TB/T 2922.2-1998
Test method for alkali activity of aggregates used in railway concrete Chemical method (English Version)

Standard No.

TB/T 2922.2-1998

Language

Chinese, Available in English version

Release Date

1998

Published By

Professional Standard - Railway

Latest

TB/T 2922.2-1998

Scope

This standard specifies the sampling methods, reagents and materials, instruments and equipment, test procedures and results processing methods for testing the alkali activity of aggregates used in railway concrete using chemical methods. This standard applies to silicic acid rock aggregates.

TB/T 2922.2-1998 history

• 1998 TB/T 2922.2-1998 Test method for alkali activity of aggregates used in railway concrete Chemical method