Model test on deformation and failure behaviour of arching-type slope under excavation condition

K Fang, M Miao, H Tang, A Dong, S Jia, P An… - Engineering …, 2022 - Elsevier
Excavation is one of the common triggers for slope failures. Loss of support at the toe of a
slope due to mining excavation can cause unloading of geomaterials close to the excavated …

Study on geomechanical and physical models of necking-type slopes

K Fang, H Tang, J Zhu, Z Fu, P An, B Zhang… - Journal of Earth …, 2023 - Springer
A simplified geomechanical model was proposed by considering three typical necking-type
slopes; this model lays a foundation for the further investigation of the deformation behaviors …

Performance of counterweight balance on stability of undercut slope evaluated by physical modeling

M Khosravi, L Tang, T Pipatpongsa… - International Journal …, 2012 - Taylor & Francis
The frictional behavior of a block of moist silica sand No. 6 on a Teflon plate is studied thru a
series of slip tests. A relation was found between the supports on the sides and toe and the …

Arch action over an excavated pit on a stable scarp investigated by physical model tests

MH Khosravi, T Pipatpongsa, A Takahashi… - Soils and …, 2011 - jstage.jst.go.jp
Some slope failures along oblique faults experience arch to the extent that the stable scarp
can be observed after collapse. The load resisting the scarp is transferred to the side …

Soil arching behind retaining walls under active translation mode: review and new insights

MH Khosravi, M Bahaaddini, AR Kargar… - International Journal of …, 2018 - ijmge.ut.ac.ir
Granular materials have a tendency to exhibit an arching effect by which the load is
transferred from yielding parts to adjacent stationary parts. Retaining walls are among those …

Geometry and maximum width of a stable slope considering the arching effect

K Fang, H Tang, X Su, W Shang, S Jia - Journal of Earth Science, 2020 - Springer
The stability of an arching slope in deformable materials above strong rocks strongly
depends on the shape and width of the span. Equations for a free surface problem that …

Arching effect in slopes under excavation: Classification and features

K Fang, S Jia, H Tang, R Zhou, Z Kong, Y Fu, P An… - Engineering …, 2024 - Elsevier
Classifying excavation-induced slopes considering the arching effect and understating the
features are crucial for determining the appropriate designs for excavation, assessing the …

In-flight excavation of slopes with potential failure planes

MH Khosravi, J Takemura, T Pipatpongsa… - Journal of Geotechnical …, 2016 - ascelibrary.org
The stability of an in-flight undercut slope with a potential failure plane was investigated
under a centrifugal acceleration of 50 g. The experimental results confirmed the formation of …

A numerical analysis on the performance of counterweight balance on the stability of undercut slopes

MH Khosravi, H Sarfaraz, M Esmailvandi… - International Journal of …, 2017 - ijmge.ut.ac.ir
One of the important parameters in undercut slopes design is the determination of the
maximum stable undercut span. The maximum stable undercut span is a function of slope …

Application of artificial neural network for stability analysis of undercut slopes

H Sarfaraz, MH Khosravi, T Pipatpongsa… - International Journal of …, 2021 - ijmge.ut.ac.ir
One of the significant tasks in undercut slopes is determining the maximum stable undercut
span. According to the arching effect theory, undercut excavations cause the weight of the …