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133
Sept. 16, 2025

EP #133: Concrete, Climate, and the Missing Science of Evaporation

What if sunlight alone—not heat—was silently destroying your concrete? In this episode of the Concrete Logic Podcast, Seth Tandett and Bob Higgins uncover a groundbreaking MIT study that reveals evaporation can be driven by light, not just temperature. This discovery doesn’t just change climate models—it could explain why concrete in the field fails in ways labs never predict. From sublimation and surface chemistry to curing practices and accountability, this episode forces the industry to face...
119
April 22, 2025

EP #119: Is More Limestone the Key to Stronger, Cheaper Concrete?

What if you were told there’s better concrete out there with more limestone than what’s used in Type IL cement mixes? Sounds crazy, right? But that’s exactly what we’re exploring today with John Guynn and John Kline. In this episode, we explore ACI 211-7R and its potential to reduce cement content without sacrificing performance. Learn how adjusting particle size distribution, using admixtures, and understanding the water-cement ratio can improve workability and strength. Plus, get insights on ...
116
March 20, 2025

EP #116: Why Concrete Fails – The Hidden Truths About Moisture, Salt & Curing

💥 The Concrete Logic Podcast 💥 🛠️ Hosted by: Seth Tandett 🔥 EP #116: WHY CONCRETE FAILS – THE HIDDEN TRUTHS ABOUT MOISTURE, SALT & CURING 🔥 ============================= This video is NOT sponsored. Some product links are affiliate links which means if you buy something we'll receive a small commission. ============================= In this episode, Seth Tandett and "Concrete Bob" Higgins expose the biggest reasons why concrete fails. From moisture infiltration and salt damage to the surprisi...
102
Oct. 24, 2024

EP #102: Testing Cement: How to Ensure Quality in the Concrete Industry

In this episode of the Concrete Logic Podcast, Seth and Dr. Jon Belkowitz delve into the complexities of cement testing, particularly focusing on Type 1L cement and the challenges posed by blended cements. They discuss the importance of establishing a proactive quality management system to ensure the integrity of concrete mixes, emphasizing the need for rigorous testing and quality control measures. The conversation highlights the financial implications of poor quality control and the potential ...
75
Feb. 1, 2024

EP #075: How to Unlearn Everything You Know About Moisture in Concrete

Summary In this episode, Seth interviews Robert Higgins, a flooring concrete consultant specialist, about the issue of moisture in old concrete. Robert explains that moisture in older concrete is caused by a condition called ionic dew point, where particles migrate to the surface due to diffusion, not moisture migration. He emphasizes the importance of addressing older concrete differently and recommends grinding off the surface to remove accumulated salts. Robert also discusses the acclim...
45
April 20, 2023

EP #045: EPA NOx Out Concrete

In this episode of the Concrete Logic Podcast, host Seth sits down with Peter Paone, Director of Engineering at ZAP Engineering, to discuss the cement manufacturing process, regulations surrounding NOx emissions, and technological innovations in kiln designs. Peter dives into how the cement industry is addressing both efficiency and environmental concerns, specifically focusing on the "Good Neighbor" rule, which impacts NOx emissions from cement plants. They explore how emission control methods ...
Guest: Peter Paone