A3000-18

1 Scope 1.1 This Standard addresses the following aspects of cementitious materials: a) their definitions; b) their chemical, physical, and uniformity requirements; c) the tests required; d) the procedures for inspection and sampling; and e) the units of measurement, packaging, marking, and storage. 1.2 The cementitious materials for use in concrete are classified as follows in this Standard: a) portland cement; b) blended hydraulic cement; c) portland-limestone cement; d) supplementary cementitious materials; and e) blended supplementary cementitious materials. 1.3 In these Standards, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standards; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible within the limits of the Standards. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application. 1.4 The values given in SI units are the units of record for the purposes of these Standards. The values given in parentheses are for information and comparison only.