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RECYCLED CONSTRUCTION MATERIALS
In Burgos, Spain, engineers turned steelmaking waste into full-size pavement slabs; five years outdoors caused no major damage, and skid resistance stayed road-safe- In 2022, Miami sank 345 tons of concrete from a demolished waterfront pier instead of dumping it; the rubble became a reef rising 8 feet from the seafloor
- In 1991, Minnesota mixed factory-made shingle scrap into Highway 25 near Mayer; by late 1995, the asphalt performed at least as well as control sections
- Sarawak uses nearly 400 kg of plastic waste to build its first green asphalt roadSarawak has built a 100-metre green asphalt road at the CENTEXS Lawas campus using nearly 400 kg of plastic waste collected across Malaysia...24 Oct, 2026, 04.12 AM IST
- In 1979, Minnesota began mixing ground-up scrap tires into two asphalt test roads; years later, FHWA said both experimental sections were still performing wellIn Minnesota, a trial was conducted to explore the use of recycled tire rubber for enhancing roadway performance in winter. Utilizing PlusR...22 Oct, 2026, 07.15 PM IST
- China export ban hits tungsten, crucial metal for defence, industryTungsten prices have reached record highs since China imposed export restrictions in mid-2025. Manufacturers are now forced to explore alte...21 Oct, 2026, 06.52 PM IST
- In 2018, Delaware dug about 1 million tons of rock from a shipping channel and put it underwater instead of discarding it; The new reefs became rich blue-mussel habitatDelaware has successfully transformed dredged rock from a shipping channel into underwater habitats for marine species. This innovative app...21 Oct, 2026, 04.30 PM IST
- Since 2010, Maryland has reclaimed 308,500 bushels of discarded oyster shells for Chesapeake Bay restoration; its wider effort has planted billions of oystersMaryland has repurposed over 300,000 bushels of used oyster shells since 2010, creating essential habitats for the growth of young oysters ...21 Oct, 2026, 04.00 PM IST
- In 2004, Florida researchers attached 36 recycled oyster shells to each reef mat; restored Mosquito Lagoon reefs later reached about 1,000 live oysters per m²Researchers along Florida’s Atlantic coast are using recycled oyster shells to restore damaged oyster habitats. Restoration mats that inclu...21 Oct, 2026, 03.50 PM IST
- In 1987, Kentucky put 40% power-plant bottom ash into 1 mile of State Route 3; later testing found excellent performance and strong skid resistance on the roadEngineers in Kentucky embarked on a pioneering project to incorporate bottom ash from coal-fired power plants into asphalt mixtures. Their ...20 Oct, 2026, 03.50 PM IST
- UltraTech commissions Rs 2,650 crore cement plant in Andhra Pradesh in 14 monthsThe integrated cement plant, located in Petnikota village in Kolimigundla mandal in the Rayalaseema region, has a clinkerisation capacity o...19 Oct, 2026, 08.29 PM IST
- In 1995, New York turned discarded milk jugs and detergent bottles into a pier deck; 2 years later, the recycled plastic had held its key engineering propertiesThe 1990s marked the beginning of an intriguing investigation into recycled plastic lumber as a robust replacement for timber. Crafted chie...19 Oct, 2026, 03.50 PM IST
- Can old wind turbine blades become power poles? Researchers found one major problemResearchers tested a 5.5-meter section of a retired wind turbine blade as a prototype power pole, exploring a potential new use for composi...16 Oct, 2026, 11.57 PM IST
- About two-thirds of Indian companies are at or near their AI goals: Autodesk reportThe fourth edition of the annual survey covered 462 respondents in India across architecture, engineering, construction and operations, des...15 Oct, 2026, 11.04 PM IST
- In 1986, Illinois rebuilt 4.14 miles of I-57 using recycled concrete; 20 years later, load transfer efficiency across transverse cracks still averaged over 90%In the 1980s, the Illinois Department of Transportation pioneered a project that involved recycling roadway concrete into new pavement. Aft...14 Oct, 2026, 06.40 PM IST
- Jamestown bought Atlanta’s former Sears building for $27 million. Here’s how it became Ponce City MarketJamestown bought Atlanta’s former Sears building for $27 million in 2011 and transformed the 2.1-million-square-foot property into Ponce Ci...12 Oct, 2026, 06.30 PM IST
- In 2019, a South African town opened Africa's first plastic road, the 300-metre stretch contains 700 kg of recycled plasticThe road was constructed using a special process in which waste plastic was converted into pellets before being added to the asphalt mixtur...09 Oct, 2026, 10.47 PM IST
- Denmark turned a retired wind turbine blade into a bicycle shelter in 2019; 7 years later, it remains a model for circular urban designA wind turbine blade is built to withstand strong winds and generate electricity for years. But what happens when it reaches the end of its...09 Oct, 2026, 10.17 PM IST
- Ireland turns retired wind turbine blades into bridges and furniture. How Kilrush is giving renewable energy waste a second lifeIn Kilrush, County Clare, retired wind turbine blades are transformed into public infrastructure such as a pedestrian bridge. This project,...08 Oct, 2026, 11.04 PM IST
- In 1990, Switzerland crushed an old A13 road and reused 66% to 100% of it in new concrete; 20 years later, every recycled test mix was still rated good or very goodNew research highlights the impressive durability of Swiss highways built with recycled concrete over several decades. The A13 motorway too...04 Oct, 2026, 01.20 PM IST
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