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What are common methods used for detecting ASR?

Figure A3.F1. Photo. PCA aggregates. This photo shows aggregates aligned in a circles from large to small.
Figure A3.F1. PCA aggregates. 

Aggregate testing:

(Picture courtesy PCA)
ASTM C 295 - Standard Guide for Petrographic Examination of Aggregates for Concrete

ASTM C 289 - Standard Test Method for Potential Alkali-Silica Reactivity of Aggregates (chemical method)

Figure A3.F2. Figure. ASTM C1260 Testing. This figure includes two photos of 1260 testing. The first photo shows the mortar specimens placed submerged in NaOH solution within a blue storage container. The second photo shows a mortar bar specimen's length being measured.
Figure A3.F2. ASTM C1260 Testing.

Mortar testing:

ASTM C 227 - Standard Test Method for Potential Alkali Reactivity of Cement-Aggregate Combinations (mortar-bar method)

ASTM C 441 - Standard Test Method for Effectiveness of Mineral Admixtures or Ground-Blast Furnace Slag in Preventing Excessive Expansion of Concrete Due to the Alkali-Silica Reaction

ASTM C 1260 - Standard Test Method for Potential Alkali Reactivity of Aggregates (mortar-bar method)

ASTM C 1567 - Standard Test Method for Potential alkali-silica reactivity of combinations of cementitious materials and aggregate (accelerated mortar-bar method)

Figure A3.F3. Photo. ASTM C 1293 Concrete Testing. This photo shows 3 concrete prisms placed vertically inside of a five gallon bucket. This is the typical storage set up for this test method.
 Figure A3.F3. ASTM C 1293 Concrete Testing. 

Concrete testing:

ASTM C 1293 - Standard Test Method for Concrete Aggregates by Determination of Length Change Due to Alkali-Silica Reactivity.

 

 
Updated: 04/07/2011
 

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