Search Results - "Ling, Tonghua"

Migration imaging processing of subgrade cavity GPR detection based on TUFK method by Zhang, Liang, Zhang, Sheng, Deng, Zongwei, Ling, Tonghua

“…Timely and accurate detection and identification of cavities under urban roads is the key to road safety. Due to the inability to obtain accurate migration…”
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Research on high-precision recognition model for multi-scene asphalt pavement distresses based on deep learning by Zhang, Sheng, Bei, Zhenghao, Ling, Tonghua, Chen, Qianqian, Zhang, Liang

“…Accurate detection of asphalt pavement distress is crucial for road maintenance and traffic safety. However, traditional convolutional neural networks usually…”
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Rock mass collapse mechanism of concealed karst cave beneath deep tunnel by Huang, Fu, Zhao, LianHeng, Ling, TongHua, Yang, XiaoLi

“…Local collapse of the surrounding rock often occurs during tunnel construction in a karst area, particularly when the rock pillar between the tunnel and the…”
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Variable cross sections functionally grad beams on Pasternak foundations: An enhanced interaction theory for construction applications by Ling, Tonghua, Wu, Xing, Huang, Fu, Xiao, Jian, Sun, Yiwei, Feng, Wei

“…Functionally graded materials (FGMs) are commonly utilized in construction projects. They enhance the performance of functionally graded beams (FGBs) under…”
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Intensive interferences processing for GPR signal based on the wavelet transform and F-K filtering by Zhang, Liang, Ling, Tonghua, Yu, Bin, Huang, Fu, Zhang, Sheng

“…To reduce the shielding effect of strong jamming signals such as direct waves and multiple echoes on the effective signals in ground penetrating radar (GPR)…”
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Novel cooling–solidification annealing reconstruction of rock models by Xiao, Nan, Zhou, Xiaoping, Ling, Tonghua

“…Rock is a multiphase material containing porous structures. It is well known that the porous structures of rocks vary at the microscale, while the properties…”
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Experimental Research on Evaluation of Soil Water Content Using Ground Penetrating Radar and Wavelet Packet-Based Energy Analysis by Zhang, Sheng, Zhang, Liang, Ling, Tonghua, Fu, Guihai, Guo, Youlin

“…Soil water content is one of the most important factors affecting the safety and stability of buildings or structures, especially in roadbeds, slopes, earth…”
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Fine grid model for the dielectric characteristics of ground‐penetrating radar in mixed media by Ling, Tonghua, He, Wenchao, Liu, Xianjun, Zhang, Sheng, Huang, Fu, Hua, Fei

“…ABSTRACT The Fisher–Yates random shuffling algorithm combined with the finite‐difference time‐domain method is proposed to construct a fine grid model for the…”
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Three-Dimensional Quantitative Recognition of Filler Materials Ahead of a Tunnel Face via Time-Energy Density Analysis of Wavelet Transforms by Sheng Zhang, Liang Zhang, Wenchao He, Tonghua Ling, Zongwei Deng, Guihai Fu

“…Advanced geological prediction of tunnels has become an indispensable task to ensure the safety and effectiveness of tunnel construction before excavation in…”
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Frequency spectrum and energy refinement characteristics of blasting vibration signals in raw water pipeline tunnel excavation by Zhang, Liang, Zhang, Sheng, Ling, Tonghua, Deng, Zongwei

“…The analysis of time-frequency variation and energy refinement characteristics of blasting vibration signals has contributed to understanding the propagation…”
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Calculation of the permittivity of inhomogeneous media based on the TEDAWT method by Ling, Tonghua, He, Wenchao, Zhang, Sheng, Zhang, Liang, Huang, Fu, Hua, Fei

“…In the field of nondestructive inspection, ground-penetrating radar (GPR) is a widely used investigation tool, usually to evaluate quality and safety in…”
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Analysis of Cumulative Damage for Shared Rock in a Neighborhood Tunnel under Cyclic Blasting Loading Using the Ultrasonic Test by Cao, Feng, Ling, Tonghua, Zhang, Sheng

“…In blasting excavation of neighborhood tunnels, damage accumulation process in surrounding rock is inevitable. To explore the influence of damage accumulation…”
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Blasting-Induced Vibration Response of the Transition Section in a Branching-Out Tunnel and Vibration Control Measures by Cao, Feng, Ling, Tonghua, Zhang, Sheng

“…Blasting-induced vibration during the excavation of transition section in a branching-out tunnel causes damage and hence affects the safety and stability of…”
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The failure mechanism of surrounding rock around an existing shield tunnel induced by an adjacent excavation by Huang, Fu, Zhang, Min, Wang, Fen, Ling, Tonghua, Yang, Xiaoli

“…Foundation pit excavation may disturb the initial stress field and induce the deformation of the surrounding rock mass. Due to the excavation, the originally…”
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Biorthogonal wavelet energy entropy method with different time windows for strong interference processing of GPR signals by Zhang, Liang, Zhang, Sheng, Ling, Tonghua, Huang, Fu

“…In the light of the shielding effect of the strong reflection signal generated by the steel bars and the inhomogeneous of concrete materials on the weak signal…”
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Improving reverse time migration of ground-penetrating radar under zero-time imaging conditions using cross-correlation superposition projection by Liu, Xianjun, Ling, Tonghua, He, Wenchao, Tan, Jianuo, Jiang, Yongzhi, Liu, Wenjun

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Accurate gain method for ground-penetrating radar signals based on stationary wavelet packet transform by Liu, Xianjun, Ling, Tonghua, Liu, Wenjun, Tan, Jianuo, Zhang, Liang, Jiang, Yongzhi

“…In this study, we propose an accurate gain method for ground-penetrating radar (GPR) signals based on the characteristics of refined time-frequency analysis…”
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Evaluation on fire resistance of composite segmental lining for shield tunnel by Zhang, Gaole, Zhang, Wenjun, Zhang, Xinxin, Shangguan, Dandan, Ling, Tonghua, Guan, Linxing

“…•A 3D refined FEM was proposed to evaluate fire resistance of composite segment.•The bearing capacity of composite segment was detected at different…”
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A new method for measuring the relative dielectric constant of porous mixed media using GPR, and its application by Ling, Tonghua, He, Wenchao, Zhang, Sheng, Liu, Xianjun, Huang, Fu, Liu, Wenjun

“…•The improved TEDAWT method is suitable for signal feature point identification of GPR.•A new proposed method has proven more accurate in measuring the…”
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Limit Analysis for the Face Stability of a Shallow-Shield Tunnel Based on a Variational Approach to the Blow-Out Failure Mode by Huang, Fu, Ou, Ruochen, Li, Zailan, Yang, Xiaoli, Ling, Tonghua

“…AbstractThe soil in front of a shield tunnel face can be pushed toward the ground surface if the support pressure is higher than the threshold that causes…”
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