The contents of this course include three recorded presentations from the ACI 2018 Fall Convention:
• Eliminating Prescriptive Requirements for Concrete is an Easy First Step, by Colin Lobo, NRMCA
• Performance Requirements for Ready Mixed Concrete in North America—Are We There Yet? by Oscar Antommattei, Kiewit Engineering Group
• Prescription to Performance, by Joshua Edwards, AVR Inc.
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 PDH)
Approved AIA and ICC
Access Period: 30 days
A growing trend in the concrete industry is to provide less prescriptive and more performance-based concrete mixture specifications to allow contractors more workable materials and methods to meet concrete placement and performance expectations. Advantages and disadvantages of using performance-based concrete mixture specifications will be presented. As part of the discussion of performance-based specifications, some examples of concrete bridge deck placements from 2004 to 2014 using both performance-based and prescriptive-based concrete mixture specifications are discussed to compare and contrast the pros and cons of using either type of specification in bridge deck construction.
Author: Lobo, Antommattei, Edwards
Categories: Mixture Proportioning, Specifications
Formats: Online Learning
Table of Contents
1. Discuss the goals of performance-based concrete mixture specifications.
2. Compare and contrast prescriptive-based and performance-based specifications and explain how prescriptive specifications may lead to less economical, less durable concrete.
3. Recall methods to implement performance-based concrete mixture specifications.
4. Describe the advantages of performance-based concrete specifications when producing the many different examples of bridge deck construction projects.
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