Structural fire investigation and analysis on rectangular shield tunnel assembled by composite segments

Z Yan, Z Zhou, Y Shen, J Li, L Guan, H Zhu - Engineering Failure Analysis, 2024 - Elsevier
Rectangular shield tunnels have been extensively used in roads, railways, stations, etc. In
this paper, the structural responses of rectangular shield tunnel assembled by composite …

[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 …

Influence of tunnel shape on tunnel lining behaviour

TT Nguyen, NA Do, MA Karasev… - Proceedings of the …, 2021 - icevirtuallibrary.com
Circular tunnels are the most popular shapes in urban underground transportation systems
when mechanised tunnelling is used for the tunnel excavation. However, circular tunnels …

[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 …

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 …

Sub-rectangular tunnel behavior under seismic loading

VV Pham, NA Do, D Dias - Applied Sciences, 2021 - mdpi.com
Circular and rectangular tunnel shapes are usually chosen when excavating at shallow
depths in urban areas. However, special-shaped tunnels such as sub-rectangular tunnels …

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 …

Study on the tunnel shape and soil-lining interaction influencing the lining behavior under seismic loading

VV Pham, NA Do, P Osinski, NT Do, D Dias - Earthquake Engineering and …, 2024 - Springer
The response of tunnels subjected to seismic loading is a complex mechanism and depends
not only on the seismic nature but also on tunnel structure and surrounding soil properties …