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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: Decision-making on increasing limestone content of general purpose cement
Author(s): Iman (James) Mohammadi, Warren South
Appears on pages(s): 528-537
Keywords: General purpose (GP) cements; Limestone; Compressive Strength; Drying Shrinkage; Inferential analysis
Abstract:Following the publication of the Australian Standard AS 3972, "General purpose and blended (GP) cements" in 2010, a research programme was undertaken to determine the effect, if any, of increasing the maximum permissible mineral addition in Type GP cement. This paper involves the assessment of the variation in standard laboratory concrete properties due to increasing the limestone addition in cement. Workability, bleed water, compressive strength and drying shrinkage of concrete samples with different limestone contents in the range of 5% to 12% were examined. Based on the research results, it is recommended that the maximum allowable mineral addition in Type GP cement be increased from 7.5% to 12%.
Cement Concrete & Aggregates Australia, International Partner Access.
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