Machine learning maps biochar’s strength effects in cement, with limits
A new study compiled published data on biochar-modified cementitious composites and used machine learning to explore compressive strength retention, finding ...
Tag: construction materials
Foamed concrete shows promise as a vibration-damping layer beneath metro tracks
A study in Scientific Reports reports that foamed concrete mixtures damp applied stresses by around 11% and reduce applied energy ...
Spent Coffee Grounds Ash Activates Slag Mortars, Study Finds
Coffee grounds ash, acting mainly through potassium carbonate, activated slag mortars with compressive strengths up to 33 MPa, though KOH ...
Uganda’s Volcanic Scoria Shows Promise as Lightweight Concrete Aggregate
Ugandan researchers report that volcanic scoria from the Bufumbira field can produce structural lightweight concrete meeting ASTM and Eurocode strength ...
Smarter Whale Algorithm Sharpens AI Predictions of Ultra-High-Performance Concrete Strength
Researchers combined a strengthened whale optimization algorithm with a kernel extreme learning machine to predict ultra-high-performance concrete strength, achieving test ...
Low-Dose Polymer Additives Reshape Mortar Strength in Surprising Ways
A systematic study of thirteen styrene-acrylate latex dispersions at 2 weight percent dosage finds mostly small strength reductions in cement ...
Coal Mine Waste Replaces All Natural Sand in Alkali-Activated Concrete
A one-part alkali-activated concrete in which coal mine overburden fully replaces natural sand reached 48.99 MPa at 28 days while ...
Cement and Rice Husk Ash Transform Weak Indian Peat into a Stronger Construction Soil
A laboratory study of peat from Ziro Valley, India, found that combining 15% cement with 12% rice husk ash raised ...
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 ...
Hooked-end steel fibres boost concrete strength by up to 32.7% but slash workability
A controlled study of Moroccan concrete found that adding hooked-end steel fibres at 20 to 40 kg/m³ raised 28-day compressive ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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