I. Soroka's Concrete in Hot Environments (Modern Concrete Technology) PDF

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By I. Soroka

ISBN-10: 0203239822

ISBN-13: 9780203239827

ISBN-10: 0419159703

ISBN-13: 9780419159704

This publication is the 1st to offer a unified remedy of the topic. It concentrates at the homes of concrete, the constitution of cement, power, quantity adjustments and sturdiness in sizzling environments and should be of serious price to scientists and engineers concerned with glossy concrete expertise either in educational examine in addition to civil and structural engineering tasks.

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Extra info for Concrete in Hot Environments (Modern Concrete Technology)

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IVe Journees Nationales de Calorimetrier, (1982), pp. 2/41–2/48 (in French). 18. 2R–73) (Reaffirmed 1986). In ACI Manual of Concrete Practice (Part 1). ACI, Detroit, MI, USA, 1986. 19. 1R–87). In ACI Manual of Concrete Practice (Part 1). ACI, Detroit, MI, USA, 1990. 1. MINERAL ADMIXTURES Admixtures are, by definition, ‘a material other than water, aggregates, hydraulic cement and fibre reinforcement used as an ingredient of concrete or mortar and added to the batch immediately before or during mixing’ (ASTM C125).

The decrease in porosity brings about a corresponding increase in strength. The rate of hydration increases with temperature. e. slump loss) is accelerated, its initial and final setting 38 CONCRETE IN HOT ENVIRONMENTS Fig. 16. Temperature rise in mass concrete made with 223 kg/m3 cement of different types. (Adapted from Ref. ) times are reduced, and the rise in concrete temperature is increased. Accordingly, it may be concluded that in hot weather conditions, the use of low-heat cement is to be preferred and the use of rapid-hardening cement must be avoided.

Effect of temperature on the degree of hydration. (Adapted from Ref. ) SETTING AND HARDENING 31 Fig. 9. Effect of curing temperature on the ratio of combined water to heat of hydration. (Adapted from Ref. ) argued that, in the tests considered, the ultimate degree of hydration was not reached, thereby explaining, partly at least, the somewhat contradictory nature of the data in question. In any case, the temperature effect on ultimate degree of hydration is apparently small and of limited practical importance.

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Concrete in Hot Environments (Modern Concrete Technology) by I. Soroka

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