Influence of debris flow solid fraction on rigid barrier impact

D Song, CWW Ng, CE Choi, GGD Zhou… - Canadian …, 2017 - cdnsciencepub.com
The dynamics of debris flows are fundamentally governed by the interaction between the
solid and fluid phases. However, current approaches used to estimate impact load treat …

An Equivalent Stiffness Flexible Barrier for Protection Against Boulders Transported by Debris Flow

S Sha, AP Dyson, G Kefayati, A Tolooiyan - International Journal of Civil …, 2024 - Springer
Flexible ring nets exhibit complex nonlinear mechanical behaviour when subjected to static
and dynamic impact loads. This research presents the development of an efficient numerical …

Spatial distribution of natural debris-flow impact

G Nagl, R Kaitna, J Hübl - E3S Web of Conferences, 2023 - e3s-conferences.org
The high destructive potential of debris flows poses a challenge for the design of structural
mitigation measures to protect vulnerable areas. An essential part of designing such …

Quantifying the impact of dry debris flow against a rigid barrier by DEM analyses

W Shen, T Zhao, J Zhao, F Dai, GGD Zhou - Engineering Geology, 2018 - Elsevier
This study investigates the interaction between dry debris flows and a rigid barrier through
discrete element modeling (DEM) of flume tests. The debris materials were modeled as an …

Impulse load characteristics of bouldery debris flow impact

D Song, CE Choi, GGD Zhou, JSH Kwan… - Géotechnique …, 2018 - icevirtuallibrary.com
Boulders entrained in debris flows are the main cause of damage to debris-resisting
structures. Poly-dispersity leads to grain-size segregation, which causes boulders to migrate …

[PDF][PDF] Pore water pressure contribution to debris flow mobility

C Deangeli - American Journal of Environmental Sciences, 2009 - researchgate.net
Problem statement: Debris flows are very to extremely rapid flows of saturated granular soils.
Two main types of debris flow are generally recognized: Open slope debris flows and …

New impact equation using barrier Froude number for the design of dual rigid barriers against debris flows

CWW Ng, U Majeed, CE Choi, W De Silva - Landslides, 2021 - Springer
In the design of multiple rigid barriers, the height of the first barrier governs the impact
dynamics of debris flow on the next barrier in a channel. However, current design …

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 …

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 …

[引用][C] Impact pressures of hillslope debris flows

B Loup, T Egli, M Stucki, P Bartelt, BW McArdell… - Proceedings of 12th …, 2012