A discrete/continuous coupled approach for modeling impacts on cellular geostructures

A Breugnot, S Lambert, P Villard… - Rock Mechanics and Rock …, 2016 - Springer
This article presents a numerical model coupling the finite difference method and discrete
element methods (FDM, DEM) for simulating the response of cellular geostructures to …

Dynamic response of rock sheds to successive rockfall impacts using lightweight expanded clay aggregate (LECA) cushions: An experimental and numerical study

H Meree, D Wang, S Yan, M Li, S Lu, M Lovati… - International Journal of …, 2024 - Elsevier
This study investigates the effectiveness of Lightweight Expanded Clay Aggregate (LECA)
as a novel cushion material mitigating repeated rockfall impacts on reinforced concrete (RC) …

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 …

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 …

Extremely energetic rockfalls

FV De Blasio, G Dattola… - Journal of Geophysical …, 2018 - Wiley Online Library
Extremely energetic rockfalls (EERs) are defined here as rockfalls for which a combination of
both large volume and free fall height of hundreds of meters results in energy larger than …

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 …

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 …

Study on mechanical behavior of rockfall impacts on a shed slab based on experiment and SPH–FEM coupled method

H Zhong, L Lyu, Z Yu, C Liu - Structures, 2021 - Elsevier
The mechanical behavior of rockfall impacts on shed slabs was studied in three aspects: the
rockfall impact force, the inertia effect coefficient, and the structural damage evaluation. A …

Performance assessment of a protection embankment designed for a rockfall-prone slope along lesser Himalayas of Jammu and Kashmir, India

S Maheshwari, R Bhowmik - Natural Hazards, 2024 - Springer
Rockfall is a significant hazard in the Himalayan regions of India, threatening lives and
property. Rockfall Protection Embankments (RPE) offer a solution by intercepting falling …

Efficiency assessment of existing rockfall protection embankments based on an impact strength criterion

S Lambert, B Kister - Engineering geology, 2018 - Elsevier
This article first proposes a literature-based criterion for evaluating the capacity of protection
embankments in resisting rockfall-induced impacts. The criterion is intended to help …