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October 5, 2025BuildingsOpen Access

Study on Chloride Diffusion Performance and Structural Durability Design of UHPC Under Chloride Salt Erosion

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Authors

WKWenbo KangKMKuihua MeiWLWei Liu

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Overview

This study demonstrates improved chloride diffusion and structural durability of UHPC, indicating effective design methods.

Key Points

  • The incorporation of steel fibers reduced chloride diffusion by 37.9%, enhancing UHPC's durability.
  • After 300 days, the free chloride content in UHPC increased by 92.0% at 2 mm, revealing significant chloride penetration.
  • A time-dependent diffusion model developed for UHPC shows D decreased by 91.0% under long-term immersion testing.
  • Minimum protective layer thicknesses for UHPC in composite beams are essential for durability across design lifespans of 100 to 200 years.

Cite This Study

Kang et al. (2025) studied this question.

synapsesocial.com/papers/68e24e65d6d66a53c24735b5https://doi.org/10.3390/buildings15193569
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