Perturbation mapping of water leak in buried water pipes via laboratory validation experiments with high-frequency ground penetrating radar (GPR)
Lai, Wallace W.L., Chang, Ray K.W., Sham, Janet F.C., Pang, K.
Published in Tunnelling and underground space technology (01.02.2016)
Published in Tunnelling and underground space technology (01.02.2016)
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Journal Article
Exploring utility system SDI – Managerial and technical perspectives
Pun-Cheng, Lilian S.C., Lai, Wallace W.L., Chang, Ray K.W.
Published in Tunnelling and underground space technology (01.04.2016)
Published in Tunnelling and underground space technology (01.04.2016)
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Journal Article
GPR imaging criteria
Luo, Tess X.H., Lai, Wallace W.L., Chang, Ray K.W., Goodman, Dean
Published in Journal of applied geophysics (01.06.2019)
Published in Journal of applied geophysics (01.06.2019)
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Journal Article
A blind test of nondestructive underground void detection by ground penetrating radar (GPR)
Lai, Wallace W.L., Chang, Ray K.W., Sham, Janet F.C.
Published in Journal of applied geophysics (01.02.2018)
Published in Journal of applied geophysics (01.02.2018)
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Journal Article
GPR wave dispersion for material characterization
Lai, Wallace W.L., Chang, Ray K.W., Völker, Christoph, Cheung, Bella W.Y.
Published in Construction & building materials (03.05.2021)
Published in Construction & building materials (03.05.2021)
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Journal Article
Tracing and imaging minor water seepage of concealed PVC pipe in a reinforced concrete wall by high-frequency ground penetrating radar
Lai, Wallace W.L., Leong-Ying Ho, Missoni, Chang, Ray K.W., Sham, Janet F.C., Poon, Chi-Sun
Published in Construction & building materials (01.10.2017)
Published in Construction & building materials (01.10.2017)
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Journal Article
Detection and imaging of city's underground void by GPR
Lai, Wallace W. L., Chang, Ray K. W., Sham, Janet F. C.
Published in 2017 9th International Workshop on Advanced Ground Penetrating Radar (IWAGPR) (01.06.2017)
Published in 2017 9th International Workshop on Advanced Ground Penetrating Radar (IWAGPR) (01.06.2017)
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Conference Proceeding