Assessment of debris flow multiple-surge load model based on the physical process of debris-barrier interaction

D Song, Y Bai, XQ Chen, GGD Zhou, CE Choi… - Landslides, 2022 - Springer
… the fundamental physical properties of debris flow are very important for the accurate
assessment of debris-flow impact behavior. The amount of fine content in the debris source area …

Debris flow overflowing flexible barrier: physical process and drag load characteristics

L Wang, D Song, GGD Zhou, XQ Chen, M Xu, CE Choi… - Landslides, 2022 - Springer
… However, less is known as debris flow overflows a filled barrier and cascades downstream.
physical processes and load characteristics of debris-flow overflowing a model flexible barrier

Effect of slit-type barrier on characteristics of water-dominant debris flows: small-scale physical modeling

SK Choi, JM Lee, TH Kwon - Landslides, 2018 - Springer
debris. However, the mechanisms of slit-type barriers in reducing the debris flow velocity
and debris … lack of well-controlled and reliable physical modeling results. This study explored …

Design of flexible debris flow barriers

A Volkwein, C Wendeler, G Guasti - Italian journal of engineering …, 2011 - rosa.uniroma1.it
… What are the physical limits for the investigated barriers? … allows the design of flexible
barriers for debris flows. Experiences from … the filling process and the acting forces to the barrier

Debris flow hazard mitigation: a simplified analytical model for the design of flexible barriers

R Brighenti, A Segalini, AM Ferrero - Computers and Geotechnics, 2013 - Elsevier
… flow which usually vary during debris development and which … to the mechanical and physical
behavior of debris flows in this … be considered to be low during the entire loading process. …

Debris flow impact estimation on a rigid barrier

F Vagnon, A Segalini - Natural Hazards and Earth System …, 2016 - nhess.copernicus.org
… The aim of this paper is to analyse debris flow impact against rigid and undrained barrier in
… plied loads (dynamic and static) on barrier were measured using four ultrasonic devices, four …

Influence of debris flow solid fraction on rigid barrier impact

D Song, CWW Ng, CE Choi, GGD Zhou… - Canadian …, 2017 - cdnsciencepub.com
… This model considers the filling process of debris flow and assumes multiple surges of impact.
Each surge contributes both static and dynamic components of the impact and after impact …

Quantitative analysis of debris-flow flexible barrier capacity from momentum and energy perspectives

D Song, GGD Zhou, M Xu, CE Choi, S Li, Y Zheng - Engineering geology, 2019 - Elsevier
… data of debris flow impacting structures. This study reports a … load exerted by debris flow
on rigid and flexible barriers. A … barrier itself during the debrisbarrier interaction process. …

Mechanisms of debris flow impact on rigid and flexible barriers

D Song - 2016 - repository.ust.hk
… Estimation of the debris flow impact, ie, impact force and run-up … of debris-barrier interaction
and solid-fluid interaction in the process of debris flow impact on rigid and flexible barriers. …

General equations for landslide-debris impact and their application to debris-flow flexible barrier

D Song, GGD Zhou, XQ Chen, J Li, A Wang, P Peng… - Engineering …, 2021 - Elsevier
… the physical processes of debris-barrier interaction and the functionality of debris-flow flexible
barrier… Based on the physical impact process, this study derives the general vertical jet (VJ) …