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2014 | 19 | 1-2 | 97-107

Article title

Methodology of Moisture Measurement in Porous Materials Using Time Domain Reflectometry / Metodyka Prowadzenia Badań Wilgotności W Ośrodkach Porowatych Za Pomocą Reflektometrii W Domenie Czasu


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The article presents the description of measurement methodology of moisture transport in unsaturated porous materials using Time Domain Reflectometry (TDR) technique on the example of measurement of capillary uptake phenomenon in the sample of autoclaved aerated concrete (AAC). In the paper there are presented basic principles of the TDR method as a technique applied in metrology, its potential for measurement of moisture in porous materials like soils and porous building materials. Second part of the article presents the experiment of capillary rise process in the sample of AAC. Within the experiment moisture content was monitored in the sample exposed on water influence. Monitoring was conducted using TDR FP/mts probes. Preparation of the measuring setup was presented in detail. The TDR readouts post-processing, graphical presentations of the obtained results, short discussion and comparison of TDR readouts to gravimetric measurement were also presented.
W artykule przedstawiono opis metodyki pomiaru transportu wilgoci w nienasyconych porowatych materiałach przy wykorzystaniu techniki Time Domain Reflectometry (TDR) na przykładzie pomiarów zjawiska podciągania kapilarnego przez próbkę autoklawizowanego betonu komórkowego. Zaprezentowano podstawowe informacje na temat metody TDR jako techniki stosowanej w metrologii. Omówiono jej potencjał do pomiarów wilgoci w takich ośrodkach porowatych, jak gleby i porowate materiały budowlane. Druga część artykułu przedstawia eksperyment podciągania kapilarnego przez próbkę autoklawizowanego betonu komórkowego. W trakcie trwania eksperymentu monitorowano zmiany wilgotności w próbce wystawionej na oddziaływaniewody. Monitoring realizowano za pomocą sond TDR FP/mts. Rozdział „Materials and Methods” przedstawia szczegółowo przygotowanie stanowiska pomiarowego. W rozdziale „Results” podano odczyty miernika TDR przeliczone na wilgotność oraz zaprezentowano uzyskane wyniki w postaci graficznej. Zawarto w nim również krótką dyskusję wyników i porównanie odczytów TDR z pomiarami grawimetrycznymi.









Physical description


1 - 12 - 2014
6 - 2 - 2015


  • Faculty of Environmental Engineering, Lublin University of Technology, ul. Nadbystrzycka 40B, 20-618 Lublin, Poland, phone +48 81 538 43 22
  • Faculty of Environmental Engineering, Lublin University of Technology, ul. Nadbystrzycka 40B, 20-618 Lublin, Poland, phone +48 81 538 43 22
  • Faculty of Environmental Engineering, Lublin University of Technology, ul. Nadbystrzycka 40B, 20-618 Lublin, Poland, phone +48 81 538 43 22
  • Faculty of Civil Engineering and Architecture, Lublin University of Technology, ul. Nadbystrzycka 40, 20-618 Lublin, Poland
  • Faculty of Civil Engineering and Architecture, Lublin University of Technology, ul. Nadbystrzycka 40,


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