles installedConcrete dam (water head of 7.5 m / 15 gate needles is to be considered for design) Side view of the dam Copyright 2010 18
  • Managing Innovations Water pressure Rotomolded Gate needle (Design to be validated) Support surface @40mmChannel Water pressure loading on the needle Copyright 2010 19
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  • Managing Innovationssecond prototypeMaterial of Construction: LLDPEGrade - Reliance LL 36 RA 045 UV Copyright 2010 33
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  • Managing Innovationsmake things as simple as possible, but not simpler albert einstein Thank you www.designdirections.net Copyright 2010 41