Effects of particle size and cushioning thickness on the performance of rock-filled gabions used in protection against boulder impact

Y Su, Y Cui, CWW Ng, CE Choi… - Canadian Geotechnical …, 2019 - cdnsciencepub.com
A gabion is one of the most commonly used cushioning layers to shield protection structures
against boulders entrained in debris flow. Despite the prevalence of gabions, their …

Effects of particle shape on the cushioning mechanics of rock-filled gabions

Y Su, CE Choi - Acta Geotechnica, 2021 - Springer
Rock-filled gabions are commonly installed in front of reinforced concrete structures to
reduce concentrated impact loads induced by rock fall and boulders entrained in debris …

Comparison of cushioning mechanisms between cellular glass and gabions subjected to successive boulder impacts

CWW Ng, Y Su, CE Choi, D Song, C Lam… - … of Geotechnical and …, 2018 - ascelibrary.org
Gabions are the most commonly adopted cushion layer for shielding rigid debris-resisting
barriers against boulder impact. Despite the prevalent use of gabions, they comprise heavy …

Large-scale successive boulder impacts on a rigid barrier shielded by gabions

CWW Ng, CE Choi, AY Su, JSH Kwan… - Canadian Geotechnical …, 2016 - cdnsciencepub.com
Debris flows occur in multiple surges. Boulders entrained within the flow have been reported
to incapacitate structures within its flow path. Single-layer cushions, such as gabions, are …

New light-weight concrete foam to absorb debris-flow-entrained boulder impact: Large-scale pendulum modelling

Y Su, CE Choi, CWW Ng, HWK Lam, LA Wong… - Engineering …, 2020 - Elsevier
Rock-filled gabions are widely used to attenuate concentrated impact loads exerted by
boulders entrained in debris flows. However, rock fragments used to construct gabion may …

An experimental investigation of the response of slender protective structures to rockfall impacts

S Lambert, F Bourrier, P Gotteland… - Canadian geotechnical …, 2020 - cdnsciencepub.com
This article investigates the mechanical response of slender rockfall protection
embankments subjected to impacts based on real-scale experiments. More specifically, it …

Discrete element modeling of rock-filled gabions under successive boulder impacts

GC Yang, F Qiao, Y Lu, QH Yao, CY Kwok - Computers and Geotechnics, 2024 - Elsevier
A discrete element model consisting of irregular crushable filling particles and a flexible wire
mesh is established. The numerical model is validated against the static net punching test …

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 …

Towards realistic simulations of the impact dynamics of boulders on rock-filled gabion: combined effects of rock shapes and their crushing strength

Y Su, CE Choi, YR Lv, Y Wang, X Li - Engineering Geology, 2021 - Elsevier
Rock-filled gabions are used to shield barriers and galleries from boulder fall in
mountainous regions. A challenge in the design of rock-filled gabions lies in the estimation …

Influence of particle size on the buffering efficiency of soil cushion layer against rockfall impact

W Shen, T Zhao, F Dai - Natural Hazards, 2021 - Springer
Soil cushion layers are commonly paved in front of protection structures to avoid the direct
impact of rockfall and debris flow. This study is devoted to investigating the influence of …