Effect of slit size on the impact load against debris-flow mitigation dams
Structural countermeasures such as slit dams and check dams are widely installed in
mountainous regions to mitigate debris-flow hazards. However, current approaches adopted …
mountainous regions to mitigate debris-flow hazards. However, current approaches adopted …
Load model for designing flexible steel barriers for debris flow mitigation
C Wendeler, A Volkwein, BW McArdell… - Canadian …, 2019 - cdnsciencepub.com
Light-weight flexible steel net barriers catch coarse debris, but let some of the fine material
and water pass through the net. They are difficult to design so that they can withstand the …
and water pass through the net. They are difficult to design so that they can withstand the …
A physical and numerical investigation of flow–barrier interaction for the design of a multiple-barrier system
Multiple barriers have become popular to mitigate debris flows worldwide. Existing
guidelines only recommend the minimum spacing based on volume retention, and the …
guidelines only recommend the minimum spacing based on volume retention, and the …
Impact dynamics of granular debris flows based on a small-scale physical model
The peak pressure of a granular debris flow at low Froude conditions can be calculated with
knowledge of the stress anisotropy and the bulk density as well as the run-up height at …
knowledge of the stress anisotropy and the bulk density as well as the run-up height at …
Numerical and analytical analyses of the impact of monodisperse and bidisperse granular flows on a baffle structure
B Zhang, Y Huang - Landslides, 2022 - Springer
Baffle structure, a promising countermeasure in reducing the destruction power of rapid
granular flows, needs more investigation especially with focus on the physically based …
granular flows, needs more investigation especially with focus on the physically based …
A new physically based impact model for debris flow
A new analytical model is proposed to estimate the peak impact pressure of debris flow
exerted on a rigid barrier. The new model consists of two terms, p= α 1 ρ 0 gh 0+ 0· 5 ρ 0 u …
exerted on a rigid barrier. The new model consists of two terms, p= α 1 ρ 0 gh 0+ 0· 5 ρ 0 u …
Dilative and compressive Coriolis effect on granular impact behavior based on centrifuge modeling and DEM simulation
B Zhang, W Li, J Pu, Y Bi, Y Huang - Engineering Geology, 2023 - Elsevier
The centrifuge modeling of the impact dynamics of high-speed granular flows is important for
understanding debris–barrier interactions. However, it remains challenging owing to the …
understanding debris–barrier interactions. However, it remains challenging owing to the …
Impact dynamics of boulder-enriched debris flow on a rigid barrier
Boulders entrained in debris flow induce high impact forces on a rigid barrier. In current
design practice, the concentrated load from boulders is estimated using the Hertz equation …
design practice, the concentrated load from boulders is estimated using the Hertz equation …
Face stability conditions in granular soils during the advancing and stopping of earth-pressure-balanced-shield machine
The instability of the tunnel face is one of the biggest concerns when tunneling with an earth
pressure balanced shield (EPBS) machine. The mechanism by which the tunnel face fails is …
pressure balanced shield (EPBS) machine. The mechanism by which the tunnel face fails is …
A unified CFD‐DEM approach for modeling of debris flow impacts on flexible barriers
This paper presents a unified modeling framework to investigate the impacts of debris flow
on flexible barriers, based on coupled computational fluid dynamics and discrete element …
on flexible barriers, based on coupled computational fluid dynamics and discrete element …