Analytical investigation into the flexural behavior of steel tubular truss-and-concrete (STTC) composite beams

被引：3
|
作者：
Hu, Bo [1 ]
Che, Ruiyu [2 ]
Wang, Jingfeng [3 ]
He, Xiaogang [2 ]
Li, Lei [4 ]
Kundu, Tribikram [1 ,5 ]
机构：
[1] Univ Arizona, Dept Aerosp & Mech Engn, 1130 N Mt Ave, Tucson, AZ 85721 USA
[2] China Univ Min & Technol, Sch Mech & Civil Engn, Xuzhou 221116, Peoples R China
[3] Hefei Univ Technol, Sch Civil Engn, Hefei 230009, Anhui, Peoples R China
[4] Xian Univ Architecture & Technol, Sch Civil Engn, Xian 710055, Peoples R China
[5] Univ Arizona, Dept Civil & Architectural Engn & Mech, Tucson, AZ 85721 USA
来源：
STRUCTURES | 2023年 / 50卷
基金：
中国国家自然科学基金;
关键词：
Steel tubular truss -and -concrete (STTC); Composite beam; Flexural behavior; Finite element analysis; Parametric analysis; BRACE TRUSS; CFST CHORD; PERFORMANCE; STRENGTH; TESTS;
D O I：
10.1016/j.istruc.2022.11.106
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this paper, experimental studies and numerical analyses are carried out to investigate the flexural performance of steel tubular truss-and-concrete (STTC) composite beams. A set of STTC composite beams were subjected to static loadings. The experimental procedures and the main test results are briefly presented. Then a finite element modeling strategy for STTC composite beams was developed, and its validity and accuracy were verified by test results. An extensive parametric analysis was performed to gain insight into the influence of 12 main parameters on the flexural response of STTC composite beams. Eventually, the prediction method for flexural stiffness and strength of STTC composite beams was verified based on the numerical simulation results. These experimental studies and numerical analyses can lead to improvements in the practical design of STTC composite beams.
引用
收藏
页码：670 / 688
页数：19
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