Dynamic response of flexible rockfall barriers under different loading geometries

RCH Koo, JSH Kwan, C Lam, CWW Ng, J Yiu, CE Choi… - Landslides, 2017 - Springer
Flexible steel barriers are commonly constructed on steep hillsides to mitigate rockfall. The
evaluation of the dynamic response of proprietary flexible barriers is conventionally …

A novel flexible barrier for landslide impact in centrifuge

CWW Ng, D Song, CE Choi, RCH Koo… - Géotechnique …, 2016 - icevirtuallibrary.com
Experimental investigations aimed at understanding the impact mechanism of debris-
resisting flexible barriers have been hindered by limitations associated with small-scale …

Effects of barrier stiffness on debris flow dynamic impact—I: Laboratory flume test

Y Huang, X Jin, J Ji - Water, 2022 - mdpi.com
Debris flows often cause local damage to engineering structures by exerting destructive
impact forces. The debris-flow–deformable-barrier interaction is a significant issue in …

Experimental study on impact and deposition behaviours of multiple surges of channelized debris flow on a flexible barrier

DY Tan, JH Yin, JQ Qin, ZH Zhu, WQ Feng - Landslides, 2020 - Springer
Debris flow normally occurs after heavy rains in mountainous regions with multiple surges.
Flexible barriers are installed in torrents to intercept debris flows in an early stage. For the …

Noncontact vision-based impact force reconstruction and spatial-temporal deflection tracking of a flexible barrier system under rockfall impact

Y Tian, L Luo, Z Yu, H Xu, F Ni - Computers and Geotechnics, 2023 - Elsevier
Flexible barrier systems are significant for natural disasters (eg, rockfalls, mudslides)
prevention in mountainous areas. However, monitoring the dynamic behavior of flexible …

New simple method for calculating impact force on flexible barrier considering partial muddy debris flow passing through

DY Tan, JH Yin, WQ Feng, ZH Zhu, JQ Qin… - … of Geotechnical and …, 2019 - ascelibrary.org
Flexible barriers trap large particles and boulders in debris flow but allow slurry and small
particles to pass through. Field tests and real cases indicate that a certain amount of slurry …

[PDF][PDF] A simple analytical method for evaluation of flexible rockfall barrier part 1: working mechanism and analytical solution

ZX Yu, YK Qiao, L Zhao, H Xu, SC Zhao… - Advanced Steel …, 2018 - ascjournal.com
The flexible rockfall barrier system exhibits large deflection and complex contact behaviors
such that sophisticated finite element method and full-scale test are widely used to design …

Surge impact behavior of granular flows: effects of water content

GGD Zhou, D Song, CE Choi, A Pasuto, QC Sun… - Landslides, 2018 - Springer
Understanding the fundamental dynamics of interaction between multi-phase geophysical
flows and engineering structures is crucial for mitigating geophysical hazards. Specifically …

Analysis of steel baffle installed on footing with dowels for resisting boulder impact

CWW Ng, D Zhang, CE Choi, H Liu, RCH Koo… - Engineering …, 2023 - Elsevier
Debris flow is a common geological hazard in mountainous area. The large boulders carried
by debris flow can be particularly destructive to downhill facilities. Constructing steel baffle …

An automated computation method for flexible protection systems based on neural networks

L Liao, Z Yu, X Yang, L Zhang, G Bai, Y Jin - Computers and Geotechnics, 2024 - Elsevier
An automated computation method is proposed in this paper to address the problems of
enormous computational difficulty and low efficiency in flexible protection systems. This …