March 18, 2021 | 2 p.m. Eastern | 1 p.m. Central
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Trinseo’s Modifier A™/NA Latex and Latex Modified Concrete technology were developed over 50 years ago for rehabilitation of old and worn out bridge deck surfaces. This technology has stood the test of time; both as a technology that continues to be selected for bridge deck overlays, and in actual performance, with many LMC overlays lasting 30 to 40 years with minimal maintenance required.
Modifier A™/NA latex meets all polymer and performance requirements outlined in Report Number FHWA RD-78-35, “Styrene-Butadiene Latex Modifiers for Bridge Deck Overlay Concrete.” In addition, recent testing of LMC shows robust performance even under lower temperature conditions. The excellent performance of LMC overlays is highly dependent on proper bridge deck preparation and installation practices. Reliable contractors with LMC experience have proven that LMC overlays, when installed properly, are unmatched for durability and long-term performance.
Latex Modified Concrete offers several performance benefits over Portland Cement Concrete (PCC) and other technologies. LMC enables outstanding flexural strength, bond strength and chloride ion permeability resistance, making it an excellent choice for almost all regions of North America and other parts of the world.
Learning Objectives:
- Brief history of Modifier A/NA Latex and Latex Modified Concrete (LMC) technology.
- Performance benefits of LMC used in bridge deck overlays.
- Performance of LMC as outlined in Report Number FHWA RD-78-35, “Styrene-Butadiene Latex Modifiers for Bridge Deck Overlay Concrete.”
- Performance of LMC under low temperature conditions
- Keys to excellent performance
- Bridge deck preparation
- Installation guidance
Company Profile:
Trinseo is a global materials solutions provider and a manufacturer of plastics, latex binders, and synthetic rubber. Trinseo delivers innovative solutions to help our customers create products that are intrinsic to how we live—products that touch lives every day across a wide range of end-markets.
As the pioneers of styrene butadiene latex more than seven decades ago, Trinseo brings expertise, global reach, and proven latex binder technologies to its customers. Trinseo solutions offer the consistency and reliability that customers require. By combining our long-standing industry leadership, state-of-the-art automated plants, and sophisticated quality control Trinseo delivers high-quality products and peace of mind.
At Trinseo, we believe innovation is a product of collaboration, and we’re passionate about helping our customers meet their most complex materials challenges.
Speaker Profiles:
Chuck Fifelski
Technical Service & Development Specialist, Trinseo
Chuck Fifelski’s current role is with Trinseo as part of the Technical Service and Development team focused on synthetic latex applications and polymer development for Adhesives and Construction markets. Chuck has over 35 years of experience in latex technology covering a broad range of applications and chemistries, and he is Trinseo’s primary technical contact for Modifier A™/NA Latex and Latex Modified Concrete applications. His background in chemical engineering and leadership training has supported success in establishing new latex products and technology around the world.
Pat Martens, PE
Bridge Preservation Engineer, Bridge Preservation & Inspection Services
Patrick Martens is a registered professional engineer in the state of Missouri. He worked for over 30 years with the Missouri Department of Transportation in bridge construction, inspection, and maintenance. Currently, he is an independent consultant for Bridge Preservation and Inspection Services. His focus is on bridge deck preservation treatments with a vast Latex Modified Concrete background. Mr. Martens works with the LMC Working Group, a team of experts devoted solely to the successful installation of LMC overlays and provides training to agencies throughout the country on proper installation techniques for LMC.