Study on the mechanism of displacement mutation for jointed rock slopes during blasting excavation

J Dai, J Yang, C Yao, Y Hu, X Zhang, Q Jiang… - International Journal of …, 2022 - Elsevier
During blasting excavation of jointed rock slopes, the rock masses of the slopes often suffer
an abrupt change in displacement, which is called displacement mutation. This kind of …

3D probabilistic landslide run-out hazard evaluation for quantitative risk assessment purposes

P Zeng, X Sun, Q Xu, T Li, T Zhang - Engineering Geology, 2021 - Elsevier
The quantitative risk assessment of landslides requires the spatial impact probability of their
run-out processes to conduct vulnerability assessments and prioritize mitigation measures …

Intelligent calibration method for microscopic parameters of soil‒rock mixtures based on measured landslide accumulation morphology

C Ma, L Chen, K Yang, J Yang, Y Tu… - Computer Methods in …, 2024 - Elsevier
The discrete element method (DEM) has been widely used in landslide research. However,
selecting microscopic parameters is complicated due to the diversity and complexity of …

Reliability analysis of rock slopes considering the uncertainty of joint spatial distributions

H Zhang, S Wu, Z Zhang, S Huang - Computers and Geotechnics, 2023 - Elsevier
To reasonably and effectively evaluate the stability of jointed rock slopes, this study
proposes a reliability analysis method that considers the uncertainty of the joint spatial …

Influence of hydrate exploitation on stability of submarine slopes

Y Zhao, L Kong, L Liu, J Liu - Natural Hazards, 2022 - Springer
The decomposition of natural gas hydrate will reduce the cementation effect of hydrate and
produce ultra-static pore pressure, which will change the mechanical characteristics of the …

Stability evaluation of rock slope based on discrete fracture network and discrete element model: a case study for the right bank of Yigong Zangbu Bridge

Y Li, J Chen, F Zhou, Y Bao, Z Li, S Song, C Cao - Acta Geotechnica, 2022 - Springer
Distribution characteristics and strength of 3D discrete fractures have a decisive effect on the
rock slope stability. How to use the fractures obtained on site to establish a 3D fractured rock …

Risk assessment and support design optimization of a high slope in an open pit mine using the jointed finite element method and discontinuous deformation analysis

J Kang, D Wan, Q Sheng, X Fu, X Pang, L Xia… - Bulletin of Engineering …, 2022 - Springer
The stability of high jointed slopes has an important impact on the construction of
engineering projects. Herein, aiming at the high jointed slope of mine, by combining the …

Investigation on the failure mechanism of a tunnel entrance high-steep slope with ultra-large wedge blocks based on discrete element method

H Xu, S Li, D Xu, X Liu, Y Xia, G Wang, X Ma… - Computers and …, 2024 - Elsevier
An unstable wedge block with a volume of approximately 1,200,000 m 3, intersected by an
anti-dipped large fault and two outward-dipped faults, has been identified on the high-steep …

A coupled discrete element and depth-averaged model for dynamic simulation of flow-like landslides

X Su, X Xia, Q Liang, J Hou - Computers and Geotechnics, 2022 - Elsevier
Flow-like landslides commonly happen in mountainous areas and may threaten people's
lives, damage their properties, and create negative impact on the environment. Computer …

Three-dimensional discrete element analysis of jointed rock slope stability based on the universal elliptical disc model

SH Jiang, JD Chen, ZZ Wang, J Zheng… - Rock Mechanics and …, 2024 - Springer
A three-dimensional representation of the random distribution of fractures in rock masses,
known as the discrete fracture network (DFN), is widely used to analyze the stability of …