Experimental investigation on fly ash based self-compactingconcrete with metakaolin
Self-Compacting Concrete (SCC) is a fresh concrete which is highly flowable, and it can flow readily into place, fill the formwork without any compaction and without undergoing any significant segregation. It is used in the construction where it is hard to use vibrators for consolidation of concrete...
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| Veröffentlicht in: | Sustainability, agri, food and environmental research agri, food and environmental research, 2023-01, Vol.12 (1) |
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| container_title | Sustainability, agri, food and environmental research |
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| creator | Nazrin Fathima, Fazil M. Chithra, C.J |
| description | Self-Compacting Concrete (SCC) is a fresh concrete which is highly flowable, and it can flow readily into place, fill the formwork without any compaction and without undergoing any significant segregation. It is used in the construction where it is hard to use vibrators for consolidation of concrete. High amount of cement and chemical admixtures used in SCC reduces its wide scale usage. Metakaolin can be used as a better substitute to cement due to its cementitious properties. Metakaolin combines with Ca(OH)2produces additional cementation compounds and makes concretestrengthen. This study aims toexperimentallyinvestigate the fresh and strength properties offlyash based self-compacting concrete with different percentage replacement levels of metakaolin with cement.To obtain the optimum percentage of metakaolin in flyash based SCCin which metakaolin is partially replacing cementat 10%, 15% and 20%by weight of cement.M40 grade equivalent flyashbased SCC wasestablished based on fresh propertiessuch as flowability and passing abilityand strength parameterslike compressive strength, spilt tensile strength and flexural strength.The results showed that fresh properties decreased as the metakaolin content increased. The strength parameters increased about 15.2%, 12.82%and 14.1% for 15% metakaolin. |
| doi_str_mv | 10.7770/safer-V12N1-art2783 |
| format | Article |
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It is used in the construction where it is hard to use vibrators for consolidation of concrete. High amount of cement and chemical admixtures used in SCC reduces its wide scale usage. Metakaolin can be used as a better substitute to cement due to its cementitious properties. Metakaolin combines with Ca(OH)2produces additional cementation compounds and makes concretestrengthen. This study aims toexperimentallyinvestigate the fresh and strength properties offlyash based self-compacting concrete with different percentage replacement levels of metakaolin with cement.To obtain the optimum percentage of metakaolin in flyash based SCCin which metakaolin is partially replacing cementat 10%, 15% and 20%by weight of cement.M40 grade equivalent flyashbased SCC wasestablished based on fresh propertiessuch as flowability and passing abilityand strength parameterslike compressive strength, spilt tensile strength and flexural strength.The results showed that fresh properties decreased as the metakaolin content increased. 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It is used in the construction where it is hard to use vibrators for consolidation of concrete. High amount of cement and chemical admixtures used in SCC reduces its wide scale usage. Metakaolin can be used as a better substitute to cement due to its cementitious properties. Metakaolin combines with Ca(OH)2produces additional cementation compounds and makes concretestrengthen. This study aims toexperimentallyinvestigate the fresh and strength properties offlyash based self-compacting concrete with different percentage replacement levels of metakaolin with cement.To obtain the optimum percentage of metakaolin in flyash based SCCin which metakaolin is partially replacing cementat 10%, 15% and 20%by weight of cement.M40 grade equivalent flyashbased SCC wasestablished based on fresh propertiessuch as flowability and passing abilityand strength parameterslike compressive strength, spilt tensile strength and flexural strength.The results showed that fresh properties decreased as the metakaolin content increased. 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It is used in the construction where it is hard to use vibrators for consolidation of concrete. High amount of cement and chemical admixtures used in SCC reduces its wide scale usage. Metakaolin can be used as a better substitute to cement due to its cementitious properties. Metakaolin combines with Ca(OH)2produces additional cementation compounds and makes concretestrengthen. This study aims toexperimentallyinvestigate the fresh and strength properties offlyash based self-compacting concrete with different percentage replacement levels of metakaolin with cement.To obtain the optimum percentage of metakaolin in flyash based SCCin which metakaolin is partially replacing cementat 10%, 15% and 20%by weight of cement.M40 grade equivalent flyashbased SCC wasestablished based on fresh propertiessuch as flowability and passing abilityand strength parameterslike compressive strength, spilt tensile strength and flexural strength.The results showed that fresh properties decreased as the metakaolin content increased. The strength parameters increased about 15.2%, 12.82%and 14.1% for 15% metakaolin.</abstract><doi>10.7770/safer-V12N1-art2783</doi><oa>free_for_read</oa></addata></record> |
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| ispartof | Sustainability, agri, food and environmental research, 2023-01, Vol.12 (1) |
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| language | eng |
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| source | EZB Electronic Journals Library |
| title | Experimental investigation on fly ash based self-compactingconcrete with metakaolin |
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