The contents of this course include six recorded presentations from the ACI 2022 Fall Convention.
• Activation of Low-Amorphous Content Materials, by Prannoy Suraneni, University of Miami
• Reactivity and Durability of Beneficiated Harvested Class C Fly Ash, by Kyle Riding, University of Florida
• So You’ve Measured Reactivity – Now What?, by Keshav Bharadwaj Ravi, Oregon State University
• Understanding and Measuring the Reactivity of Supplementary Cementitious Materials, by Karen Scrivener, Ecole Polytechnique Federale De Lausanne
• High-Alkali Natural Pozzolans and Their Ability to Mitigate ASR, by Prasad Rangaraju, Clemson University
• Critical Assessment of Rapid Methods to Qualify Supplementary Cementitious Materials for Use in Concrete, by Saif Al-Shmaisani, Cow Town Redi-Mix Concrete
INSTRUCTIONS: Study the materials included in this module. Then, complete and pass the corresponding 10-question quiz with a score of 80% or higher to receive a certificate for 0.15 CEU (equivalent to 1.5 PDH).
Continuing Education Credit: 0.15 CEU (1.5 PDH)
Approved by AIA and ICC
Access Period: 30 days
Fly ash and slag supplies are running out. In order, to ensure sustainable and durable concrete, we must use novel supplementary cementitious materials in concrete. Arguably the most important property of supplementary cementitious materials that governs their use is their reactivity. This course covers all aspects of supplementary cementitious materials reactivity - from fundamental modeling studies to reactivity test methods, to links between reactivity and durability, to thoughts on changes in specifications. The course is aimed at students, researchers, and the industry, who will learn fundamental and applied science and engineering of supplementary cementitious materials reactivity.
Author: Suraneni, Riding, Ravi, Scrivener, Rangaraiu,
Publication Year: 2023
Categories: Cementitious Materials, Fly Ash, Testing
Formats: Online Learning
Table of Contents
1. Discuss the reactivity of low-amorphous content materials using thermal and mechanochemical activation methods, such as amorphous calcium aluminosilicate glass systems, basal fines, and others, that are normally thought of as inert materials.
2. Explain the importance of early-age reactivity and reaction kinetics for supplementary cementitious materials (SCMs).
3. Discuss the reactivity and performance of natural pozzolans to reproduce the reaction environment of hydrating blended cements.
4. Recognize links between SCM reactivity and concrete durability and mechanisms by which SCMs reduce expansion due to ASR.
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