Influence spatial behavior of surface cracks and prospects for prevention methods in shallow loess tunnels in China

J Qiu, D Liu, K Zhao, J Lai, X Wang, Z Wang… - … and Underground Space …, 2024 - Elsevier
A great concern for the construction surface cracks of large cross-section tunnels, which are
being or to be built in the loess strata of China, is attracted. The mechanism of surface crack …

Failures in loess slope-tunnel system: An overview of trigging sources, acting mechanism and mitigation strategies

Y Qin, Y Chen, J Lai, J Qiu, Z Wang, T Liu… - Engineering Failure …, 2024 - Elsevier
A profound understanding of the interaction between loess slopes and tunnels, along with
the mastery of protective measures for tunnels crossing loess slopes, is crucial for ensuring …

Failure mechanism and countermeasures of rainfall-induced collapsed shallow loess tunnels under bad terrain: A case study

Y Qin, C Shang, X Li, J Lai, X Shi, T Liu - Engineering Failure Analysis, 2023 - Elsevier
With the rapid increase in the construction of loess tunnels, more and more problems are
encountered during the construction process, especially regarding the issue of collapse in …

Effect of compressible layer on time-dependent behavior of soft-rock large deformation tunnels revealed by mathematical analytical method

K Wu, X Zheng, N Zhao, Z Shao - Applied Mathematical Modelling, 2024 - Elsevier
The application of compressible layers is considered to be the most promising solution for
solving the problem of large deformations in deep soft-rock tunnels. However, although …

Critical slowing down precursor information for the acoustic emission response characteristics of defective tuffs

Z Zhang, Z Song, J Lai, J Qiu, Y Cheng… - Theoretical and Applied …, 2024 - Elsevier
Fracture characteristics of rock and rational structural design are necessary to ensure the
stability of underground rock engineering. Early warning of rock damage is a hot and …

Reliability analysis method for tunnel structural design: Brief review and relevant prospects

Z Wang, M Hu, J Lai, S Xie, Y Cai - Structures, 2023 - Elsevier
Ensuring the reliability of tunnel support systems is crucial for their safe and uninterrupted
use. However, tunnel engineering involves numerous uncertain factors, such as the …

Skid resistance of cement concrete pavement in highway tunnel: a review

W Zhao, J Zhang, J Lai, X Shi, Z Xu - Construction and Building Materials, 2023 - Elsevier
Deep insight on the skid resistance of highway tunnel pavement is vital to driving safety of
vehicles. This paper presents a review on the skid resistance of cement concrete pavement …

Local buckling characteristic of hollow π-type steel-concrete composite support in hilly-gully region of loess tunnel

Z Wang, Y Cai, Y Fang, J Lai, H Han, J Liu, H Lei… - Engineering Failure …, 2023 - Elsevier
Shallow tunnel can be directly affected by the terrain, and the traditional steel frame is prone
to distorting and buckling failure when the tunnel is constructed in a loess region, as it is …

Effects of jet-grouting piles on loess tunnel foundation with centrifugal model tests

H Fan, T Liu, S Zhang, H He, Z Zhu, Y Zhu… - International Journal of …, 2023 - ascelibrary.org
Loess is a common soil layer of geological movement. It has macropores, vertical joints, and
tubular pores and also low strength and strong water sensitivity. When building a tunnel in a …

Study on the time‐dependent interaction between surrounding rock and yielding supports in deep soft rock tunnels

K Wu, J Song, N Zhao, Z Shao - International Journal for …, 2024 - Wiley Online Library
As yielding supports can deform without being damaged, the yielding principle has attracted
significant attention for tunnelling in squeezing ground compared with the heavy support …