Slow-Release Alkalinity Turns Slag Cement Into a Stronger, Greener Binder
New research shows that the rate at which clinker-based activators release alkalinity, rather than the total amount supplied, controls crystal ...
Tag: pore structure
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 ...
Pre-Soaked Ceramic Particles Turn Low-Carbon Cement Into Lightweight, Chloride-Proof Concrete
Scientists combined pre-wetted shale ceramsite with limestone calcined clay cement to create a lightweight mortar that is stronger per kilogram ...
Underwater Concrete That Protects Itself Faces a Frosty, Salty Test
A new study shows that self-protected underwater mortar, cast in polymer-treated water, loses significant freeze-thaw durability when sulfate-rich environments accelerate ...
Desert Sand Meets Its Match: Concrete Blend Survives 200 Freeze-Thaw Cycles
A new study shows that blending 40 percent Tengger Desert sand into alkali-activated slag-fly ash concrete maximizes strength and delivers ...
Lightweight Clay and Tiny Fibers Team Up to Make Tougher, More Durable Mortar
A new study shows that combining 10 percent lightweight expanded clay aggregate with 0.2 percent polypropylene fibers produces mortar that ...
Deep-Sea Pressure Supercharges the Sulfate Attack That Eats Away at Underwater Concrete
New experiments and simulations show that even moderate hydrostatic pressure dramatically accelerates sulfate ingress and ettringite formation in cement paste, ...
Tiny Particles, Big Defense: Nanoparticles Shield Concrete From Sulfate Attack
A 180-day immersion study shows nano-silica outperforms nano-calcium carbonate in shielding cement mortar from sulfate attack, with optimal dosages of ...
Red Pigment Doubles as Strength Booster in Colored Mortar, Study Finds
A new study shows iron oxide red pigment can strengthen colored mortar by up to 16 percent while delivering stable, ...
Squeezed Coal Reveals Surprising Methane and Carbon Dioxide Behavior Under Stress
Molecular simulations of four coal ranks reveal that compressive stress nonlinearly alters methane and carbon dioxide adsorption and diffusion, with ...
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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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