Description:ASTM C 94 covers the complex subject of ready-mixed concrete. This manual, co-published by ASTM International and the National Ready-Mixed Concrete Association, provides a complete and detailed explanation of C 94's uses and applications. It cuts through the broad language of the standard by using straightforward explanations and examples. Twenty comprehensive chapters plus an overview cover: • Background of ASTM C 94/C 94M • Scope • Referenced Documents • Basis of Purchase • Ordering Information • Materials • Tolerances in Slump • Air-Entrained Concrete • Measuring Materials • Batching Plant • Mixers and Agitators • Mixing and Delivery • Uses of Nonagitating Equipment • Batch Ticket Information • Plant Inspection • Practices, Test Methods, and Reporting • Sampling and Testing Fresh Concrete • Failure to Meet Strength Requirements • Keywords • Annex of Mandatory Information