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Article
Computer Science, Interdisciplinary Applications
Zhaofei Chu et al.
Summary: This paper presents a time-dependent solution for circular tunnels excavated in soft rock under high in situ stress. The solution takes into account both the process of longitudinal excavation and the sequential installation of elastic linings. By dividing the solution into two stages and considering the rheological properties of the rock, explicit expressions for tunnel convergences and support loads are derived. The proposed solution is validated through comparison with numerical results and previous solutions, and parametric studies are conducted to analyze the effects of different stages and solutions.
COMPUTERS AND GEOTECHNICS
(2024)
Article
Computer Science, Artificial Intelligence
Zhigang Sun et al.
Summary: In this paper, an improved random forest algorithm based on the classification accuracy and correlation measurement of decision trees is proposed. The algorithm retains decision trees with better classification effects and reduces the correlations between decision trees to improve the performance of the random forest. Experimental results demonstrate that the proposed improved random forest achieves higher average classification accuracy and outperforms traditional random forests in terms of G-means and other metrics.
EXPERT SYSTEMS WITH APPLICATIONS
(2024)
Article
Environmental Sciences
Subhasis Giri et al.
Summary: Exposure to arsenic through private drinking water wells poses serious health risks globally. Data shows contamination in New Jersey wells, calling for the identification of arsenic sources. Machine learning algorithms were used to analyze factors contributing to higher arsenic concentration, finding bedrock, soil, land use/cover, and drainage type as most important. The models also identified specific bedrock subgroups causing significant increases in arsenic concentration. This fine-scale identification promotes targeted outreach and mitigation strategies to safeguard water quality and human health.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Construction & Building Technology
Shiqin Tu et al.
Summary: This article improves a 3D rotating rigid body collapse mechanism based on limit analysis using discretization technique, in order to evaluate the stability of tunnel face when shield tunnel is excavated along inclined layered soil. The results show that the existence of inclined stratum results in asymmetric failure mechanism of tunnel face and variation of active failure pressure.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2023)
Article
Computer Science, Interdisciplinary Applications
Dong Su et al.
Summary: This paper investigates the failure mechanism of tunnel faces in reinforced soft soil through finite-element analysis, focusing on the influence of the distance between the tunnel face and the cement wall. The limit support pressure and failure zone of the soil in front of the tunnel face are determined for different values of the face-wall distance. Three types of failure modes are identified based on the shear strain development, and analytical expressions for calculating the limit support pressure are derived. The proposed collapse models accurately reflect the impact of the face-wall distance on the stability of tunnel faces in soft clay reinforced with soil-cement wall.
COMPUTERS AND GEOTECHNICS
(2023)
Review
Construction & Building Technology
Cheng Zhou et al.
Summary: This paper presents a comprehensive survey on the application of deep learning models in shield tunneling, including data types, pre-processing approaches, and specific application scenarios. It also analyzes the explainability and generalizability of the models and proposes research challenges. Potential solutions such as federated learning, model-based deep learning, and semi-supervised learning are recommended for future research.
AUTOMATION IN CONSTRUCTION
(2023)
Article
Engineering, Geological
Xiang Shen et al.
Summary: The present study proposes a new model combining wavelet transform and random forest deep learning method for predicting the attitude of a shield in small radius of curvature conditions. By selecting Daubechies wavelet as the denoising basis for tunneling parameters and obtaining optimal wavelet parameters for different input variables in time and frequency domains, the developed wavelet signal denoiser-RF model can successfully predict the shield attitude parameters. The suitable combination of input parameters greatly improves the prediction accuracy of the model. The rating of the article is 8 out of 10.
Article
Engineering, Civil
Panpan Cheng et al.
Summary: This study proposes a procedure for regulating the earth pressure on the bulkhead of earth-pressure balanced (EPB) shield tunneling machines by combining numerical simulations and data mining. It applies the procedure to a metro line constructed in sandy pebble stratum using EPB shield. Results show that the consideration of the arching effect can avoid overestimating the bulkhead pressure, and the combination of a machine learning model and a stochastic process model provides a plausible performance in regulating the bulkhead pressure around the target value without dramatic fluctuation.
Article
Ecology
Chenguang Xiang et al.
Summary: By utilizing integrated hydrodynamic, habitat, and risk modeling methods, this study assessed the impact of large-scale water diversion projects on fish habitats, showing how river flow regulation affects ecological risks over time. The research results can serve as a basis for the optimal allocation of water resources to meet environmental flow requirements.
ECOLOGICAL ENGINEERING
(2022)
Article
Construction & Building Technology
Shaokun Ma et al.
Summary: The study investigates the response of tunnel excavation faces under different soil conditions through physical modeling tests and image analysis. The failure mode of the excavation face depends on the different soil conditions and buried depths, providing guidance for design and construction.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2022)
Article
Engineering, Geological
Shui-Long Shen et al.
Summary: This paper presents a novel deep learning model, WT-Adam-LSTM, for real-time prediction of shield moving trajectory during tunnelling. The model combines wavelet transform and Adam-optimised LSTM to remove noise and extract sequence patterns. It considers various factors such as shield performance database, complex geological conditions, soil geometry, and operational parameters. A case study was conducted to verify its performance and it outperformed other models like recurrent neural network, LSTM, and support vector regression.
Article
Engineering, Geological
Wei Li et al.
Summary: This paper proposes an improved mechanism for simulating soil movement at tunnel face. The characteristics of velocity distribution are investigated through numerical simulations, and a new kinematically admissible velocity field is proposed based on the simulation results. An improved failure mechanism is constructed using spatial discretization technique, considering soil arching effect and plastic deformation. The accuracy and improvement of the presented method are verified through comparison with numerical simulations, existing analytical studies, and experimental tests.
JOURNAL OF ROCK MECHANICS AND GEOTECHNICAL ENGINEERING
(2022)
Review
Computer Science, Interdisciplinary Applications
Pin Zhang et al.
Summary: This study comprehensively reviewed the application of machine learning algorithms in modelling soil properties for geotechnical design and proposed a new ranking index for model comparison and selection. Six representative algorithms were chosen to build a tool that can easily construct ML models. Automatic determination of optimal configurations of ML algorithms was achieved through evaluating model accuracy, applying the developed ML model to new data, and investigating relationships between input variables and soil properties.
ARCHIVES OF COMPUTATIONAL METHODS IN ENGINEERING
(2022)
Article
Computer Science, Interdisciplinary Applications
Yanbin Fu et al.
Summary: This study investigates the effect of seepage on the failure mechanism and stability of underwater tunnel faces using the Computational Fluid Dynamics-Discrete Element Method (CFD-DEM). The results show that seepage significantly affects the failure mechanism and support pressure. Comparison with previous literature suggests that tunnel face permeability is the key factor causing differences in support pressure under different hydraulic conditions. Additionally, the study analyzes failure mechanisms under different water depths and presents microscopic contact information under seepage conditions.
COMPUTERS AND GEOTECHNICS
(2022)
Article
Engineering, Mechanical
Xiang Shen et al.
Summary: This study analyzed disc cutter wear data and replacement records from a water conveyance tunnel project in Guangdong, China. It found that the wear rate of edge tools is much lower than that of center tools, which led to the development of a new disc cutter wear prediction model. The proposed model showed higher accuracy in predicting both cutter wear and change range compared to existing models.
Article
Engineering, Marine
Qiguang Di et al.
Summary: In this study, a new model based on the three-dimensional hydraulic head distribution model and the upper bound theorem of the limit analysis was established to calculate the limit support pressure in shield tunnel faces. The accuracy of the proposed model was evaluated through numerical simulations and compared with other analytical methods. The results showed that the proposed method outperforms other methods in terms of accuracy, and the influence of water level, internal friction angle, burial depth, and water pressure on tunnel face stability was analyzed.
Article
Construction & Building Technology
Wei-Qiang Xie et al.
Summary: With the rapid development of transportation, water conservancy, and energy exploitation, more tunnels are being excavated by tunnel boring machines (TBMs). It is crucial to provide proper in-situ methods for TBM dismantling in long-distance and deep-buried tunnels. This study explores potential in-situ methods for TBM dismantling based on a water conveyance project in Xinjiang province, China, and recommends the optimal in-situ method.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2022)
Article
Construction & Building Technology
Changxin Liu et al.
Summary: In this study, we established a ventilation mathematical model considering the influence of harmful gases released by rotten mussels and validated it through experimental data. The results showed that NH3 is the main component in harmful gases released by rotten mussels, and the ventilation mode of alternately delivered and discharged airflow between adjacent working shafts is the best option for long-distance tunnels with multiple working shafts.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2022)
Article
Computer Science, Interdisciplinary Applications
Kaihang Han et al.
Summary: A new three-dimensional limit equilibrium model is proposed to address the issue of tunnel face stability traversing the fault fracture zone with high hydraulic pressure, taking into account the influence of geological interface. By modifying the existing formula and conducting comparisons with numerical simulations, the proposed trapezoid-prism model shows promising predictive results.
COMPUTERS AND GEOTECHNICS
(2021)
Article
Engineering, Geological
Fei Liu et al.
Summary: The study focused on rockburst hazards in the Qinling water conveyance tunnel, utilizing microseismic monitoring techniques to predict and manage rockbursts. Through analyzing the spatial distribution and energy release of microseismic events associated with rockbursts, successful predictions of rockburst occurrence and location were made in the deep tunnel project. This research provides valuable insights into rockburst control in similar hard-rock excavation projects.
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
(2021)
Article
Construction & Building Technology
Dalong Jin et al.
Summary: This study conducted three-dimensional numerical analyses of shield tunnel face stability using the DEM method. The results showed that the cutterhead of the shield machine plays a significant role in face stability, with differences observed between static and dynamic cutterheads in the failure mechanism. The soil cover depth has a negligible impact on limit support pressure but significantly influences the extent of the failure zone.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2021)
Article
Construction & Building Technology
Fanjie Yang et al.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2020)
Article
Construction & Building Technology
Pin Zhang et al.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2020)
Article
Construction & Building Technology
Xianjie Gao et al.
AUTOMATION IN CONSTRUCTION
(2019)
Article
Engineering, Civil
Renpeng Chen et al.
FRONTIERS OF STRUCTURAL AND CIVIL ENGINEERING
(2019)
Article
Construction & Building Technology
Li Zhang et al.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2019)
Article
Construction & Building Technology
Renpeng Chen et al.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2018)
Article
Engineering, Geological
Qi Zhang et al.
ENGINEERING GEOLOGY
(2018)
Review
Engineering, Multidisciplinary
Jinsheng Jia
Review
Engineering, Geological
Qihu Qian et al.
JOURNAL OF ROCK MECHANICS AND GEOTECHNICAL ENGINEERING
(2016)
Article
Construction & Building Technology
Cheng Shao et al.
AUTOMATION IN CONSTRUCTION
(2014)
Article
Construction & Building Technology
P. Perazzelli et al.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2014)
Article
Construction & Building Technology
Nicolas Berthoz et al.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2012)
Article
Construction & Building Technology
Mahmoud Ahmed et al.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2012)
Article
Computer Science, Interdisciplinary Applications
R. P. Chen et al.
COMPUTERS AND GEOTECHNICS
(2011)
Article
Engineering, Geological
Guilhem Mollon et al.
INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICS
(2011)
Article
Engineering, Geological
Guilhem Mollon et al.
JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING
(2010)
Article
Engineering, Geological
Guilhem Mollon et al.
International Journal of Geomechanics
(2009)
