Numerically based qualitative evaluation of GPR vertical and horizontal resolutions for reinforced concrete structures
نویسندگان
چکیده
The GPR is widely used for non-destructive evaluation of reinforced concrete structures. High resolution detection needed in order to differentiate between multiple targets present the host medium. This article aims numerically study vertical and horizontal resolutions associated reinforcing bars buried a structure made from by means inspection. Use was open source software GprMax2D considering three work frequencies: 1GHz, 1.6GHz 2GHz. method scanning assumed be according B-scan protocol which conducted along profile traced on surface inspected member. In situ measurements were bridge pillar MALÅ CX system with frequency centred 1.6 GHz. obtained results show that effective examination most steel can detected. After making correction, predicted conventional formula verified. However, real imposes minimum distance separating higher than proposed literature. due high conductivity yields strong reflection signal at first reached impedes significant secondary located below them.
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ژورنال
عنوان ژورنال: MATEC web of conferences
سال: 2022
ISSN: ['2261-236X', '2274-7214']
DOI: https://doi.org/10.1051/matecconf/202237102002