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Title: Use of spent foundry sand and fly ash for the development of green self-consolidating concrete
Authors: Şahmaran, Mustafa
Lachemi, Mohamed
Erdem, Tahir Kemal
Yücel, Hasan Erhan
Keywords: Durability
Fly ash
Foundry sand
Mechanical properties
Self consolidating concrete
Publisher: Springer Verlag
Source: Şahmaran, M., Lachemi, M., Erdem, T. K., and Yücel, H. E. (2011). Use of spent foundry sand and fly ash for the development of green self-consolidating concrete. Materials and Structures/Materiaux et Constructions, 44(7), 1193-1204. doi:10.1617/s11527-010-9692-7
Abstract: In the United States alone, the foundry industry discards up to 10 million tons of sand each year, offering up a plentiful potential resource to replace sand in concrete products. However, because the use of spent foundry sand (SFS) is currently very limited in the concrete industry, this study investigates whether SFS can successfully be used as a sand replacement material in cost-effective, green, self-consolidating concrete (SCC). In the study, SCC mixtures were developed to be even more inexpensive and environmentally friendly by incorporating Portland cement with fly ash (FA). Tests done on SCC mixtures to determine fresh properties (slump flow diameter, slump flow time, V-funnel flow time, yield stress, and relative viscosity), compressive strength, drying shrinkage and transport properties (rapid chloride permeability and volume of permeable pores) show that replacing up to 100% of sand with SFS and up to 70% Portland cement with FA enables the manufacture of green, lower cost SCC mixtures with proper fresh, mechanical and durability properties. The beneficial effects of FA compensate for some possible detrimental effects of SFS.
ISSN: 1359-5997
Appears in Collections:Civil Engineering / İnşaat Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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