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Delft University of Technology

1. Brouwer, Dorus (author). Flow Capacity of Bottlenecks in a Cycle Storage.

Degree: 2018, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:3da97731-76cd-4df7-aa96-0ff16a2145f3

There is a need to know flow capacities of common bottlenecks of cycle storages because an increasing number of large cycle storages are being designed. Flow capacity values are not available from literature nor is a suitable method to determine those values. This research contributes to filling these research gaps, by developing a method to measure capacity, and applying it to case studies. The method also offers a way to calculate the standard deviation of the flow, as well as a confidence interval for the capacity. This is possible because the flow is normally distributed. Knowing the variation of the flow, predictions can be made on how often a queue will emerge. The essence of the method is to measure in an event-based manner, discard the time at which there was no queue before the bottleneck, and then divide the remaining measurements into intervals of equal duration and treat those intervals as individual capacity measurements. The method has shown to yield a capacity value that is independent of the averaging interval. The standard deviation however, does not always vary as independent data from a normal distribution would. It is hypothesised that the autocorrelation could be used to correct for that. 95% confidence intervals for capacity were found as follows; check-in: 21.2 ± 1.2 (σ=3.5), stairs: 24.78 ±0.60 (σ=1.02).

Transport, Infrastructure and Logistics

Subjects/Keywords: Bicycle storage; Stairs; Check-in; Gate; Capacity; flow variation; Railway stations

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^{th} Edition):

Brouwer, D. (. (2018). Flow Capacity of Bottlenecks in a Cycle Storage. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:3da97731-76cd-4df7-aa96-0ff16a2145f3

Chicago Manual of Style (16^{th} Edition):

Brouwer, Dorus (author). “Flow Capacity of Bottlenecks in a Cycle Storage.” 2018. Masters Thesis, Delft University of Technology. Accessed April 23, 2021. http://resolver.tudelft.nl/uuid:3da97731-76cd-4df7-aa96-0ff16a2145f3.

MLA Handbook (7^{th} Edition):

Brouwer, Dorus (author). “Flow Capacity of Bottlenecks in a Cycle Storage.” 2018. Web. 23 Apr 2021.

Vancouver:

Brouwer D(. Flow Capacity of Bottlenecks in a Cycle Storage. [Internet] [Masters thesis]. Delft University of Technology; 2018. [cited 2021 Apr 23]. Available from: http://resolver.tudelft.nl/uuid:3da97731-76cd-4df7-aa96-0ff16a2145f3.

Council of Science Editors:

Brouwer D(. Flow Capacity of Bottlenecks in a Cycle Storage. [Masters Thesis]. Delft University of Technology; 2018. Available from: http://resolver.tudelft.nl/uuid:3da97731-76cd-4df7-aa96-0ff16a2145f3

Delft University of Technology

2. van Schaik, Lucia (author). Estimating the Flow Capacity of Pedestrian Intersections at Railway Stations: A field study at Utrecht Centraal station.

Degree: 2020, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:ec3d25d6-02f0-4f29-a86a-1e58b367931c

Understanding pedestrian traffic is essential to design for safe and reliable pedestrian infrastructures, facilities and operations. For the assessment and design of pedestrian transfer areas at stations capacity standards for uni- and bidirectional flows are applied. It has been observed that, at railway stations, also other configurations of flows occur, such as intersecting flows at different angles (e.g. intersections between transfer areas and stairs/escalators or shops). In contrast to uni- and bidirectional flows, for which many researches have quantitatively studied the pedestrian flow characteristics, only little research has been done to intersecting flows. The purpose of this research is to gain insight into how the flow capacity of a pedestrian intersection at a railway station is influenced by several factors and to explore methods that can estimate the flow capacity of a pedestrian intersection. A theoretical framework has been constructed that shows the hypothesized causal relations between the research topic - intersection flow capacity - and several variables that describe the context of this study. Furthermore, three capacity estimation methods were proposed to estimate the flow capacity of a pedestrian intersection. According to the field study, the second and third method both seem suitable for capacity estimations, even though the intersection flow capacity (according to the traffic flow principles) could not be estimated in this study. Several recommendations have been made for future research, including points of improvement regarding the the studied methods, directions for research focus and the usability of the findings in this study.

Transport, Infrastructure and Logistics

Subjects/Keywords: Pedestrian traffic; Flow capacity; Pedestrian intersections; Railway stations; Theoretical framework; Capacity estimation methods

Record Details Similar Records

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^{th} Edition):

van Schaik, L. (. (2020). Estimating the Flow Capacity of Pedestrian Intersections at Railway Stations: A field study at Utrecht Centraal station. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:ec3d25d6-02f0-4f29-a86a-1e58b367931c

Chicago Manual of Style (16^{th} Edition):

van Schaik, Lucia (author). “Estimating the Flow Capacity of Pedestrian Intersections at Railway Stations: A field study at Utrecht Centraal station.” 2020. Masters Thesis, Delft University of Technology. Accessed April 23, 2021. http://resolver.tudelft.nl/uuid:ec3d25d6-02f0-4f29-a86a-1e58b367931c.

MLA Handbook (7^{th} Edition):

van Schaik, Lucia (author). “Estimating the Flow Capacity of Pedestrian Intersections at Railway Stations: A field study at Utrecht Centraal station.” 2020. Web. 23 Apr 2021.

Vancouver:

van Schaik L(. Estimating the Flow Capacity of Pedestrian Intersections at Railway Stations: A field study at Utrecht Centraal station. [Internet] [Masters thesis]. Delft University of Technology; 2020. [cited 2021 Apr 23]. Available from: http://resolver.tudelft.nl/uuid:ec3d25d6-02f0-4f29-a86a-1e58b367931c.

Council of Science Editors:

van Schaik L(. Estimating the Flow Capacity of Pedestrian Intersections at Railway Stations: A field study at Utrecht Centraal station. [Masters Thesis]. Delft University of Technology; 2020. Available from: http://resolver.tudelft.nl/uuid:ec3d25d6-02f0-4f29-a86a-1e58b367931c