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<p>In order to optimize the analysis of the slab Impulse Response testing results performed in the search for soil–structure contact violations, an approach to calculating composite attributes is proposed. The synthetic additive and multiplicative attributes take into account the behavior of three interrelated parameters of acoustic signals: the energy of the normalized signal, the area of the normalized spectrum, and the weighted average frequency. The application of the proposed approach to the data obtained during physical modeling and inspection of structures is shown, with confirmed positions of voids at the soil–structure contact.</p>

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Application of Composite Dynamic Attributes in Void Detection by Impulse Response Testing

  • 期刊论文

  • 发表日期：

    2026年1月1日

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  • Aleksei A. Churkin

摘要

In order to optimize the analysis of the slab Impulse Response testing results performed in the search for soil–structure contact violations, an approach to calculating composite attributes is proposed. The synthetic additive and multiplicative attributes take into account the behavior of three interrelated parameters of acoustic signals: the energy of the normalized signal, the area of the normalized spectrum, and the weighted average frequency. The application of the proposed approach to the data obtained during physical modeling and inspection of structures is shown, with confirmed positions of voids at the soil–structure contact.