Admixtures
Fiorato heads Slag Cement Association
Portland Cement Association and CTLGroup veteran Anthony Fiorato was appointed SCA executive director, effective Feb. 1. His depth of knowledge about...
Modern Marvels' Performance Steers Marine Mix Offering
Drawing on expertise behind global concrete landmarks Canada's Confederation Bridge (1997) and the Denmark-Sweden Oersund Link (2000) Los Angeles-based...
CalStar Products dedicates first fly ash-based unit masonry line
Green building-driven CalStar Products Inc. capped an accelerated production ramp-up for its Fly Ash Brick and Fly Ash Pavers earlier this year in Caledonia,...
Sen. Feingold Salutes Green Jobs
Praising Wisconsin's leadership in green job creation, Sen. Russell Feingold told CalStar Products' Caledonia ribbon-cutting ceremony attendees, The development...
Skako Probe raises SCC mix precision
Suited for new plant mixers or retrofits on existing countercurrent or pan models, the Visco Probe uses the latest material flow technology to augment...
Program charts mixtures' environmental life cycle
Eco-Efficiency Analysis (EEA) quantifies the economic and ecological benefits of Green Sense Concrete mixtures, which BASF Admixture Systems recently...
A Decade Defined
To close out this column's first decade, 10 familiar companies, projects and market developments distinguishing concrete production & practice from 2000-2009:...
Propex Adds Elemix Additives
Propex Concrete Systems has announced an agreement to sell and support Elemix additives from Monaca, Pa.-based Nova Chemicals Corp. Specially formulated...
Rockwood, Grace renew coloring product distribution alliance
Rockwood Color Pigments & Services Division and W.R. Grace Construction Products have extended their alliance to jointly distribute Rockwood's Chameleon...
Silicon Valley Operator Molds A New Class Of Brick & Pavers
CalStar Products unveiled high fly ash content architectural brick and pavers at the U.S. Green Building Council's 2009 Greenbuild International Conference...
Axim Crafts MRWR For Flowability, SCM Combinations
Catexol Hydrosense, a polycarboxylate-based water reducer, provides what Axim Italcementi Group contends is excellent flowability during placement without...
New ASTM Standard Defines Rapid Hardening Hydraulic Cements
The recently approved ASTM C1600/C1600M - Specification for Rapid Hardening Hydraulic Cement covers materials used in applications where reduced cementitious...
The Impact of Workability Retention
Contractors want concrete to be as workable as possible to facilitate placement and consolidation without compromising performance in the hardened state....
Crouch at Helm of Realigned Propex
Thirty-year industry veteran Chris Crouch has been named executive vice president of Propex Concrete Systems, a stand-alone business unit of Propex Operating...
ACAA addresses EPA panic on fly ash designation, handling
Citing a new administration and the December 2008 spill of 5.4 million cu. yd. of fly ash from a Tennessee Valley Authority impoundment as reasons for...
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...
Sustainability 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...
Global 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...
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...
SILICA 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....
