Specifications and Protocols for Acceptance Tests on Processing Additions in Cement M

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Specifications and Protocols for Acceptance Tests on Processing Additions in Cement Manufacturing

Author: Taylor, Peter C | Size: 3.09 MB | Format: PDF | Quality: Original preprint | Publisher: Transportation Research Board | Year: 2008 | pages: 94 | ISBN: 9780309099349

This report presents recommended changes to the cement specifications and test protocols contained in AASHTO Standard Specifications for Transportation Materials and Methods of Sampling and Testing (AASHTO M 85). These changes pertain to the amount of processing additions that can be incorporated in the cement and the tests required for evaluating acceptability of cements incorporating processing additions. The report also presents a recommended specification for evaluating processing additions that may be used in amounts exceeding those stipulated in the cement specification. These specifications will guide materials engineers and cement producers in evaluating cements and assuring that highway concrete is not deleteriously affected by the presence of such additions. The information contained in the report will be of immediate interest to state materials engineers and others involved in specifying and evaluating concrete mixtures for use in highway pavements and structures.

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