The collision experiment between rolling stones of different shapes and protective cushion in open-pit mines

C Zhu, M He, M Karakus, X Zhang, Z Guo - Journal of Mountain Science, 2021 - Springer
Though gravel cushions are used worldwide in open-pit mines and railway slopes to control
the impact of rolling stones, no universal technical standards have been put in place to …

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 …

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 …

Translational inertial effects and scaling considerations for coarse granular flows impacting landslide-resisting barriers

SR Goodwin, CE Choi - Journal of Geotechnical and …, 2021 - ascelibrary.org
Coarse grains accumulate at granular flow fronts and must be considered when studying
granular flows impacting barriers. Experimental studies often use instrumented barriers …

A physical and numerical investigation of flow–barrier interaction for the design of a multiple-barrier system

CWW Ng, A Leonardi, U Majeed, M Pirulli… - Journal of Geotechnical …, 2023 - ascelibrary.org
Multiple barriers have become popular to mitigate debris flows worldwide. Existing
guidelines only recommend the minimum spacing based on volume retention, and the …

Deformation behavior and damage assessment of ground reinforced embankments impacted by multiple medium-energy rockfalls

L Xiao, L Lu, H Lin, Z Wang, K Arai - Rock Mechanics and Rock …, 2023 - Springer
Many existing ground reinforced embankments are experiencing deterioration, meanwhile
the risk of rockfall is aggravated by the weathering and the infiltration of rainfall. However …

Predictions of localised damage to concrete caused by a low-velocity impact

ZZA Majeed, NTK Lam, EF Gad - International Journal of Impact …, 2021 - Elsevier
Hillside RC barriers protected by gabion cushion layers are commonly used as passive
defence measures to contain landslides and rockfalls. Gabions are expensive and require …

Effects of rockfall shape on deformation performance of ground reinforced embankments subjected to lateral impact

L Xiao, L Lu, L Li, Z Wang, K Arai - Geotextiles and Geomembranes, 2024 - Elsevier
Ground reinforced embankment (GRE) is an economical and efficient protection measure
against rockfalls. In various design guidelines of ground reinforced embankments, the …

Experimental and numerical study of dynamic soil debris impact load on reinforced concrete debris-resisting barriers

HWK Lam, AL Wong - Landslides, 2021 - Springer
Abstract In Hong Kong, design practice adopts the hydrodynamic load model to estimate the
dynamic soil debris impact load on reinforced concrete debris-resisting barriers. A dynamic …

Experimental testing of ground reinforced embankments under low-energy impact of rockfall

L Lu, L Xiao, Z Wang, T Tang, K Arai - Rock Mechanics and Rock …, 2021 - Springer
To evaluate the ultimate capacity of the ground reinforced embankments, most of the
research have been focused on high levels of impact energy. However, many existing …