Computational study of granular debris flow impact on rigid barriers and baffles

PH Law - 2015 - repository.ust.hk
Debris flow is one type of natural terrain hazards that is particularly destructive. In order to
protect the public, mitigation measures such as rigid barriers and baffles are deployed which …

Experimental and numerical study on the load and deformation mechanism of a flexible net barrier under debris flow impact

R Jiang, W Fei, H Zhou, M Huo, J Zhou, J Wang… - Bulletin of Engineering …, 2020 - Springer
High-strength flexible net barriers have achieved a certain effect in mountainous debris flow
prevention, but research on the mechanism of structural stress and deformation is still …

New simple method for measuring impact force on a flexible barrier from rockfall and debris flow based on large-scale flume tests

DY Tan, JH Yin, WQ Feng, JQ Qin, ZH Zhu - Engineering Geology, 2020 - Elsevier
Accurate determination of impact loads is of great necessity for safe and economical design
of flexible barriers. Nevertheless, measurement of the impact force on a flexible barrier is still …

Experimental study on impact and deposition behaviours of multiple surges of channelized debris flow on a flexible barrier

DY Tan, JH Yin, JQ Qin, ZH Zhu, WQ Feng - Landslides, 2020 - Springer
Debris flow normally occurs after heavy rains in mountainous regions with multiple surges.
Flexible barriers are installed in torrents to intercept debris flows in an early stage. For the …

A theoretical model for the estimation of maximum impact force from a rockfall based on contact theory

S Zhang, X Yang, J Zhou - Journal of Mountain Science, 2018 - Springer
Rockfall poses a great threat to buildings and personal security. To understand the dynamic
characteristics of rockfalls is a prerequisite for disaster prevention and assessment. Models …

Quantitative back analysis of in situ tests on guiding flexible barriers for rockfall protection based on 4D energy dissipation

L Luo, Z Yu, Y Jin, L Zhang, L Guo, X Qi, S Zhao - landslides, 2022 - Springer
This paper presents a quantitative analysis of system dynamic response, rockfall trajectory
control, and kinetic energy evolution of the tests on the guiding flexible protection system …

Toward a generic computational approach for flexible rockfall barrier modeling

JB Coulibaly, MA Chanut, S Lambert, F Nicot - Rock Mechanics and Rock …, 2019 - Springer
Flexible rockfall barriers are protection structures used to mitigate rockfall hazards in
mountainous areas. The complex nonlinear mechanical behavior of these structures under …

Flexible rockfall barriers subjected to extreme loads

A Volkwein, A Roth, W Gerber… - Structural engineering …, 2009 - Taylor & Francis
Flexible rockfall barriers are proven protection systems to mitigate the hazard of rocks falling
on people and infrastructure. To assure that such systems are able to dynamically stop …

A debris-flow impact pressure model combining material characteristics and flow dynamic parameters

J Tang, K Hu - Journal of Mountain Science, 2018 - Springer
Impact force is a crucial factor to be considered in debris-resisting structure design. The
impact of debris flow against a structural barrier depends not only on the flow dynamics but …

[引用][C] Damage mechanism of rockfall barriers under strong impact loading

Z Shi-chun, YU Zhi-xiang, Z Lei, QI Xin, WEI Tao - 工程力学, 2016 - 工程力学