Calibration of reliability index of RC beams for serviceability limit state of maximum crack width

被引：24
|
作者：
Quan, Q [1 ]
Zhao, GW [1 ]
机构：
[1] Tsing Hua Univ, Dept Civil Engn, Beijing 100084, Peoples R China
来源：
RELIABILITY ENGINEERING & SYSTEM SAFETY | 2002年 / 75卷 / 03期
关键词：
maximum crack width; RC beam; serviceability limit state; long-term effect;
D O I：
10.1016/S0951-8320(01)00133-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper discusses the calibration of reliability index of RC beams in buildings for serviceability limit state of maximum crack width. Based on a group of tests on RC beams for maximum crack width, model uncertainty in complicated expressions for the limit state stipulated by China code for design of concrete structures for concrete beams was estimated. Formulations of the first-order reliability method for evaluating the reliability indexes for this limit state were developed. Sensitivities of the reliability index to the ratio of variable load to permanent load, ratio of reinforcement, section depth, radius of longitudinal reinforcing steel, nominal cover, concrete cube strength, and allowable width limit were discussed. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：359 / 366
页数：8
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