Efficient discrete modelling of composite structures for rockfall protection

A Effeindzourou, K Thoeni, A Giacomini… - Computers and …, 2017 - Elsevier
This paper presents a discrete framework for the modelling of composite structures for
rockfall protection. The model is applied to analyse the dynamic response of a cylindrical …

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 …

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 …

Experimental study on physical model of waste tennis ball-sand composite shed cushion under rockfall impact

DP Wang, YZ Bi, L Zhou, H Chen, R Zhou… - Bulletin of Engineering …, 2022 - Springer
Given the limited dissipating effect and high construction costs of traditional sand cushion in
shed, this paper proposes to partially replace the sand with waste tennis balls to solve the …

On the design of rockfall protection galleries

K Schellenberg - 2008 - research-collection.ethz.ch
Galleries are common measures to protect roads and railways from rockfall. Rockfall is one
of the most relevant natural hazards in the mountainous regions of Switzerland. The recent …

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 …

Experimental and analytical investigation of a RC wall with a gabion cushion subjected to boulder impact

JS Perera, N Lam, MM Disfani, E Gad - International Journal of Impact …, 2021 - Elsevier
An experimental investigation involving the use of a full-scale pendulum device to deliver
solid object impact on a reinforced concrete (RC) barrier specimen that was fitted with a …

Full‐Scale Impact Test and Numerical Simulation of a New‐Type Resilient Rock‐Shed Flexible Buffer Structure

ZX Yu, L Zhao, LP Guo, YP Liu, C Yang… - Shock and …, 2019 - Wiley Online Library
Rock sheds have been widely used to protect against rockfall. Traditionally, a cushion layer
is placed on the top of a rock shed to reduce the impact force and dissipate energy …

[PDF][PDF] Schallemissionsanalyse zur Erfassung von Spanndrahtbrüchen bei Stahlbetonbrücken

S Fricker - 2009 - research-collection.ethz.ch
Zusammenfassung Die Schallemissionsanalyse wendet Methoden aus der Seismologie
und der Nachrichtentechnik an, um Ereignisse zu erfassen und zu lokalisieren …

Dynamic analysis of rockfall impact on a protective structure via FEM-DEM coupling

D Su, R Zhang, H Xiong, D Zhao - Natural Hazards, 2023 - Springer
Rockfall is one of the most catastrophic hazards among natural calamities. The issue
involving responses of discrete-continuum interactions concerning rockfall protection …