Synopsis
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
About the Author
D. Gene Daniel D. Gene Daniel holds the degrees of Bachelor of Architectural Engineering from Oklahoma State University and an MSCE from the University of Arkansas. Following a period as an instructor at the University of Arkansas, he entered private practice as a civil engineer in Fort Smith, Arkansas. He also owned and acted as principle engineer for a geotechnical and construction materials testing laboratory. He later became Technical Director and President of a ready-mixed concrete company before becoming Consulting Director of Technical Services for a group of ready-mixed concrete operations. He is a past president of the American Consulting Engineer's Council of Arkansas and a member of the Arkansas Academy of Civil Engineers. Mr. Daniel has held the title of Fellow in the National Academy of Forensic Engineers and served on the NRMCA Research, Engineering, and Standards Committee. As a longtime member of American Concrete Institute, he has served on several technical committees and currently is a member of the Technical Specifications Committee. He was elected an ACI Fellow in 1998. Mr. Daniel, a 42-year member of ASTM International, remains an active member of ASTM Committee C 09 on Concrete and Concrete Aggregates and is the current Chair of C 09.60, Testing Fresh Concrete, and C 09.20.01, C 33 Specification for Concrete Aggregates. He is also a member of C 09.40, Ready-Mixed Concrete; C 09.61, Testing for Strength; and C 09.98, Evaluation of Laboratories. Colin L. Lobo Dr. Colin L. Lobo is Vice President of the Engineering Division at the National Ready Mixed Concrete Association in Silver Spring, Maryland. He has been with the NRMCA for 14 years and is an active member of ASTM Committees C09 on Concrete and Concrete Aggregates and C01 on Cement. He is an active member on committees of the American Concrete Institute responsible for the Building Code for Structural Concrete, Specifications for Structural Concrete, and Proportioning and Testing of Concrete. He has published several papers on concrete technology, specifications, and practical use of concrete as a construction material. He has developed and administered educational programs and materials on concrete for the ready-mixed concrete industry and its customers. Dr. Lobo has responsibilities for the education, research, and technical programs at the NRMCA. Dr. Lobo is a Fellow of the American Concrete Institute. He holds a Ph.D. from Purdue University, an MS from Northeastern University, and a B.E. in Civil Engineering from Mysore University in India. He is a registered Professional Engineer in the state of Maryland.
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