The Impact of Using GGBFS on The Modulus of Elasticity of Concrete with Chloride Immersion

DOI

10.2991/978-94-6463-926-1_38How to use a DOI?

Keywords

Chloride; Compressive strength; GGBFS; Modulus Of Elasticity

Abstract

Infrastructure development plays a crucial role in accelerating national progress in Indonesia. As an archipelagic nation where water territories cover two-thirds of the total land area, concrete utilization is particularly significant for coastal, offshore, and water-related construction projects. This study investigates the effects of substituting 50%, 60%, and 70% Ground Granulated Blast Furnace Slag (GGBFS) on the compressive strength and elastic modulus of normal concrete. The research incorporates 0.5% Type F superplasticizer by cement weight to enhance concrete performance, using materials that meet both SNI (Indonesian National Standard) and ASTM standards. Concrete specimens were tested at 7, 28, and 56 days for compressive strength evaluation, while elastic modulus was measured at 28 and 56 days. The results demonstrated that the 50% GGBFS mixture achieved optimal performance, with compressive strengths of 24.01 MPa at 28 days and 27.01 MPa at 56 days, as well as elastic modulus values of 23,030.959 MPa and 24,426.438 MPa at these respective ages. These findings indicate that GGBFS substitution effectively improves the compressive strength of normal concrete, supporting sustainable construction practices. However, the study also reveals that this substitution method does not significantly enhance concrete stiffness, suggesting limitations in its application for projects requiring improved rigidity. The research provides valuable insights for optimizing concrete mixtures in Indonesia's marine construction projects while highlighting areas for further improvement in material performance.

Copyright

© 2025 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Pratikto Pratikto
AU  - Omar Agustiano Nardini
AU  - Anni Susilowati
PY  - 2025
DA  - 2025/12/31
TI  - The Impact of Using GGBFS on The Modulus of Elasticity of Concrete with Chloride Immersion
BT  - Proceedings of the International Conference on Applied Science and Technology on Engineering Science 2025 (iCAST-ES 2025)
PB  - Atlantis Press
SP  - 335
EP  - 342
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-926-1_38
DO  - 10.2991/978-94-6463-926-1_38
ID  - Pratikto2025
ER  -