MCPT- Reliable Test Method for ASR Potential and Mitigation Evaluation: New Test Method for Evaluating the ASR Potential of Aggregates, the Effectiveness of ASR Mitigation and the Job Mixture

MCPT- Reliable Test Method for ASR Potential and Mitigation Evaluation: New Test Method for Evaluating the ASR Potential of Aggregates, the Effectiveness of ASR Mitigation and the Job Mixture

von Enamur Latifee
Taschenbuch - 9783639661286
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Beschreibung

Existing test methods to characterize ASR potential of aggregates and mitigation ability of supplementary cementing materials such as the Accelerated Mortar Bar Test (AMBT) and the Concrete Prism Test (CPT) are widely accepted in the industry. Although, the AMBT is a rapid test, the results from this test can be unreliable, particularly with certain types of aggregates. The CPT is considered as a more reliable test; however, the duration of this test method renders it impractical for routine usage in the industry to screen deleterious materials or inefficient ASR mitigation measures. This book presents a new test method-Miniature Concrete Prism Test (MCPT) that overcomes the deficiencies of the AMBT and the CPT. This test method can also be employed to assess the mitigation effectiveness of supplementary cementing materials. Results from the MCPT of 12 reactive and non-reactive aggregates with known field performance were compared with the results from the AMBT and the CPT methods. Finally, an approach to evaluate ASR potential of job concrete mixture was proposed and two airfield taxiway-job mixtures with known field history were tested using the MCPT in this regard.

Details

Verlag SPS
Ersterscheinung Juli 2014
Maße 220 mm x 150 mm x 13 mm
Gewicht 332 Gramm
Format Taschenbuch
ISBN-13 9783639661286
Auflage Nicht bekannt
Seiten 212

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