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Utilization of GGBFS and Micro-fine as Partial Replacement of Cement in Mortar with Manufactured and River Sand
The compressive strength behavior of cement mortar with ground granulated blast furnace slag (GGBFS) and micro-fine (ultrafine GGBFS) was investigated. The strength characteristics of cement mortar are examined at different replacement level of different supplementary cementitious materials (GGBFS and micro-fine) And also used of manufactured sand with natural river sand of higher percentage of replacement of GGBFS and micro-fine in mortar. GGBFS that is partial replaced with cement was 10–70%, and micro-fine was 5–50% with cement in mortar with standard sand. Different tests on cement like initial-final setting time, consistency, soundness of cement, and compressive strength of mortar were observed for 7 days and 28 days of curing period. From above combination, 40% replacement of GGBFS and 50% replacement of micro-fine give better results compared to cement. Plastering mortar (1:3) is prepared with at 0.5 constant w/c ratio using natural sand as the fine aggregate and replacing it with 20–100% manufactured sand. The cubes were cast and tested on the 7 and 28 days of curing period. In both cases, replacement with 60% manufactured sand has attained higher strength, but 100% replacement manufacture sand also has a better effect than 100% natural river sand. In conclusion, the strength characteristics of manufactured sand were studied, and due to decent bonding properties, manufactured sand exhibits better strength. This study shows that manufactured sand can be used as a replacement for natural river sand in mortar.
Utilization of GGBFS and Micro-fine as Partial Replacement of Cement in Mortar with Manufactured and River Sand
The compressive strength behavior of cement mortar with ground granulated blast furnace slag (GGBFS) and micro-fine (ultrafine GGBFS) was investigated. The strength characteristics of cement mortar are examined at different replacement level of different supplementary cementitious materials (GGBFS and micro-fine) And also used of manufactured sand with natural river sand of higher percentage of replacement of GGBFS and micro-fine in mortar. GGBFS that is partial replaced with cement was 10–70%, and micro-fine was 5–50% with cement in mortar with standard sand. Different tests on cement like initial-final setting time, consistency, soundness of cement, and compressive strength of mortar were observed for 7 days and 28 days of curing period. From above combination, 40% replacement of GGBFS and 50% replacement of micro-fine give better results compared to cement. Plastering mortar (1:3) is prepared with at 0.5 constant w/c ratio using natural sand as the fine aggregate and replacing it with 20–100% manufactured sand. The cubes were cast and tested on the 7 and 28 days of curing period. In both cases, replacement with 60% manufactured sand has attained higher strength, but 100% replacement manufacture sand also has a better effect than 100% natural river sand. In conclusion, the strength characteristics of manufactured sand were studied, and due to decent bonding properties, manufactured sand exhibits better strength. This study shows that manufactured sand can be used as a replacement for natural river sand in mortar.
Utilization of GGBFS and Micro-fine as Partial Replacement of Cement in Mortar with Manufactured and River Sand
Lecture Notes in Civil Engineering
Kondraivendhan, B. (editor) / Modhera, C. D. (editor) / Matsagar, Vasant (editor) / Patel, Dhaval (author) / Modhera, C. D. (author) / Jagad, Gaurav B. (author)
2022-05-14
6 pages
Article/Chapter (Book)
Electronic Resource
English
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