|本期目录/Table of Contents|

[1]田向亮,钟茂华,陈俊沣,等.地铁十字换乘车站全尺寸实验研究:I.站厅火灾[J].中国安全生产科学技术,2019,15(3):11-18.[doi:10.11731/j.issn.1673-193x.2019.03.002]
 TIAN Xiangliang,ZHONG Maohua,CHEN Junfeng,et al.Fullscale experimental study on cross transfer metro station:Ⅰ.Station hall fire[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(3):11-18.[doi:10.11731/j.issn.1673-193x.2019.03.002]
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地铁十字换乘车站全尺寸实验研究:I.站厅火灾
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
15
期数:
2019年3期
页码:
11-18
栏目:
学术论著
出版日期:
2019-03-31

文章信息/Info

Title:
Fullscale experimental study on cross transfer metro station:Ⅰ.Station hall fire
文章编号:
1673-193X(2019)-03-0011-08
作者:
田向亮1钟茂华1陈俊沣1刘畅2仇培云3
(1.清华大学 工程物理系 公共安全研究院,北京 100084; 2.东北大学 资源与土木工程学院,辽宁 沈阳 110819;3.广州地铁集团有限公司,广东 广州 510330)
Author(s):
TIAN Xiangliang1ZHONG Maohua1CHEN Junfeng1LIU Feng2QIU Peiyun3
(1. Institute of Public Safety Research, Department of Engineering Physics, Tsinghua University, Beijing 100084, China;2. College of Resources and Civil Engineering, Northeastern University, Shenyang Liaoning 110819, China;3. Guangzhou Metro Group Co., Ltd., Guangzhou Guangdong 510330, China)
关键词:
地铁十字换乘车站全尺寸实验公共站厅通风排烟
Keywords:
metro cross transfer metro station fullscale experiment public station hall ventilation and smoke exhaust
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2019.03.002
文献标志码:
A
摘要:
为了全面了解在不同通风模式下地铁十字换乘车站站厅火灾发展规律,通过在8A编组地铁十字换乘车站公共站厅层开展1 MW规模的全尺寸火灾实验,对不同通风模式下换乘地铁车站站厅层公共区火灾场景下的烟气前锋到达时间、烟气扩散与沉降范围和楼扶梯处温度等参数进行分析研究。研究结果表明:在换乘线路A线站厅层发生火灾时,受到出入口自然风以及站厅层空间结构的影响,站厅内形成了由站厅北侧向南侧方向的风压,有效抑制了烟气向B线站厅扩散;通风排烟系统能够有效降低烟气扩散速率,控制烟气扩散范围和沉降高度;针对此类结构车站站厅的防排烟设计,应综合考虑通风、出入口位置和空间构筑物对火灾烟气扩散的影响,确保火灾过程中人员疏散路径和楼扶梯处烟气层高度和烟气温度处于安全水平。
Abstract:
In order to fully understand the fire development laws of station hall in the cross transfer metro station under different ventilation modes, the fullscale fire experiments with 1MW power were carried out in the public station hall floor of 8A marshalling cross transfer metro station, then the arrival time of smoke front, the range of smoke diffusion and subsidence, the temperatures at stairs and escalators and other parameters under different ventilation modes in the fire scene of public area of station hall floor in the cross transfer metro station were analyzed. The results showed that when the fire occurred in the station hall floor of line A as the transfer line, due to the influence of the natural wind at the entrances and exits and the spatial structure of station hall floor, the wind pressure from north side to south side formed in the station hall, which effectively restrained the smoke spread to the station hall of line B. The ventilation and smoke exhaust system could effectively reduce the smoke diffusion rate, and control the smoke diffusion range and subsidence height. In view of the smoke control and exhaust design of the station hall with this kind of structure, the influence of ventilation, positions of entrances and exits and spatial structure on the smoke diffusion in the fire should be considered comprehensively, so as to ensure that the height of smoke layer and smoke temperature at the personnel evacuation paths and the stairs and escalators during the fire process keep in the safe level.

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备注/Memo

备注/Memo:

收稿日期: 2019-02-01
基金项目: 国家重点研发计划项目(2016YFC0802500);国家自然科学基金项目(51425404,51674152)
作者简介: 田向亮,博士,助理研究员,主要研究方向为地铁火灾防治。
通信作者: 钟茂华,博士,研究员,主要研究方向为地铁安全。
更新日期/Last Update: 2019-04-15