Blar i Norwegian Geotechnical Institute (NGI) Digital Archive på forfatter "Liu, Zhongqiang"
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A new look at the statistics of tailings dam failures
Piciullo, Luca; Storrøsten, Erlend Briseid; Liu, Zhongqiang; Nadim, Farrokh; Lacasse, Suzanne (Peer reviewed; Journal article, 2022) -
A physics-inspired machine learning approach for water-tightness estimation of defective cut-off walls with random construction errors
Tao, Rui; Pan, Yutao; Liu, Zhongqiang; Liu, Yong; Ritter, Stefan (Peer reviewed; Journal article, 2023) -
Algorithms for intelligent prediction of landslide displacements
Liu, Zhongqiang; Guo, Dong; Lacasse, Suzanne; Li, Jin-hui; Yang, Beibei; Choi, Jung Chan (Peer reviewed; Journal article, 2020)Landslides represent major threats to life and property in many areas of the world, such as the landslides in the Three Gorges Dam area in mainland China. To better prepare for landslides in this area, we explored how ... -
Analytical solution for tunnelling-induced response of an overlying pipeline considering gap formation
Lin, Cungang; Zheng, Junjie; Ye, Yiwen; Nadim, Farrokh; Liu, Zhongqiang; Zhao, Chenyang; Chen, Yu; Ding, Zhi (Peer reviewed; Journal article, 2023)Soil-pipeline separation due to tunnelling has been certainly substantiated in previous model tests. However, this phenomenon has seldom been considered in current analytical solutions. This study formulates a tensionless ... -
Annual Report 2020
Gauer, Peter; Salazar, Sean; Robinson, Kate; Issler, Dieter; Frauenfelder, Regula; Langeland, Henrik; Liu, Zhongqiang; Domaas, Ulrik; Jaedicke, Christian; Gilbert, Graham (NGI-Rapport;20200017-02-R, Research report, 2021-03-19)During the first year of the project period 2020-2022 of NGIs research project on Snow avalanches, Applied Avalanche Research in Norway (AARN), work was conducted in all three work packages (WP 1 – Avalanche formation and ... -
Annual Report 2021
Gauer, Peter; Salazar, Sean; Robinson, Kate; Issler, Dieter; Frauenfelder, Regula; Liu, Zhongqiang; Jaedicke, Christian; Gilbert, Graham (NGI-Rapport;20200017-03-R, Research report, 2022-04-08)During the second year of the project period 2020-2022 of NGIs research project on snow avalanches, Applied Avalanche Research in Norway (AARN), work was conducted in all three work packages (WP 1 – Avalanche formation and ... -
Characterization of method Uncertainty for Axial Pile Design
Liu, Zhongqiang; Nadim, Farrokh; Lacasse, Suzanne (Chapter, 2018)The paper describes two approaches for deriving the mean, standard deviation and probability density function of the method uncertainty for an axial pile capacity calculation method. The focus of this paper is on estimating ... -
Data-Fusion Based Vulnerability Analysis of Shield Driven Tunnel Suffering from Extreme Soil Surcharging
Xie, Xin; Huang, Hongwei; Zhang, Dongming; Liu, Zhongqiang; Lacasse, Suzanne (Chapter, 2019)A new data fusion approach is presented for evaluating the vulnerability curves utilizing multi-source monitoring information. A Bayesian network with continuous variables for a shield driven tunnel involving the loading ... -
Deformation triggers and stability evolution of landslide from multiple observations
Yang, Beibei; Liu, Zhongqiang; Lacasse, Suzanne; Wang, Luqi; Xiao, Ting (Peer reviewed; Journal article, 2023)External causes like changes in reservoir level and intense rainfall can cause reservoir landslides. Exploring the factors that govern landslide deformation and analyzing its stability evolution is essential in mitigating ... -
GeoSuite Assistance for the Calculation of Settlement
Lacasse, Suzanne; Jostad, Hans Petter; Kim, Yunhee; Liu, Zhongqiang; Sandven, Rolf Birger (Chapter, 2016)As part of the development of the Norwegian-Swedish software GeoSuite, a module with geoassistance was developed and implemented. The paper describes this user-assistance, called "Wizard", helping the user with 1D, 2D and ... -
Landslide displacement prediction based on wavelet transform and long short-term memory neural network
Yang, Beibei; Liu, Zhongqiang; Lacasse, Suzanne; Nadim, Farrokh (Chapter, 2019)The prediction of landslide displacement is a key component of an early warning system to mitigate landslide risk. Most of the models for landslide displacement prediction are static models. Yet, landslides move dynamically. ... -
Leak-Off Pressure Using Weakly Correlated Geospatial Information and Machine Learning Algorithms
Choi, Jung Chan; Liu, Zhongqiang; Lacasse, Suzanne; Skurtveit, Elin (Peer reviewed; Journal article, 2021) -
Model calibration: A hierarchical Bayesian approach
Bozorgzadeh, Nezam; Liu, Zhongqiang; Nadim, Farrokh; Lacasse, Suzanne (Peer reviewed; Journal article, 2022) -
Modelling of mobility of Rissa landslide and following tsunami
Liu, Zhongqiang; L Heureux, Jean-Sebastien; Glimsdal, Sylfest; Lacasse, Suzanne (Peer reviewed; Journal article, 2021) -
Modelling of shallow landslides with Machine Learning algorithms
Liu, Zhongqiang; Gilbert, Graham Lewis; Cepeda, Rivera Jose Mauricio; Lysdahl, Asgeir Olaf Kydland; Piciullo, Luca; Haugland, Heidi Hefre; Lacasse, Suzanne (Peer reviewed; Journal article, 2020)This paper introduces three machine learning (ML) algorithms, the 'ensemble' Random Forest (RF), the 'ensemble' Gradient Boosted Regression Tree (GBRT) and the MultiLayer Perceptron neural network (MLP) and applies them ... -
New CPT methods for evaluation of the axial capacity of driven piles
Lehane, B.M.; Bittar, E.; Lacasse, Suzanne; Liu, Zhongqiang; Nadim, Farrokh (Chapter, 2022)High costs associated with offshore foundation installations have provided strong impetus to the offshore energy sector in the search for more reliable design methods. This paper provides a summary of an Industry sponsored ... -
Quantitative evaluation of geological uncertainty and its influence on tunnel structural performance using improved coupled Markov chain
Zhang, Jin-Zhang; Huang, Hong-Wei; Zhang, Dong-Ming; Phoon, Kok Kwang; Liu, Zhongqiang; Tang, Chong (Peer reviewed; Journal article, 2021) -
Reinforcement learning based process optimization and strategy development in conventional tunneling
Erharter, Georg H.; Hansen, Tom Frode; Liu, Zhongqiang; Marcher, Thomas (Peer reviewed; Journal article, 2021) -
Reliability of API and ISO Guidelines for Bearing Capacity of Offshore Shallow Foundations
Liu, Zhongqiang; Lacasse, Suzanne; Farrokh, Nadim; Gilbert, Robert B (Chapter, 2015) -
Risk assessment and dams – Recent developments and applications
Lacasse, Suzanne; Nadim, Farrokh; Liu, Zhongqiang; Eidsvig, Unni; Le, Thi Minh Hue; Lin, C.G. (Chapter, 2019)Increasingly, society and standards require "risk-informed" decisions. The paper demonstrates the benefits of implementing reliability and risk concepts in dam engineering as a complement to conventional deterministic ...