tw rcc dams display
DESCRIPTION
Ted Warren offers an example of RCC dam construction in his poster display featuring 7 projects he has been involved with. he can be contacted at [email protected] for further information and assistance in providing RCC expertiseTRANSCRIPT
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Various applications of international RCC dam construction
By: Ted Warren USA
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Al Wehdah RCC dam Jordan/Syria
• Medium paste RCC 60C/60A
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103 Al Wehdah RCC dam nearing completion of RCC
• 6th fastest RCC dam constructed worldwide when completed
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Conveyor layout Al Wehdah RCC Dam Jordan/Syria
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Al Wehdah under construction 2005-2006
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• Simple installation process• Less capital costs = Alliance asset and can be sold for
various uses in the mining and quarrying industry
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Conveyor Configuration
C5C4
C3
C2
C1
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Conveyor sections removed as the dam rises
C1
C2 Swinger
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RCC delivery system• 350 m overland conveyor with integrated stepped sectional conveyor tranfers with swinger discharge conveyor for loading haul trucks on the fill
• Simple system used worldwide successfully for RCC dam construction
• This system was used on 8 of the top 10 fasted constructed RCC dams in the world (MDA database) with placement rates ranging from 52,000 m3 per month to 125,000 m3 per month
• Al Wehdah Dam was the 6th fastest RCC Dam constructed with an average monthly rate of 75,000 m3/ month of the 360 RCC dams completed world wide. (MDA database)
• Access walkways for safety, continuous maintenance ,and inspection purposes without an interruption to the RCC operation while in production
• Simply mechanical system = Less down time
• Wider conveyor = less speed = less segregation and less maintenance
• Less up front Capital = better value for money
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Al Wehdah complete
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155 m tal Ralco RCC dam Chile
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All conveyor RCC delivery system
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155 m Ralco Dam Chile
RCC placement 24 hrs5 th fastest RCC dam constructed worldwide when completed
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• I.6 million m3 RCC
• Main conveyor with transfer to feed link conveyor combined with a tripper conveyor and Crawler Placer system on the fill
• Trucks were loaded on the fill directly from main conveyor when the complex system used for placement on the dam was being installed and during down time.
• This system is very effective for large and extremely complicated RCC dams generally over 1 million m3.
•
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Ralco nearing completion
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GERCC application
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Mc Alpine RCC/CVC Navigation lock USA
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Yeywa Hydropower project Myanmar/Burma
• 134 m tall• 2.34 million m3 RCC• 790 MW hydropower scheme• Non Gated OGEE spillway• Converging spillway chute with “ski jump”
and plunge pool discharge
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Yeywa RCC Dam Myanmar ?Burma
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Yeywa dam nearing completion
• Powerhouse under construction• Headrace penstocks for powerhouse
intake
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Dong Nai 4 Vietnam
• 130 m tall• Hydropower project• 1.3 million m3 RCC
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Dong Nai 4 RCC startup
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Don Nai 3 Vietnam
• 103 m tall• 1.01 million m3 RCC
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Prepared by: Ted Warren RCC consultant USA partial listing of RCC projects
• Contact information: [email protected]• Phone: USA + 001 210 845 7648• International consulting worldwide• 20 years RCC dam construction experience in 8
countries on 5 continents• International research and feasibility studies• Estimating services