Tests and numerical analysis on octagonal concrete-filled double skinned steel tubular short columns under axial compression

被引：2
|
作者：
Manigandan, R. [1 ]
机构：
[1] Saveetha Univ, Saveetha Inst Med & Tech Sci, Saveetha Sch Engn, Dept Civil Engn, Chennai 602105, Tamil Nadu, India
来源：
STEEL AND COMPOSITE STRUCTURES | 2024年 / 50卷 / 05期
关键词：
ABAQUS; axial response; composite column; finite element analysis; octagonal CFDST column; sandwiched concrete; FINITE-ELEMENT-ANALYSIS; STRESS-STRAIN MODEL; TUBE COLUMNS; UNIAXIAL BEHAVIOR; STUB COLUMNS; STRENGTH; CAPACITY; DUCTILITY; SECTION; DESIGN;
D O I：
10.12989/scs.2024.50.5.499
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper describes the experimental and numerical investigations of octagonal Concrete -Filled Double Skinned Steel Tube (CFDST) short columns under the influence of various internal sizes of the circular and square steel tubes, with constant cross-sectional dimensions of the external octagonal steel tube under concentric loading. The non-linear finite element analysis of octagonal CFDST columns was executed using the ABAQUS to forecast and compare the axial compression behavior influenced by the various sizes of internal circular and square steel tubes. The study shows that the axial compressive strength and ductility of octagonal CFDST columns were significantly influenced by various internal dimensions of the circular and square steel tubes with the strengths of constituent materials.
引用
收藏
页码：499 / 513
页数：15
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