Contractors want concrete to be as workable as possible to facilitate placement and consolidation without compromising performance in the hardened state.
Read MoreCategory: Admixtures
Polymer Drives Admixture’s Flexible Slump Retention, Workability Control
Exclusive polymer technology with cement particle-dispersing capabilities has yielded BASF Admixture Systems’ RheoTEC Z-60, the first in a new concrete
Read MoreGlobal Cement Companies Slash Co2 Emissions
Although cement production by companies participating in a 16-year study increased 53 percent from 1990 to 2006, net carbon dioxide emissions increased
Read MoreSustainability Visionary Jean-Claude Roumain
One of the driving forces in the push to turn rice hull ash into a viable commercial product is one-time Holcim (US) Inc. corporate product manager Jean-Claude
Read MoreEnvironmental Firm Harvests Silicate-Rich Rice Hull Ash As Commercial Admixture
With an eye toward converting landfill-bound agricultural waste into concrete-grade pozzolan, environmental technology company ChK Group completed piloting high-temperature rice hull processing to yield a fine, high-silicate (>90 percent) ash with performance properties similar to silica fume
Read MoreSilica Fume Alternative
Cemstone positions high-reactivity metakaolin (HRM) in the supplementary cementitious material mainstream. Under a new partnership with Calgary-based Whitemud Resources, Inc., Cemstone Products Co., Mendota Heights, Minn., has begun using WhitemudMK branded HRM in concrete mix designs for heavy/civil work, including bridges, structural slabs and parking garages.
Read MoreEngineered Limestone Tailor Milled To Scc Mix Designs
Pittsburgh-based Carmeuse Lime & Stone first announced the availability of Premiacal, an engineered limestone with fineness characteristics especially
Read MoreCentury-Old Master Builders Fulfills Promise Of Its Brand
In the year that witnessed such landmark events as Henry Ford’s Model T debut, explorers reaching the North Pole, and Panama’s independence from Colombia,
Read MoreNrmca Joins Epa, Power Groups In Fly Ash Promotion
In an industry-wide effort to increase the use of concrete-grade fly ash, the National Ready Mixed Concrete Association has joined the Environmental Protection
Read MoreElemix Polymeric Spheres Reshape Concrete Matrix
In 2008, representatives from tilt-up construction contractors Hi-Tech Tilt of Laredo, Texas, had a fateful meeting with Monaca, Pa.-based Syntheon at
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