Table of Contents
Chapter 1 - Introduction
1.1 Historical perspective
1.2 Scope of report
Chapter 2 - Manifestations of Distress Due to Alkali-Silica Reactivity
2.1 Introduction
2.2 Cracking mechanisms
2.3 Expansion & other indicators of alkali-silica reactivity
2.4 Alkali-silica reactivity reaction factors
2.5 Microscope evidence of alkali-silica reactivity
Chapter 3 - Alkali-Silica Reactivity mechanisms
3.1 Factors influencing the reaction
3.2 Basic mechanisms of reaction & expansion
Chapter 4 - Petrography of Alkali-Silica Reactive Aggregate
4.1 Introduction
4.2 Potentially reactive natural siliceius constituents
4.3 Potentially reactive synthetic materials
Chapter 5 - Measures to Prevent Alkali-Silica Reactivity
5.1 Overview
5.2 Limiting Moisture
5.3 Aggregate selection
5.4 Minmizing alkalies
5.5 Cement selection
5.6 Finely divided materials other than portland cement
5.7 Testing for the effictiveness of pozzolans or slags
5.8 Alkali content of concrete
5.9 Chemical admixtures
5.10 Other methods
Chapter 6 - Methods to Evaluate Potential for Expansive
Alkali-Silica Reactivity
6.1 Introduction
6.2 Field service record
6.3 Common tests to evaluate potential alkali-silica
reactivity of aggregates
6.4 Less common tests to evaluate potential alkali-silica
reactivity of aggregates
6.5 Tests to evaluate alkali-silica reactivity in hardened
concrete
6.6 Summary of testing
Chapter 7 - Manifestation of Distress Due to Alkali-Carbonate
Reactivity
7.1 Overview
7.2 Field indicators
7.3 Microscope indicators
7.4Role of environment, structure geometry, and
restraint on distress development
Chapter 8 - Alkali-Carbonate Reactivity Mechanisms
8.1 Overview
8.2 Characteristics of alkali-carbonate reactive rocks
8.3 Mechanism of reaction and expansion
Chapter 9 - Measures to Prevent Alkali-Carbonate Reactivity
9.1 Introduction
9.2 Aggregate selection
9.3 Cement
9.4 Pozzolans
9.5 Moisture
Chapter 10 - Methods to Evaluate Potential for Expansive Alkali-Carbonate Reactivity
10.1 Introduction
10.2 Field service record
10.3 Petrographic examination
10.4 Rock cylinder test
10.5 Concrete prism tests
10.6 Other procedures
10.7 Evaluation of new aggregate sources
Chapter 11 - Evaluation & Repair of Structures Affected
by Alkali-Aggregate Reactivity
11.1 Introduction
11.2 Evaluation
11.3 Repair methods and materials
Chapter 12 - References
12.1 Standards documents
12.2 Cited references