Key Techniques for the Construction of High-Speed Railway Large-Section Loess Tunnels
Sign Up to like & getrecommendations! Published in 2018 at "Engineering"
DOI: 10.1016/j.eng.2017.07.003
Abstract: Abstract The successful completion of the Zhengzhou–Xi’an high-speed railway project has greatly improved the construction level of China’s large-section loess tunnels, and has resulted in significant progress being made in both design theory and construction… read more here.
Keywords: construction; large section; loess tunnels; loess ... See more keywords
The seismic responses and seismic properties of large section mountain tunnel based on shaking table tests
Sign Up to like & getrecommendations! Published in 2019 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2019.05.017
Abstract: Abstract Based on the engineering prototype of new Jinjishan Tunnel in Fuzhou 2nd ring road, the 1/30 downscale ground-lining model was fabricated. Then the earthquake-simulating tests were carried out on the shaking table apparatus to… read more here.
Keywords: tunnel; ground; large section; shaking table ... See more keywords
Failure Mechanism and Control Technology for a Large-Section Roadway under Weakly Cemented Formation Condition
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DOI: 10.1155/2020/6669060
Abstract: The roof of a large-section roadway will usually undergo progressive deformation and failure under the action of deep surrounding rock stress. The large-section rectangular roadway is more prone to sudden roof caving accident under the… read more here.
Keywords: section roadway; weakly cemented; large section; roadway ... See more keywords
Stability Analysis and Protection Measures of Large Section Tunnel in Coal Rich Weak Rock Stratum
Sign Up to like & getrecommendations! Published in 2021 at "Geofluids"
DOI: 10.1155/2021/9394145
Abstract: Due to poor engineering geological conditions of Liujiazhuang tunnel on Shanghai-Kunming Passenger Dedicated Line, the large deformation of weak rock occurs repeatedly during tunnel construction. In this paper, the large-scale finite element software ABAQUS is… read more here.
Keywords: large section; tunnel; weak rock; coal ... See more keywords
Design of Support Parameters of Large‐Section Open‐Off Cut and Its Dynamic Mining Response Characteristics
Sign Up to like & getrecommendations! Published in 2024 at "Shock and Vibration"
DOI: 10.1155/vib/5985318
Abstract: The open‐off cut is an important place in coal mining. It is mainly used to install the relevant equipment of the working face and start mining from here. Its stability and safety play a very… read more here.
Keywords: open cut; section open; mining; cut ... See more keywords
Evaluation of construction impacts and optimization of control measures for large-section metro tunnels overpassing existing tunnels
Sign Up to like & getrecommendations! Published in 2025 at "Thermal Science"
DOI: 10.2298/tsci2502417c
Abstract: The development of urban rail transit has led to an increase in the number of large section subway tunnels crossing existing tunnels. This study combines the actual engineering of the Yanggongqiao Station Longzhuayan Station section… read more here.
Keywords: section; existing tunnels; evaluation construction; large section ... See more keywords
Displacement Characteristics of Shallow-Buried Large-Section Loess Tunnel with Different Types of Pre-Supports: A Case Study of New Badaling Tunnel
Sign Up to like & getrecommendations! Published in 2019 at "Applied Sciences"
DOI: 10.3390/app10010195
Abstract: Three-bench seven-step excavation method (TSEM) has been widely used in large-section loess tunnels for high-speed railway in China. As the most commonly applied pre-supports, pipe roofs and leading ductules are broadly used in the ground… read more here.
Keywords: pre supports; displacement characteristics; large section; tunnel ... See more keywords
Optimization of Ventilation Performance in Large-Section Highway Tunnels: The Role of Deflector Shields in Jet Fan Systems
Sign Up to like & getrecommendations! Published in 2025 at "Buildings"
DOI: 10.3390/buildings15162859
Abstract: The jet fan system is a widely adopted form of longitudinal ventilation due to its cost-effectiveness, operational flexibility, and high reliability. However, in large-section highway tunnels with a low height-to-span ratio, the limited clearance between… read more here.
Keywords: fan; deflector; jet fan; large section ... See more keywords