Results 1 to 10 of about 4,426,015 (295)

Machine Learning-Based Measurement and Prediction of Ground Settlement Induced by Shield Tunneling Undercrossing Existing Tunnels in Composite Strata [PDF]

Sensors
To address the issue of insufficient accuracy in traditional settlement prediction methods for shield tunneling undercrossing in composite strata in Hangzhou, this paper proposes a particle swarm optimization (PSO)-based Bidirectional Long Short-Term ...
Mei Dong, Mingzhe Guan, Kuihua Wang, Yeyao Wu, Yuhan Fu   +4 more
doaj   +3 more sources

Ground settlement and tunnel response due to twin-curved shield tunnelling in soft ground with small clear distance

Journal of Rock Mechanics and Geotechnical Engineering
Twin curved tunnels are often encountered in shield tunnelling, where significant complexities in densely exploited underground space are observed. In this study, the ground settlement and tunnel deformation due to twin-curved shield tunnelling in soft ...
Yao Hu, Haoran Tang, Yinggang Xu, Huayang Lei, Peng Zeng, Kai Yao, Yabo Dong   +6 more
doaj   +4 more sources

Tunnelling Induced ground settlement considering soil variability [PDF]

International Journal of Mining and Geo-Engineering, 2023
Ground settlement need to be predicted well so that necessary precautionary measures could be adopted. Ground deformation behavior due to tunnel construction in inhomogeneous soil has been studied in the past few decades by many researchers.
Gouri Krishna, V B Maji
doaj   +3 more sources

Ground settlement prediction for highway subgrades with sparse data using regression Kriging. [PDF]

Sci Rep
Ground settlement prediction for highway subgrades is crucial in related engineering projects. When predicting the ground settlement, sparse sample data are often encountered in practice, which greatly affects the prediction accuracy.
Huang L, Qin W, Dai GL, Zhu MX, Liu LL, Huang LJ, Yang SP, Ge MM.   +7 more
europepmc   +2 more sources

Numerical Analysis of Ground Settlement Patterns Resulting from Tunnel Excavation in Composite Strata

Applied Sciences, 2022
Cross-river twin tunnels are prone to deformation and uneven settlement of the surrounding soil due to the complexity of the strata crossed, which has a negative impact on the tunnel structure.
Huijuan Deng, Ping Cao, Yinzhu Liu, Zhizhen Liu, Gang Meng, Zhi Fan, Weiping Xie   +6 more
doaj   +2 more sources

A Novel Simplified Physical Model Testing Method for Ground Settlement Induced by Shield Tunnel Excavation

Buildings
In order to investigate the mechanism of ground settlement induced by shield tunnels better, this study proposes a novel simplified physical model testing method.
Hanzhang Guo, Guangcheng Zhang, Xiongyao Mao, Jianhang Zan   +3 more
doaj   +2 more sources

Analytical solutions of ground settlement induced by yaw in a space curved shield tunnel

Underground Space, 2023
This paper aims to provide the analytical solutions of the ground settlement for a space curved shield tunnel in the case of yaw construction. Settlement inducements include ground loss and construction loads, and two corresponding analytical models have
Jiannan Xie, Pengfei Li, Mingju Zhang, Fei Jia, Shaohua Li   +4 more
doaj   +3 more sources

Investigating and modelling ground settlement response to groundwater dynamic variation in parts of Lagos using space-based retrievals

Solid Earth Sciences, 2021
Ground settlement has impacted many infrastructures in Lagos. Rapid urbanisation has further compounded this problem. Monitoring and modelling of ground settlement will provide actionable information that can help to mitigate this problem. In this study,
Femi Emmanuel Ikuemonisan, Vitalis Chidi Ozebo, Olawale Babatunde Olatinsu   +2 more
doaj   +2 more sources

Centrifuge modeling of tunneling-induced ground surface settlement in sand

Underground Space, 2019
Stress changes in the soil induced by tunnel excavation may cause excessive ground settlement. However, high-quality experimental data on ground settlement due to tunnel excavation are limited. In this study, centrifuge tests are conducted to investigate
Hu Lu, Jiangwei Shi, Yu Wang, Rong Wang
doaj   +3 more sources

ANN-Based Dynamic Prediction of Daily Ground Settlement of Foundation Pit Considering Time-Dependent Influence Factors

Applied Sciences, 2022
Accurately and dynamically predicting ground settlements during the construction of foundation pits is pivotal to the understanding of the potential risk of foundation pits and, therefore, enables constructors to take timely and effective actions to ...
Zhenyu Zhang, Rongqiao Xu, Xi Wu, Jinchang Wang   +3 more
doaj   +2 more sources