Results 11 to 20 of about 207,008 (281)

Design Improvement of Cutting Part in Tunneling Shield [PDF]

MATEC Web of Conferences, 2021
The article presents a variant for improving the design of a working body of a tunneling shield, its cutting part to be more precise. The working body of the tunneling shield has been improved with the changes in the design of a rotor working surface ...
Letopolsky Anton, Korchagin Pavel, Teterina Irina   +2 more
doaj   +2 more sources

Muck Problems in Subway Shield Tunneling in Sandy Cobble Stratum [PDF]

Polish Maritime Research, 2016
Experiments aiming at the muck improvement for Chengdu’s subway shield tunneling in water-rich sandy cobble ground initially finds out the kinds and ratio of muck improver suitable for the this strata, and through the field application determines the ...
Cui Kai, Lin Weikang
doaj   +2 more sources

Prediction and Parameter Optimization of Surface Settlement Induced by Shield Tunneling Using Improved Informer Algorithm

Applied Sciences
Given the complex mechanism of surface settlement induced by shield tunneling, accurate prediction of surface settlement and rational design of tunneling parameters are critical for ensuring safe and efficient tunneling operations.
Shisen Zhao, Xianda Feng, Kefeng Peng
doaj   +2 more sources

Synchronous Grouting Analysis of Shield Tunneling through High Water Pressure Fault Fracture Zone

Applied Sciences, 2023
Using numerical software to establish a three-dimensional geological model of shield tunneling through fault fracture zones, considering the synchronous grouting effect at the shield tail, the disturbance of various geotechnical structures in the fault ...
Yi Zeng, Shun Wang, Xiaolong Zhang, Miaotong Luo, Junzhou Zhu, Yuewei Bian, Chenjie Gong, Yanbin Fu, Qi Lv, Ning Liang, Zhengyi Yu   +10 more
doaj   +2 more sources

Intelligent Analysis of Construction Costs of Shield Tunneling in Complex Geological Conditions by Machine Learning Method

Mathematics, 2023
The estimation of construction costs for shield tunneling projects is typically based on a standard quota, which fails to consider the variation of geological parameters and often results in significant differences in unit cost. To address this issue, we
Xiaomu Ye, Pengfei Ding, Dawei Jin, Chuanyue Zhou, Yi Li, Jin Zhang   +5 more
doaj   +2 more sources

Surface Settlement Analysis Induced by Shield Tunneling Construction in the Loess Region

Advances in Materials Science and Engineering, 2021
The influence and prediction of shield tunneling construction on surface settlement (SS) and adjacent buildings is a hot topic in underground space engineering.
Caihui Zhu
doaj   +2 more sources

Research and implementation of eco-grouting material derived from shield tunneling muck

Case Studies in Construction Materials
During shield tunneling construction, a significant amount of waste muck is generated, presenting challenges due to its high volume, complex composition, and difficult disposal.
Wei Wang, Ningning Wang, Yijun Bao, Quanfeng Wang, Xiaodi Chang, Fei Sha, Xudong Chen   +6 more
doaj   +2 more sources

Rule-Constrained Multi-Objective Optimization of Operating Parameters in Slurry Shield Tunneling

Buildings
Decision-making during shield tunneling remains challenging due to complex shield–ground interactions, and experience-driven adjustments to shield operating parameters often fail to balance tunneling efficiency and energy consumption. For this purpose, a
Qian Cao, Hengji Li, Yangkai Gong, Guodong Wu, Yi Xu, Liwei Tian   +5 more
doaj   +2 more sources

Analysis of Shield Tunneling Parameters and Research on Prediction Model of Tunneling Excavation Speed in Volcanic Ash Strata of Jakarta–Bandung High-Speed Railway Project

Applied Sciences
Insufficient investigations have been conducted on the analysis of shield tunneling parameters and the prediction of the tunneling excavation speed in formations composed of volcanic ash strata.
Xiaomin Fan, Zhongsheng Tan, Baojin Zhang, Jinpeng Zhao, Yuxin Cao, Yongtao Jiang   +5 more
doaj   +2 more sources

Anomaly Detection and Identification Method for Shield Tunneling Based on Energy Consumption Perspective

Applied Sciences
Various abnormal scenarios might occur during the shield tunneling process, which have an impact on construction efficiency and safety. Existing research on shield tunneling construction anomaly detection typically designs models based on the ...
Min Hu, Fan Zhang, Huiming Wu
doaj   +2 more sources