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[1]张嬿妮,杨丹,温心宇,等.火源位置对浮法玻璃热破裂行为规律影响研究*[J].中国安全生产科学技术,2021,17(8):143-149.[doi:10.11731/j.issn.1673-193x.2021.08.022]
　ZHANG Yanni,Yang Dan,WEN Xinyu,et al.Study on influence of fire source location on thermal fracture behavioral laws of float glass[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(8):143-149.[doi:10.11731/j.issn.1673-193x.2021.08.022]
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火源位置对浮法玻璃热破裂行为规律影响研究*
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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8期
页码:
143-149
栏目:
职业安全卫生管理与技术
出版日期:
2021-08-31

文章信息/Info

Title:
Study on influence of fire source location on thermal fracture behavioral laws of float glass
文章编号:
1673-193X(2021)-08-0143-07
作者:
张嬿妮; 杨丹; 温心宇; 冯志超; 凌诗月; 黄罗鑫
（1.西安科技大学 安全科学与工程学院，陕西 西安 710054；
2.国土资源部煤炭资源勘查与综合利用重点实验室，陕西 西安 710054）
Author(s):
ZHANG Yanni; Yang Dan; WEN Xinyu ; FENG Zhichao ; LING Shiyue; HUANG Luoxin
(1.College of Safety Science and Engineering,Xi’an University of Science and Technology,Xi’an Shaanxi 710054,China;
2.Key Laboratory of Coal Resources Exploration and Comprehensive Utilization,Ministry of Land and Resources,Xi’an Shaanxi 710054,China)
关键词:
浮法玻璃; 火源位置; 安装方式; 裂纹; 热破裂
Keywords:
float glass;  fire source location;  installation mode;  crack;  thermal fracture
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2021.08.022
文献标志码:
A
摘要:
为了研究火源位置对浮法玻璃热破裂行为规律的影响，选用尺寸为600 mm×600 mm×6 mm（长×宽×厚）的浮法玻璃为研究对象，研究在点支撑和框支撑安装方式下，在玻璃厚度方向上不同火源位置的浮法玻璃热破裂情况，分析其首次破裂时间、破裂时表面温度以及裂纹起裂方式等热破裂行为参数，加深对浮法玻璃热破裂行为机理的研究。结果表明：在火源位置实验中进行中心热辐射时，点支撑安装方式下的浮法玻璃防火性能优于框支撑安装方式下的浮法玻璃；其次，玻璃表面会形成大量孤岛裂纹和交叉裂纹，裂纹最终形态受火源位置影响，火源位置与裂纹数量、裂纹分布复杂性呈负相关。
Abstract:
In order to study the influence of fire source location on the thermal fracture behavioral laws of float glass,the float glass with a size of 600 mm×600 mm×6 mm was selected as the research object.The thermal fracture of float glass in the direction of glass thickness under different fire source locations with the installation modes of point support and frame support was studied,and the thermal fracture behavioral parameters such as the first fracture time,the surface temperature at the fracture time and the crack initiation mode were analyzed to deepen the research on the thermal fracture behavioral mechanism of float glass.The results showed that when performing the central heat radiation in the fire source location experiment,the fireproof performance of float glass under the point support installation mode was better than that of the float glass under the frame support installation mode.In addition,a large number of island cracks and cross cracks would be formed on the glass surface.The final shape of cracks was affected by the fire source location,and the fire source location was negatively correlated with the number of cracks and the complexity of crack distribution.

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备注/Memo

备注/Memo:
收稿日期： 2021-02-03
* 基金项目： 国家自然科学基金项目（51674191）
作者简介： 张嬿妮，博士，教授，主要研究方向为建筑火灾防护。
更新日期/Last Update: 2021-09-08