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<p>Strain hardening cementitious composite (SHCC) is an excellent construction material with obvious advantages of large tensile strain capacity and superb durability. However, the permeability behavior of SHCC is not fully clarified due to various mix proportions with complex ingredients in SHCC. In this paper, an experimental investigation into the permeability behavior of the matrix in SHCC is presented, which focuses on the influence from the curing time and the contents of water and silica fume in the mix proportion. The experimental investigations confirm that the impermeability performance of the matrix in SHCC becomes worse with the increasing water-to-binder ratio and decreasing silica fume-to-binder proportion, which is also increased with the increasing curing time. This work provides an experimental foundation for subsequent research on SHCC permeability regulation.</p>

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Permeability Behavior Influence of Matrix in Strain Hardening Cementitious Composites

  • 期刊论文

  • 发表日期：

    2026年5月4日

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  • Yongxing Zhang,
  • Bingnan Sun,
  • Wenhua Zhang,
  • Haibo Xie

摘要

Strain hardening cementitious composite (SHCC) is an excellent construction material with obvious advantages of large tensile strain capacity and superb durability. However, the permeability behavior of SHCC is not fully clarified due to various mix proportions with complex ingredients in SHCC. In this paper, an experimental investigation into the permeability behavior of the matrix in SHCC is presented, which focuses on the influence from the curing time and the contents of water and silica fume in the mix proportion. The experimental investigations confirm that the impermeability performance of the matrix in SHCC becomes worse with the increasing water-to-binder ratio and decreasing silica fume-to-binder proportion, which is also increased with the increasing curing time. This work provides an experimental foundation for subsequent research on SHCC permeability regulation.