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A Damage Mechanics–Based Analysis of CNT-Modified Self-Sensing Cementitious Composites
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A Damage Mechanics–Based Analysis of CNT-Modified Self-Sensing Cementitious Composites

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Abstract:

Smart construction systems require materials capable of autonomously detecting structural damage with high precision and reliability. This study develops self-sensing cementitious composites and evaluates their feasibility using a damage-mechanics-based framework. Mechanical loading tests were performed while monitoring electrical resistance, and the correlation between fractional change in resistance and damage variable was quantitatively assessed. The conductive network generated by dispersed functional fibers enabled deformation-induced electrical variation, providing real-time sensing capability. Unlike prior studies focusing solely on electrical response, this work integrates continuum damage mechanics to establish a predictive electro-mechanical relationship. Results demonstrate a strong correlation between electrical response and internal damage evolution, validating the feasibility of applying these self-sensing composites to smart structural systems for health monitoring and early-stage damage detection.

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Periodical:

Advances in Science and Technology (Volume 179)

Pages:

9-14

DOI:

https://doi.org/10.4028/p-fKuhH5

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Online since:

June 2026

Authors:

Seungyeol Oh*, Hyeona Kwon, Seongwon Hong

Keywords:

Carbon Nanotube, Composites, Damage Mechanics, Mechanical Property, Self-Sensing

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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