Soil-embedded steel baffle with concrete footing responding to collision by a fallen or flying object

JS Perera, N Lam - International Journal of Geomechanics, 2022 - ascelibrary.org
This article is concerned with the design of steel baffles embedded in soil to contain fallen
boulders rolling down a hill slope, with the buried segment of the baffles cast into concrete …

Analysis of steel baffle installed on footing with dowels for resisting boulder impact

CWW Ng, D Zhang, CE Choi, H Liu, RCH Koo… - Engineering …, 2023 - Elsevier
Debris flow is a common geological hazard in mountainous area. The large boulders carried
by debris flow can be particularly destructive to downhill facilities. Constructing steel baffle …

Mitigation of rockfall geohazards: Full-scale investigation of the performance of a practical baffle design for direct use in the field

J Du, D Chang, C Lee, Y Su, CE Choi, J Zhang - Engineering Geology, 2024 - Elsevier
To arrest rockfall boulders, baffles are constructed as steel members affixed on top of a
concrete footing. Existing designs aim to prevent any footing rotation and steel member …

Investigation of boulder impact force and energy transfer for steel baffle with footing

CWW Ng, DC Zhang, CE Choi, R Chen… - Canadian …, 2023 - cdnsciencepub.com
Steel baffle installed on footing is commonly used to resist and dissipate the impact energy
from boulders carried by debris flow. However, the deformation of a baffle and the resulting …

[HTML][HTML] Steel Baffles as a Rockfall Protection Measure for Mountainous Urban Settings

JS Perera, N Lam - Geosciences, 2023 - mdpi.com
A form of steel baffles, which is made of steel poles encased in concrete and embedded into
the ground, are introduced in this article. This type of protective installation is to be located …

Field tests and numerical modeling of vehicle impacts on a boulder embedded in compacted fill

L Reese, T Qiu, D Linzell, E O'hare… - International Journal of …, 2014 - journals.sagepub.com
Landscape Vehicular Anti-Ram (LVAR) systems are a group of protective barriers, which are
designed using natural materials (eg, boulders) and have proven to both effectively protect …

Large-scale successive boulder impacts on a rigid barrier shielded by gabions

CWW Ng, CE Choi, AY Su, JSH Kwan… - Canadian Geotechnical …, 2016 - cdnsciencepub.com
Debris flows occur in multiple surges. Boulders entrained within the flow have been reported
to incapacitate structures within its flow path. Single-layer cushions, such as gabions, are …

[HTML][HTML] Impacts and depositional behaviors of debris flows on natural boulder-negative Poisson's ratio anchor cable baffles

F Zhao, M He, Q Sui, Z Tao - Journal of Rock Mechanics and Geotechnical …, 2024 - Elsevier
The impacts of natural boulders carried by debris flows pose serious risks to the safety and
reliability of structures and buildings. Natural boulders can be highly random and …

Effectiveness of stone columns on slope deformations beneath wharves

D Mageau, K Chin - … 2009: Lifeline Earthquake Engineering in a …, 2009 - ascelibrary.org
This paper the use of a multi-tiered approach for analyzing the effectiveness of stone column
ground improvement to limit deformations of slopes containing liquefiable soil layers. The …

An experimental investigation of the response of slender protective structures to rockfall impacts

S Lambert, F Bourrier, P Gotteland… - Canadian geotechnical …, 2020 - cdnsciencepub.com
This article investigates the mechanical response of slender rockfall protection
embankments subjected to impacts based on real-scale experiments. More specifically, it …