A case study on an open hillside landslide impacting on a flexible rockfall barrier at Jordan Valley, Hong Kong

JSH Kwan, SL Chan, JCY Cheuk, RCH Koo - Landslides, 2014 - Springer
A case study on an open hillside landslide impacting on a flexible rockfall barrier at Jordan
Valley, Hong Kong is presented in this paper. The landslide occurred sometime in June …

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 …

Dynamic response of flexible rockfall barriers with different block shapes

Z Yu, L Luo, C Liu, L Guo, X Qi, L Zhao - Landslides, 2021 - Springer
Flexible rockfall barriers are commonly constructed on steep hillsides to mitigate rockfall.
The evaluation of the dynamic response of proprietary flexible rockfall barriers is …

Impact dynamics of boulder-enriched debris flow on a rigid barrier

CWW Ng, H Liu, CE Choi, JSH Kwan… - Journal of Geotechnical …, 2021 - ascelibrary.org
Boulders entrained in debris flow induce high impact forces on a rigid barrier. In current
design practice, the concentrated load from boulders is estimated using the Hertz equation …

Advanced numerical analysis of landslide debris mobility and barrier interaction

AKC Cheung, J Yiu, HWK Lam, EHY Sze - HKIE Transactions, 2018 - Taylor & Francis
Mitigation of natural terrain hazards through the use of flexible and rigid barriers has
become a common type of geotechnical work in Hong Kong. The current design approach …

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 …

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 …

Velocity attenuation of debris flows and a new momentum-based load model for rigid barriers

RCH Koo, JSH Kwan, CWW Ng, C Lam, CE Choi… - Landslides, 2017 - Springer
Effective design of mitigation measures against debris flow hazards remains a challenging
geotechnical problem. At present, a pseudo-static approach is commonly used for the …

Finite element analysis for rockfall and debris flow mitigation works

JSH Kwan, EHY Sze, C Lam - Canadian Geotechnical Journal, 2019 - cdnsciencepub.com
Landslide risks arising from boulder falls and debris flows are commonly mitigated using
rigid and flexible barriers. Debris–barrier interaction is a complicated process, so current …

A new physically based impact model for debris flow

X Li, J Zhao, K Soga - Géotechnique, 2021 - icevirtuallibrary.com
A new analytical model is proposed to estimate the peak impact pressure of debris flow
exerted on a rigid barrier. The new model consists of two terms, p= α 1 ρ 0 gh 0+ 0· 5 ρ 0 u …