Abstract
As a new technology of non-destructive testing, the ground penetrating radar (GPR) has the characteristics of non-destructive, accurate, high efficiency and low cost. Based on the successful application experience of GPR in asphalt pavement detection, the feasibility of GPR to detect asphalt concrete impervious facing is proved through laboratory verification, radar forward modelling and field test. Many random blisters and cracks appear in the asphalt concrete impervious facing of the Zhanghewan Pumped Storage Power Station selected for field tests. The detection by the GPR showed that the defects occurred only in the upper anti-seepage layer, and the drainage layer and the lower anti-seepage layer had no obvious defects, which were fully consistent with coring results. Therefore, GPR is a fast, non-destructive and reliable technique for detecting asphalt concrete impervious facing. At present, China is in the period of large-scale construction of pumped-storage power stations, and the demand for rapid inspection and maintenance engineering is also increasing. The method of the ground-based radar will certainly play a greater role in the rapid detection of impervious structural defects in asphalt concrete facings.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: IOP Conference Series: Materials Science and Engineering
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
