Rock tunnel performance under blast loading through finite element analysis

MR Sadique, M Zaid, MM Alam - Geotechnical and Geological …, 2022 - Springer
Underground rock tunnels have been an integral part of human civilization, since several
decades. The construction and continuous use of these underground structures have …

Artificial Intelligence-Assisted Optimization of Tunnel Support Systems Based on the Multiple Three-Dimensional Finite Element Analyses Considering the Excavation …

AB Ekmen, Y Avci - Iranian Journal of Science and Technology …, 2023 - Springer
The increased processing capacity of computer systems has enabled the realistic analysis of
complex geotechnical problems with the finite element method and detailed optimization …

FEA of urban rock tunnels under impact loading at targeted velocity

S Mishra, M Zaid, KS Rao, NK Gupta - Geotechnical and Geological …, 2022 - Springer
This paper presents the effect of impact load and weathering of surrounding rockmass on
the deformation behavior of urban underground structures. The FEM based numerical …

The effects of initial stresses on nonlinear dynamic response of high arch dams subjected to far-field underwater explosion

X Pan, G Wang, W Lu, P Yan, M Chen, Z Gao - Engineering Structures, 2022 - Elsevier
Blast performance assessment of 300 m high arch dams is an important topic having been
extensively studied in recent years. Because the arch dam is convex on the upstream face …

[HTML][HTML] Assessment of machine learning models for the prediction of rate-dependent compressive strength of rocks

Z Yang, Y Wu, Y Zhou, H Tang, S Fu - Minerals, 2022 - mdpi.com
The prediction of rate-dependent compressive strength of rocks in dynamic compression
experiments is still a notable challenge. Four machine learning models were introduced and …

Blast resisting responses and upgrading technology for an underground structure subjected to external explosions

Y Wang, Z Zhao, H Qiang, X Wang, J Guo - Structures, 2023 - Elsevier
Underground structures are widely constructed as the key parts of lifeline system with
synthetic functions in modern society. Simultaneously, the integration of blast-resisting …

[HTML][HTML] Geopolymer-based modification of blasting sealing materials and optimization of blasting block size in coal seams of open pit mines

X Ding, Z Ao, W Zhou, H Qin, Z Yang, W An, X Li… - International Journal of …, 2023 - Elsevier
This research proposes the utilization of a geopolymer-based blasting sealing material to
improve the profitability of coal sales and reduce the rate of coal fragmentation during …

[HTML][HTML] Energy generation and attenuation of blast-induced seismic waves under in situ stress conditions

J Yang, J Sun, Y Jia, Y Yao - Applied Sciences, 2022 - mdpi.com
During blasting in deep mining and excavation, the rock masses usually suffer from high in
situ stress. The initial seismic energy generated in deep rock blasting and its attenuation …

[HTML][HTML] Calculation model for ventilation friction resistance coefficient by surrounding rock roughness distribution characteristics of mine tunnel

K Gao, Z Qi, Y Liu, J Zhang - Scientific Reports, 2022 - nature.com
Real-time mine ventilation network solution is the core way to realize the actual intelligent
ventilation, and ventilation friction resistance coefficient is a significant parameter of network …

[HTML][HTML] Dynamic stability analysis of metro tunnel in layered weathered sandstone

M Shoeb, SA Khan, T Alam, MA Ali, NK Gupta… - Ain Shams Engineering …, 2024 - Elsevier
In this study a coupled-eulerian–lagrangian (CEL) approach has been applied to assess the
internal blast loading conditions, for the tunnel built in three layers of sandstone rock. The …