Computational study of granular debris flow impact on rigid barriers and baffles

PH Law - 2015 - repository.ust.hk
Debris flow is one type of natural terrain hazards that is particularly destructive. In order to
protect the public, mitigation measures such as rigid barriers and baffles are deployed which …

Mechanisms of debris flow impact on rigid and flexible barriers

D Song - 2016 - repository.ust.hk
Debris flows carry enormous momentum as they surge downslope and could cause loss of
lives and damage to infrastructure. Structural countermeasures such as rigid and flexible …

Measuring and estimating the impact pressure of debris flows on bridge piers based on large-scale laboratory experiments

D Wang, Z Chen, S He, Y Liu, H Tang - Landslides, 2018 - Springer
After the 2008 Wenchuan earthquake, mountainous areas in SW China are recognized as a
region with highly active and perilous landslides and debris flows. The frequent impacts of …

Failure modes of reinforced concrete columns of buildings under debris flow impact

C Zeng, P Cui, Z Su, Y Lei, R Chen - Landslides, 2015 - Springer
Buildings are the element of greatest concern with regard to debris flow hazard risk, and
their destruction is mainly caused by the collapse of walls and reinforced concrete (RC) …

[HTML][HTML] Sensitivity analysis of a built environment exposed to the synthetic monophasic viscous debris flow impacts with 3-D numerical simulations

X Huang, Z Zhang, G Xiang - Natural Hazards and Earth …, 2023 - nhess.copernicus.org
The characteristics of exposed built environments have a significant effect on debris flow
impacts on buildings, but knowledge about their interactions is still limited. This paper …

Design of flexible barriers against sizeable landslides in Hong Kong

EHY Sze, RCH Koo, JMY Leung, KKS Ho - HKIE Transactions, 2018 - Taylor & Francis
ABSTRACT A new type of flexible debris-resisting barrier has been designed using the state-
of-the-art analytical force approach for mitigation of channelised debris flow hazards in a …

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 …

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 …

General equations for landslide-debris impact and their application to debris-flow flexible barrier

D Song, GGD Zhou, XQ Chen, J Li, A Wang, P Peng… - Engineering …, 2021 - Elsevier
The runup height and impact load of landslide debris are the key parameters for design of
debris hazard mitigation structures. However, the movement of obstacle (eg, deformation of …

Discrete-element investigation of influence of granular debris flow baffles on rigid barrier impact

RPH Law, CE Choi, CWW Ng - Canadian Geotechnical Journal, 2015 - cdnsciencepub.com
Granular debris flow baffles are commonly installed in front of rigid barriers to dissipate flow
energy and reduce the required barrier impact capacity. Despite the engineering value of …