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 …

An insight from rock bolts and potential factors influencing their durability and the long-term stability of deep rock tunnels

W Frenelus, H Peng, J Zhang - Sustainability, 2022 - mdpi.com
Selecting and designing the most suitable support systems are crucial for securing
underground openings, limiting their deformation and ensuring their long-term stability …

Investigation on the evolution and control of surrounding rock fracture under different supporting conditions in deep roadway during excavation period

Z **, H Jianhua, W Jie, Y Dongjie… - Bulletin of Engineering …, 2023 - Springer
In this study, uniaxial compression experiments were conducted of granite specimens
containing two preexisting fissures to investigate the effect of bolts on mechanical behaviour …

An intelligent model based on statistical learning theory for engineering rock mass classification

K Liu, B Liu, Y Fang - Bulletin of Engineering Geology and the …, 2019 - Springer
The engineering classification of rock masses is the basis of rock engineering design and
construction. We propose and apply a quick basic quality (BQ) classification method based …

Study on the inorganic synthesis from recycled cement and solid waste gypsum system: Application in grouting materials

C Lin, W Dai, Z Li, Y Wang - Construction and Building Materials, 2020 - Elsevier
Grouting reinforcement technology plays an important role in the field of disaster prevention
and control of deep underground engineering. Due to the insufficient workability and …

Effects of rock weathering on guided wave propagation in rock bolts

JD Yu, JS Lee, HK Yoon - Tunnelling and Underground Space Technology, 2021 - Elsevier
Rock quality is a critical design parameter of rock bolts. However, rock weathering
deteriorates rock quality and adversely affects the performance of rock bolts. The objective of …

Experimental and analytical investigation of the shear resistance of a rock joint held by a fully-grouted bolt and subject to large deformations

Y Li, DD Tannant, J Pang, G Su - Transportation Geotechnics, 2021 - Elsevier
Failures of rock bolts installed in jointed rock masses due to shear movement along weak
joints in bedding rock slopes or underground caverns are common. Existing models to …