Metro Station Safety Status Prediction Based on GA-SVR

The paper deals with the identification of protected assets in the model metro station, which is a part of critical infrastructure in Praha; and with the identification of their criticality. A metro station is used by a lot of people and it involves many expensive components and devices with interdependences which form a system of systems. The system, its components and fittings are very vulnerable to damages from disasters of many kinds. The first step of ensuring metro station safety is the identification of basic metro assets which are important for safe metro operation and for human (employee and passengers) security and environment safety; and the other is determination of criticalities of considered assets with taking into account all relevant sources of hazards. These facts are input data for further processes which are important for safe metro operation under the different conditions.

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The Reconstruction Project of Illumination Devices at the Krasnoselskaya Station of the Moscow Metro

Light & Engineering ◽

10.33383/2018-060 ◽

2019 ◽

pp. 59-66

Author(s):

Ksenia I. Nechaeva

Keyword(s):

Cultural Heritage ◽

Historical Analysis ◽

Metro Station ◽

Heritage Sites ◽

Passenger Transportation ◽

Fluorescent Lamps ◽

Current State ◽

Heritage Site ◽

Lighting Environment ◽

Incandescent Lamps

The current state of the Moscow Metro station of the first priority that became operational in 1935 does not allow it to be called a cultural heritage site. This is due to the fact that lighting modernisation carried out by the Moscow Metro was based on fluorescent lamps. Such lamps are more energy efficient compared to incandescent lamps, which were used in original lighting devices specified in the Station Lighting Project developed by architects and designers. However, they significantly changed the station appearance, transforming the originally designed station with entire well visible architectural tectonics?1 from the standpoint of lighting into a simple, flat, unremarkable, and little loaded station of the Moscow Metro./br> This paper describes a method of lighting reconstruction at Krasnoselskaya station by means of original lighting devices that meet modern standards and requirements for cultural heritage sites. The historical analysis on the development of the station lighting environment was conducted during its operation in order to understand what kind of station was conceived by its architects, what changes occurred with its lighting over time, and how it influenced the station appearance and safety of passenger transportation.

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Simulating the effects of redesigned street-scale built environments on access/egress pedestrian flows to metro stations

Computational Urban Science ◽

10.1007/s43762-021-00004-z ◽

2021 ◽

Vol 1 (1) ◽

Author(s):

Yanan Liu ◽

Dujuan Yang ◽

Harry J. P. Timmermans ◽

Bauke de Vries

Keyword(s):

Built Environment ◽

Route Choice ◽

Local Area ◽

Destination Choice ◽

Built Environments ◽

Renewal Processes ◽

City Center ◽

Metro Station ◽

Route Choice Behavior ◽

The City

AbstractIn urban renewal processes, metro line systems are widely used to accommodate the massive traffic needs and stimulate the redevelopment of the local area. The route choice of pedestrians, emanating from or going to the metro stations, is influenced by the street-scale built environment. Many renewal processes involve the improvement of the street-level built environment and thus influence pedestrian flows. To assess the effects of urban design on pedestrian flows, this article presents the results of a simulation model of pedestrian route choice behavior around Yingkoudao metro station in the city center of Tianjin, China. Simulated pedestrian flows based on 4 scenarios of changes in street-scale built environment characteristics are compared. Results indicate that the main streets are disproportionally more affected than smaller streets. The promotion of an intensified land use mix does not lead to a high increase in the number of pedestrians who choose the involved route when traveling from/to the metro station, assuming fixed destination choice.

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Numerical Analysis of Metro Station Construction by Large-Diameter Shield and Pile-Beam-Arch Method

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.368-373.2711 ◽

2011 ◽

Vol 368-373 ◽

pp. 2711-2715 ◽

Cited By ~ 1

Author(s):

De Yun Ding ◽

Xiu Ren Yang ◽

Wei Dong Lu ◽

Wei Ning Liu ◽

Mei Yan ◽

...

Keyword(s):

Ground Deformation ◽

Large Diameter ◽

Element Model ◽

Construction Method ◽

Shield Tunnel ◽

Outer Diameter ◽

Shield Tunneling ◽

Metro Station ◽

Dimensional Finite Element ◽

New Construction

In more and more complicated urban building environment, a new construction method that metro engineering is constructed by large-diameter shield and shallow mining method can be regarded as a great attempt in China. By taking the Gaojiayuan station of Beijing metro line 14 as an engineering background, the main construction steps for the platform of the metro station built by a large-size shield with an outer diameter of 10 m and the Pile-Beam-Arch (PBA) method are introduced. Based on the soil-structure interaction theory, a two-dimensional finite element model is used to simulate the shield tunneling and the platform construction by the PBA method to enlarge the shield tunnel. The ground deformation and structural stress of the platform are predicted. The numerical results can be regarded as a valuable reference for the application of the new construction method in Beijing metro line 14.

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