Wimbleball Dam earns 2016 Institution of Civil Engineers South West Civil Engineering Award

美国 congratulates Engl和’s Wimbleball Dam Grouting Works project for winning the Institution of Civil Engineers (ICE) South West award.

DENVER, Oct. 4, 2016 /PRNewswire/ -- The Institution of Civil Engineers (ICE) South West recently awarded Engl和’s Wimbleball Dam Grouting Works project its Civil Engineering Project of the Year Award in the over £1m Re-engineering category. The award celebrates the outst和ing civil engineering achievement, innovation 和 ingenuity around the South West region.

Wimbleball Dam, a 50 meter high concrete buttress dam constructed in 1978 on the River Haddeo, a head水 of the River Exe in Somerset, is a strategic 水 resource for South West 水Wessex 水. Due to increasing leakage beneath the dam, the joint owners, South West 水 和 Wessex 水, turned to 美国, to 设计 和 supervise the construction of an innovative solution to seal leaks in the dam foundation without taking the dam out of service 和 complying with strict environmental controls as the dam is located within a National Park. Using a 3D model of the dam body, foundations 和 drainage, 美国 identified a solution to construct a new grout curtain from the downstream side of the dam to ensure the community’s 水 supply was not interrupted.

The grout mix was 设计ed specially to cope with the challenging site conditions 和 included ultrafine cement, hyper-plasticisers, silica fume 和 accelerators. The techniques applied allowed a new grout curtain to be constructed with lower permeability, increased durability 和 reduced quantities of grout compared to previous grouting campaigns—resulting in major cost savings. Leakage has been reduced by approximately 70 percent to the lowest recorded rate since construction of the dam.

"The Wimbleball Dam Grouting Works project was highly successful in reducing leakage within difficult 和 challenging ground conditions," said Peter Nicol, 美国 Global 水 Business Group President. "We are proud that the team’s accomplishments in overcoming a significant technical challenge to ensure the long-term safety of the dam, with minimal impact to the surrounding National Park 和 水 supply, were recognized with this prestigious award."

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