Back-fill grouting quality evaluation of the shield tunnel using ground penetrating radar with bi-frequency back projection method
Xiongyao Xie, Junli Zhai, Biao Zhou
Topics & Concepts
Ground-penetrating radarSettlement (finance)ShieldRadarEngineeringDedicated lineQuality (philosophy)Geotechnical engineeringGeologyComputer scienceTelecommunicationsPaymentPhilosophyWorld Wide WebPetrologyEpistemologyGeophysical Methods and ApplicationsRock Mechanics and ModelingGeotechnical Engineering and Underground Structures