Jim Klinger, Concrete Construction Specialist The Voice Newsletter February 2025  Full Disclosure: Anyone who has cast ice cubes in their kitchen freezer can confirm there is an unseen side effect that occurs during the transformation of liquid water into solid ice--namely a substantial increase in volume.  Material science textbooks say that--under certain boundary conditions-- a vo...

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Michael Hernandez, Technical Director The Voice Newsletter February 2025  Its February, a polar vortex is dropping in and the local (Denver) forecast high temperature for 2 days from today is 14F. No placing exterior concrete in that. Most batch plants here shut down at 20F. Back in my operations days a few yards ago that sounds like a great day for either catching up on office paperwork,...

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ASCC Shines at World of Concrete 2025: A Celebration of Community, Camaraderie and Recognition The American Society of Concrete Contractors (ASCC) made a powerful impact at the 2025 World of Concrete (WOC) in Las Vegas, showcasing its commitment to technology, safety, and industry leadership. From the sold-out Kickoff Bash to the hands-on Decorative Concrete Council (DCC) and Concrete Polishing...

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ASCC Elects New Officers and Directors for 2025 At the ASCC Annual Meeting held on Monday, January 20th, 2025, at 4:30 P.M. PST at Caesars Palace in Las Vegas, NV, the ASCC announced its newly elected Officers and Directors for 2025. Cory Lee (Martin Concrete Construction) was announced as the ASCC President replacing Chris Klemaske (Sundek National Accounts). In addition, the following persons...

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Ensuring safety on concrete construction sites is not just a regulatory requirement—it’s a commitment to preserving lives and livelihoods. Fall protection remains one of the most critical aspects of construction safety, as falls are a leading cause of workplace injuries and fatalities in the industry. The American Society of Concrete Contractors recognizes the importance of proactive m...

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This is my last article as DCC Director. It has been a whirlwind and quick two years. My congratulations to Micheal Campbell with Trademark Concrete who will take the reins during the World of Concrete. I know he will do an outstanding job. Over the past 23 newsletters I’ve discussed a range of topics. Some specific to decorative concrete, some general business management and sales, and a...

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Question: We are preparing to pump, place, and finish a reinforced concrete slab on metal deck (SOMD) in a 4-story (e.g. 4 elevated decks) structural steel-framed office building. Each floor slab has an area of 100,000 gross square feet (GSF), which we plan to complete in 4 each 25,000 square foot (SF) pours per floor, or 16 total placement days.  We have scheduled our first concrete placemen...

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Over the last few years there has been an increase in scaling observed in roadway and parking lot pavements in the Midwest. Several calls to the ASCC hotline, member photos, newspaper articles and issues noted by ready mixed producers and associations in multiple states are discussing this outcome. The purpose of this newsletter article is bringing awareness that several teams have started or will...

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Reinforcing steel is one of the critical elements of any concrete structure. As structural engineering firms have minimal incentive to provide efficient rebar details and experienced structural engineers retire, concrete contractors and rebar placers would benefit from a library of productive rebar details. The vision is to have a large collection of rebar details which the concrete construction t...

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Question:  Our company's regional hub located in South Florida has been selected to furnish and install approximately 100,000 square feet (SF) of reinforced concrete slab on grade (SOG) for a large, privately owned warehouse developer.  Nominal slab thickness is 5 inches, with a 28-day concrete design compressive strength of 3500 psi normal weight concrete (NWC).  Typical slab r...

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