|本期目录/Table of Contents|

[1]邓月超,孟冲,席学军,等.毒气泄漏威胁下建筑气密性对就地避难效果影响研究*[J].中国安全生产科学技术,2021,17(12):11-16.[doi:10.11731/j.issn.1673-193x.2021.12.002]
 DENG Yuechao,MENG Chong,XI Xuejun,et al.Study on influence of air tightness of building on shelter-in-place effect under threat of toxic gas leakage[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(12):11-16.[doi:10.11731/j.issn.1673-193x.2021.12.002]
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毒气泄漏威胁下建筑气密性对就地避难效果影响研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年12期
页码:
11-16
栏目:
学术论著
出版日期:
2021-12-31

文章信息/Info

Title:
Study on influence of air tightness of building on shelter-in-place effect under threat of toxic gas leakage
文章编号:
1673-193X(2021)-12-0011-06
作者:
邓月超孟冲席学军谢琳娜
(1.中国建筑科学研究院有限公司,北京 100013;
2.中国安全生产科学研究院,北京 100012)
Author(s):
DENG Yuechao MENG Chong XI Xuejun XIE Linna
(1.China Academy of Building Research,Beijing 100013,China;
2.China Academy of Safety Science and Technology,Beijing 100012,China)
关键词:
毒气泄漏建筑气密性就地避难浓度有效性高斯烟团模型
Keywords:
toxic gas leakage air tightness of building shelter-in-place concentration effectiveness Gaussian puff diffusion model
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2021.12.002
文献标志码:
A
摘要:
针对我国毒气泄漏生产安全事故中就地避难策略的选择缺乏依据的问题,基于毒气扩散理论、建筑气密性分级模型及毒物浓度伤害准则,评析位于毒气泄漏源不同距离处不同气密性建筑作为“就地避难场所”的可靠性与有效性。结果表明:事故中,室外毒气浓度短时间内达到峰值后迅速回落,而室内毒气浓度达到峰值后回落缓慢;室内毒气浓度达到峰值所需时间受气密性影响小,但其降速随气密性等级的增大而明显放缓。最后,研究提出距泄漏源不同距离处就地避难建筑应达到的气密性水平。
Abstract:
In view of the lack of basis for the selection of shelter-in-place strategy for the toxic gas leakage accidents in the work safety of China,the reliability and effectiveness of buildings with different air tightness located at different distances from the toxic gas leakage source as “in-place shelters” were evaluated and analyzed based on the toxic gas diffusion theory,classification model for air tightness of building envelope and toxic concentration injury criteria.The results showed that in the accident,the outdoor toxic gas concentration reached the peak in a short time and then fell quickly,while the indoor toxic gas concentration reached the peak and then fell slowly.The time required for indoor toxic gas concentration to reach peak was less affected by the air tightness,however,the decreasing velocity obviously slowed down with the increase of the air tightness grade.Finally,the required air tightness levels of shelter buildings with different distances from the leakage source were proposed.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2021-01-26
* 基金项目: 国家重点研发计划项目(2017YFC0804900)
作者简介: 邓月超,博士,高级工程师,主要研究方向为建筑防灾减灾、建筑节能等。
更新日期/Last Update: 2022-01-16