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NRMCA Handling Concrete Specifications, Low Strength Problems and Mixture Submittals Dealing with concrete specifications, troubleshooting low strength problems and ensuring proper mixture submittals can be expensive and time consuming. This one-day course will get into code and specification requirements (ACI 318, 301, ASTM C94) governing ready mixed concrete including the new ACI Building Code 318-14. It will suggest specification revisions for all around benefits in... Details
When: February 27, 2019
Where: Milwaukee, WI
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The compilation, CONCRETE17, includes 43 current standards referenced in ASTM C94, Specification for Ready Mixed Concrete, and additional standards relevant to those involved in specifying, purchasing, manufacturing, testing and supplying ingredient materials for... Details
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Twenty comprehensive chapters explain every section of ASTM C 94 and 94M, including background, scope, referenced documents, ordering information, materials and much more. 130 pgs. #2PMNL49
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NRMCA MEMBER LOGIN IS REQUIRED TO PURCHASE THIS PUBLICATION

The compilation, CONCRETE17, includes 43 current standards referenced in ASTM C94, Specification for Ready Mixed Concrete, and additional standards relevant to those involved in specifying, purchasing, manufacturing, testing and supplying ingredient materials for... Details
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This second edition includes twenty-two comprehensive chapters that explain every section of ASTM C 94/C94M, including background, scope, referenced documents, ordering information, materials, requirements for production, acceptance of concrete and much more. 160 pgs.
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"Mixing Water Quality for Concrete" - Discusses the requirements of ASTM C1602 to qualify non-potable sources of water for use as mixing water in concrete. (In packages of 10)
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TIP 14 discusses the factors that impact the setting characteristics of concrete and outlines the procedure and determination of the time of setting by ASTM C403, Time of Setting of Concrete Mixtures by Penetration Resistance.
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This TIP provides guidance to concrete producers on managing returned concrete and options for disposal or reuse. It includes guidance on reusing freshly mixed returned concrete in accordance with ASTM C1798. (In packages of 10)
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"Density of Structural Lightweight Concrete" - Discusses the determination and relationship between oven-dry, equilibrium and fresh bulk density of lightweight concrete as covered in ASTM C567. (In packages of 10)
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This paper reviews several studies over the past 40 years which relate standard mortar strength and air content tests of cement to the performance of the cement in concrete. The standard ASTM tests for strength and air content of cement are found to correlate with concrete strength. It provides a useful tool by using cement strength data to evaluate variations in concrete strength. Reprint of the Winter 1993 issue of ASTM's Cement, Concrete and Aggregates. #2P184
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(ConcreteTech Quality Assurance Testing Series, Volume #1) 4"x8" compressive strength specimens are allowed by ASTM C31. They are faster and easier to prepare, and result in easier-to-handle eight pound cylinders (as compared to the 30 pound cylinders produced by 6"x12" specimens). And research shows that the 4"x8" specimens produce virtually the same test results. This information-packed, easy-to-follow 14-minute video, details the steps and procedures that an ACI Grade I Field... Details
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(ConcreteTech Quality Assurance Testing Series, Volume #1) 4"x8" compressive strength specimens are allowed by ASTM C31. They are faster and easier to prepare, and result in easier-to-handle eight pound cylinders (as compared to the 30 pound cylinders produced by 6"x12" specimens). And research shows that the 4"x8" specimens produce virtually the same test results. This information-packed, easy-to-follow 14-minute video, details the steps and procedures that an ACI Grade I Field... Details
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The authors of this paper have been intimately involved in the development of ASTM specifications for ready mixed concrete C 94 and C 685. This paper discusses the various requirements of the specifications and provides insight into the reasoning behind the various provisions. It includes a discussion on requirements for equipment and production methods for ready mixed concrete. It includes a discussion on use of wash water, returned concrete, w/cm in specifications etc. It is... Details
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Research data from two organizations evaluate the effect of core moisture condition, end preparation and length-to-diameter ratios of 1.0, 1.25, 1.5, 1.75, and 2.0. This data is the basis for the I/d corrections in ASTM methods C42 for testing cores.
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TIP 15 discusses a process for estimating in-place strength of concrete using one of the methods outlined in ASTM C1074, Practice for Estimating Concrete Strength by the Maturity Method. The TIP discusses developing the strength-maturity relationship, validation of the relationship and estimating in-place strength for scheduling construction activities.