On-Demand Course: ACI 201.2R-16: Updated Guidance on Concrete Durability (Part 1)

On-Demand Course: ACI 201.2R-16: Updated Guidance on Concrete Durability (Part 1)

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The contents of this course include four recorded presentations from the ACI 2017 Fall Convention:

• Introduction: What is Durable Concrete? by Thomas J. Van Dam, Nichols Consulting Engineers

• Mass Transport in Concrete by Tyler Ley, Oklahoma State University; and Rachel J. Detwiler, Beton Consulting Engineers, LLC

• Freezing and Thawing of Concrete by Donald J. Janssen, University of Washington; and Tyler Ley, Oklahoma State University

• Alkali-Aggregate Reactivity by Michael D. A. Thomas, University of New Brunswick

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 0.1 CEU (equivalent to 1.0 PDH). This online course is not approved for credit with the Florida Construction Industry Licensing Board (CILB).

Continuing Education Credit: 0.1 CEU (1.0 PDH)

Approved AIA and ICC

Access Period: 30 days


This course introduces ACI 201.2R-16, “Guide to Durable Concrete.” In the presentations, the chapter leaders discuss various aspects of what makes concrete “durable.” Topics include mass transport, susceptibility to freezing and thawing, alkali-aggregate reactivity, sulfate attack, aggressive chemicals, and physical salt attack, corrosion. Engineers and contractors responsible for designing, specifying, and constructing with concrete will learn about the most recent findings and research with regards to concrete durability.


Document Details

Author: Van Dam, Ley, Janssen, Thomas


Categories: Aggregates, Cementitious Materials, Corrosion, Durability

Formats: Online Learning

Table of Contents

Learning Objectives

1. Describe the fundamental concepts underlying mass transport in concrete, movement of liquids, gasses, and chemical ions in solution through concrete pore structure, and discuss how mass transport initiates damage in concrete.

2. Explain types of damage from freezing and thawing cycles and measures to design concrete mixture properties to improve resistance to deterioration, such as surface scaling, surface disintegration, and D-cracking, of concrete exposed to freezing and thawing environments.

3. Explain Alkali-Aggregate Reaction types and mechanisms of alkali-aggregate reactivity (AAR), alkali carbonate reactivity (ACR) and alkali sulfate reactivity (ASR) and how these reactions negatively affect durability of concrete.

4. Describe measures to mitigate ACR and ASR with use of supplementary cementitious materials, admixtures, low-alkali cement, nonreactive aggregates, and other measures that are designed into concrete mixtures for concrete exposed to AAR


Any applicable errata are included with individual documents at the time of purchase. Errata are not included for collections or sets of documents such as the ACI Collection. For a listing of and access to all product errata, visit the Errata page.

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Exchanges: Contact ACI’s Customer Services Department for options (+1.248.848.3800 – ACICustomerService@concrete.org).