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Welcome to CONCRETE CURRENTS, the electronic newsletter from
Concrete Products magazine.
For additional industry news, technology, and highlights from the latest
issue of Concrete Products, please visit www.concreteproducts.com
Submissions for upcoming issues of CONCRETE CURRENTS or Concrete
Products can be directed to Editor Don Marsh, don.marsh@penton.com or
312/840-8483.
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Spragues’ RM debuts zero-discharge mix,
slurry-recycling system
Sources: Alar Sales Inc., Mokena, Ill.; Liebherr Concrete
Technology, Newport News, Va.; CP staff
In a state where land, water and material hauling are at a premium
and tough environmental regulation a fact of life, California’s
Spragues’ Ready Mix has deployed the first closed-loop recycling
equipment combination of its kind: a concrete reclaimer separating fine
and coarse aggregate, coupled with a slurry-recycling filter that
dewaters cement fines to yield nearly ASTM C 94-grade batch water
(suspended solids < 60 ppm). Click
here for full story
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Report credits positive global climate impact to
cement companies’ CO2 reduction
Source: World Business Council for Sustainable Development,
Geneva
Although cement production by companies participating in a 16-year
study increased 53 percent from 1990 to 2006, net carbon dioxide
emissions increased only 35 percent, proving a decoupling of production
and related emissions. These results were part of the recently released
WBCSD’s Cement Sustainability Initiative (CSI) report, “Cement
Industry Energy and CO2 Performance: Getting the Numbers Right (GNR),”
representing the collective effort of 18 leading cement companies from
around the world. Click
here for full story
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Cement-taxing Clean Energy Act faces stratospheric
Senate climb
Sources: CP staff; Portland Cement Association, Skokie,
Ill.
Critics of the American Clean Energy and Security Act of 2009, which
passed the U.S. House and foreshadows steep future taxes ($10–37/ton,
2020–2050) on portland cement and other products of energy-intensive
processing, guarantee a rough ride for the legislation in the Senate
later this year. Click
here for full story
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Deficient roads, highway fatalities study released
as reauthorization talks heat up
Source: Transportation Construction Coalition; National
Stone, Sand & Gravel Association, Alexandria, Va.
At the brink of SAFETEA-LU reauthorization, a TCC highway safety
study finds that half of U.S. highway fatalities are related to
deficient roadway conditions. Unsafe road conditions are a more lethal
factor than drunk driving, speeding or not using safety belts, according
to the report, "On a Crash Course: The Dangers and Health Costs of
Deficient Roadways."
Click
here for full story
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Swederski Concrete chief solidifies industry’s
pavement promotion
Sources: Swederski Concrete Construction Inc., Spring
Grove, Ill.; National Ready Mixed Concrete Association, Silver Spring,
Md.; CP staff
Parking lot contractor Len Swederski is advancing pervious and
conventional concrete pavement, along whitetopping methods, in summer
sessions geared to transportation construction and engineering
professionals, public works officials, finishers and ready mixed
producers. Swederski Concrete Construction is hosting “Hard Facts,”
a July 22 seminar covering pavement design and green concrete in Spring
Grove, Ill., near its headquarters. A $70 registration fee covers the 9
a.m.–4 p.m. program, plus copies of ACI 330 and Concrete Pavement
Analyst Software. Additional “Hard Facts” information can be
obtained from Swederski Concrete Business Development Director (and
Wisconsin ready mixed industry veteran) Terry Alby, 815/678-4035; terrya@swederski.com
Separately, NRMCA has enlisted Len Swederski as an instructor for “How
to Build a Successful Parking Lot Construction Business,” an August
20-21 seminar in Orlando, Fla. In addition to pavement engineering and
construction details, the course provides a concrete vs. asphalt parking
area overview. It also examines different contract delivery methods and
how they affect the potential for a successful concrete parking lot
contracting business. Joining NRMCA behind the seminar are American
Society of Concrete Contractors and Florida Concrete & Products
Association. Additional information on the program or registration can
be obtained from NRMCA’s Gillian McBurney, 240/485-1166, gmcburney@nrmca.org; or, Jessica
Moore, 240/485-1152, jmoore@nrmca.org.
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NRMCA adds ‘Building Green’ to online course,
certification roster
Source: National Ready Mixed Concrete
Association
NRMCA will offer its first online “Building Green with Concrete
Course and Certification Exam.” The July 20-23 course will be broken
down into four, two-hour sessions, and examine the use of concrete to
minimize building and public works projects’ environmental impact
during construction and operation. After completing the course and
passing an exam, participants will receive NRMCA Green Building
Specialist designation. Participants are not required to complete the
“Concrete’s Role in Sustainable Development, Part I” course, but
it is assumed they will understand the sustainability issues it covers.
Information on the Building Green course can be obtained from NRMCA's
Erin Ashley at 888/846-7622, ext. 1306; eashley@nrmca.org
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PCA commences Concrete Technology Webinar
Series
Source: Portland Cement Association, Skokie,
Ill.
As part of its commitment to seminars addressing current industry
challenges, PCA now is providing some of its most popular courses via
Internet:
- Impact of Water on Concrete Properties - July 9, 2009
- Aggregates for Use in Concrete - July 16, 2009
- Hot Weather Concreting - July 23, 2009
- Chemical Admixtures for Use in Concrete - August 27, 2009
- Top 10 Myths in Concrete Construction - September 3, 2009
- Decorative Concrete-Finishing with Color and Texture - September 9,
2009
- Supplementary Cementitious Materials for Use in Concrete - September
15, 2009
- Impact of Cement Characteristics on Properties of Concrete -
September 29, 2009
- Pervious Concrete - October 8, 2009
- Volume Changes of Concrete - October 15, 2009
Several of the Webinars also include free downloads of PCA publications.
The programs meet requirements set by the U.S. Office of Education for
Continuing Education Units. PCA retains permanent records--available
upon request--of CEUs awarded to course participants. The group is also
a registered provider of Learning Education Units for the American
Institute of Architects. Course registration is available online at PCA Webinars.
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ACI posts 6,000-plus symposium papers at
concrete.org
Source: American Concrete Institute, Farmington Hills,
Mich.
Thousands of documents published since 1962 are being offered as a
new resource through the ACI Symposium Papers Subscription online
service. A subscription includes 12 months of unlimited access to more
than 6,000 new and archived papers. Individual subscriptions cost $160
annually; ACI members can subscribe for $95 per year; and, organizations
or libraries may purchase a multi-user subscription for $650. Symposium
Papers service subscriptions can be obtained by calling 248/848-3800, or
visiting www.concrete.org
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