ASTM C1260-94 - 10.8.2001
 
1. Scope

1.1 This test method permits detection within 16 days of the potential for deleterious alkali-silica reaction of aggregate in mortar bars.

1.2 The values stated in SI units are to be regarded as standard. The values in inch-pound units are shown in parentheses, and are for informational purposes only.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. A specific precautionary statement is given in the section on Reagents.

 
2. Referenced Documents

C150/C150M-24

Standard Specification for Portland Cement

C151/C151M-23

Standard Test Method for Autoclave Expansion of Hydraulic Cement

C295/C295M-19

Standard Guide for Petrographic Examination of Aggregates for Concrete

C305-20

Standard Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic Consistency

C490/C490M-21

Standard Practice for Use of Apparatus for the Determination of Length Change of Hardened Cement Paste, Mortar, and Concrete

C511-21

Standard Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes

C128-25

Standard Test Method for Relative Density (Specific Gravity) and Absorption of Fine Aggregate

C127-25

Standard Test Method for Relative Density (Specific Gravity) and Absorption of Coarse Aggregate

C125-26

Standard Terminology Relating to Concrete and Concrete Aggregates

C109/C109M-26a

Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 50 mm [2 in.] Cube Specimens) (Includes all amendments and changes 7/30/2026).

D1193-24

Standard Specification for Reagent Water

C670-24ae1

Standard Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials (Includes all amendments and changes 2/21/2025).

C856-18

Standard Practice for Petrographic Examination of Hardened Concrete

E11-24

Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves