Newly named PCA Director of Environmental and Energy Policy Bryan Brendle will represent the U.S. cement industry on air quality, climate change and other regulatory issues, serving as the group’s liaison to the federal government
Read MoreMonth: June 2010
Senate Fills Nlrb As Court Clouds Spurlino Materials Case
Senate confirmation of Brian Hayes and Mark Pearce, who President Obama nominated in July 2009, brings the NLRB to full five-member strength for the first time since December 2007
Read MoreMidwest Block Offers Premium Hardscape Units At New Wet Cast Plant
A five-acre plot adjacent to Midwest Block & Brick’s long-standing Jefferson City, Mo., facility is the site of a wet-cast plant opened in late May by the Midwest Products Group subsidiary
Read MoreEpa Opens Comment Period On Coal Ash Designation, Disposal Rule
In the June 21 Federal Register, EPA formally proposes a rule maintaining provisions for beneficial use of fly ash in concrete and other construction materials, but significantly tightening existing regulations’ treatment of nonconstruction-grade coal ash
Read MoreAgency Weighs Fly Ash Concrete Stigma Vs. Broader Coal Ash Hazardous Waste Label
In its proposed regulation of power plants’ coal combustion residuals (CCR) under the Resource Conservation & Recovery Act (RCRA), EPA acknowledges potential backlash a hazardous waste designation might have on beneficial uses of concrete
Read MoreSimem Develops 0.5—3.5 Yd. Mobile Plants
Introduced at bauma 2010 in Munich, the Jumper series of small mobile concrete plants is engineered for standard trailer transport or delivery in 40-ft. containers, plus setup and operation without need for foundations
Read MoreTaylor Concrete Lowers Cmu Cement Content, Raises Load-Bearing Capacity
Upstate New York producer Taylor Concrete pinpoints GGBF slag as a means of reducing block and brick unit mix designs’ portland cement by 20 percent, but increasing finished products’ net area compressive strength nearly 50 percent over ASTM C 90 requirements
Read MoreSlag-Formulated Block Aces Material Optimization, Carbon Math Tests
Proving the potential of slag cement mix designs aimed at NYSCMA FM2000 block (above), Taylor Concrete cites a 100- x 200-ft. warehouse building with 20-ft. high walls
Read MoreCommand Alkon Forms New Division From Systech’s Integra
Discussions between Command Alkon and Systech Inc., have led to the former company’s launch of an Integra Product Division, with a Chicago office staffed by existing Integra support specialists
Read MoreAuthor Traces Rediscovery Of Great Pyramid-Rooted Concrete Technology
A new book describes a silicate rock, made without heat or pressure, as a potential substitute for portland cement concrete in a range of building and infrastructure conditions
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