DESIGN AND RELIABILITY BASED OPTIMIZATION OF A 2D ARCH BRIDGE

被引：0
|
作者：
Togan, Vedat [1 ]
Daloglu, Ayse [1 ]
机构：
[1] Karadeniz Tech Univ, Fac Engn, Dept Civil Engn, Trabzon, Turkey
来源：
SIGMA JOURNAL OF ENGINEERING AND NATURAL SCIENCES-SIGMA MUHENDISLIK VE FEN BILIMLERI DERGISI | 2007年 / 25卷 / 01期
关键词：
Reliability; Reliability index; structural optimization; reliability based design optimization; failure probability;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The aim of this work is to design and optimize a 2D Arch Bridge with reliability based optimization concept that is commonly used in transportation. After the arch bridge is modeled according to its original layout, the formulation of reliability-based optimization and other optimization techniques used in the work are presented. Then the bridge is optimized using various optimization methods under the allowable stress failure probability and different values of variation coefficient of random variables. Finally shape and size optimization of 2D arch bridge is performed. It is concluded that the reliability based optimization concept offers an optimum design balancing both the weight and the safety better than the deterministic ones.
引用
收藏
页码：17 / 26
页数：10
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