Investigation on the phenomena and influence factors of urban ground collapse in China
XW Wang, YS Xu - Natural Hazards, 2022 - Springer
Urban ground collapse (UGC) is becoming more common in China, resulting in significant
socioeconomic losses and even personal casualties. The frequency of UGC accidents is …
socioeconomic losses and even personal casualties. The frequency of UGC accidents is …
Soil erosion due to defective pipes: a hidden hazard beneath our feet
Sinkholes are a significant underground hazard that threatens infrastructure and lives and
sometimes results in fatalities. The annual cost of sinkhole damages exceeds $300 million …
sometimes results in fatalities. The annual cost of sinkhole damages exceeds $300 million …
Failure evolution and mechanism of ground collapse due to exfiltration of shallowly buried water pipeline
Exfiltration of defective water pipelines is one of the leading causes contributing to the
frequent ground collapses in congested urban areas; hence, revealing the failure evolution …
frequent ground collapses in congested urban areas; hence, revealing the failure evolution …
Experimental and numerical investigation on the mechanism of ground collapse induced by underground drainage pipe leakage
Ground collapse is a common urban geological disaster mainly triggered by the leakage of
underground drainage pipe. To reproduce the process of underground cavity formation and …
underground drainage pipe. To reproduce the process of underground cavity formation and …
A multi-geophysical approach to assess potential sinkholes in an urban area
R Liu, H Sun, J Qin, Z Zheng - Engineering Geology, 2023 - Elsevier
Sinkholes caused by natural or anthropogenic factors pose as potential safety hazards in
urban areas. From April to May 2019, six consecutive ground collapses occurred in Beihuan …
urban areas. From April to May 2019, six consecutive ground collapses occurred in Beihuan …
A non-Darcy flow CFD–DEM method for simulating ground collapse induced by leakage through underground pipeline defect
Ground collapse due to soil erosion near pipeline defects involves soil loss and orifice
outflow, which may lead to non-Darcy flow, but it is often ignored in numerical simulations. In …
outflow, which may lead to non-Darcy flow, but it is often ignored in numerical simulations. In …
Soil arching due to leaking of tunnel buried in water-rich sand
For tunnel buried in water-rich sand stratum, water intrusion into tunnel lining would bring
sand particles into the tunnel and then caused ground subsidence or even cave-in of …
sand particles into the tunnel and then caused ground subsidence or even cave-in of …
Model tests and numerical modeling of the failure behavior of composite strata caused by tunneling under pipeline leakage conditions
S Zhang, T Bao, C Liu - Engineering Failure Analysis, 2023 - Elsevier
Pipeline leakage is a frequent phenomenon in subway construction and has contributed to
numerous underground collapses. In this study, the failure behavior of composite strata (ie …
numerous underground collapses. In this study, the failure behavior of composite strata (ie …
Experimental study for joint leakage process of tunnel lining and particle flow numerical simulation
Most of urban ground collapses and tunnel failures are caused by joint leakage of shield
tunnel lining. This paper conducts a series of model tests and particle flow simulations …
tunnel lining. This paper conducts a series of model tests and particle flow simulations …
Map** subsurface utility pipes by 3-D convolutional neural network and Kirchhoff migration using GPR images
In this article, we focus on ground-penetrating radar (GPR) for subsurface utility pipe
detection. Due to the dense and high-speed 3-D monitoring, GPR is a promising tool …
detection. Due to the dense and high-speed 3-D monitoring, GPR is a promising tool …