Results 11 to 20 of about 466,206 (228)

Introducing the STAMP method in road tunnel safety assessment [PDF]

open access: yes, 2012
After the tremendous accidents in European road tunnels over the past decade, many risk assessment methods have been proposed worldwide, most of them based on Quantitative Risk Assessment (QRA).
Kazaras, Konstantinos   +2 more
core   +4 more sources

Research on the Design of Disaster Prevention Plan for 22km Ultra-long Highway Tunnel with Multiple Intersections [PDF]

open access: yesE3S Web of Conferences, 2021
The Tianshan Shengli Tunnel is currently the longest high-altitude highway tunnel. In order to ensure the safe operation of the tunnel, the SES software is used to investigate the wind speed laws in the tunnel, and the tunnel is divided into 16 disaster ...
Zhang Xuan, Li Xuefeng, Liu Xialin
doaj   +1 more source

CO<sub>2</sub> and N<sub>2</sub>O Emissions From Vehicles in Seoul Megacity, South Korea: Insights From Mixing Ratio and Stable Isotope Ratios. [PDF]

open access: yesRapid Commun Mass Spectrom
ABSTRACT Rationale Vehicular traffic is a major source of anthropogenic greenhouse gases in megacities; however, real‐world constraints on vehicle‐derived N2O emissions and their isotopic characteristics remain limited. Methods Air samples were collected from three tunnels and urban background sites (a university campus and mountain) in Seoul, South ...
Kim J   +7 more
europepmc   +2 more sources

Study on Application of TiO2 Photocatalytic Materials in Purification of Highway Tunnel Tail Gas [PDF]

open access: yesE3S Web of Conferences, 2021
In recent years, with the continuous expansion of the scale of highway tunnels in China, the problem of tail gas pollution in highway tunnels has become increasingly prominent.
Liu Zhiqiang, Jiang Haifeng, Yuan Minmin
doaj   +1 more source

Study on Identification of Construction Method for Ultra-Large-Span Tunnel

open access: yesAdvances in Civil Engineering, 2020
Although the determination of tunnel construction methods is extremely critical for the construction of ultra-large-span tunnels, the determination of construction methods is still at a qualitative level, which relies on the engineering experience of on ...
Xu Chongbang, Qin Youlin
doaj   +1 more source

Advanced perception and control method of harmful gas during construction period of coal tunnel based on DeepAR

open access: yesFrontiers in Earth Science, 2023
Effective real-time treatment and control of harmful gases are key to ensuring the safety of tunnel construction workers. Currently, the monitoring ability of harmful gases is insufficient to match the processing needs, which poses significant risks to ...
Shengye Cao   +6 more
doaj   +1 more source

Tunnel Facility Based Vehicle Localization in Highway Tunnel Using 3D LIDAR

open access: yesIEEE Transactions on Intelligent Transportation Systems, 2022
16 pages, 25 ...
Kyu-Won Kim, Junhyuck Im, Gyu-In Jee
openaire   +3 more sources

Study on Energy-saving Lighting Design Method for Interior Zone of High-altitude Highway Tunnel [PDF]

open access: yesE3S Web of Conferences, 2020
In order to ensure the driving safety of high-altitude highway tunnel and effectively reduce the lighting cost, this paper adopts the method considering the influence of automobile headlights luminance which combines reaction time incremental theory at ...
Li Qi   +6 more
doaj   +1 more source

Discussion On The Optimization of Circumferential Distance Of The System Bolt In A Highway Tunnel [PDF]

open access: yesE3S Web of Conferences, 2021
The setting of circumferential distance of system anchor rod in highway tunnel is related to the safety of tunnel structure, and also affects the project cost.
Wang Kun, Yu Shun, Pan Yong, Wang Lushi
doaj   +1 more source

Prediction of Landslide Position of Loose Rock Mass at Mountain Tunnel Exit

open access: yesAdvances in Civil Engineering, 2019
Landslide of loose rock mass at mountain tunnel exit occurs easily, and prediction of landslide position is one of the engineering problems to be solved urgently.
Ya-Qiong Wang   +2 more
doaj   +1 more source

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