Steel Slag Aggregate Cuts Pavement Heat While Meeting Strength Targets
Steelmaking slag can fully replace natural aggregates in pavement concrete while meeting flexural strength targets and cutting peak surface temperatures ...
Tag: sustainable construction
Machine learning model predicts strength of rice husk ash concrete
A machine-learning framework trained on published experimental data predicts the compressive strength of rice husk ash concrete, with a support ...
Rice husk ash and basalt mesh team up to strengthen weak soils
Laboratory tests show that combining rice husk ash with basalt fibre mesh can roughly double the friction angle of compacted ...
Sodium sulfate boosts strength of lime binders made from rice husk and corn cob ash
A Kenyan laboratory study found that mixing lime mortars containing rice husk ash or corn cob ash with a 0.5 ...
Waste glass and Ethiopian scoria powders strengthen sustainable mortar blends
A laboratory study of mortars blended with Ethiopian scoria powder and waste glass powder found that 10–15% scoria replacement improved ...
Coal mine overburden sand matches conventional concrete performance in M20 mixes
Concrete made with 100 percent replacement of natural sand by processed coal mine overburden achieved the highest strength among the ...
Slag-Rich Geopolymer Concrete Optimized for Strength Without Heat Curing
An 18-mixture response surface study identified optimized ambient-cured fly ash-slag geopolymer concrete mixes with 28-day compressive strength reaching 65.4 megapascals ...
AI Predicts Strength of Recycled Aggregate Concrete with Near-Perfect Accuracy
An integrated experimental and machine learning study predicted the 28-day compressive strength of recycled aggregate concrete, with Support Vector Regression ...
Cow Bone Ash Transforms Weak Lateritic Soil Into Road-Ready Pavement Material
Calcined cow bone ash improved the strength, bearing capacity, and moisture resistance of Nigerian lateritic soil, with a 6% dose ...
Just-Add-Water Geopolymer Concrete Hits Peak Strength at a Precise Water Ratio
A laboratory study of magnesium slag and blast furnace slag one-part geopolymer concrete found that a water-to-binder ratio of 0.47 ...
Diamond-shaped metakaolin concrete joints boost prefabricated beam strength in lab tests
Laboratory four-point bending tests on five full-scale composite beams show that a rhomboidal wet joint filled with metakaolin-modified coarse-aggregate ultra-high ...
Bamboo biochar strengthens cement-stabilized soft soil while locking away carbon dioxide in laboratory study
A laboratory study of coastal cement soil reports that 6 percent bamboo biochar raised unconfined compressive strength by up to ...
AI Framework Designs Fly Ash Geopolymer Concrete Balancing Strength, Cost and CO2
A new study combines CTGAN-generated synthetic data, hybrid machine learning, SHAP explainability, reliability analysis and multi-objective optimization to design fly ...
Saudi expert survey maps barriers to living-wall implementation
A PLS-SEM analysis of an expert survey identified four statistically significant barrier categories associated with living-wall implementation constraints in Saudi ...
Marble Waste and Machine Learning Team Up to Reinvent Road Pavement Grout
A machine learning study shows that waste marble dust can replace up to 32 percent of the cement in semi-flexible ...
Watermelon Vine Waste Tames Alkaline Concrete to Let Plants Grow
Researchers found that shredded watermelon vine waste can both reinforce ecological porous concrete and neutralize its alkalinity, enabling over 80 ...
Corn Straw Biochar and Steel Slag Turn Dredged River Silt Into a Cement-Free Construction Material
Researchers report that a clinker-free binder combining corn-straw biochar, blast-furnace slag, and carbide slag stabilizes urban dredged silt with shear ...
Three Industrial Wastes Combine to Make Cement That Is Cheaper and Stronger
Researchers found that blending steel slag with phosphorus slag and spontaneously combusted coal gangue in a 7:1:2 ratio yields a ...
Carbonated Concrete Waste Could Help Cement-Free Binders Stay Strong
A new study shows that concrete slurry waste pressurized with supercritical CO2 can replace up to 25 percent of slag ...
Bacteria That Print Buildings: Living Cement Grows Solid at Room Temperature
ETH Zurich researchers have combined bacteria, sand and digital manufacturing to grow solid architectural elements without firing cement.
