Experimental investigation on pipe-soil interaction due to ground subsidence via high-resolution fiber optic sensing

HJ Li, HH Zhu, HY Wu, B Zhu, B Shi - Tunnelling and Underground Space …, 2022 - Elsevier
Understanding the pipe-soil interaction is critical for the design and safety assessment of
buried pipelines subjected to large differential ground motion. Laboratory model tests were …

Effect of an undercrossing tunnel excavation on an existing tunnel considering nonlinear soil-tunnel interaction

D Jin, D Yuan, YCH Ng, Y Pan - Tunnelling and Underground Space …, 2022 - Elsevier
In heavily urbanised areas, the construction of tunnels underneath existing ones is
unavoidable and much caution has to be exercised in both design and construction so as …

Timoshenko-beam-based response of existing tunnel to single tunneling underneath and numerical verification of opening and dislocation

J Yu, H Li, M Huang, Y Li, JQW Tan, Y Guo - Computers and Geotechnics, 2022 - Elsevier
Longitudinal deformation of shield tunnels consists of a combination of both bending and
shearing, which is characterized by the opening of the joints and the dislocation between …

Deformation analysis of existing tunnels with shearing and bending stiffness reduction at movement joints

X Liu, Q Fang, A Jiang, J Li - Tunnelling and Underground Space …, 2022 - Elsevier
In urban areas, new tunnels are frequently constructed beneath existing tunnels. The
common prediction of the deformation of existing tunnels depends on an elastic continuous …

[HTML][HTML] Multi-objective optimization-based prediction of excavation-induced tunnel displacement

Y Tao, W He, H Sun, Y Cai, J Chen - Underground Space, 2022 - Elsevier
This paper proposes an inverse method for improving the prediction of tunnel displacements
during adjacent excavation. In this framework, staged data assimilation and parameter …

Centrifuge modeling of the influence of joint stiffness on pipeline response to underneath tunnel excavation

J Shi, Y Chen, H Lu, S Ma… - Canadian Geotechnical …, 2022 - cdnsciencepub.com
Any tunnel construction inevitably causes differential soil movements, resulting in additional
adverse effects on existing pipelines. Although there are many jointed pipelines in practice …

EM calculation model and its application of calculating deformation in a new tunnel orthogonally undercrossing an existing tunnel

X Liu, L Wang, X Zhou, J Wang, Z Zhong, P Liu… - … and Underground Space …, 2022 - Elsevier
A new tunnel orthogonally undercrossing an existing tunnel at a close distance inevitably
affects the deformation of the existing tunnel. Analytical calculation methods of the …

[HTML][HTML] A case study on performances of overlying pipelines due to shallow tunnels excavation in water-rich gravel ground

X Zhang, H Cheng, Y Xu, H Li - Ain Shams Engineering Journal, 2022 - Elsevier
Twin rectangular-shaped tunnels were constructed vertically beneath the adjacent pipelines
in water-rich gravel ground. An analysis was carried out using measured datum to reveal the …

Finite-element investigation of excavation-induced settlements of buildings and buried pipelines

YP Dong, HJ Burd, GT Houlsby - Journal of Geotechnical and …, 2022 - ascelibrary.org
Excavation-induced ground movements can have a detrimental influence on adjacent
structures and services. These complex soil–structure interactions are affected by a range of …

An equivalent beam approach for assessing tunnelling-induced distortions of frames with infills

A Franza, S Miraei, D Boldini, N Losacco - Tunnelling and Underground …, 2022 - Elsevier
This paper presents an approach to evaluate the response of low-and medium-rise frames
with continuous foundations, either with or without infills, to tunnelling employing an …