Crushed-sand mortar enables high-fluidity concrete with lower carbon footprint
A laboratory study developed a mortar-rheology method for making high-fluidity concrete with crushed limestone sand, achieving flows above 600 mm ...
Tag: construction materials
Hybrid Steel and Polypropylene Fibers Make Concrete 18 Times Tougher
An experimental study in Ecuador found that a hybrid steel-polypropylene fiber mix boosted concrete's energy absorption roughly 18-fold while cutting ...
Carbon Quantum Dots Turn Silica Fume Into a Stronger, Cheaper Cement Ingredient
A trace dose of carbon quantum dots boosts silica fume cement strength by up to 83.7% while cutting costs, offering ...
Chemically Activated Clay Bricks Keep Most of Their Strength After 800°C Fire Exposure
Researchers report that clay bricks doped with alumina and activated with sodium hydroxide retain nearly 76 percent of their strength ...
Steel Mill Scale Could Turn Concrete Into a Shielding Supermaterial — But the Evidence Isn’t Ready
A critical review finds steel mill scale could replace sand in concrete and deliver radiation and EMI shielding, but the ...
Volcanic rock tiles with carbon fibers and zinc oxide block over 99.999% of electromagnetic waves
Researchers in Turkey have developed rhyolitic tuff geopolymer tiles reinforced with carbon fibers and zinc oxide that achieve up to ...
Graphene Oxide Gives Concrete a Microscopic Makeover, Boosting Strength by Nearly 31 Percent
Researchers at Vellore Institute of Technology show that adding just 0.04 percent graphene oxide by weight of cement densifies the ...
Fire-Hit Cement Mortar Gains Strength at 300 Degrees, but Only If It Cools Slowly
New experiments show cement mortar heated to 300 degrees Celsius can gain shear stiffness when cooled slowly in air, but ...
Plasma-Treated Cellulose Fibers Make Cement Composites Tougher, Study Finds
Brazilian researchers used HMDSO plasma coatings on cellulose fibers and found that an intermediate treatment, not the most hydrophobic one, ...
A Wine-Derived Acid Slows Cement, Then Makes It Stronger
New research shows that trace doses of L-(+)-tartaric acid delay cement setting yet ultimately produce denser pore networks and significantly ...
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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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