February 2011 Table of Contents

WEB EXCLUSIVE
Cleaner Air for Everyone Cleaner Air for Everyone

The history of how EPA regulations have helped make the air we breathe cleaner. Read more

EDITORIAL COMMENT
Editorial Comment Optimism After WOC 2011

Momentum from WOC 2011 carries early portion of construction year. Read more

NEWS
Women in Concrete Alliance Announces Winner of Woman of Distinction Award News & Events Women in Concrete Alliance Announces Winner of Woman of Distinction Award

Rosa Olivia Becerra was voted the winner of the first Award for her dedication to her customers. Read more

News & Events The Golden Trowels

The Golden Trowels recognize the flattest and most level floor slabs placed in the world and the awards are announced each year at the World of Concrete. Read more

CIM Program Raises More Than $500,000 at Auction News & Events CIM Program Raises More Than $500,000 at Auction

The CIM program raised more than $500,000 in gross revenue at its sixth annual auction. Read more

News & Events New Sustainability Award

ACI announces the new ACI Concrete Sustainability Award and currently is seeking submissions for its first award in 2012. Read more

News & Events TCA Releases Two Books

TCA recently released two new books to the concrete construction marketplace. Read more

FEATURES
The Concrete Pro's Top 10 Tools for the Concrete Pro The Concrete Pro's Top 10

Check out the top 10 tools CC readers are using to get the job done. Read more

Feature Concrete House Featuring Decorative Concrete Work

A new house in Sun Valley, Idaho, features decorative concrete throughout. Read more

Changes in Concrete Mix Design Changes in Concrete Mix Design

New products and approaches that affect concrete mix design will likely grow in influence soon. Read more

ACPA Annual Excellence in Concrete Pavements Feature ACPA Annual Excellence in Concrete Pavements

The annual awards for Excellence in Concrete Pavement were announced by American Concrete Pavement Association. Read more

SLABS ON GRADE
Slabs on Grade That Pesky Moisture Gradient, Part 3

Learn how cement achieves its strength. Read more

TILT-UP
Expanding Tilt-Up to the Middle East Tilt-Up Expanding Tilt-Up to the Middle East

The introduction of tilt-up to Amman, Jordan, proved to be a success for tilt-up construction throughout the Middle East. Read more

SAFETY MATTERS
Demonstrating a Dedication to Safety Safety Matters Demonstrating a Dedication to Safety

ASCC Burr Bennett Award recognizes top safety-oriented contractors. Read more

DECORATIVE CONCRETE
Troubleshooting Vertical Overlays Troubleshooting Troubleshooting Vertical Overlays

Learn about what can go wrong with overlay applications and what to do when it does. Read more

JOBSITE PRODUCTS
Arrow-Master Inc. Gas-Powered Aluminum Screed Sections Jobsite Products Arrow-Master Inc. Gas-Powered Aluminum Screed Sections

Expandable to 60 ft., the gas-powered aluminum screed sections are available in 2 1/2-, 5-, and 7 1/2-ft. lengths for greater flexibility. Read more

PRODUCTS SOLVING PROBLEMS
Electric-Powered Curing Blankets Aid Bridge Construction Products Solving Problems Electric-Powered Curing Blankets Aid Bridge Construction

Contractors use electric-powered curing blankets to heat poured concrete in cold temperatures. Read more

PROBLEM CLINIC
Problem Clinic Precast Concrete or Cast Stone

Is there a difference between cast stone and precast concrete? Or are they just two names for the same thing? Read more

Problem Clinic D-Cracking of Pavements

What causes D-cracking in concrete pavements and what can be done to prevent it? Read more

Problem Clinic Too Much Air?

The specifications for entrained-air content always include both minimum and maximum limits. I know that having too little entrained air reduces the concrete's resistance to freeze/thaw and deicer damage. Read more

SUSTAINABILITY
The Beauty of Sustainability Sustainability The Beauty of Sustainability

The addition of silica fume in concrete mixes, which achieve sustainability goals, can affect desired colors in decorative concrete. Read more

CONTRACTOR TO WATCH
Lloyd Concrete Services Inc. Contractor to Watch Lloyd Concrete Services Inc.

Get an inside look at Llyod Concrete Services Inc., in Rustburg, Va., through the eyes of owner Steve Lloyd. Read more

Working with Rebar Creating a Rebar Schedule Helps Minimize Problems

Planning and scheduling construction projects can help minimize potential problems. Read more

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