|本期目录/Table of Contents|

[1]石杰红.建构筑物周边爆破施工安全控制距离及分析方法研究[J].中国安全生产科学技术,2016,12(11):125-129.[doi:10.11731/j.issn.1673-193x.2016.11.021]
 YU Li,LIU Zegong,SHEN Zhaowu,et al.Experimental study on explosion effect during single ignition of fuel air explosive[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2016,12(11):125-129.[doi:10.11731/j.issn.1673-193x.2016.11.021]
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建构筑物周边爆破施工安全控制距离及分析方法研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
12
期数:
2016年11期
页码:
125-129
栏目:
现代职业安全卫生管理与技术
出版日期:
2016-11-30

文章信息/Info

Title:
Experimental study on explosion effect during single ignition of fuel air explosive
文章编号:
1673-193X(2016)-11-0125-05
作者:
石杰红12
(1. 中国安全生产科学研究院,北京 100012; 2. 地铁火灾及客流疏运安全北京市重点实验室,北京 100012)
Author(s):
YU Li1 LIU Zegong2 SHEN Zhaowu3 WANG Derun4
(1. School of Computer Science and Project, Anhui University of Science and Technology, Huainan Anhui 232001, China; 2. School of Mining and Safety Engineering, Anhui University of Science and Technology, Huainan Anhui 232001, China; 3. School
关键词:
建筑物爆破安全控制距离分析 方法数值模拟
Keywords:
fuel air explosive (FAE) single ignition dispersed detonation experimental study
分类号:
X928.7
DOI:
10.11731/j.issn.1673-193x.2016.11.021
文献标志码:
A
摘要:
为研究在居民区附近开展大面积爆破施工的安全可行性以及安全控制距离标准,采用数值模拟方法,分析了地铁车辆段爆破施工对周边高压线及居民楼的影响,根据分析结果,给出了安全控制距离及关键控制指标,说明采用数值模拟的方法适用于类似工况的可行性。另外,研究发现,在居民楼附近进行地铁车辆段爆破施工风险较高,建议在距建构筑物100 m范围内采用静态爆破或机械开挖的方式进行施工。
Abstract:
In order to improve the explosion power of fuel air explosive (FAE), the FAE with different phase states were designed and prepared, and the comparative experimental study on single ignition of FAE in open space was carried out by using the optical and electrical measurement methods. The results showed that after single ignition of solid FAE, liquid-solid mixing FAE and liquid FAE, there all exist four stages including ignition center charge, fuel dispersion, ignition and explosion, and all the duration of cloud are longer than the corresponding value of TNT charge with the same mass. The change law of overpressure within explosion field of solid FAE is decrease, then increase, and then decrease with the increase of distance, and the value is higher than the corresponding value of TNT charge with the same mass. The change law of overpressure within explosion field of liquid FAE or liquid-solid mixing FAE is increase and then decrease, and the overpressure within far explosion field is higher than the corresponding value of TNT charge with the same mass.

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备注/Memo

备注/Memo:
国家自然科学基金(71203201,51274176);国家重点研发计划(2016YFC0802505);中国安全生产科学研究院基本科研业务费专项(2016JBKY04,2016JBKY19,2016JBKY20);中国安科院“万人计划”入选人才特殊支持经费项目(WRJH201502)
更新日期/Last Update: 2017-01-04