Properties of Fresh Concrete: Proceedings of the by H.J. Wierig

By H.J. Wierig

This booklet offers new details on concrete homes and creation within the gentle of the common use of prepared combined concrete and new concreting fabrics. This publication kinds the lawsuits of the RILEM Colloquium held in Hanover, West Germany in October 1990. Papers from 18 international locations in Europe, North the USA and the a long way East are incorporated.

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Additional resources for Properties of Fresh Concrete: Proceedings of the International RILEM Colloquium (RILEM Proceedings 10)

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266–272 and pp. : Fundamentals of Portland Cement Concrete: A Quantitative Approach. Vol. 1: Fresh Concrete. : The workability of concrete. 008, Cem. & Concr. : Konsistenz und Ansteifen des Frischbetons. Einfluβ verschiedener Zemente und unterschiedlicher Frischbetontemperaturen. : Vergleichende Untersuchungen über die Ausgangskonsistenz und das Ansteifen von Frischbeton unter Labor- und groβtechnischen Bedingungen. : Ansteifen des Frischbetons (3); Vergleich zwischen Labor- und Groβversuch. : Meβstreuungen bei der Prü-fung der Frischbeton-Konsistenz.

The influence of the anhydrite can be rated small, because the plotted results, when considering solely the hemihydrate contribution, already approximate a steady curve. Only where nothing but anhydrite is present in the cement, an influence can be determined compared with clinker without sulphate addition. For each temperature tested a peak of the amount of bleeding water is found in relationship to the content of hemihydrate added. In this case an optimum sedimentation of the solid parts in the cement paste is reached due to a low structural development.

Cements J1 and J2 were not used to make concrete with the A aggregate and cement C2 was not used to make concrete with the B aggregate. 3 Correlation Analysis The Pearson Correlation Coefficient provides a measure of the inter-relationships between pairs of variables. A correlation coefficient close to +1 (or –1) indicates a strong association with a positive (or negative) relationship. A correlation coefficient close to zero indicates little or no association between the pair of variables. 2 Table 2.

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