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 | The Right Mix
One of the recent major challenges for the construction industry has been to find a method or material that combines aesthetic versatility and durability with due consideration of the environment. Precast concrete has surfaced as a strong and versatile green product that has been used in construction for decades.
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 | Integrated Concrete Upgrade
Giving a school a facelift in south Florida has to make both economic and green sense, even during hurricane season. When the school district in Broward County decided to add 50,000 square feet to Blanche Ely High School, it had several concerns regarding the impact of construction, pinpointing sustainable approaches to buildings, hurricane resistance and the ability to relocate the square footage.
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 | Green Material v. Legislation
What could sound better in a fire-plagued state like California than the use of masonry material that can withstand a 2,000-degree fire for four hours? Deemed by some to be the best building material in the world, autoclaved aerated concrete (AAC) is a virtually fire-resistant masonry material comprised of sand, water, lime, portland cement and aluminum powder and cured in an autoclave. AAC is not just some hot new thing, but instead has been used in Europe for more than 70 years.
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 | Student Design Competition Encourages Innovation
The third annual “Concrete Thinking for a Sustainable World” student design competition, co-sponsored by Portland Cement Association (PCA) along with the National Ready Mixed Concrete Association (NRMCA) and administered by Association of Collegiate School of Architecture (ACSA), is just one way the concrete industry is working to inspire students to embrace sustainable design.
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| Pervious Pavement Spreads as Solution
One of the most pressing concerns for city planners today is stormwater. In some cities, new regulations dictate the management of stormwater from the minute the first raindrop falls; Chicago, one of the U.S. cities at the forefront of the sustainable movement, enacted a new stormwater management ordinance this year that requires any regulated development to have a city-approved plan in place that manages the rate and volume of runoff, among other things.
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| Recycled Resources
The use of recycled materials is not new in the concrete industry, but in the past some contractors have downplayed its inclusion because of (mistakenly) perceived lower value. That time is gone, says Jason Buesing, president of ReCrete Materials, Inc. His company, along with its affiliate, Recycled Materials Company, is setting new standards for use of recycled materials in concrete.
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| Growing Benefits While Shrinking Footprints
“Avoid disposal of material that would otherwise end
up in a landfill.”
That’s a primary goal in using alternative fuels and materials for the
manufacture of cement, and according to Andy O’Hare, vice president of
regulatory affairs for the Portland Cement Association (PCA), the cement
industry is making huge strides toward maximizing this practice.
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| Energy and Environment- Concrete at its Core
It might be materials that build the world, but
today the design and construction industry is turning its gaze upon energy
efficiency, the measure by which all new structures are now appraised as part
of the evolving sustainability movement. If the greenest materials around don’t
result in a low-energy structure, why build with them?
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