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Project rubber dam ppt

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A detailed project on Rubber Dam

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Project rubber dam ppt

  1. 1. Bhagwan Mahavir Polytechnic Civil Department Vinith Pillai Virat Fumakia Nisarg Joshi Maulik Gamit Ankit Desai Project Guide : Mr. Vishal Radadiya
  2. 2. RUBBER DAM
  3. 3. What is Rubber Dam?  The Rubber dam is relatively recent technological break-through.  Rubber dams are placed across channel, stream and weir crest to increase the upstream water level when inflated and because of that rubber dams are also called as inflatable dams.  The dams are tubes which are made of rubberized material. Concrete structure Rubber dam Anchoring
  4. 4. Composite joining sheets used in Rubber Dam.
  5. 5. Construction & Membrane design  An inflatable rubber dam is basically an envelope formed from a fabric reinforced rubber membrane which is anchored to a concrete foundation.  Membranes are designed and constructed to meet the individual requirements of each installation.  The correct cross section of construction materials and correct manufacturing techniques maximizes the reliability and service life of the rubber dam
  6. 6. This is How Rubber dam looks like..!
  7. 7. Why Rubber Dam ? • Better control of flood and draught, through watershed due to automatic inflation and deflation mechanism. • Increase per capita storage capacity and water use efficiency. • Easy installation. • Reduction of soil erosion. • Ground Recharging.
  8. 8. Built up cost Lower investment, cost about 40% than the conventional gated regulating structure.
  9. 9. Cost Considerations. Construction cost is mainly divided into two parts as follows:  Designing of the rubber dam, including dam body and related operating system.  Manufacturing and installation. The construction varies with the width of dam.
  10. 10. INFLATION AND DEFLATION PHENOMENON OF RUBBER DAM  To undertake design & development of rubber composites and process for making rubber dams.  To design and develop different  components of rubber dam.  To develop and validate rubber dams.
  11. 11. FIRST INDIGENIZED MODEL RUBBER DAM PROTOTYPE (MRDP) DEVELOPED AT IRMRA(Indian Rubber Manufacturers Resource Association)
  12. 12. Anchorage Design To form rubber dam the membrane is anchored to the foundations or weir. Rubber dams are secured to the concrete foundation using a single or dual row of clamping plates. These plates are attached to anchor bolts which are either cast into new foundations or embedded into existing foundations.
  13. 13. Rubber Dam control systems  The control system depends on the customer’s specific requirements and choice of either an air filled or water filled rubber dam.  There are various control systems available ranging from simple manual control of inflation and deflation to advanced control of the upstream water level within a tight range.  Options for automatic control include :- (A) Electrical automatic deflation (B) Mechanical automatic deflation (C)Bag pressure control
  14. 14. Rubber used in the construction  Natural Rubber, SBR blend is selected as a best cover compound in terms of physical properties.  Nylon-6 fabric gives better adhesion than Nylon 66 and Polyester fabric.  Weaving pattern & gram per square meter (gsm) of fabric also play important role for adhesion & strength of composite.  Gsm of the treated fabric is optimized to get specified strength, adhesion and flexibility of composite material.
  15. 15. Purposes of Rubber Dam  It can be used as a system of flood control.  It can be used for creating recreational lakes without environmental restrictions.  It can be also used in power generation for small industries.  In case of repairing other dam, it can used for diverting the water, because it can be quickly installed.  It can be used as water reservoir also in rural area as it is very economical.
  16. 16. Future projects in India. The First Rubber dam in India will be built across the Bharatapuzha in Kerala. A contract to this effect has been signed by the public sector steel industries Kerala limited(silk). Studies have confirmed that low cost rubber dams would be suitable for Kerala's river such as Bharatapuzha and periyar
  17. 17. Conclusion • Rubber Dam is an innovative technology, which can be used profitably for various purposes such as : 1) Water Parks 2) Flood Control 3) Diversion for Building main Dam 4) Repairs of Dams 5) Small Power plants 6)Rural water supply
  18. 18. Thank You

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