Total Credits: 1 PDH
Concrete is the most widely used construction material and can be durable for hundreds of years; however, the main cause of concrete deterioration is from corrosion of reinforcing steel. Steel is thermodynamically unstable and will eventually oxidize to a lower energy state. The rate of deterioration in new and existing structures can be modeled to predict the service life based on the severity of the service environment, the concrete quality, the ingress of deleterious materials, and other factors to various degrees of success. This presentation will provide an overview of many of the service life models currently in use and provide an evaluation protocol for their application related to both new and existing structures.
|Presentation Slides (5.3 MB)
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Fred Goodwin is a retired chemist with >30 years of experience in the construction chemicals industry, including cement manufacture, research, development, and technical support of grouts, adhesives, coatings, shotcrete, stucco, flooring, and concrete repair materials. He worked with BASF and its predecessors for 31 years and is an active member and fellow of ASTM, ACI and ICRI, an Honorary Member of ASTM C1 & C9, and former chair of the ICRI Technical Activities Committee (TAC), ICRI 320 Materials and Methods, ACI 515 Protective Systems, ACI 364 Rehabilitation, ACI 090 TRRC, ASTM C09.41 Cement Based Grouts, ASTM C09.69 Volume Change, SSPC 8.3 Commercial Floor Coatings, and a former member of ICRI and ACI TAC. He was awarded the 2020 ICRI President’s Award, JCPL Editors Award in 2006, 2010, and 2012 as well as the ACI 2011 Delmar Bloem Distinguished Service Award and the ACI Foundation – Strategic Development Council – 2015 Jean-Claude Roumain Innovation in Concrete Award and the Award of Achievement for ASTM C9 in 2016. He is a NACE certified Corrosion Technologist, the inventor of six patents, was named as a Top 25 Innovative Thinker by Technology Publishing. He has served as a member of the ASC 321 Durability Code, ACI 562 Repair Code, ACI 563 Repair Specifications, ICRI 150/ACI562E Notes on the Repair Code oversight group, USBR M82 Corrosion Protocol expert team, and the ICRI Strategic Plan Implementation team.