Webinar (December 6): Highlights of Guide Changes from ACI 211.1-91 to ACI 211.1-22 Selecting Proportions for Concrete

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DATE: Tuesday, December 6

TIME: 1:00 pm to 2:00 pm EDT

Continuing Education Credit: 0.1 CEU (1.0 PDH)

Approved AIA and ICC

Access Period: 30 days

CEU (PDH) REQUIREMENTS:

To earn CEU (PDH) credit, individuals must purchase the webinar and attend the live webinar for the entire duration (or pass the quiz available after the webinar).

Detailed Webinar Instructions

Description

The presentation provides an overview of the newly published ACI 211.1-22: Selecting Proportions for Normal-Density and High Density-Concrete – Guide. This guide will help ready mixed suppliers and contractors with strategies for designing and adjusting normal density concrete mixture proportioning to meet project specifications and contractor workability goals. This new publication replaces a previous version of this guide last published in 1991. This presentation will provide a comparison between these two versions and will give updates on numerous characteristics of mixture proportioning including: the selection process for mix constituents, impact of supplementary cementitious materials on performance and sustainability, and revised mixture proportioning examples incorporating parameters such as cement efficiency and paste volume. The presentation will conclude with some design proportioning mixture examples that include supplementary cementitious materials and water content adjustments.

 

Document Details

Author: Ezgi Wilson

Publication Year: 2022

ISBN:

Categories: Admixtures, Aggregates, Cementitious Materials, Materials, Mixture Proportioning

Formats: Online Learning

Table of Contents

Learning Objectives:

1. Identify major changes made to the ACI 211 guide.

2. Describe the steps in mixture proportioning.

3. Discuss the changes made to supplementary cementitious materials, and their impact on performance and mix proportioning.

4. Review of two new examples incorporating "cement efficiency factor” and "paste volume” parameters.

ERRATA INFO

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