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Hai Liu

Guangzhou University

Guangzhou Higher Education Mega Center

Waihuanxi Road 230

Guangzhou, 510006

China

SCHOLARLY PAPERS

12

DOWNLOADS

486

TOTAL CITATIONS

1

Scholarly Papers (12)

1.

Enhanced Imaging of Concealed Defects Behind Reinforced Concrete Linings: Employing a Residual Channel Attention Network for Rebar Clutter Suppression

Number of pages: 40 Posted: 21 Mar 2024
Guangzhou University, Guangzhou University, Guangzhou University, Guangzhou University and Shijiazhuang Tiedao University
Downloads 62 (951,658)

Abstract:

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Concealed Defects Detection, Ground Penetrating Radar (GPR), Rebar Clutter Suppression, Residual Channel Attention Network (RCAN), Reverse Time Migration (RTM)

2.

Integration of Ultrasonic Tomography and Gpr Full Waveform Inversion for Internal Decay Detection in Tree Trunks

Number of pages: 14 Posted: 15 Jun 2025
Guangzhou University, Guangzhou University, Guangzhou University, Guangzhou University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Forestry and Forest Products Research Institute, Kingston University and Guangzhou University
Downloads 57 (989,921)

Abstract:

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Tree trunk, decay inspection, ground penetrating radar (GPR), ultrasonic tomography, full waveform inversion (FWI)

3.

Efficient Modeling of Buildings for Post-Earthquake Inspection Aided by Automatic Uav Path Planning

Number of pages: 24 Posted: 16 Apr 2025
Guangzhou University, Guangzhou University, Guangzhou University, Tsinghua University, Guangzhou University, University of Illinois at Urbana-Champaign and University of Illinois Urbana-Champaign
Downloads 52 (1,041,696)

Abstract:

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Computer Vision, unmanned aerial vehicles, image collection, flight path planning, visualization model

4.

Compaction Test of Rolled Rockfill Material Using Multimodal Rayleigh Wave Dispersion Inversion

Number of pages: 25 Posted: 02 Nov 2024
Guangzhou University, Guangzhou University, Guangzhou University, Guangzhou University, Guangzhou University, affiliation not provided to SSRN and University of Illinois at Urbana-Champaign
Downloads 49 (1,074,648)

Abstract:

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Rockfill material, rolling compaction, surface wave, dispersion, inversion

5.

Impact Acoustic Inspection of Interfacial Debonding Defects in Cfsts

Number of pages: 29 Posted: 18 May 2023
Guangzhou University, Guangzhou University, Guangzhou University, Guangzhou University, Guangzhou University and University of Illinois at Urbana-Champaign
Downloads 47 (1,097,529)

Abstract:

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Concrete filled steel tube (CFST), interfacial debonding, impact acoustic, wavelet transform, vibration energy ratio (VER)

6.

Investigation on Tunnel Face Failure Under Varying Seepage Conditions in Saturated Sand Using Coupled Cfd-Dem and Analytical Modelling

Number of pages: 43 Posted: 28 Sep 2024
Guangzhou University, Tongji University, Guangzhou University, Guangzhou University, Guangzhou University and Tongji University
Downloads 44 (1,133,231)

Abstract:

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Tunnel face stability, tunnel face seepage, specific discharge, saturated sandy ground, CFD-DEM coupling, analytical model

7.

Enhanced GPR Detection of Void Defects in Ballastless Track through Deep Learning-Based Clutter Suppression of Rebar and Concrete Aggregates

Number of pages: 36 Posted: 28 Aug 2025
Hai Liu, Heming Peng and Xiangyu Wang
Guangzhou University, Guangzhou University and Guangzhou University
Downloads 41 (1,170,409)

Abstract:

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Ballastless Track Defect Detection \sep Ground Penetrating Radar (GPR) \sep Deep Learning \sep Residual-connected Convolutional Block Attention Module Group (RCBAMG) \sep RefineNet \sep Reverse Time Migration (RTM)

8.

Multi-Scale Investigation on Soil Arching Effect of Tunnel Face in Unsaturated Sandy Ground

Number of pages: 41 Posted: 25 Sep 2024
Guangzhou University, Tongji University, Guangzhou University, Tongji University, affiliation not provided to SSRN, Guangzhou University and Guangzhou University
Downloads 37 (1,222,651)
Citation 1

Abstract:

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Face stability, Soil arching effect, Unsaturated sand, DEM modelling, model test

9.

Asymmetric Soil Arching Effect Under Abrupt Topographic Change in Elevation: Numerical and Analytical Analyses of Shield Tunnelling Across Two Orthogonal Steep Hillslopes

Number of pages: 37 Posted: 07 May 2025
Guangzhou University, Guangzhou University, Guangzhou University, Guangzhou University, Tongji University, Tongji University and affiliation not provided to SSRN
Downloads 31 (1,304,549)

Abstract:

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Shield tunnelling, Soil arching effect, Topographic change, Numerical modelling, Analytical method

10.

Deformation Development and Damage Mechanism of Segment Joints in a Shield Tunnel Under Internal Explosion

Number of pages: 44 Posted: 04 Apr 2025
Guangzhou University, Guangzhou University, Guangzhou University, Shijiazhuang Tiedao University, Guangzhou University and Guangzhou University
Downloads 30 (1,345,526)

Abstract:

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Shield tunnel, Explosion, Damage patterns, Grouting layer, Joint openings

11.

Multi-Geophysical Imaging Framework for Concrete Defect Detection Using Phased Array Ultrasonics Testing and Ground Penetrating Radar

Number of pages: 50 Posted: 16 Mar 2026
Guangzhou University, Guangzhou University, Guangzhou University, Guangzhou University and Guangzhou University
Downloads 27 (1,411,822)

Abstract:

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Ground penetrating radar (GPR)Phased array ultrasonic testing (PAUT)Reverse time migration (RTM)Multi-geophysical joint imagingPoynting vector-based directional constraint

12.

Combined effect of unloading and cutterhead vibration on tunnel face failure in soil-rock layered ground

Number of pages: 39 Posted: 30 Jan 2026
Guangzhou University, Guangzhou University, Guangzhou University, Central South University, Guangzhou University and Guangzhou University
Downloads 9 (1,555,090)

Abstract:

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Tunnel face stability, Shield cutterhead vibration, Soil-rock layered ground, DEM modelling, model test