Design of falling rock protection barriers using numerical models

C Gentilini, G Gottardi, L Govoni, A Mentani… - Engineering …, 2013 - Elsevier
A numerical approach has been recently devised by the authors for the modelling of falling
rock protection barriers, metallic structures used as passive measures against rockfall …

Energy dissipating devices in falling rock protection barriers

L Castanon-Jano, E Blanco-Fernandez… - Rock Mechanics and …, 2017 - Springer
Rockfall is a phenomenon which, when uncontrolled, may cause extensive material damage
and personal injury. One of the structures used to avoid accidents caused by debris flows or …

Experimental testing of rockfall barriers designed for the low range of impact energy

O Buzzi, M Spadari, A Giacomini, S Fityus… - Rock mechanics and rock …, 2013 - Springer
Most of the recent research on rockfall and the development of protective systems, such as
flexible rockfall barriers, have been focused on medium to high levels of impacting energy …

Damage assessment of ring nets in flexible barriers subjected to consecutive rockfall impacts

L Guo, S He, ZX Yu, Y Jin - Canadian Geotechnical Journal, 2024 - cdnsciencepub.com
In response to the unpredictable nature of rockfall hazards, flexible barrier systems must
endure both single and consecutive impacts in practical scenarios. This study conducted a …

Nonlinear Numerical Modeling of the Wire‐Ring Net for Flexible Barriers

Z Yu, C Liu, L Guo, L Zhao, S Zhao - Shock and Vibration, 2019 - Wiley Online Library
To investigate the nonlinear mechanical behavior of the wire‐ring net, this paper presents a
new numerical model that can collectively consider equivalence between numerical and …

Predicting the fragmentation survival probability of brittle spheres upon impact from statistical distribution of material properties

DE Guccione, O Buzzi, K Thoeni, S Fityus… - International Journal of …, 2021 - Elsevier
Fragmentation of rocks upon impact during rockfall is a phenomenon that is poorly
understood, scarcely researched and difficult to predict. However, to adequately predict the …

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 …

Statistical evaluation of rockfall energy ranges for different geological settings of New South Wales, Australia

M Spadari, M Kardani, R De Carteret, A Giacomini… - Engineering …, 2013 - Elsevier
Structures used in rockfall protection are designed on the basis of the expected impact
energy. This quantity is usually assessed using commercial lumped mass models that …

A weight-based efficiency measure for energy dissipating devices for flexible rockfall barriers

F Pimpinella, M Marchelli… - International Journal of …, 2024 - journals.sagepub.com
Flexible barriers are essential passive measures which are able to protect human life,
structures and infrastructures from rockfall hazards. When a barrier is impacted, a significant …

[PDF][PDF] An analytical method for evaluating the deflection and load-bearing and energy absorption capacity of rockfall ring nets considering multifactor influence

LP Guo, ZX Yu, YT Jin, LX Liao… - ADVANCED STEEL …, 2022 - researchgate.net
Flexible net barriers are protection structures used to mitigate geological hazards, such as
rockfall [1, 2], landslide [3], debris flow [4, 5], and avalanche [6]. A typical flexible barrier …