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This paper investigates the effects of ground granulated blast furnace slag (GS) and sugarcane bagasse ash (BA) on the properties of mortar. Firstly, BA was selected using a simple sieving method. Three-component mixtures were prepared by replacing cement with the various GS and BA contents in the range of 0–20%. Certain properties were investigated, including workability, bulk density, and compressive and flexural strengths. The results revealed that the presence of GS in the mixture yields long-term strength and reduces water demand, whereas BA requires more water and reduces strength in the early stage. The sample using 10% GS and 10% BA had compressive strengths and flexural strengths of 45.25 MPa and 8.48 MPa, respectively, after 112 days. Results indicated that the potential of GS-BA to replace cement and reduce CO2 emissions in sustainable construction scenarios.

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Synergistic Effects of Ground Granulated Blast Furnace Slag and Sugarcane Bagasse Ash on Mortar Cement Properties

  • 会议论文

  • 发表日期：

    2026年

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  • Thao-Van Vo,
  • Vu To-Anh Phan

摘要

This paper investigates the effects of ground granulated blast furnace slag (GS) and sugarcane bagasse ash (BA) on the properties of mortar. Firstly, BA was selected using a simple sieving method. Three-component mixtures were prepared by replacing cement with the various GS and BA contents in the range of 0–20%. Certain properties were investigated, including workability, bulk density, and compressive and flexural strengths. The results revealed that the presence of GS in the mixture yields long-term strength and reduces water demand, whereas BA requires more water and reduces strength in the early stage. The sample using 10% GS and 10% BA had compressive strengths and flexural strengths of 45.25 MPa and 8.48 MPa, respectively, after 112 days. Results indicated that the potential of GS-BA to replace cement and reduce CO2 emissions in sustainable construction scenarios.