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CEMENT REPLACEMENT
In 2022, a Washington State lab study replaced 20% of cement with recycled glass powder; 56-day strength rose 19% with steel milling, while surface resistivity improved 150% with ceramic millingWashington State University engineers are testing recycled glass powder as a cement substitute. This waste material could potentially impro...
New York is building a $21.2 million bridge with recycled glass, 106 tons of waste will become part of the concreteA bridge project in New York is pioneering the use of recycled glass in its concrete mix. This groundbreaking technique not only keeps wast...
BRICS at a crossroads: Why India's chairship must turn diversity into strengthBRICS, with its expanded membership, aims to strengthen multilateralism and global dialogue. The group seeks to convert economic complement...
In US, a Missouri facility shreds up to 3,000 retired wind-turbine blades a year; the waste is reused in cement productionIn Missouri, retired wind turbine blades, known for their complex composite makeup, are being creatively repurposed. These enormous blades ...
Colorado rebuilt part of US 24 by reconditioning its old asphalt in place; the $5.7 million project avoided hauling in more than 40,000 tons of new baseColorado has made strides in sustainable road maintenance with the successful recycling of old asphalt on US Highway 24. By saving over 40,...
In 1947, Frank Sinatra commissioned Twin Palms in Palm Springs; 64 years later, the glass-walled desert home was designated a Class 1 Historic SiteIn 1947, music legend Frank Sinatra enlisted architect E. Stewart Williams to create his desert retreat, resulting in the stunning Twin Pal...
In 1972, Illinois built a highway embankment with 246,000 cubic yards of coal ash. It’s still holding up even after 50 yearsIn 1972, a groundbreaking highway project in Illinois incorporated coal fly ash as a structural fill, challenging traditional practices. Th...
In 1980, New Jersey reused 14,000 tons of milled U.S. 1 asphalt for U.S. 130 shoulders, saving $50,346 and 12,753 tons of virgin stoneNew Jersey's engineering team successfully transformed milled road surfaces into functional highway shoulders, achieving significant saving...
In 2009, Illinois used 38,881 tons of fly ash in highway construction; IDOT reported spending $1.75 million while reducing landfill use and cement demandIllinois highways are increasingly integrating fly ash, a byproduct of coal combustion, as a sustainable option for road construction. This...
In 2020, Southwest University researchers treated rice husks with acid and burned them into ash; replacing 10% of cement with the ash increased compressive strength by 16.22% after 56 daysChinese researchers have found a way to strengthen cement using burnt rice husks. This agricultural waste, when treated and added, signific...
In 2022, researchers studied sugarcane bagasse ash as a partial cement substitute; lower replacement levels showed better mechanical performance in concreteResearchers are investigating the potential of sugarcane bagasse ash as a sustainable alternative for concrete production. Rich in silica, ...
In 2023, researchers crushed discarded coconut shells into aggregate substitutes, replacing 10% of coarse aggregate produced 34.8 N/mm² concrete strengthCoconut shells offer a sustainable alternative to gravel in concrete construction. Studies show replacing ten percent of coarse aggregate w...
A PhD student used shredded baby diapers in a prototype Indonesian house; 27% of its non-structural concrete blocks contained diaper waste, totaling about 3,700 poundsAn extraordinary house in Indonesia has creatively utilized nearly 3,700 pounds of discarded diapers. This unique construction method incor...
Apple’s 2,275% gain under Tim Cook is a tough act for John Ternus to followApple CEO Tim Cook has handed over the reins to John Ternus after a 15-year tenure that transformed Apple into a $4.6 trillion company. The...
When volatility rises, will you panic or buy? Depends on the watchlist you build now: 5 large-cap stocks with upside potential of up to 32%Another worry has emerged for the markets, and it will drive the narrative in the short term. As usual, it comes from the US. The US Fed ha...
UAE has turned desert sand into construction bricks using a new eco-friendly method developed by scientists that doesn't need additional heat to harden and could reduce cement importsResearchers in the UAE have developed construction bricks using abundant desert sand and alkali-activated binders instead of conventional P...
In a 2019 concrete study, replacing up to 30% of sand with waste tyre rubber increased impact resistance but reduced compressive strengthUtilizing discarded tyres in concrete significantly improves impact resistance. The incorporation of rubber allows structures to flex rathe...
In a 2015 Deakin University study, crushed waste glass replaced 30% of concrete sand; after 28 days, the recycled mix was 6% stronger than conventional concreteAustralian researchers found that crushed glass strengthens concrete mixtures effectively. Replacing sand with up to thirty percent recycle...
In an Australian study, waste glass replaced up to 60% of river sand in concrete; the recycled mix gained strength and resisted chloride penetrationEngineers in Australia have found that substituting sand with waste glass in concrete mixes can be beneficial. By using up to sixty percent...
In 2019, Sydney replaced part of a busy road with concrete made from industrial waste. Five years later, the experiment had a surprising resultA road trial in Sydney tested the durability of concrete created from industrial waste, revealing impressive results. The geopolymer concre...