March 2007 Table of Contents

EDITORIAL COMMENT
Editorial Comment Unintentional Leaders

It was a veritable industry who's who when Concrete Construction hosted a reception during the World of Concrete for our 2006 selections of the Most Influential People in the Concrete Industry. Read more

FEATURES
A Jointless, Crack-Free Walkway Features A Jointless, Crack-Free Walkway

A concrete expert experiments at his own home. Read more

Proactive Waterproofing Features Proactive Waterproofing

Waterproofing below-grade foundations is straightforward in principle but difficulties can come up during application. This article focuses on issues related to waterproofing foundations in below-water-table construction that is close to the property line, although most of the principles apply equally to other below-grade structures. Read more

Industrial Concrete Layout the Easy Way Features Industrial Concrete Layout the Easy Way

Total stations and robotic total stations were once tools for surveyors only, but manufacturers are not making them contractor friendly. As a result, more contractors are beginning to see the value in using total station technology. Read more

NEWS & EVENTS
News & Events We're Moving!

Hanley Wood Business Media Commercial Construction group has packed up its Addison office and moved. Read more

News & Events Soff-Cut Welcomes New Asset

Earlier this year, Soff-Cut International Inc. announced the acquisition of Superior Power Trowels. Read more

News & Events Conference Calls for Speakers

The First International Conference on Recent Advances in Concrete Technology, to be held September 19–21, 2007 in Crystal City, Va., currently is accepting abstracts. Read more

News & Events Sustainable Construction Awards

The Holcim Foundation will launch its second awards competition for sustainable construction projects on June 1, 2007. The $2-million-dollar competition celebrates innovative, future-oriented, and tangible sustainable construction projects from around the Read more

News & Events TCA 2007 Professional Achievement Awards

The Tilt-Up Concrete Association (TCA) awarded five recipients its professional achievement awards at this year's World of Concrete. Selected by the association's board of directors, the winners each received unique awards. Read more

News & Events 39-year-old Veteran Receives Award

Eugene P. Martineau was named the National Ready Mixed Concrete Association's (NRMCA) 2006 recipient of the William B. Allen Award. Read more

News & Events CIM Rakes in the Dough

This year at World of Concrete 2007, the Concrete Industry Management (CIM) Auction doubled its proceeds from last year's event. Pulling in nearly $500,000—compared to the $224,000 in 2006—the industry certainly came out to show its unwavering support of Read more

News & Events Women in Concrete Meet and Mingle

More than 300 women met at the World of Concrete at the second annual Women in Concrete Forum, increasing the attendance by 100 more than last year's event. Read more

News & Events Tech Forum for Concrete Enthusiasts

The National Ready Mixed Concrete Association (NRMCA) is sponsoring the 2007 Concrete Technology Forum: Focus on High Performance Concrete scheduled for May 22–24, 2007 in Dallas. Read more

News & Events World of Concrete Big Hit!

Breaking all previous records, the 33rd World of Concrete was the industry event of the year. With over 900,000 net sq. ft. of exhibit space to tread and 1739 exhibitors to peruse, the more than 91,000 attendees had plenty to keep them busy during the wee Read more

TOLERANCES
Tolerances: Changing the Way We Look at Tolerances Tolerances Tolerances: Changing the Way We Look at Tolerances

In the current ACI 117 Tolerances commentary, tolerances are defined as “a way to establish permissible variations in dimension and location, giving both the designer and the contractor parameters within which the work is to be performed.” Read more

SLABS ON GRADE
Slabs on Grade Floor Innovations

One might think that everything that was going to be invented for floors already had been, but some people are never content. Read more

SAFETY MATTERS
Safety Matters Best practices for sawing and drilling

The Concrete Sawing & Drilling Association (CSDA) and the Occupational Safety & Health Administration (OSHA) have produced more than goodwill since the partnership of the two organizations on March 16, 2006. As part of the Alliance, a new safety series CS Read more

DECORATIVE CONCRETE
Problem Clinic Decorative Problem Clinic

I have been contracted to remove a carpet tile floor and chemically stain the concrete below to provide a decorative finish. When we started removing the carpet tiles, we discovered that some of the adhesive is stuck to the floor. How can we remove the ad Read more

Decorative Problem Clinic Problem Clinic Decorative Problem Clinic

We just got a job for a concrete floor with a radiant heating system. What do I need to know to get this to come out right? Read more

Decorative Concrete Admixture Incompatibilities Decorative Concrete Decorative Concrete Admixture Incompatibilities

There can be many reasons why decorative concrete installations don't go well, and some of those reasons have to do with incompatibilities with concrete admixtures. Read more

Decorative Concrete Decorative Concrete Decorative Concrete

When I first became senior editor for Concrete Construction, I was introduced by telephone to Bill Shorey; sales director for Spec West, a construction supply house in the Sacramento, Calif. area. Read more

Versatile Building Products Etch Stain Products Versatile Building Products Etch Stain

Reacting with the minerals present in concrete to give a look and feel of natural stone, Etch Stain is available in six different colors. Read more

Miracote Division of Crossfield Products Mirastain Products Miracote Division of Crossfield Products Mirastain

Mirastain I architectural accent stain is a combination of metallic salts suspended in an aqueous solution that is slightly acid. Read more

Products Concrete Chemicals of California Liquid Oxides

Liquid Oxides permanently color stamped concrete, paving stones, ready-mix concrete, and cement floors. Read more

Butterfield Color Clear Guard WB Urethane Sealer Products Butterfield Color Clear Guard WB Urethane Sealer

Clear Guard WB Urethane Sealer is a two-component aliphatic polyurethane coating that provides a high-gloss, abrasion-resistant film. Read more

JOBSITE PRODUCTS
Trailer Pumps Jobsite Products Trailer Pumps

The trailer-mounted concrete pump is a common item found on job-sites. Although often overlooked, this piece of equipment can be critical in getting the job done right. But, not all trailer pumps are created equal. Read more

PRODUCTS SOLVING PROBLEMS
Tank Construction on a Two-Week Cycle Products Solving Problems Tank Construction on a Two-Week Cycle

In 1912, West Virginia began storing liquefied natural gas (LNG) commercially and, 47 years later, in 1959, the Methane Pioneer carried the first cargo of LNG via sea from Louisiana to the United Kingdom. Read more

Easy Formwork Bracing Products Solving Problems Easy Formwork Bracing

The story of a contractor who had a great idea and found a way to get the testing done without draining his meager resources. Read more

PROBLEM CLINIC
Problem Clinic Cutting Concrete Without Fear

I have heard that a big OSHA enforcement effort was coming where workers are exposed to airborne silica from concrete-related operations, such as grinding and cutting. Is that still on the horizon? Read more

Problem Clinic Which Direction Should It Tilt?

When erecting concrete tilt panels, does it violate OSHA regulations to have a tilt-up panel tilted toward the crane during the erection process? Read more

Problem Clinic Using Supplementary Cementitious Materials

We have a job that is attempting to gain a high rating as a “green” building. They want to use “supplementary cementitious materials” in the concrete to get points for using recycled materials. Is this going to create problems for us? Read more

Problem Clinic Decorative Problem Clinic

I have been contracted to remove a carpet tile floor and chemically stain the concrete below to provide a decorative finish. When we started removing the carpet tiles, we discovered that some of the adhesive is stuck to the floor. How can we remove the ad Read more

Decorative Problem Clinic Problem Clinic Decorative Problem Clinic

We just got a job for a concrete floor with a radiant heating system. What do I need to know to get this to come out right? Read more

CONTRACTOR TO WATCH
Feature Industry Trends Roundtable

Last September, Concrete Construction hosted the Industry Trends Roundtable just prior to the American Society of Concrete Contractors' annual meeting. Although excerpts were presented in our November issue, that only represented a fraction of the conversation. Here is a little more. Read more

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