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This paper presents an advanced analysis of the fracture behavior in steel fiber-reinforced concrete using an in-house 3D nonlinear finite element analysis (3D-NLFEA). The 50 MPa concrete strength, specially designed for slab-track structures, is strengthened with hooked-end DRAMIX 3D 65/35 fibers. The purpose was to gain additional tensile strength and improved post-peak behavior, including enhanced fracture tensile energy and toughness of the steel fiber reinforced concrete (SFRC) compared to plain concrete. This study uses an experimental and numerical simulation of the noted SFRC beam with 2.0% fiber content. The load in the experimental test is applied as a static load and is controlled using displacement control. The numerical simulation uses an in-house 3DNLFEA package utilizing the multi-surface plasticity-fracture model. The test result shows that the tensile strength and fracture energy increased significantly. The developed numerical model was able to capture accurately the peak load and the post-peak softening behavior of the notched SFRC beam.

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Finite Element Modeling of the Steel Fiber Reinforced Concrete Notched Beam with DRAMIX 3D 65/35

  • 会议论文

  • 发表日期：

    2025年

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  • Akbar Kalam Ramzy,
  • Bambang Piscesa,
  • Mudji Irmawan,
  • Danny Triputra Setiamanah,
  • Indra Komara,
  • Wahyuniarsih Sutrisno,
  • Priyo Suprobo

摘要

This paper presents an advanced analysis of the fracture behavior in steel fiber-reinforced concrete using an in-house 3D nonlinear finite element analysis (3D-NLFEA). The 50 MPa concrete strength, specially designed for slab-track structures, is strengthened with hooked-end DRAMIX 3D 65/35 fibers. The purpose was to gain additional tensile strength and improved post-peak behavior, including enhanced fracture tensile energy and toughness of the steel fiber reinforced concrete (SFRC) compared to plain concrete. This study uses an experimental and numerical simulation of the noted SFRC beam with 2.0% fiber content. The load in the experimental test is applied as a static load and is controlled using displacement control. The numerical simulation uses an in-house 3DNLFEA package utilizing the multi-surface plasticity-fracture model. The test result shows that the tensile strength and fracture energy increased significantly. The developed numerical model was able to capture accurately the peak load and the post-peak softening behavior of the notched SFRC beam.