Study on Group Movement Characteristics in Stairwell of High-Rise Buildings
In order to cope with limited land availability and the increasing urban population, more high-rise buildings are being built throughout cities, but this has also led to new challenges in the emergency evacuation of people. Therefore, we conducted an evacuation experiment of a group of people in the...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-12-01
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| Series: | Buildings |
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| Online Access: | https://www.mdpi.com/2075-5309/13/1/83 |
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| author | Xiaoge Wei Yinlong Zhao Liping Lian Haowei Yao Huaitao Song Hengjie Qin |
| author_facet | Xiaoge Wei Yinlong Zhao Liping Lian Haowei Yao Huaitao Song Hengjie Qin |
| author_sort | Xiaoge Wei |
| collection | DOAJ |
| description | In order to cope with limited land availability and the increasing urban population, more high-rise buildings are being built throughout cities, but this has also led to new challenges in the emergency evacuation of people. Therefore, we conducted an evacuation experiment of a group of people in the stairwells of high-rise buildings to explore the movement law of groups in stairwells. The experiment had 18 scenes, including the evacuation movement of an independent group and the crowd evacuation movement of different groups. Analyzing the independent groups’ movement showed that regardless of the type of group, the average speed of the crowd was more than 1.2 m/s, which was longer than that of previous studies. The more constraints in the evacuation process, the smaller the speed difference between males and females. Group cohesion was mostly concentrated at about 1 s. Moreover, group velocity and cohesion were found to have no significant correlation in stairwell movement. Analyzing the crowd evacuation time of eight different scenes showed that it took longer for crowds bearing weight to evacuate than those not bearing weight. According to the spatiotemporal evolution of crowd evacuation in stairwells, the crowd moves intermittently in the evacuation process, especially in the early and middle stages of evacuation, and the influence of group factors on this process was not obvious. Regardless of the kind of scene or stairwell, the number of pedestrians generally first increased and then decreased to a significantly low value, and the number of pedestrians reached about 30 in the scenario of people without any load. Additionally, the speed of the pedestrians entering the stairwell in the back of the group was not faster than that of the pedestrians in the front, which showed that pedestrians rarely engaged in overtaking behavior. The research results of this paper not only enrich evacuation research but also provide support for the design of high-rise stairs. |
| first_indexed | 2024-03-09T13:21:19Z |
| format | Article |
| id | doaj.art-5db607ac2d6147dda15accf240d52947 |
| institution | Directory Open Access Journal |
| issn | 2075-5309 |
| language | English |
| last_indexed | 2024-03-09T13:21:19Z |
| publishDate | 2022-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Buildings |
| spelling | doaj.art-5db607ac2d6147dda15accf240d529472023-11-30T21:29:39ZengMDPI AGBuildings2075-53092022-12-011318310.3390/buildings13010083Study on Group Movement Characteristics in Stairwell of High-Rise BuildingsXiaoge Wei0Yinlong Zhao1Liping Lian2Haowei Yao3Huaitao Song4Hengjie Qin5The School of Building Environment Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, ChinaThe School of Building Environment Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, ChinaSchool of Architectural Engineering, Shenzhen Polytechnic, Shenzhen 518055, ChinaThe School of Building Environment Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, ChinaThe School of Building Environment Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, ChinaThe School of Building Environment Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, ChinaIn order to cope with limited land availability and the increasing urban population, more high-rise buildings are being built throughout cities, but this has also led to new challenges in the emergency evacuation of people. Therefore, we conducted an evacuation experiment of a group of people in the stairwells of high-rise buildings to explore the movement law of groups in stairwells. The experiment had 18 scenes, including the evacuation movement of an independent group and the crowd evacuation movement of different groups. Analyzing the independent groups’ movement showed that regardless of the type of group, the average speed of the crowd was more than 1.2 m/s, which was longer than that of previous studies. The more constraints in the evacuation process, the smaller the speed difference between males and females. Group cohesion was mostly concentrated at about 1 s. Moreover, group velocity and cohesion were found to have no significant correlation in stairwell movement. Analyzing the crowd evacuation time of eight different scenes showed that it took longer for crowds bearing weight to evacuate than those not bearing weight. According to the spatiotemporal evolution of crowd evacuation in stairwells, the crowd moves intermittently in the evacuation process, especially in the early and middle stages of evacuation, and the influence of group factors on this process was not obvious. Regardless of the kind of scene or stairwell, the number of pedestrians generally first increased and then decreased to a significantly low value, and the number of pedestrians reached about 30 in the scenario of people without any load. Additionally, the speed of the pedestrians entering the stairwell in the back of the group was not faster than that of the pedestrians in the front, which showed that pedestrians rarely engaged in overtaking behavior. The research results of this paper not only enrich evacuation research but also provide support for the design of high-rise stairs.https://www.mdpi.com/2075-5309/13/1/83high-rise buildinggroup movementcrowd evacuationgroup cohesion |
| spellingShingle | Xiaoge Wei Yinlong Zhao Liping Lian Haowei Yao Huaitao Song Hengjie Qin Study on Group Movement Characteristics in Stairwell of High-Rise Buildings Buildings high-rise building group movement crowd evacuation group cohesion |
| title | Study on Group Movement Characteristics in Stairwell of High-Rise Buildings |
| title_full | Study on Group Movement Characteristics in Stairwell of High-Rise Buildings |
| title_fullStr | Study on Group Movement Characteristics in Stairwell of High-Rise Buildings |
| title_full_unstemmed | Study on Group Movement Characteristics in Stairwell of High-Rise Buildings |
| title_short | Study on Group Movement Characteristics in Stairwell of High-Rise Buildings |
| title_sort | study on group movement characteristics in stairwell of high rise buildings |
| topic | high-rise building group movement crowd evacuation group cohesion |
| url | https://www.mdpi.com/2075-5309/13/1/83 |
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