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IN PLACE CONCRETE RECYCLING
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,...
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 ...
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 1995, Florida sank three F-106 jets off Bay County; later surveys found reef fish and greater amberjack around the aircraftIn an innovative effort to bolster marine life, retired fighter jets are strategically submerged off the coast of Florida, transforming int...
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 2022, Duke students shredded and melted plastics 1, 2, 4 and 5 into bricks; a $248.84 setup produced blocks holding over 5,000 N in compression testsStudents at Duke University embarked on an innovative project, transforming everyday household plastic waste into strong building bricks. T...
Miami researchers tested concrete that replaced sand with leaded CRT glass; a biopolymer helped limit lead leaching before durability damage raised concernsResearchers explored using toxic CRT glass in concrete mixtures. This hazardous waste contains significant amounts of lead, posing environm...
A 1994 study placed tire reefs in concrete canals in California and Arizona; invertebrate densities tripled, and fish densities rose 20-fold near reefsConcrete canals, while conserving water, harmed aquatic ecosystems. Researchers tested old tires to create habitats for canal wildlife. Inv...
In 2024, researchers tested crushed waste concrete as a base for Chesapeake oyster reefs; oyster spat grew and survived with no detectable hydrocarbon leachingIn the Chesapeake Bay, recycled concrete rubble is proving to be a nursery for young oysters. Scientists have discovered that this crushed ...
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 ...
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...
In 2021, Alabama started turning discarded Christmas trees into sand dunes: How old festive trees are now helping protect Gulf Coast beachesChristmas trees that were once the focal point of holiday celebrations are now playing a vital role in rebuilding sand dunes along Alabama'...
Along a 27-mile ring road, 8 million plants are climbing 2,000 concrete columns, fed by recycled rainwater from the road above, turning 15 acres of dead infrastructure into vertical gardens seen by driversEight million plants now grow on concrete columns along a ring road. These vertical gardens utilize hydroponic felt pouches and recycled ma...
Britain used discarded seafood waste and engineered reef habitats to solve the collapse of native oyster ecosystems; the result transformed lifeless seabeds into thriving underwater habitats capable of supporting oysters, fish, and countless marine speciesBritain is deploying concrete reef cubes and scallop shells to revive native oyster populations. These structures aim to provide essential ...
In 1990, U.S. conservationists repurposed thousands of discarded Christmas trees to slow coastal erosion. Thirty-six years later, the unusual experiment produced thriving wetlands, healthier wildlife habitats, and stronger natural defenses against stormsHow Recycled Christmas Trees Are Saving Louisiana’s Coastline: Louisiana has lost over 2,000 square miles of coastline since the 1930s. But...
In 1970, US dumped 2 million tires into the ocean; a plan to save marine life turned into one of the biggest environmental blundersIn 1972, more than 2 million old tires were dumped into the Atlantic Ocean off Florida. The goal was simple. Create an artificial reef and ...
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 ...
No bricks, glass or steel: Bengaluru man transforms 10 acres of dry land into an eco-friendly forest retreat. About 20 km from Kanha National Park, this award-winning stay is built from mud walls, terracotta tiles and bambooBengaluru travel enthusiast Ankit Rastogi transformed 10 acres of barren land into a thriving forest. This eco-estate, Surwahi Social Ecoes...
Types of concrete: Which type of concrete would be most suitable for your building or construction activity?Concrete is manufactured using natural ingredients. Hence, it is environmentally friendly and recyclable.
Delhi Metro to recycle waste, earn from itDMRC is expected to earn Rs 37 lakh per quarter for providing the land and the waste.