As mountains of scrap tires continue to rise above the landscape, researchers at the University of Wisconsin-Madison have found an environmentally friendly use for them: grind them up and place the rubber bits beneath golf course greens.
In a paper accepted for publication in the journal Waste Management, the researchers show that these ground tires can absorb excess chemicals from fertilizers and pesticides, preventing them from leaching into groundwater and contaminating the surrounding environment.
Golf courses are designed to improve playability, not environmental impact, says Jae (Jim) Park, a professor of civil and environmental engineering at UW-Madison and an avid golfer with a 6 handicap. But, as an environmentally conscientious person, Park is also aware of the unintentional side effects of the fertilizers and pesticides applied to the golf-course greens to keep them looking, well, green. These products contain chemicals that trickle into groundwater sources and contaminate the surrounding environment, he says.
"Because many greens are built near groundwater levels or wetlands," explains Park, "it is vital to consider the mitigation of environmental contamination caused by the pesticides and fertilizers applied to golf courses."
Jae (Jim) Park | EurekAlert!
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Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.
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Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.
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At TU Wien, an alternative for resource intensive formwork for the construction of concrete domes was developed. It is now used in a test dome for the Austrian Federal Railways Infrastructure (ÖBB Infrastruktur).
Concrete shells are efficient structures, but not very resource efficient. The formwork for the construction of concrete domes alone requires a high amount of...
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