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137
Oct. 28, 2025

EP #137: Silica Fume vs. Colloidal Silica in Concrete - Which One Really Performs?

What happens when the concrete industry’s “wonder dust” meets its high-tech rival? In this episode of the Concrete Logic Podcast, host Seth Tandett brings back Dan McCoy and Dr. Jon Belkowitz to challenge everything we thought we knew about silica fume. From bridge deck overlays that crack like eggshells to the real CO₂ math no one wants to talk about, the guys separate hype from chemistry and ask the only question that matters: What are we really asking this concrete to do? What You’ll Learn ...
104
Nov. 14, 2024

EP #104: Tackling Concrete's Fly Ash Problem

In this episode of the Concrete Logic Podcast, Seth and Joe Shetterley discuss the innovative technology of liquid fly ash (LFA) and its implications for the concrete industry. Joe explains the differences between traditional fly ash and LFA, highlighting the challenges faced with conventional supplementary cementitious materials (SCMs) and the importance of water management in concrete mixes. The conversation delves into the testing and implementation of LFA, its benefits in stabilizing concret...