Soil liquefaction–induced uplift of underground structures: physical and numerical modeling

SC Chian, K Tokimatsu… - Journal of Geotechnical …, 2014 - ascelibrary.org
Underground structures located in liquefiable soil deposits are susceptible to floatation
following a major earthquake event. Such failure phenomenon generally occurs when the …

Numerical analysis on the seismic behavior of a large metro subway tunnel in liquefiable ground

X Bao, Z **a, G Ye, Y Fu, D Su - Tunnelling and Underground Space …, 2017 - Elsevier
This paper aims to investigate the seismic behavior of a large rectangular metro tunnel in
liquefiable soil deposit. The study is performed by an effective stress based soil-water fully …

Evaluation of the earthquake induced uplift displacement of tunnels using multivariate adaptive regression splines

G Zheng, P Yang, H Zhou, C Zeng, X Yang… - Computers and …, 2019 - Elsevier
Underground structures located in areas with saturated soil are vulnerable to floating
behaviour during earthquakes. This article aims to develop a simple approach for estimating …

[PDF][PDF] 城市地下结构抗震研究进展

陈国兴, 陈苏, 杜修力, 路德春, 戚承志 - 防灾减灾工程学报, 2016 - researchgate.net
城市地下结构, 尤其是隧道, 地铁, 地下车站, 地下管线系统, 是现代社会公共基础设施的重要组成
部分. 考虑到城市地下结构对生命和经济的重要性, 对城市地下结构进行适当的抗震设计是非常 …

Prediction of nonlinear seismic response of underground structures in single-and multi-layered soil profiles using a deep gated recurrent network

Y Wu, Z Yin, H Zhang, W Geng - Soil Dynamics and Earthquake …, 2023 - Elsevier
A deep learning method consisting of the gated recurrent (GRU) neural network is proposed
to predict the seismic responses of underground structures in single-layered soil and multi …

[HTML][HTML] Shaking table tests on the liquefaction-induced uplift displacement of circular tunnel structure

S Nokande, Y Jafarian, A Haddad - Underground Space, 2023 - Elsevier
Underground structures are susceptible to float and move upward during earthquakes when
located in a liquefiable soil deposit. There are examples of this phenomenon in past major …

Soil-pile-structure kinematic and inertial interaction observed in geotechnical centrifuge experiments

MN Hussien, T Tobita, S Iai, M Karray - Soil Dynamics and Earthquake …, 2016 - Elsevier
This paper reports the results of a series of centrifuge tests examining dynamic responses of
single and 3× 3 grouped piles embedded in sand and supporting SDOF and 2DOF …

Mitigation of liquefaction-induced uplift of underground structures

AO Mahmoud, MN Hussien, M Karray… - Computers and …, 2020 - Elsevier
Buoyancy is one of the most serious manifestations of underground structure's instability
during strong ground motions. Soil liquefaction along with significant reduction of its shear …

Shaking table test on mitigation of liquefaction-induced tunnel uplift by helical pile

S Nokande, A Haddad, Y Jafarian - International Journal of …, 2023 - ascelibrary.org
The tunnels located in the shallow depths of loose saturated sand are significantly prone to
liquefaction-induced uplift. Research works are, therefore, in progress to propose efficient …

[HTML][HTML] Uplift mechanism of open-cut tunnel in liquefied ground and simplified method to evaluate the stability against uplifting

K Watanabe, R Sawada, J Koseki - Soils and Foundations, 2016 - Elsevier
The liquefaction of sandy soil during earthquakes causes the uplift of relatively light
structures such as open-cut railway tunnels. The potential for the uplift of underground …