SAGO PALM FIBERS AND GGBFS FOR SUSTAINABLE HIGH-TENSILE-STRENGTH SELF-COMPACTING CONCRETE

Authors

  • Lisa Oksri-Nelfia
  • Arya Raditya
  • Triastuti
  • Ananto Nugroho
  • Deprizon Syamsunur
  • Ouali Amiri

Keywords:

GGBFS, Palm stem fiber, SCC, SEM, Tensile strength, X-ray diffraction

Abstract

This study uses palm stem fibers, notable as a by-product of industry, and ground granulated blast furnace slag (GGBFS) to assess the mechanical properties of concrete that potentially lead to sustainable and high tensile-strength performance. We aim to enhance the mechanical characteristics of palm stem fibers in self-compacting concrete mixtures, with and without NaOH treatments. The study used 25% GGBFS as a substitute for cement and non-treated fiber, along with treated fiber with 0.25%, 0.5%, and 0.75% binder content. Substituting 25% GGBFS into the cement and adding 0.5% treatment fiber to the binder content produced the highest compressive strength of 73.90 MPa. Substituting 25% GGBFS into the cement and adding 0.75% non-treatment and treatment fibers to the binder volume yields optimum tensile strengths of 6.03 MPa and 6.23 MPa, respectively. A Scanning Electron Microscope (SEM) was used to analyze the morphological features of the surface of a concrete mixture. The study then utilized X-ray fluorescence (XRF) and X-ray diffraction (XRD) for mineral characterization, with the different molecular compositions confirmed by FTIR spectroscopy. The SEM images indicate that the fibers did not successfully adhere to the cement paste in the untreated fiber concrete, while fiber-treated concrete, by contrast, bonded with the cement paste due to the reduction of the lignin present. We conclude by demonstrating that the incorporation of treated palm stem fibers and GGBFS increased both the tensile and compressive strengths of SCC, therefore offering an eco-friendly and effective alternative to high-performance concrete.

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Published

2025-01-17

How to Cite

Lisa Oksri-Nelfia, Raditya, A., Triastuti, Ananto Nugroho, Syamsunur, D., & Amiri, O. (2025). SAGO PALM FIBERS AND GGBFS FOR SUSTAINABLE HIGH-TENSILE-STRENGTH SELF-COMPACTING CONCRETE. GEOMATE Journal, 28(125), 44–55. Retrieved from https://geomatejournal.com/geomate/article/view/4650