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ACI 221.1R

Report on Alkali-Aggregate Reactivity

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Organization: ACI
Publication Date: 1 January 1998
Status: active
Page Count: 30
scope:

This report is intended to provide information on ASR and ACR. Accordingly, chapters in this report provide an overview of the nature of both ASR and ACR reactions, the means of avoiding the deleterious effects of each reaction, methods of testing for potential expansion of cement-aggregate combinations, measures to prevent deleterious reactions, and recommendations for evaluation and repair of existing structures.

 

Document History

ACI 221.1R
January 1, 1998
Report on Alkali-Aggregate Reactivity
This report is intended to provide information on ASR and ACR. Accordingly, chapters in this report provide an overview of the nature of both ASR and ACR reactions, the means of avoiding the...
ACI 221.1R
January 1, 1998
State-of-the-Art Report on Alkali-Aggregate Reactivity
This report is intended to provide information on ASR and ACR. Accordingly, chapters in this report provide an overview of the nature of both ASR and ACR reactions, the means of avoiding the...

References

This document references:
ACI 207.3R - Report on Practices for Evaluation of Concrete in Existing Massive Structures for Service Conditions
Published by ACI on January 1, 2018
This report focuses on practices used to evaluate concrete in existing massive structures. Design considerations, evaluation of existing operating records and past inspection reports, condition...
This document references:
ACI 207.3R - Report on Practices for Evaluation of Concrete in Existing Massive Structures for Service Conditions
Published by ACI on January 1, 2018
This report focuses on practices used to evaluate concrete in existing massive structures. Design considerations, evaluation of existing operating records and past inspection reports, condition...
This document references:
ACI 212.3R - Report on Chemical Admixtures for Concrete
Published by ACI on March 1, 2016
This report deals with state-of-the-art and commonly used admixtures. Materials such as supplementary cementitious materials that are used to produce concrete are only referred to in regards to their...
This document references:
ACI 224.1R - Causes, Evaluation, and Repair of Cracks in Concrete Structures
Published by ACI on March 1, 2007
PREFACE Cracks in concrete have many causes. They may affect appearance only, or they may indicate significant structural distress or a lack of durability. Cracks may represent the total extent of...
This document references:
ACI 228.1R - Report on Methods for Estimating In-Place Concrete Strength
Published by ACI on January 1, 2019
In-place tests are performed typically on concrete within a structure, in contrast to tests performed on molded specimens made from the concrete to be used in the structure. Historically, they have...
This document references:
ACI 201.1R - Guide for Conducting a Visual Inspection of Concrete in Service
Published by ACI on July 1, 2008
This is a guide for a visual inspection of concrete in service. A visual inspection is an examination of concrete to identify and define many of the various conditions concrete may exhibit during its...
This document is referenced by:
ACI 543R - Guide to Design, Manufacture, and Installation of Concrete Piles
Published by ACI on March 1, 2012
General Piles are slender structural elements installed in the ground to support a load or compact the soil. They are made of several materials or combinations of materials and are installed by...
This document is referenced by:
ACI SP-191 - Water-Cement Ratio and Other Durability Parameters
Published by ACI on January 1, 2000
A description is not available for this item.
This document is referenced by:
ACI 546.3R - Guide for the Selection of Materials for the Repair of Concrete
Published by ACI on June 1, 2014
This guide discusses material selection for several types of repairs and materials used in their repair: a) Concrete replacements, categorized on the basis of the depth and orientation of repair; b)...
This document is referenced by:
ACI 329R - Report on Performance-Based Requirements for Concrete
Published by ACI on December 1, 2014
Objective and scope The objectives of this report are as follows: a) Provide an introduction to performance specifications and discuss how they compare with prescriptive specifications b) Discuss the...
This document is referenced by:
ACI 211.8R - Guide to Troubleshooting Concrete Mixture Issues as Influenced by Constitutive Materials, Jobsite Conditions, or Testing Practices
Published by ACI on June 1, 2015
ACI 211.1 provides methods for selecting proportions for concrete mixtures. Concrete may require adjustments to the mixture proportions throughout the course of the project due to the normal...
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