Tests and numerical behavior of circular concrete-filled double skin steel tubular stub columns under eccentric loads

被引:8
作者
Manigandan, R. [1 ]
Kumar, Manoj [2 ]
机构
[1] SIMATS, Saveetha Sch Engn, Dept Civil Engn, Chennai 602105, Tamil Nadu, India
[2] Pilani BITS Pilani, Birla Inst Technol & Sci, Dept Civil Engn, Vidya Vihar 333301, Rajasthan, India
关键词
composite actions; concrete-filled double skinned steel tubes (CFDST); double tube; eccentric loading; finite element; non-linear analysis; FINITE-ELEMENT-ANALYSIS; STRESS-STRAIN MODEL; TUBE COLUMNS; UNIAXIAL BEHAVIOR; STRENGTH; CAPACITY; DUCTILITY; SECTION; DESIGN; FRP;
D O I
10.12989/sem.2023.88.3.287
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
This article describes experimental and numerical analyses of eccentrically loaded over the axially loaded circular concrete filled double -skinned steel tubular (CFDST) short columns. Tests on circular CFDST short columns under eccentric and concentric loading were conducted to assess their responses to the frequent intensity of 5-30 mm at the interval of each 5 mm eccentric loading conditions with constant cross-sectional proportions and width -to -thickness ratios of the outside and internal tubes. The non-linear finite -element analysis of circular CFDST short columns of eccentrically loaded over the axially loaded was performed using the ABAQUS to predict the structural behavior and compare the concentric loading capacity over the various eccentric loading conditions. The comparison outcomes show that the axial compressive strength of the circular CDFST short columns was 2.38-32.86%, lesser than the concentrically loaded short column with the inner circular section. Also, the influence of computer simulation employed is more efficient in forecasting the experimentally examined performance of circular CFDST stub columns.
引用
收藏
页码:287 / 299
页数:13
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