Effect Of Fly Ash Performance Of Pervious Concrete

ACI International Conference
Publication Type:
Conference Proceeding
Ninth ACI International Conference on Superplasticizers and Other Chemical Admixtures in Concrete and Tenth ACI International Conference on Recent Advances in Concrete Technology and Sustainability Issues - SUPPLEMENTARY PAPERS, 2009, pp. 511 - 520
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Production of good quality pervious concrete is necessary to meet specification requirements for the construction of durable concrete pervious pavements. This paper reports and discusses the results of an experimental investigation into the physical and engineering properties ofpervious concrete having varying amounts of fly ash as the cement replacement material. The following properties were studied: porosity density, compressive strength weight loss on drying, free drying shrinkage and water permeability. The results thowed that porosity has significant effect on compressive strength and permeability of pervioos concrete. Replacement of cement with fly ash up to 50%, by mass ofbinder, had no significant effect on the water permeability and shrinkage ofshe pervious concrete, although marginal effect on strength was noticed.
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