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Plattformsdörrar för plattformselement : En utredning av möjligheterna i Stockholms tunnelbana.Yaro, Dennis January 2022 (has links)
Purpose: The purpose of this study is to investigate and analyze whether the current platform elements can handle the additional loads from the introduction of platform screen doors at various subway stations. The specific stations involved in the study were Norsborg, Alby, Fridhemsplan, Globen and Alvik. Method: By introducing the platform screen doors, the number of potential accidents is minimized, and the safety of passengers is increased. In order to see if the platforms would be capable of handling the extra load from the platform doors, engineers have measured the thickness of the current platforms to see whether they would be able to withstand the additional pressure that comes with the installation of platform screen doors. Results: Based on the calculations of the different platform types, the results show that platform type 1 can not handle loads from the platform doors and has to be reinforced to minimize the risks of breakage and tilting. Platform types 2 and 3 can manage the weight from the platform doors but should also be reinforced since there is a risk that they will break in the future. In order to achieve safety for people on the platform, the results show that a half-high platform door is the best choice. Conclusions: The available manufacturers on the market offer some different models of platform screen doors, both full and half-height. Since stations and their platform elements vary in design and quality, it is not the optimal choice to have the same type of doors on all stations. The best choice for indoor stations is to install full height screen doors where it is possible. Although, half-height screen doors can be installed on all stations. The half-height screen doors result in the most consistent performance while maintaining the safety of people on the platform.
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