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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Shrinkage Cracking of Self Compacting Concrete (SCC) with GGBS
Author(s): Salah Altoubat and Deena Badran
Publication: Special Publication
Appears on pages(s): 1-10
Keywords: SCC, GGBS proportion, curing, degree of restraint, shrinkage cracking
Abstract:The use of Ground Granulated Blast Furnace Slag (GGBS) in Self Compacting Concrete (SCC) has become an alternative choice to improve the fresh properties and to reduce the amount of cement. Such use of GGBS has also been recognized as a mean toward a more sustainable and green construction. This paper presents experimental results from restrained shrinkage tests that were used to assess the cracking potential of various SCC Mixes. The effects of GGBS proportion, degree of restraint and curing regime are specifically addressed in this paper. The GGBS was added to replace the cement by up to 70% and the restrained shrinkage cracking was investigated using two types of standard rings; ASTM and AASHTO rings, which provide two different degrees of restraint. The results revealed that the cracking potential of the SCC mixes was affected significantly by the proportion of GGBS, curing regime and degree of restraint. The results suggest optimum proportions of GGBS for different degrees for restraints.
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