February 2007 Table of Contents

EDITORIAL COMMENT
We are concrete Editorial Comment We are concrete

There's something about concrete that reminds us of ourselves. Read more

FEATURES
Using Calcium Chloride for Industrial Floor Construction Features Using Calcium Chloride for Industrial Floor Construction

Calcium chloride has a strange reputation—it's probably the most used admixture for concrete and also the most controversial. On the positive side, CaCl is an excellent, inexpensive accelerator; its bad rap stems from its contribution to corrosion of steel reinforcement and metallic floor hardeners. Read more

Silica Fume for Concrete Bridge Decks Features Silica Fume for Concrete Bridge Decks

Placing and consolidating concrete containing silica fume is essentially the same as for concrete without silica fume. Because silica fume eliminates bleed water in concrete, finishing silica-fume concrete for bridge decks and other flatwork usually is done without the bleed water waiting periods associated with traditional finishing practices. Read more

The Hidden Cost of Aggregate Interlock Features The Hidden Cost of Aggregate Interlock

Using dowels will reduce long-term cost for slabs on ground Read more

F is for Flatness (or Face) Features F is for Flatness (or Face)

Everything you ever wanted to know about floor flatness but were afraid to ask. Read more

NEWS & EVENTS
News & Events Beauty meets function

Lavalle Stadium at the State University of New York at Stony Brook, N.Y., won the award as the Best Stadium in the 2006 Design Awards competition sponsored by the Precast/Prestressed Concrete Institute. Read more

RCC 2007 News & Events RCC 2007

The fifth International Seminar and Study Tour on Roller-Compacted Concrete Dams is scheduled for March 18-13, 2007, Atlanta, Ga. Read more

Join our editors at bauma 2007 News & Events Join our editors at bauma 2007

This April, the bauma 2007 trade fair in Munich, Germany, promises to be an impressive display of international construction equipment and machinery. Read more

Concrete older than you think News & Events Concrete older than you think

In new research on the Great Pyramids of Giza, a scientist says he has found more to their construction than cut natural limestone. Read more

TOLERANCES
Tolerances Slab thickness

Slab thickness tolerances has long been a point of contention between contractors and specifiers. Read more

TILT-UP
Tilt-Up 2007 Tilt-up Achievement Winners

The Tilt-Up Concrete Association (TCA) has announced the recipients of the 2007 Tilt-Up Achievement Awards. This year, the panel of judges recognized a total of 33 award recipients out of the 94 entries submitted and selected four projects from across all categories to receive the exclusive title, Excellence in Achievement. Read more

Carson Tahoe Hospital Tilt-Up Carson Tahoe Hospital

363,000-square-foot service facility in Carson City, Nev. Submitted by Degenkolb Engineers of San Diego. Read more

University of South Florida Crosley Campus Center Tilt-Up University of South Florida Crosley Campus Center

100,000-square-foot educational facility in Sarasota, Fla. Submitted by Tilt-Con Corp. of Altamonte Springs, Fla. Read more

Briarcliff Village Tilt-Up Briarcliff Village

86,200-square-foot retail facility in Kansas City, Mo. Submitted by CON/STEEL Tilt-Up Systems of Dayton, Ohio. Read more

Seven Farms Square Tilt-Up Seven Farms Square

94,000-square-foot housing project in Charleston, S.C. Submitted by Charter Concrete Services Inc. of Charlotte, N.C. Located in an area with seismic and high wind requirements, tilt-up was selected for its ability to address those concerns while still meeting cost and schedule requirements. Read more

SAFETY MATTERS
Safety videos for rented equipment Safety Matters Safety videos for rented equipment

Productivity and safety are always on the minds of equipment owners, especially when new operators are on the job. Now you can train new operators and update experienced operators in the safe and efficient operation of Bobcat equipment using a series of 1 Read more

DECORATIVE CONCRETE
Problem Clinic Decorative Problem Clinic

A year ago we installed curving, colored, patterned front steps and a landing for a new home. One of the 14-inch treads turned out to have more pitch than the others—1 inch at one location. It was an accident on our part but we have always told customers Read more

Decorative Concrete Replacing Stamped Concrete at the Core Library

Decorative concrete is only as good as its foundations. Read more

Keeping track of all the variables Decorative Concrete Keeping track of all the variables

A truism is that it's often not what you do know but what you don't know that brings you to trouble's doorstep. Read more

JOBSITE PRODUCTS
Power Trowels Jobsite Products Power Trowels

Concrete finishers usually know what they want in a power trowel, says Greg Fricks, of The Fricks Co., Fort Worth, Texas. Read more

PRODUCTS SOLVING PROBLEMS
Glass Fibers Help White Topping Exceed Expectation Products Solving Problems Glass Fibers Help White Topping Exceed Expectation

The parking lot at the Rio Verde Community and Welcome Center in southern Arizona was cracked and showing signs of age, and the center wanted an economical solution. Read more

Lightweight Power Products Solving Problems Lightweight Power

Five years ago, Dennis Lura took it upon himself to build a roller screed suitable for large jobs, yet one that a small crew could handle. Read more

PROBLEM CLINIC
Problem Clinic Decorative Problem Clinic

A year ago we installed curving, colored, patterned front steps and a landing for a new home. One of the 14-inch treads turned out to have more pitch than the others—1 inch at one location. It was an accident on our part but we have always told customers Read more

Problem Clinic Flooring Over Concrete

Although I've been lucky so far and have not had to deal with a failure of flooring materials applied over one of my slabs, it scares me to death thinking about it. What can I do to keep this problem from occurring? Read more

Problem Clinic Concrete Expansion Joints

I was told that what we used to call expansion joints I should now call contraction joints. Does that mean that concrete doesn't expand? Read more

Problem Clinic Release Agent

How often do we need to apply release agent to plywood form panels? Read more

WOMEN IN CONCRETE
Rising Up Women in Concrete Rising Up

Women are breaking down boundaries and exceeding expectations in the tilt-up industry. Read more

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