Work Item
ASTM WK75554

Revision of C311/C311M-18 Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use in Portland-Cement Concrete


None Provided


This ballot proposes changes to ASTM C311 to clarify requirements as to cements used in testing. Low-alkali portland cement is no longer defined in ASTM C150 and these changes make clear what the requirements are for cements used in ASR-related testing.


Developed by Subcommittee: C09.24

Committee: C09

Staff Manager: W Scott Orthey

Work Item Status

Date Initiated: 01-18-2021

Technical Contact: Ivan Diaz