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.
Text of Design of Bandhara / Weir Dam gates using plastic materials_Design Directions_2010
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
Managing InnovationsCopyright 2010 14
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
Managing InnovationsCopyright 2010 20
Managing InnovationsCopyright 2010 21
Managing InnovationsCopyright 2010 22
Managing InnovationsCopyright 2010 23
Managing InnovationsCopyright 2010 24
Managing InnovationsCopyright 2010 25
Managing InnovationsCopyright 2010 26
Managing InnovationsCopyright 2010 27
Managing InnovationsCopyright 2010 28
Managing InnovationsCopyright 2010 29
Managing InnovationsCopyright 2010 30
Managing InnovationsCopyright 2010 31
Managing InnovationsCopyright 2010 32
Managing Innovationssecond prototypeMaterial of Construction: LLDPEGrade - Reliance LL 36 RA 045 UV Copyright 2010 33
Managing InnovationsCopyright 2010 34
Managing InnovationsCopyright 2010 35
Managing InnovationsCopyright 2010 36
Managing InnovationsCopyright 2010 37
Managing InnovationsCopyright 2010 38
Managing InnovationsCopyright 2010 39
Managing InnovationsCopyright 2010 40
Managing Innovationsmake things as simple as possible, but not simpler albert einstein Thank you www.designdirections.net Copyright 2010 41
