Wind-induced pressure at a tunnel portal
Sign Up to like & getrecommendations! Published in 2018 at "Environmental Fluid Mechanics"
DOI: 10.1007/s10652-018-9589-5
Abstract: In order to properly size the mechanical ventilation system of a tunnel, it is essential to estimate the wind-driven pressure difference that might rise between its two portals. In this respect, we explore here the… read more here.
Keywords: tunnel portal; wind direction; tunnel; experimental data ... See more keywords
Performance of Super-Large-Span Tunnel Portal Excavated by Upper Bench CD Method Based on Field Monitoring and Numerical Modeling
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Civil Engineering"
DOI: 10.1155/2020/8824618
Abstract: The number of super-large-span tunnels is increasing in both new construction and reconstruction projects in China recently. In super-large-span tunneling engineering, the deformation properties and mechanical behaviors of tunnel portal structure are more complex than… read more here.
Keywords: span; tunnel portal; upper bench; large span ... See more keywords
Attribute recognition model and its application of risk assessment for slope stability at tunnel portal
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Vibroengineering"
DOI: 10.21595/jve.2017.17869
Abstract: Due to large span and complex construction technology, the portal section of tunnel is vulnerable to the threats of latent slope failures such as landslide, spalling and collapse. In the present paper, to ensure the… read more here.
Keywords: slope; risk; tunnel portal; tunnel ... See more keywords
Analysis of Loose Surrounding Rock Deformation and Slope Stability at Shallow Double-Track Tunnel Portal: A Case Study
Sign Up to like & getrecommendations! Published in 2023 at "Applied Sciences"
DOI: 10.3390/app13085024
Abstract: A low-clearance tunnel portal in the shallow-buried, joint-developed, broken, and loose surrounding rock slope deposit may cause safety issues during construction. In this study, the Guanyin Mountain Tunnel of the Chong-Ai expressway was taken as… read more here.
Keywords: rock; deformation; slope; surrounding rock ... See more keywords