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ROAD CONSTRUCTION TECHNIQUES
In 2020, Australia built more than 90% of a road project from recycled waste; five million bottles went into a job that cost no more than a standard buildIn 2020, Australia built more than 90% of a road project from recycled waste; five million bottles were used in a Central Coast Council pro...- In 2024, engineers turned 140,000 coffees’ worth of used grounds into concrete; the 30-cubic-metre footpath saved more than 3 tons of sandCoffee concrete: Spent coffee grounds were transformed into biochar for a Pakenham footpath project. This innovation replaced river sand, d...
- 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...
- In 2024, Michigan Tech mixed 6% treated waste glass into asphalt; dynamic stability rose 42.3%, and anti-skid performance improved 38.6% over standard mixesResearchers at Michigan Technological University have discovered an innovative way to utilize waste glass in paving roads. Their findings r...
- Global warming: From Nepal to Assam to Kerala, nature’s fury is colliding with unchecked developmentThe Himalayan region is facing increasingly frequent and unpredictable extreme weather, with glacier collapses, flash floods and landslides...
- 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 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...
- In 2026, Texas engineers mixed 4.5 tons of waste plastic into nearly a mile of road; the recycled material replaced 8% to 10% of petroleum-based bitumenInnovative researchers are pioneering the use of recycled plastic to improve the durability of asphalt roads. By substituting a portion of ...
- Phoenix swapped black asphalt for a reflective road coating; noon surface heat fell 12°F, but pedestrians faced higher radiant heatIn an effort to lower urban heat, Phoenix tested innovative reflective pavement coatings on its roads, revealing that treated asphalt kept ...
- Those little rubber hairs on a brand-new tire aren’t for extra grip; they’re by-products of the moulding process and have no intended role in drivingWhen you purchase a new tyre, you may notice fine rubber strands known as vent spews. These are merely remnants from the tyre production pr...
- In 2006, engineers reused 250,000 cubic yards of dredged sand to restore Elders Point East in Jamaica Bay. 10 years later, the approach had restored 40 acres of wetlands and helped reverse marsh-island erosionA New York Harbor dredging project became an opportunity to restore Jamaica Bay’s declining marsh islands. Beginning in 2006, the U.S. Army...
- Divers found the only known surviving German boat of its class; it had spent nearly 83 years hidden 315 feet beneath the Ionian SeaA long-forgotten German warship, the LS 6, has been discovered underwater off Greece. This unique vessel, built by an aircraft manufacturer...
- Manohar Parrikar asks Border Roads Organisation to incorporate latest technologiesParrikar said construction materials which behave normal in plain areas may not be conducive in the extreme cold climate of high altitude a...
- India and US agree to enhance cooperation in port developmentThe Sagarmala project with 150 projects have potential of mobilising $50-60 Billion of infrastructure investment and another $100 Billion o...
- Nitin Gadkari to inaugurate Indian Road Congress in IndoreNearly 2,000 representatives from road construction companies will take part in a conference beginning here tomorrow that will deliberate o...
- Under RRP-II, government to build 7294-km roads in naxal-hit areasGovt will build 7294 kms of roads in naxal-affected areas of the country with the cost of over Rs 10,000 cr, Nitin Gadkari said.
- Road Min to use modern techniques in highway projectsIt has decided to use new materials and techniques in highway projects on experimental basis to promote innovation in construction of roads.
- New construction techniques must be adopted for long lasting roads & infrastructure: Rajender Singh Rana, MinisterHe said that most engineers were lax in carrying out maintainence work in their area which means that roads or buildings which could be spr...
- L&T bags Rs 287.37 cr contract from MMRDALarsen & Toubro has secured Rs 287.37 crore design and build contract from Mumbai Metropolitan Region Development Authority for constructio...
- WB to provide Rs 1,406 cr for Orissa roadsThe World Bank has agreed to provide Rs 1,406 crore as assistance for implementation of a Rs 2,121 crore Orissa State Roads Project (OSRP),...
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