Results 11 to 20 of about 2,442 (257)

Intelligent tunnelling robot system for deep-buried long tunnels

open access: yesFrontiers in Earth Science, 2023
Existing tunnel boring machine (TBM) construction presents certain shortcomings. These include difficulty in comprehensive perception of information, poor timelines of information transmission and storage systems, significant effects of traditional data processing methods on the timeless of intelligent decision-making, and poor applicability of ...
Qinglong Zhang   +8 more
openaire   +2 more sources

Analytical Solutions of Steady a Seepage Field for Deep-Buried Tunnel with Grouting Ring Considering Anisotropic Flow

open access: yesJournal of Marine Science and Engineering, 2022
Difficulties related to seepage are frequently encountered in tunnel design and construction, especially in deep-buried tunnels. Nowadays, analytical solutions of steady seepage fields for deep-buried tunnel usually assume that the surrounding rock mass ...
Qizhi Chen   +5 more
doaj   +1 more source

Efficiency investigation of mitigation effect of isolation piles on tunneling-induced ground settlements

open access: yesShenzhen Daxue xuebao. Ligong ban, 2022
In order to study the control efficiency of isolation pile on the settlement of the surface and deep soil, we analyze the implementation method of simulated isolation pile in Plaxis2d, and establish the finite element model of the tunnel and isolation ...
ZHENG Zhenji   +3 more
doaj   +1 more source

Study of Mechanical Response of Tunnels Crossing Active Faults in Different Burial Depths

open access: yesBuildings, 2023
There are numerous tunnels worldwide that cross active fault zones. These tunnels are situated in complex geological environments and are subjected to intense seismic activities. When active fault zones experience displacement, tunnels are susceptible to
Jiawei Zhang, Wanhua Zhao, Zhen Cui
doaj   +1 more source

Construction Method of Deep - Buried Long - Length Tunnel

open access: yesIOP Conference Series: Earth and Environmental Science, 2020
Abstract Grew up to solve the deep buried tunnels in the process of large diameter TBM excavation overexcavation problems and obstacles in a complex geological environment problems such as TBM, through the combination of drilling and blasting method and TBM at home and abroad were elaborated the expansion digging method of construction ...
Ping Li   +5 more
openaire   +1 more source

Sensitivity Analysis of Factors Affecting the Stability of Deep Buried Tunnel

open access: yesSustainability, 2022
The excavation of deep tunnels has significant spatial and temporal effects on the stress distribution of the surrounding rock. Accurately describing the distribution characteristics of the surrounding rock stress state is a key issue in analyzing the failure mechanism of the surrounding rock. Based on the numerical analysis, a study on the influencing
Yue Jiang, Wendong Zou
openaire   +1 more source

Research on Prediction of TBM Performance of Deep-Buried Tunnel Based on Machine Learning

open access: yesApplied Sciences, 2022
Based on the relevant data in the construction process of the south of the Qinling tunnel of the Hanjiang-to-Weihe River Diversion Project, this article obtains the main influencing factors of the tunnel boring machine (TBM) performance of the deep ...
Tianhui Ma   +3 more
doaj   +1 more source

Stress and Displacement of Deep‐Buried Composite Lining Tunnel under Different Contact Conditions

open access: yesMathematical Problems in Engineering, 2023
Stress and displacement of the composite lining are important factors to be considered during tunnel design. By the complex variable method, analytical solutions for stress and displacement of surrounding rock, primary support and secondary lining satisfying the interface continuity and boundary conditions under far‐field stresses are derived.
Shuhong Liu   +3 more
openaire   +1 more source

Risk Analysis of Harmful Gas in Deep Buried Long Tunnel Construction [PDF]

open access: yesProceedings of the International Conference on Advances in Energy, Environment and Chemical Engineering, 2015
The emergence of harmful gas will bring serious difficulties to the tunnel construction, improper handling can easily lead to accidents. In order to evaluate the possibility of harmful gas in the tunnel, the basic characteristics of harmful gas in tunnel are analyzed from three aspects, that is spatial distribution, inflammable and explosive property ...
Caihong Jia, Yanxi Zhao
openaire   +1 more source

Identification of the karst water flow system and its application in the tunnel line selection of water diversion projects

open access: yes地质科技通报, 2022
A critical water diversion project may face serious water inrush problems during tunnel construction when it crosses the carbonate rock formations of Julongshan syncline.Characteristics of karst water flow system in Julongshan syncline were identified by
Huiming Yan   +4 more
doaj   +1 more source

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