[1]熊学玉,王燕华.混凝土简支梁设计基准期内的可靠度[J].自然灾害学报,2005,(05):132-135.
 XIONG Xue-yu,WANG Yan-hua.Reliability of concrete simple-supported beam under fire during design period[J].,2005,(05):132-135.
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混凝土简支梁设计基准期内的可靠度
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
期数:
2005年05期
页码:
132-135
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Reliability of concrete simple-supported beam under fire during design period
作者:
熊学玉1 王燕华2
1. 同济大学预应力研究所, 上海200092;
2. 中国民航机场建设总公司, 北京100101
Author(s):
XIONG Xue-yu1 WANG Yan-hua2
1. Prestress Research Institute, Tongji University, Shanghai 200092, China;
2. China Airport Construction Company, Beijing 100101, China
关键词:
火灾可靠性失效概率混凝土简支梁蒙特卡罗随机有限元法变异性
Keywords:
firereliabilityprobability of failuresimplesupported concrete beamMonte-Carlo stochastic finite element methodvariability
分类号:
S429
摘要:
根据统计资料对不同类型建筑在不同防火措施下发生火灾的概率研究,得出了各类建筑达到轰燃的概率。基于蒙特卡罗随机有限元方法,引入材料高温本构关系、截面尺寸和计算模型系数等的变异性,按照ISO标准升温曲线升温,给出了单构件轰燃下的失效概率计算方法。最后,将设计基准期内建筑物达到轰燃的概率与单构件轰燃下的失效概率组合,给出了设计基准期内建筑构件在火灾下的失效概率公式。
Abstract:
Through the statistical data for different types of building and different fire prevention measures,this paper presents failure probability of buildings under developed fire.Based on the Monte-Carlo stochastic finite element method and introduction of constitutive law of material unden high temperature,section dimension,calculation model coefficient,and a temperature raise according to standard temperature curve in ISO,a method is given for calculating the fail probability of single member under fire.At last,combined the fail probability of building under fire during design period and that of single member under fire,a formula is given for calculating the fail probability of a single member under fire during design period.

参考文献/References:

[1] Harmathy T Z.Fire Safety Design and Concrete[M], Longman Scientific &Technical.
[2] Karamoko Sidibé.Fire safety of reinforced concrete columns[J].ACI Structure Journal,2000, July-August,642-647.
[3] Ellingwood B,Shaver J R.Reliability of RC beams subjected to fire[J].ASCE, May, 1977,1047-1059.
[4] JCSS-OSTL/DIA/VROU,2000,Probabilistic Model Code[S].
[5] 王燕华.基于Monte-Carlo随机有限元的混凝土简支梁火灾可靠性研究[R].上海:同济大学.
[6] 李国强,蒋首超,林桂祥.钢结构抗火计算与设计[M].北京:中国建筑工业出版社,1999.
[7] 熊学玉,王燕华.基于Monte-Carlo随机有限元的火灾可靠性研究-以混凝土简支梁为例[J].自然灾害学报,2005,1(14):150-156.
[8] GBJ16-87 建筑设计防火规范[S].
[9] 熊学玉,蔡跃,黄鼎业.预应力混凝土结构抗火设计构造措施分析[J].自然灾害学报,2005,1(14):127-131.
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[11] GB9978-88, 建筑构件耐火试验方法[S].

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备注/Memo

备注/Memo:
收稿日期:2005-08-16;改回日期:2005-09-10。
基金项目:上海市建设技术发展基金资助项目(B05043)
作者简介:熊学玉(1962- ), 男, 安徽合肥人, 副教授, 博士, 主要从事混凝土及预应力混凝土结构设计理论、抗震性能和结构补强与加固应用研究.
更新日期/Last Update: 1900-01-01