Initial freeze–thaw damage detection in concrete using two-dimensional non-contact ultrasonic sensors

Doyun Kim,Ryulri Kim,Jiyoung Min,Hajin Choi

Construction and Building Materials（2023）

引用 3|浏览6

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摘要

•Surface peeling damage to concrete is freeze–thaw damage caused by osmotic pressure.•The dynamic modulus test method was insensitive to the damage at initial freeze–thaw cycle.•The scattering energy of ultrasonic waves was more sensitive to small-scale concrete damage.

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关键词

Initial freeze–thaw damage,Concrete,Ultrasonic scattering,Sub-wavelength dagame,Non-contact measurement

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