Optimizing the Usage of Walking Facilities between Platform and Concourse Layer in L-Shaped Interchange Metro Station

Nai, Wei; Dong, Dezun; Chen, Shuai; Zheng, Wei; Yang, Wenchen

doi:10.1016/j.sbspro.2012.04.148

Cited by 5 publications

(5 citation statements)

References 3 publications

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“…• A time gap of T = 0.35s is too long to be compatible with observed flows of [12,[14][15][16] and data provided by [3][4][5]. In order to explain these experimental data with Eq (16), therefore smaller T-values have to be used, see the above bullet points.…”

Section: Plos Onementioning

confidence: 85%

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Come together: A unified description of the escalator capacity

Gnendiger

Chraibi²,

Tordeux³

2023

PLoS ONE

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We investigate a variety of aspects related to the simulation of passenger dynamics on escalators, mainly focusing on the discrepancy between the ‘theoretical’ and the ‘practical’ capacity that is observed for these facilities. The structure of the paper is twofold. In the first part, we introduce a space-continuous model to describe the transition of agents from walking on the plain to standing on the escalator. In the second part, we use numerical findings from simulations to study important measures like minimum distances between the standing agents and average occupancies of the escalator steps. One of the most important results obtained in this paper is a generalized analytical formula that describes the escalator capacity. We show that, apart from the conveyor speed, the capacity essentially depends on the time gap between entering passengers which we interpret as human reaction time. Comparing simulation results with corresponding empirical data from field studies and experiments, we deduce a minimum human reaction time in the range of 0.15s–0.30s which is in perfect agreement with results from social psychology. With these findings, it is now possible to determine accurately the relationship between the capacity and the speed of an escalator, allowing a science-based performance evaluation of buildings with escalators.

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Section: Plos Onementioning

confidence: 85%

“…The starting point of this approach is the hydro-dynamical equation β = ρ esc �w�v esc together with the definition of the capacity in Eq (14). Using Eq (13a), the capacity is given by…”

Section: Plos Onementioning

confidence: 99%

Come together: A unified description of the escalator capacity

Gnendiger

Chraibi²,

Tordeux³

2023

PLoS ONE

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“…The findings of this work related to the data extraction time interval are different than those reported by various researchers. Nai et al (2012) have suggested 20s as the data extraction time interval for pedestrian flows on escalators at metro stations in China, whereas Al-Sharif (1996) and Xing et al (2011) suggested to use 30s interval for extracting pedestrian flow on escalators at metro stations. In the case of escalators at railway stations, it varied from 30s to 1 min.…”

Section: Discussionmentioning

confidence: 99%

“…30s interval was recommended for use on all the facilities. Nai et al (2012) considered 20s as data extraction period to arrive at the capacity of the facility. Das et al (2016) too examined various data extraction count intervals (15s, 30s and 60s) and observed that count interval higher than 15s results in less skewed data and higher interval results in missing data.…”

Section: Literature Reviewmentioning

confidence: 99%

Passenger Flows at Escalators – Arriving at Count Interval for Design Flow Estimation

Kahali

Rastogi

2021

European Journal of Transport and Infrastructure Research

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Selection of a count interval to extract flow data on pedestrian facilities seems to be governed by the operational environment of the facility and context of the study. Based on the flow condition, which may be intermittent, uniform, or periodic, the count interval has been found varying between 1 minute and 5 minutes. For instantaneous peaks, it is reduced to even 10s. The selection of a count interval will impact the flow values and subsequently the design requirements and operational efficiency. Present study, in this light, focusses on escalators located at metro rail stations. The study region is Delhi, India. Based on the analysis, the count interval for data extraction is recommended as 24 seconds, which is expected to result in a flow that does not cause unnecessary increase in facility size and keep it usable for most of the time. The absolute design flow value may be considered between 140–148 ped/m/min, which is the 5th highest rank order peak flow. The results are expected to optimize the resources, both for data collection and size of a facility.

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“…In that research, it was also mentioned that importance of building recreational paths and walk paths should be designed knowing that residents are willing to walk 10-15 minutes at a time. Some have identified factors affecting the walkability as continuity, connectivity, absence of barriers, linkage to the transport modes, safety from traffic, physical condition of the path and contextual values such as aesthetic and historic values [13].…”

Section: 2mentioning

confidence: 99%

Assessing the Walk-Score of Walking Paths in Kandy City Area for Better Walking Experience for the Tourists

Dias

Wijeweera

2021

Engineer

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Walking has been always considered as a sustainable method of transportation which is more suitable for short distance trips. It is observed that tourists would prefer to walk more than local residents in cities with many tourist attractions located in close proximity. The City of Kandy, in Sri Lanka, can be recognized as one good example for such cities. Even though the tourists are willing to walk longer distances, this study has assessed the walking experience of a pedestrian in the city limits of Kandy, based on a walk score. Several walkability characteristics are taken into account to generate the walk score for segments of roads in the city and Pedestrian Level of Service (PLOS) was also considered. The objective of this study was to recognize the best walking paths between the tourist attractions using these qualities. This study used an evaluation criterion previously developed by Dias in 2012 to obtain the walk-score, and tourism specific features such as availability of shops and ATM machines were considered. The study area was based on the tourist attractions in Kandy. Data were collected through field surveys in 2018 to identify walking facilities provided and to estimate PLOS in the selected street segments. Twenty-six road segments were selected for the study and the Walk-score ranged from 24% to 60% with an average of 45%, which cannot be considered as a satisfactory situation. The results showed lack of pedestrian amenities in many street segments could be discouraging tourists to choose the street segment for their route. When selecting a walking path to reach a tourist destination it is expected that tourists will tend to select the best walking path.

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Optimizing the Usage of Walking Facilities between Platform and Concourse Layer in L-Shaped Interchange Metro Station

Cited by 5 publications

References 3 publications

Come together: A unified description of the escalator capacity

Come together: A unified description of the escalator capacity

Passenger Flows at Escalators – Arriving at Count Interval for Design Flow Estimation

Assessing the Walk-Score of Walking Paths in Kandy City Area for Better Walking Experience for the Tourists

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