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HIGHWAY CONSTRUCTION PRACTICES
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 ...- In 2000, California packed 6,627 tons of shredded tires beneath Dixon Landing Road; the lightweight fill saved an estimated $477,000In Milpitas, California, an innovative on-ramp has been constructed using shredded tires as a lightweight fill material. This eco-friendly ...
- Clint Eastwood sold 280 acres of his California coastal property for $3.08 million in 1995 — The surprising conservation deal that helped keep Carmel land undevelopedClint Eastwood’s 1995 sale of roughly 280 acres of his California coastal property to Monterey County for $3.08 million became an important...
- Nepal floods: 20 years of satellite images reveal how a Himalayan river corridor became a disaster trapA 20-year comparison of satellite images shows how development transformed Nepal’s vulnerable Himalayan river corridor, with roads, bridges...
- In 2021, New York assessed Cannonsville Reservoir as impaired after a 7-foot culvert blocked fish passage. 2 years later, the new culvert scored 0.88 for aquatic passageA culvert replacement project in Delaware County, New York, addressed stream-flow, erosion, sediment, and fish-passage problems along an un...
- 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 2022, RMIT tested shredded masks, rubber gloves and isolation gowns in concrete; gloves raised strength by up to 22% and masks by up to 17%RMIT University researchers discovered shredded personal protective equipment strengthens concrete. Rubber gloves increased concrete streng...
- In 2021, RMIT tested shredded face masks with recycled concrete for road bases; 1 kilometer could use 3 million masks and divert 93 tonnes from landfillEngineers from Australia have introduced an innovative strategy for converting used face masks into construction materials for roads. This ...
- Rains Raksha in India may not be enough to fight $250 billion heat billExtreme heat poses a significant economic threat to India's workforce and GDP. Lost labor hours and reduced productivity impact both worker...
- In 2019, scientists tested a diaper-like superabsorbent polymer in lab-made asphalt samples; the water-storing material cooled the specimens by up to 12°CResearchers from China have pioneered a groundbreaking asphalt composite integrated with superabsorbent polymers aimed at cooling city envi...
- Arvind Panagariya pitches ‘special employment regions’ to build job-led citiesEconomist Arvind Panagariya suggests creating special employment regions in India. These regions would foster urban development and job cre...
- In 2017, Virginia sank up to 20,000 tons of a demolished bridge, creating a concrete haven for fish beneath Chesapeake BayIn Virginia's Chesapeake Bay, old bridge concrete finds a new purpose as it transforms into artificial reefs, creating vibrant habitats for...
- In 2022, Ireland built a pedestrian bridge from two wind-turbine blades that were too difficult to recycleOld wind turbine blades are now supporting a footbridge in County Cork, Ireland. These blades, retired after their operational life, offer ...
- Nitin Gadkari calls for stronger BRICS ties for sustainable and future-ready transport systemsUnion Minister for Road Transport and Highways, Nitin Gadkari, on Sunday called for deeper cooperation among BRICS nations to build transpo...
- Seven-fold rise in funds under externally aided projects in northeast under Modi government: Nirmala SitharamanChairing a conference on "Leveraging externally aided projects in the northeastern states" here, she said that assistance under the externa...
- Roads ministry seeks view of state governments, UTs on urban development along NHsIn a consultative meeting with all states and UTs on Wednesday, under the chairmanship of road transport and highways minister Nitin Gadkar...
- Road Ministry to seek technical guidance from IITsMinistry of road transport and highways has entered into an MoU with IIT Roorkee, IIT BHU, IIT Madras and Jawaharlal Nehru Technological Un...
- Road Ministry to construct 12,500 km of highways in FY24: Official"MoRTH has put plans in place to maintain the pace of highway development, with a strong pipeline of projects across the country. "For 2023...
- Union minister Nitin Gadkari stresses on ways to reduce use of cement, steel in road constructionAddressing an event virtually, Gadkari said the government is constructing 22 green highways and now India has the largest road network.
- NHAI signs MoU with IIT-Kharagpur to develop technology to construct maintenance free highways in IndiaIt has been experienced that these highways are prone to damage and need frequent maintenance due to adverse climatic conditions such as ra...
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