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Properties of tire rubber ash mortar
AbstractThe present study explores the effect of tire rubber ash (TRA) filler on different properties of Portland cement mortar. The properties investigated include air content, setting time, compressive and flexural strength, freezing and thawing damage, and chloride-ion penetration. The TRA was obtained by incinerating bulk quantities of tire rubber chips in an oven at a controlled temperature of 850 °C for 72 h. The TRA filler was utilized as partial replacement of sand in mortar mixtures at four levels: 2.5%, 5%, 7.5%, and 10% by weight. The water to cementitious materials ratio used in the mortar mixtures was 0.65. The test results showed that TRA could be used as a partial replacement of sand in mortar mixtures to produce workable mortar. The air content of the fresh mortar decreased with increasing TRA content. The initial and final setting time of fresh paste increased with increasing TRA content. The mortar containing different TRA replacement levels showed higher compressive strength at various curing periods up to the age of 90 days compared with control mortar. Also, the flexural strength of the TRA mortar was higher than that of control mortar. The mortar containing 5% and 10% TRA showed higher resistance to freezing and thawing damage and chloride-ion penetration than that of control mortar.
Properties of tire rubber ash mortar
AbstractThe present study explores the effect of tire rubber ash (TRA) filler on different properties of Portland cement mortar. The properties investigated include air content, setting time, compressive and flexural strength, freezing and thawing damage, and chloride-ion penetration. The TRA was obtained by incinerating bulk quantities of tire rubber chips in an oven at a controlled temperature of 850 °C for 72 h. The TRA filler was utilized as partial replacement of sand in mortar mixtures at four levels: 2.5%, 5%, 7.5%, and 10% by weight. The water to cementitious materials ratio used in the mortar mixtures was 0.65. The test results showed that TRA could be used as a partial replacement of sand in mortar mixtures to produce workable mortar. The air content of the fresh mortar decreased with increasing TRA content. The initial and final setting time of fresh paste increased with increasing TRA content. The mortar containing different TRA replacement levels showed higher compressive strength at various curing periods up to the age of 90 days compared with control mortar. Also, the flexural strength of the TRA mortar was higher than that of control mortar. The mortar containing 5% and 10% TRA showed higher resistance to freezing and thawing damage and chloride-ion penetration than that of control mortar.
Properties of tire rubber ash mortar
Al-Akhras, Nabil M (author) / Smadi, Mohammed M (author)
Cement and Concrete Composites ; 26 ; 821-826
2004-01-05
6 pages
Article (Journal)
Electronic Resource
English
Properties of tire rubber ash mortar
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