A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Influence of the Addition of Sugar Cane Bagasse Ash on Durability of Concrete Structures
The environmental impact of cement production was increased significantly in the last years. It is estimated that for each ton of cement produced, approximately one ton of carbon dioxide is emitted, divided into: decarbonation (50%), combustion in the clinker furnace (40%), transport of raw materials (5%) and electricity (5%). From a world perspective, green strategies have been advanced in order to reduce the environmental impact of the cement production. In this sense, the sugar cane bagasse ash is a by-product resulted from boilers of sugar and alcohol factories. This material, composed mainly of silica, can be used as a mineral admixture in mortar and concrete, with great economic and environmental advantages. This work intent to collaborate for the partial substitution of Portland cement by sugar cane bagasse (SCB), in order to reduce the consume of clinker by volume of concrete, which is the responsible for the high emission of CO2 to the atmosphere. For this, an experimental campaign was carried out with cementitious pastes to evaluate the changes in their properties, namely the durability, due to the use of SCB ash. Finally, it could be concluded that concrete structures with sugar cane bagasse ash presented an interesting behavior and, in terms of durability, the samples containing 15% of the ash of sugarcane bagasse showed good results, being important to highlight the need and interest of doing further research on the topic.
Influence of the Addition of Sugar Cane Bagasse Ash on Durability of Concrete Structures
The environmental impact of cement production was increased significantly in the last years. It is estimated that for each ton of cement produced, approximately one ton of carbon dioxide is emitted, divided into: decarbonation (50%), combustion in the clinker furnace (40%), transport of raw materials (5%) and electricity (5%). From a world perspective, green strategies have been advanced in order to reduce the environmental impact of the cement production. In this sense, the sugar cane bagasse ash is a by-product resulted from boilers of sugar and alcohol factories. This material, composed mainly of silica, can be used as a mineral admixture in mortar and concrete, with great economic and environmental advantages. This work intent to collaborate for the partial substitution of Portland cement by sugar cane bagasse (SCB), in order to reduce the consume of clinker by volume of concrete, which is the responsible for the high emission of CO2 to the atmosphere. For this, an experimental campaign was carried out with cementitious pastes to evaluate the changes in their properties, namely the durability, due to the use of SCB ash. Finally, it could be concluded that concrete structures with sugar cane bagasse ash presented an interesting behavior and, in terms of durability, the samples containing 15% of the ash of sugarcane bagasse showed good results, being important to highlight the need and interest of doing further research on the topic.
Influence of the Addition of Sugar Cane Bagasse Ash on Durability of Concrete Structures
Building Pathology
Delgado, J. M. P. Q. (editor) / Delgado, J. M. P. Q. (author) / Berenguer, R. (author) / Lima, N. (author) / Valdés, A. C. (author) / Medeiros, M. H. F. (author) / Azevedo, A. C. (author) / Lima, N. B. D. (author)
2021-03-11
57 pages
Article/Chapter (Book)
Electronic Resource
English
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