Creep behavior of rocks and its application to the long-term stability of deep rock tunnels

W Frenelus, H Peng, J Zhang - Applied Sciences, 2022 - mdpi.com
Since underground structures such as tunnels are inevitably surrounded by rocks, their long-
term safety and stability are primarily governed by the comportment of these materials. Being …

Extensive overview of soil constitutive relations and applications for geotechnical engineering problems

KC Onyelowe, AM Ebid, ER Sujatha, F Fazel-Mojtahedi… - Heliyon, 2023 - cell.com
A state-of-the-art review has been conducted in this work on soil constitutive modeling,
which has emphasized on: soil type, ground-water conditions, loading conditions, structural …

[HTML][HTML] Effect of coal thicknesses on energy evolution characteristics of roof rock-coal-floor rock sandwich composite structure and its damage constitutive model

Q Ma, Y Tan, X Liu, Q Gu, X Li - Composites Part B: Engineering, 2020 - Elsevier
The stability of the sandwich composite structures formed by leaving coal pillar, roof rock
and floor rock (RCF) is of great significance to safe production of coal mines. The failure of …

Modeling of non-linear rheological behavior of hard rock using triaxial rheological experiment

Y Zhao, Y Wang, W Wang, W Wan, J Tang - International Journal of Rock …, 2017 - Elsevier
This paper presents an extensive laboratory investigation of the non-linear rheological
mechanical characteristics of hard rock under cyclic incremental loading and unloading. A …

Effects of height/diameter ratio on failure and damage properties of granite under coupled bending and splitting deformation

D Ma, J Wang, X Cai, X Ma, J Zhang, Z Zhou… - Engineering Fracture …, 2019 - Elsevier
In underground mining, rock roofs with different thicknesses have distinct failure patterns
under the complex stress. To understand the height/diameter ratio (H/D) on failure properties …

The effect of water on the creep behavior of red sandstone

C Yu, S Tang, D Duan, Y Zhang, Z Liang, K Ma… - Engineering …, 2019 - Elsevier
Water is an important factor influencing the long-term stability of underground construction.
In the present work, a series of uniaxial compressive strength tests and multistage creep …

Separation of elastoviscoplastic strains of rock and a nonlinear creep model

Y Zhao, L Zhang, W Wang, W Wan… - International Journal of …, 2018 - ascelibrary.org
A series of triaxial creep tests were carried out on fractured limestone specimens under
multilevel loading and unloading cycles to capture elastoviscoplastic strain components. A …

Experimental investigations of pressure stimulated currents from stressed sandstone used as precursors to rock fracture

D Li, E Wang, Z Li, Y Ju, D Wang, X Wang - International Journal of Rock …, 2021 - Elsevier
Precursor information of rock fracture is a prerequisite for rock dynamic disaster (RDD)
prediction. To investigate the precursor information of rock fracture based on pressure …

Study on the triaxial unloading creep mechanical properties and damage constitutive model of red sandstone containing a single ice-filled flaw

R Shan, Y Bai, Y Ju, T Han, H Dou, Z Li - Rock Mechanics and Rock …, 2021 - Springer
The freezing method is an effective approach for constructing coal mine shafts through water-
rich soft rock strata. The frozen wall produced by this technique stops the movement of water …

Study on nonlinear damage creep constitutive model for high-stress soft rock

P Cao, W Youdao, W Yixian, Y Haiping… - Environmental Earth …, 2016 - Springer
Rock engineering especially deep rock engineering undergoing long-term effects of external
loading and gravity all or most may gradually damage deformation or creep deformation …