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FOUNDRY SAND HIGHWAY CONSTRUCTION
In 1990, Waupaca Foundry supplied 20,000 tons of used sand for a Wisconsin highway pilot project. 12 years later, its next contract called for 80,000 tons for Highway 10- In 2025, Nebraska put two million plastic bags into a 4,000-foot road; it became the state’s first recycled-plastic road
- In 2024, Arizona engineers used 100% recycled glass to widen 23 miles of Interstate 17 at 19 sites, protecting concrete culverts built for a narrower highway
- Science says your footsteps can make beach sand sing: What happens between millions of grainsWhen you drag your foot across sand that produces a squeaking sound, you create a shearing force across thousands or even millions of indiv...07 Sep, 2026, 03.02 PM IST
- A Nigerian engineer built his first model house with 14,800 sand-filled plastic bottles; the experiment later grew into 15 houses, including a five-bedroom duplexNigerian engineer Yahaya Ahmed is building homes using thousands of discarded plastic bottles. His initiative has constructed up to fifteen...05 Sep, 2026, 04.31 PM IST
- US family buys 120-year-old abandoned railroad car for 3000 dollars. Once home to 20 feral cats, the accommodation now rents for 350 dollars per nightA forgotten 1906 train car was transformed into a unique Airbnb. The US family purchased the dilapidated carriage for three thousand dollar...05 Sep, 2026, 04.25 PM IST
- 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,...05 Sep, 2026, 02.40 PM IST
- Arkansas recycled old I-30 concrete in place, avoiding more than 95,000 tons of new stone and about $15,000 in truck fuelArkansas has made strides in sustainable development by recycling old concrete on Interstate 30 near Little Rock. The innovative technique ...05 Sep, 2026, 02.30 PM IST
- In 2011, Colorado reused 134,000 tons of old asphalt in highway mixes; CDOT estimated the recycled material saved the state about $1.6 millionColorado's innovative approach to roadway construction has resulted in significant savings, repurposing old asphalt in new projects. By emb...05 Sep, 2026, 02.20 PM IST
- Curing our broken, disturbing roads: NHAI mandates AI-based machine control for highway projectsNHAI mandates AI-based machine control for highway construction projects. This technology uses sensors and real-time data for precise road ...04 Sep, 2026, 11.10 PM IST
- 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...04 Sep, 2026, 09.46 PM IST
- Nearly 300 tonnes of unwanted glass were headed for the landfill. Idaho used them to build a highway instead and solved a local landfill crisisEngineers have ingeniously repurposed discarded glass as a foundation material for highways, utilizing around 300 tonnes of crushed glass c...04 Sep, 2026, 07.00 PM IST
- In 2009, Illinois used an estimated 284,715 tons of recycled concrete material in highway construction; IDOT spent about $3.18 million on the material for embankments, bases, and subbasesIn Illinois, the innovative approach of repurposing aged concrete for highway projects is not just cost-effective but also environmentally ...04 Sep, 2026, 02.10 PM IST
- 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...02 Sep, 2026, 01.40 PM IST
- Science says sand isn’t always made from rocks: Some beaches are built from the remains of living thingsThe next time you stroll along a white tropical beach, remember that the sand beneath your feet may have a far more complex origin than ero...01 Sep, 2026, 02.54 PM IST
- In Maine, engineers turn about 1 million scrap tires a year into lightweight highway fill; the shredded rubber stabilizes embankments built on weak marine clayInnovatively transforming shredded tyres into construction materials for highway embankments, Maine tackled substantial waste tyre pileup w...31 Aug, 2026, 02.25 PM IST
- NHAI's new AI rule for pothole-free, top-quality highways: How projects above Rs 500 crore will now have to use AI-powered machines to prevent quality shortcutsNHAI has mandated the use of automated construction technology for major highway projects. The technology will be deployed across key layer...31 Aug, 2026, 11.28 AM IST
- 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...28 Aug, 2026, 03.35 PM IST
- 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...28 Aug, 2026, 02.20 PM IST
- 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...28 Aug, 2026, 02.10 PM IST
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