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 …

Design protection barriers against flow-like landslides

S Cuomo, A Di Perna, M Martinelli - … and Technology, Volume 1 Issue 1 …, 2023 - Springer
The interaction of flow-like landslides with protection barriers is analyzed for their design.
Three recent analysis approaches are briefly presented and applied to different landslide …

Rockfall impacts on sheltering tunnels: real-scale experiments

F Calvetti, C Di Prisco - Géotechnique, 2012 - icevirtuallibrary.com
In this paper the results of a series of rockfall impact tests on a sheltering tunnel are
discussed. A reinforced-concrete (RC) sphere (mass 850 kg, diameter 0· 9 m) was dropped …

Analysis of rockfall hazards stopping position and energy dissipation based on orthogonal experiment

Y Ge, XR He, XQ Yuan, XY Pu, LD Meng… - E3S Web of …, 2021 - e3s-conferences.org
Many factors affect the movement of rockfall. Thus, this study explored the influence of
rockfall shape, slope angle, angular velocity, slope hardness, rockfall mass, and slope …

A new approach to evaluate the effectiveness of rockfall barriers

A Mentani, L Govoni, G Gottardi, S Lambert… - Procedia …, 2016 - Elsevier
The paper addresses the response of a semi-rigid rockfall protection barrier using numerical
models. The study show a large dependence of the barrier response to the impact …

Rockfall protection wall that can withstand multiple strikes without needing to be repaired

JS Perera, N Lam - International Journal of Impact Engineering, 2023 - Elsevier
In a hilly and congested urban environment, use of reinforced concrete barrier for hillslope
protection is common. With some of these barriers, a layer of gabion is placed in front of the …

Effects of a flexible net barrier on the dynamic behaviours and interception of debris flows in mountainous areas

M Huo, J Zhou, X Yang, H Zhou - Journal of Mountain Science, 2017 - Springer
Flexible net barriers are a new type of effective mitigation measure against debris flows in
valleys and can affect the kinematic energy and mass of debris flows. Here, ten flume tests …

[HTML][HTML] Investigation on cushioning effect and force chain characteristics of cushion material of shed-hole structure under impact load

PF Han, X Li, H Cheng, H Qiu - Case Studies in Construction Materials, 2023 - Elsevier
To reduce the impact of mountain rockfall on the shed tunnel, cushion buffering materials
were designed as protective measures. The optimized design can improve the impact …

Shape and mechanical properties of slope material effects on the coefficient of restitution of rockfall study

RH Wong, K Ho, K Chau - ARMA North America Rock Mechanics …, 2000 - onepetro.org
ABSTRACT ABSTRACT: The purpose of this study is to investigate the effect of mechanical
properties of the impact material, and the shape of boulders on the coefficients of restitution …

Theoretical study of rockfall impacts based on logistic curves

Z Guangcheng, T Huiming, X Xin, M Karakus… - International Journal of …, 2015 - Elsevier
The normal velocity curve of a falling boulder with time is fitted by a logistic curve. Without
considering the rotational velocity, a logistic equation is used to fit the normal velocity curve …