Identification of electromagnetic wave velocity in materials diagnosed by GPR method

Vol. 556 (12) 2018 / poniedziałek, 31 grudnia, 2018


J. Lachowicz,
M. Rucka,
DOI: 10.15199/33.2018.12.25

Volume 556: Issue 12
Pages 76-78
Accepted for publication: 04.09.2017 r.

This study is devoted to the method of identification of electromagnetic wave velocity based on the analysis of diffractions due to the presence of inclusions in reinforced concrete, masonry and reinforced concrete masonry composite structures. Three mathematical models describing diffractions characteristic for a circular inclusion, a vertical inclusion at the scanning surface and a boundary between two media with a circular inclusion in one of them are derived. Numerical analyses using the finite-difference time-domain method were performed to confirm the effectiveness of the presented mathematical models in the identification of the wave propagation velocity. The proposed method was verified on experimental GPR data. Keywords: non-destructive diagnostics; GPRmethod; reinforced concrete structures; masonry structures.
  1. Bęben Damian, Janusz Ukleja, Wojciech Anigacz. 2012. „Badania muru oporowego z wykorzystaniemgeoradaru”. Inżynieria i Budownictwo (8): 413 – 417.
  2. Lachowicz Jacek, Magdalena Rucka. 2016. „Experimental and numerical investigations for GPR evaluation of reinforced concrete footbridge”. 16th International Conference on Ground Penetrating Radar (GPR), 1 – 6.
  3. Rucka Magdalena, Jacek Lachowicz, Monika Zielińska. 2016. „GPR investigation of the strengthening system of a historic masonry tower”. Journal of Applied Geophysics (131): 94 – 102.
  4. Shihab Shihabuzzaman, Al-Nuaimy Waleed. 2005. „Radius estimation for cylindrical objects detected by ground penetrating radar”. Subsurface Sensing Technologies and Applications 6 (2): 151 – 166.
  5. Topczewski Łukasz. 2011. „Wytyczne stosowania georadaru GPR podczas inspekcji mostów żelbetowych”. Drogi i Mosty (11): 329 – 343.
  6. Warren Craig, Antonis Giannopoulos, Iraklis Giannakis. 2016. „gprMax: Open source software to simulate electromagnetic wave propagation for Ground Penetrating Radar”. Computer Physics Communications (209): 163 – 170.
  7. Yee Kane S. 1966. „Numerical solution of initial boundary value problems involving Maxwell’s equations in isotropic media”. IEEE Transactions on Antennas and Propagation (14 (3)): 302 – 307.
mgr inż. Jacek Lachowicz, dr hab. inż. Magdalena Rucka, prof. PG, Politechnika Gdańska,Wydział Inżynierii Lądowej i Środowiska

mgr inż. Jacek Lachowicz, dr hab. inż. Magdalena Rucka, prof. PG, Politechnika Gdańska,Wydział Inżynierii Lądowej i Środowiska

Full paper is available at Publisher house SIGMA-NOT Sp. z o.o. webpage

DOI: 10.15199/33.2018.12.25