High-range water reducers changed what concrete can do, but data centers changed why we do it. Jeff Slagle explains how thermal concrete emerged, why fine aggregates and pea gravel mixes are showing up everywhere, and how encasement requirements for modern infrastructure quietly reshaped mix design. This wasn’t a lab innovation.…

In the mid-90s, mix designs weren’t about compressive strength. They were about “five-bag” and “six-bag” mixes dictated by prescriptive specs. Jeff Slagle explains how the industry slowly moved away from cement-heavy recipes toward strength-based thinking, especially as producers shifted from residential to commercial work. Simple ingredients. Big mindset change.

Ready-mix producers don’t have a concrete problem. They have a driver problem. Jeff Slagle explains why autonomous concrete trucks aren’t a gimmick, they’re a response to a shrinking labor pool. When you can’t find, hire, or keep drivers, technology steps in. The question isn’t if this happens. It’s how fast.

In the ’70s and ’80s, high-range water reducers barely worked. In the early days of polycarboxylates, you had a short window and zero forgiveness. Today? You can let concrete sit, come back an hour later, add water, and it snaps right back. Jeff Slagle walks through how admixture chemistry quietly…

Prescriptive specs sound safe, but they often miss the point. Jeff Slagle explains why performance-based specs put responsibility where it belongs: on the people who design, batch, and guarantee the mix. If you want concrete to perform, stop dictating ratios and start defining outcomes.

PRESENTED BY: CONCRETE LOGIC ACADEMY Practical education and ongoing development for concrete professionals at every stage of their career. Join here: https://www.concretelogicacademy.com/ EPISODE SUMMARY Thirty years ago, concrete mix designs were simpler, more prescriptive, and easier to predict. Today, they’re optimized, blended, engineered, and heavily influenced by admixtures, SCMs, and…

PRESENTED BY: CONCRETE LOGIC ACADEMY Practical education and ongoing development for concrete professionals at every stage of their career. Join here: https://www.concretelogicacademy.com/ EPISODE SUMMARY Thirty years ago, concrete mix designs were simpler, more prescriptive, and easier to predict. Today, they’re optimized, blended, engineered, and heavily influenced by admixtures, SCMs, and…

Certain crack patterns aren’t random and they aren’t isolated. Once you start seeing them repeat across job sites, it’s no longer coincidence—it’s a systemic problem that needs expert attention.

Some concrete problems don’t announce themselves right away. The early cracking most people ignore is often the first sign that something much bigger is coming—and it’s only a matter of time.

The accelerated mortar bar test gets a lot of pushback, especially in academic circles. But it remains one of the fastest ways to expose ASR potential before it shows up in the field.

Everything can look perfect when the forms come off. Then you come back days later and the concrete tells a very different story—especially in restrained elements like elevator shafts.

ASR often gets dismissed as surface cracking, but that’s the dangerous mistake. By the time you can see it, the damage is already happening deep inside the concrete—and it’s accelerating fast.

PRESENTED BY: CONCRETE LOGIC ACADEMY Practical education and ongoing development for concrete professionals at every stage of their career. Join here: https://www.concretelogicacademy.com/ EPISODE SUMMARY Concrete cracks are often brushed off as shrinkage, restraint, or “just part of concrete.” That mindset gets structures in trouble. In this episode of the Concrete…

PRESENTED BY: CONCRETE LOGIC ACADEMY Practical education and ongoing development for concrete professionals at every stage of their career. Join here: https://www.concretelogicacademy.com/ EPISODE SUMMARY Concrete cracks are often brushed off as shrinkage, restraint, or “just part of concrete.” That mindset gets structures in trouble. In this episode of the Concrete…

Before signing an NDA, you need to be clear on the purpose, the goal, and what information actually needs to be shared. Chen Wang explains why some NDAs are overreaching, when it makes sense to walk away, and why legal advice matters before you put your name on anything.

The construction industry actually does a decent job respecting intellectual property—especially at the owner level. Chen Wang explains how that respect creates a healthier environment for innovators, while also acknowledging why adoption of new ideas in construction is understandably slow due to liability and risk.

Trade secrets aren’t just legal concepts—they’re operational decisions. Chen Wang explains how Steelike protects its UHPC formula through strict segmentation, and how constructability know-how can be licensed, taught, and monetized without giving ownership away.

Patents expire. Trade secrets don’t—if you actually treat them like secrets. Chen Wang explains how companies can maintain a true monopoly through trade secrets, using Coca-Cola as the classic example, and why misappropriating trade secrets isn’t just unethical—it can be criminal.

Patents, trade secrets, branding—there’s no one-size-fits-all approach to intellectual property. Chen Wang explains why your IP strategy should evolve with your product, from early research all the way to market, and why tying IP decisions to your business model actually matters.

There’s a lot more innovation happening in construction than people realize—but most teams aren’t thinking about intellectual property at all. Chen Wang explains why newer, more technical corners of the industry are forced to care about IP, while much of construction still treats innovation like it’s “the same as it’s…

How do you decide between filing a patent vs keeping something as a trade secret? Chen Wang breaks down the key point most people miss: once you disclose it, you can’t call it a trade secret anymore—so you’ve got to decide early.

PRESENTED BY: CONCRETE LOGIC ACADEMY Practical education and ongoing development for concrete professionals at every stage of their career. Join here: https://www.concretelogicacademy.com/ EPISODE SUMMARY If you’re building something new in this industry—mix designs, equipment, software, processes—there’s a good chance you’re creating intellectual property… without realizing it. In this episode, Seth…

PRESENTED BY: CONCRETE LOGIC ACADEMY Practical education and ongoing development for concrete professionals at every stage of their career. Join here: https://www.concretelogicacademy.com/ SUMMARY If you’re building something new in this industry—mix designs, equipment, software, processes—there’s a good chance you’re creating intellectual property… without realizing it. In this episode, Seth Tandett…

Why are we so comfortable watching concrete surfaces fail in 12 to 24 months while still talking about 50- and 75-year design lives? Dr. Jon Belkowitz questions when engineers stopped discussing long-term performance—and why design life has quietly disappeared from the conversation.