[HTML][HTML] Method for predicting the stress state of the lining of underground structures of quasi-rectangular and arched forms

MA Karasev, TT Nguyen - Записки Горного института, 2022 - cyberleninka.ru
A method for predicting the stress-strain state of the lining of underground structures, the
shape of the cross-section of which is different from the circular outline, is considered. The …

[HTML][HTML] Design optimization of quasi-rectangular tunnels based on hyperstatic reaction method and ensemble learning

TT Nguyen, BT Cao, VV Pham, HG Bui… - Journal of Rock Mechanics …, 2024 - Elsevier
The quasi-rectangular tunnel represents a novel cross-section design, intended to
supersede the traditional circular and rectangular tunnel formats. Due to the limited capacity …

Analytical approach for segmental tunnels considering nonlinear longitudinal joints in soft soils

Y Qiang, L Fayun, W Rulu - Transportation Geotechnics, 2022 - Elsevier
As a discontinuous ring structure, joints are the weakness of a tunnel lining, which have a
significant influence on the tunnel deformations and internal forces. Since the deformations …

Design of Quasi-Rectangular Tunnel Built in the Rock Masses Following Hoek–Brown Failure Criterion

D Du, D Lei, K Liu, D Dias - Buildings, 2022 - mdpi.com
Although quasi-rectangular tunnels have been widely used in underground projects, there is
no related research work that was carried out to design this kind of tunnel excavated in the …

Numerical investigation of the horseshoe tunnels structural behavior

TT Nguyen, NA Do, KM Anatolyevich, D Dias… - Indian Geotechnical …, 2022 - Springer
Non-circular tunnels such as horseshoe tunnel, constructed by tunnel boring machines
(TBMs), are increasingly used due to their large utilization area in cross section, high …

Parameter sensitivity analysis of a new fabricated rectangular tunnel joint using numerical method

Z Huang, C Zhang, S Ma, H Zhang, Z Zhou… - KSCE Journal of Civil …, 2022 - Elsevier
An assembled rectangular tunnel has the advantages of high space utilization rate and
strong urban applicability. This solution has been widely used in urban underground traffic …

An improved Hyperstatic Reaction Method for tunnels under seismic loading

Q Sun, D Du, D Dias - Tunnelling and Underground Space Technology, 2021 - Elsevier
Abstract Hyperstatic Reaction Method (HRM) is a simple but effective method with attractive
features in calculating internal forces and deformations of the tunnel lining. The superior …

Experimental and Theoretical Investigations of the Mechanical Behavior of Column-Free Quasi-Rectangular Segmental Tunnel Linings

Z Liu, Y Chen, Y Wu, X Liu - Applied Sciences, 2024 - mdpi.com
Featured Application Engineering applications of non-circular segmental tunnels. Abstract
To investigate the mechanical behavior and design methodology of column-free QRST …

A simplified way to evaluate the effect of temperature on a circular tunnel

D Du, D Dias, NA Do - Geotechnics, 2021 - mdpi.com
Temperature differences between the surrounding ground and the tunnel lining will cause a
variation of the tunnel lining forces. The hyperstatic reaction method (HRM) could be …

Design of deep rock tunnels using hyperstatic reaction and convergence confinement methods

D Du, D Dias, N Do - Proceedings of the Institution of Civil …, 2022 - icevirtuallibrary.com
Tunnel lining is usually installed with delay behind the tunnel face excavation, which
requires that a displacement is considered at the tunnel boundary before the support …