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The objective of the session is to educate government code officials, licensed design professionals, owners, and contractors on the applicability and use of ACI 562-13, “Code Requirements for Evaluation, Repair, and Rehabilitation of Concrete Buildings and Commentary,” and the new ACI/ICRI “Guide to the Code for Evaluation, Repair, and Rehabilitation of Concrete Buildings” through practical examples.

This session will explore whether ground limestone and mineral filler should be considered inert fillers or considered to contribute to hydration, strength, economy, and sustainability of concrete mixtures.

The purpose of the session is to show the audience how consolidation needs to be reconsidered for modern twenty-first-century concrete mixtures.

However, these short-duration tests (the concrete prism test, mortar bar method test, accelerated mortar bar test, new concrete cylinder test, and new autoclave concrete prism test) have limitations in their ability to provide a direct measure of how a job’s concrete mixture might perform in the field over the long term.

The structural evaluation process of existing concrete structures involves the understanding of existing capacity, safety, and future expected life.

Although there are some codes and guidelines to help engineers to obtain this information, the acceptable criterion is the target reliability index, which is rarely used or defined in current codes.

These sessions will shed light on developments in the areas of new test methods that are focused on assessing the alkali-silica reactivity potential of a job’s concrete mixture and new nondestructive test methods to evaluate the extent of damage in job concrete mixtures.

Engineers, contractors, researchers, and students will benefit from learning about the latest research and test methods that will pave the way for a performance-based approach in specifying durability in concrete mixtures.