Velocity field inversion for heterogeneous concrete and recognition of near-surface rebar using ultrasonic waves

Key Points

• Velocity field inversion successfully identifies near-surface rebar in heterogeneous concrete, improving detection efficiency.
• Efficacy demonstrated through ultrasonic wave application, achieving significant accuracy with no prior invasive procedures.
• Observational analysis employs advanced signal processing techniques to monitor rebar conditions, enhancing structural assessment.
• Potential applications may enable improved construction safety protocols and better maintenance strategies for infrastructure.