Experimental analysis on the progressive failure mechanism of soft rock subjected to tunnel excavation

P Liao, F Wang, C Guo - Engineering Failure Analysis, 2024 - Elsevier
The failure of the soft rock can seriously threaten the construction and operation of tunnels,
which may suffer from larger deformation and instability. The knowledge of the failure …

[HTML][HTML] A review of test methods for uniaxial compressive strength of rocks: Theory, apparatus and data processing

WQ Xie, XL Liu, XP Zhang, QS Liu, EZ Wang - Journal of Rock Mechanics …, 2024 - Elsevier
The uniaxial compressive strength (UCS) of rocks is a vital geomechanical parameter widely
used for rock mass classification, stability analysis, and engineering design in rock …

Fatigue damage evolution behaviors and fractional fatigue mechanical model of monzogabbro under true triaxial disturbance test

Z Zheng, H Xu, W Wang, G Mei, W Cai, Z Tang… - International Journal of …, 2024 - Elsevier
The disturbance wave caused by excavation or blasting of underground surrounding rock
causes fatigue degradation effect of rock and eventually leads to disasters. However, the …

A novel implementation method of GZZ-based constitutive model into FLAC3D

Y Xiao, M He, Y Qiao, W Cai, Y Jiang, H Zhu - Tunnelling and Underground …, 2024 - Elsevier
Abstract The Generalized Zhang and Zhu (GZZ) strength criterion is one of the three-
dimensional criteria suggested by the International Society for Rock Mechanics and Rock …

Failure analysis of progressive instability and deformation law of excavation face in sand cobble stratum under cutting disturbance by shield cutter

Q Xu, J Xie, L Zhang, X He, L Lu, Y Li - Engineering Failure Analysis, 2023 - Elsevier
Shield construction plays a crucial role in the development of underground infrastructure.
However, as a complex engineering process, it can lead to excavation face instability and …

A Novel Dynamic Fractional Mechanical Model for Rock Fracture Under True Triaxial Static-Dynamic Combined Loading and its Engineering Application

Z Zheng, R Li, S Li, G Lu, Q Zhang, S Qiu - Rock Mechanics and Rock …, 2024 - Springer
The frequent far-field microdynamic disturbance caused by excavation of high-stress deep
underground engineering will induce the continuous damage deterioration of surrounding …

The analysis for characteristic of particles movement and pressure balance stability in the shield soil chamber during the EPBS excavation in weathered diorite stratum

Q Xu, H Yu, J Chong, J Xie, X He, Y Li, J Li - Engineering Failure Analysis, 2024 - Elsevier
The number of face failure accidents are mainly due to adequate soil chamber pressure
particularly for the earth pressure balance shield (EPBS) tunnel excavation in rock stratum …

Mathematical modelling for interaction between soft ground and small curvature shield tunneling considering viscoelastic characteristics influences

Z Zhang, Y Chen, K Han, G Wei, Y Pan… - Applied Mathematical …, 2024 - Elsevier
The current analytical solutions for predicting the ground settlements induced by small
curvature tunneling in soft ground are generally conducted on the assumption of linear …

Method for determining yield state and new solutions for stress and displacement fields of cold region tunnels under freeze-thaw cycles

B Gao, Y Luo, J Chen, J Bai, H Luo - Tunnelling and Underground Space …, 2025 - Elsevier
The water-bearing surrounding rock in cold region tunnels is significantly affected by freeze-
thaw (FT) cycles generated by seasonal temperature changes, which can severely lead to …

Catastrophic failure mechanism of underground complexes under deep construction disturbance

H Chen, H Xiong, Y Qiu, ZY Yin, X Chen - Tunnelling and Underground …, 2024 - Elsevier
The burgeoning demand for land resources in cities has spurred the development of
intricate underground infrastructure networks. Therefore, evaluating the performance and …