Gallery: Precast Concrete Bases Improve Wind Turbine Efficiency

 

Photo © Flickr DraconianRain

A recently-released report announced that the use of precast concrete bases can actually make wind turbines sturdier, more efficient, and less resource-intensive to produce. According to the Atlas CTB White Paper, the wider footprint of precast concrete bases adds stability to the foundation of wind turbines and can reduce the amount of concrete needed to install them by 60-70%. The precast bases also make it easier to raise taller turbines into more powerful winds, and their rapid construction time means that more turbines can be built.

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3 Comments

  1. Olson Kundig Designs Of... November 5, 2010 at 3:01 pm

    […] Kundig Architects’ 1,700 square-foot office addition was inspired by wind turbines — they deconstructed the turbine down to its main parts, which include sections of the tower […]

  2. thebackpacker October 11, 2010 at 9:45 pm

    Well it isn’t concrete per se that is responsible for the emissions you state, rather it is the production of Portland cement, obviously the base component of concrete.

    However these days it is common to use recycled materials such as fly ash (from coal fired power stations), blast slag (from steel furnaces) and silica fume (by-product of silicon alloy manufacture from coal/quartz), in cement. This reduces the amount of Portland cement in a mix, and thus reduces emissions. There have also been developments in producing cement that absorbs carbon dioxide from the atmosphere during hardening.

    This combined with the long service life of concrete, and excellent properties when well designed, would make concrete an exemplary choice to build wind towers.

  3. mkass September 8, 2010 at 5:29 pm

    One of the biggest problems with wind farms is still and will continue to be land use. More and more space will be needed and there will be push-back on this point. Getting the turbines much further up in the air could be a viable solution: http://organicconnectmag.com/wp/2009/12/from-war-machine-to-clean-energy/

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