Development of performance properties of ternary mixtures : field demonstrations and project summary.
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2012-07-01
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Abstract:Supplementary cementitious materials (SCM) have become common parts of modern concrete practice. The blending of two or three ; cementitious materials to optimize durability, strength, or economics provides owners, engineers, materials suppliers, and contractors ; with substantial advantages over mixtures containing only portland cement. However, these advances in concrete technology and ; engineering have not always been adequately captured in specifications for concrete. ; Users need specific guidance to assist them in defining the performance requirements for a concrete application and the selection of ; optimal proportions of the cementitious materials needed to produce the required durable concrete. The fact that blended cements are ; currently available in many regions increases options for mixtures and thus can complicate the selection process. Both portland and ; blended cements have already been optimized by the manufacturer to provide specific properties (such as setting time, shrinkage, and ; strength gain). The addition of SCMs (as binary, ternary, or even more complex mixtures) can alter these properties, and therefore has ; the potential to impact the overall performance and applications of concrete. ; This report is the final of a series of publications describing a project aimed at addressing effective use of ternary systems. The work ; was conducted in several stages and individual reports have been published at the end of each stage.
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Main Document Checksum:urn:sha-512:ee65419710bacc77cc40af6b2524536f55c8c0fcb62b9b5d133b040e79f5184865047ae0c0f5014c5c72b8498f6f20c0c4b0001389b160315f5961e77f082432