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
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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
Displacement Characteristics of Shallow-Buried Large-Section Loess Tunnel with Different Types of Pre-Supports: A Case Study of New Badaling Tunnel
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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