Reliability of Tie Bar Concrete-Filled Steel Tubular Stub Columns Under Axial Compression

被引：2
作者：
Ding, Faxing [1 ,2 ]
Lu, Yongquan [1 ]
Xiong, Shuning [1 ]
Xiang, Ping [1 ,3 ,4 ,5 ,6 ]
机构：
[1] Cent South Univ, Sch Civil Engn, Changsha 410075, Hunan, Peoples R China
[2] Natl Engn Lab High Speed Railway Construction, Changsha, Peoples R China
[3] Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin, Peoples R China
[4] Chongqing Univ, Chongqing Key Lab Earthquake Resistance & Disaster, Chongqing, Peoples R China
[5] Changan Univ, Minist Educ Highway Construct & Maintenance Equipm, Engn Res Ctr, Xian, Peoples R China
[6] Wuhan Univ Technol, Hubei Key Lab Theory & Applicat Adv Mat Mech, Wuhan 430070, Peoples R China
来源：
INTERNATIONAL JOURNAL OF CIVIL ENGINEERING | 2023年 / 21卷 / 7期
基金：
中国国家自然科学基金;
关键词：
Monte Carlo simulation; Concrete-filled steel tube; Axial compression; Reliability; EXPERIMENTAL BEHAVIOR; MECHANICAL-BEHAVIOR; MONTE-CARLO; TUBE; DESIGN; TESTS; PERFORMANCE; SECTIONS; CAPACITY;
D O I：
10.1007/s40999-023-00812-w
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Monte Carlo Simulation is implemented to analyze the reliability of the ordinary concrete-filled steel tubular (CFST) and tie bar CFST short columns under axial compression. The influences of different section shape, material types, load combination, load ratio, stirrup ratio and stirrup strength on the reliability indexes are evaluated. The results show: Properly configuring tie bars in ordinary CFST can greatly improve the reliability index of CFST by 20-40%; When using the same material and the same load combination, the reliability index of the circular section is the lowest; for CFST axial compression members with the same section shape, when the ratio of office live load to dead load is equal to 1.0, the higher the steel strength and concrete strength, the greater the reliability index.
引用
收藏
页码：1077 / 1087
页数：11
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