The Soundness test method section of C311 currently directs users to prepare a test specimen of 25 parts ash to 100 parts cement, the intent of the language is to express that the fly ash or natural pozzolan constitute 20% by mass of the cementitious material to be used for the soundness test. However, the current language may lead to an incorrect interpretation; the task group desires to change language to reflect its intent.
Keywordsfly ash; natural pozzolan;
Withdrawn From Balloting
Ballot Item Approved as C311/C311M-2016 and Pending Publication