Experimental study on axial compressive behavior of steel-bamboo I-section composite columns

被引：0
|
作者：
Zhang J. [1 ,2 ]
Mao M. [2 ]
Yu B. [2 ]
Wang J. [2 ]
Li Y. [1 ]
机构：
[1] College of Civil Engineering and Architecture, Qingdao Agricultural University, Qingdao
[2] School of Civil and Environmental Engineering, Ningbo University, Ningbo
来源：
Jianzhu Jiegou Xuebao/Journal of Building Structures | 2022年 / 43卷 / 02期
关键词：
Axial compression test; Bearing capacity; Fiber model method; Limit equilibrium theory; Steel-bamboo I-section composite column;
D O I：
10.14006/j.jzjgxb.2020.0077
中图分类号：
学科分类号：
摘要：
To study the axial compression performance of steel-bamboo I-section composite columns, 18 I-section columns were designed and manufactured. Considering the basic parameters of steel ratio and slenderness ratio, axial compression tests were carried out. The failure mode and deformation characteristics of the specimens were observed, and the influence of each parameter on the axial compression performance of the specimens was analyzed. On the basis of the constitutive relationship of steel and bamboo, the whole load-displacement curves of columns under axial compression were deduced by using the fiber model method. By analyzing the yield condition of the composite column, the formula for predicting the yield bearing capacity was proposed, and the calculation method for the ultimate bearing capacity was put forward based on the superposition principle and limit equilibrium theory, then the theoretical values of the bearing capacity were compared with the experimental values. The results show that the composite columns have high integrity, good bearing capacity and deformation capacity, and the failure modes of the specimens are mainly vertical splitting of bamboo plates, degumming of bonding interface and local buckling of steel plates. The compressive bearing capacity increases with the increase of the steel ratio and decreases with the increase of the slenderness ratio. The load-displacement curves obtained from the fiber model method are in good agreement with the experimental curves, which can be applied to analyze the deformation trend of composite columns under axial compression. The relative average error between the theoretical and experimental values of yield and ultimate bearing capacity is less than 10%, which indicates that the established calculation method has high accuracy and is suitable for predicting the bearing capacity of steel-bamboo I-section composite columns. © 2022, Editorial Office of Journal of Building Structures. All right reserved.
引用
收藏
页码：105 / 115
页数：10
相关论文
共 26 条
  • [1] LI Yushun, ZHANG Jialiang, LIU Rui, Et al., Study on bond performance of bamboo-steel interface after long-term loading, Journal of Building Structures, 38, 9, pp. 110-120, (2017)
  • [2] WU Pei, LI Yushun, XU Da, Et al., Multi-objective optimal section design of I-shaped section steel-bamboo composite beam using genetic algorithm, Journal of Building Structures, 41, 1, pp. 149-155, (2020)
  • [3] ZHANG Jialiang, LI Yushun, LIU Rui, Et al., Examining bonding stress and slippage at steel-bamboo interface, Composite Structures, 194, pp. 584-597, (2018)
  • [4] LI Yushun, JIANG Tianyuan, SHAN Wei, Et al., Quasi-static test on steel-bamboo composite beam-column exterior joints, Engineering Mechanics, 30, 4, pp. 241-248, (2013)
  • [5] LI Yushun, YAO Jian, LI Ran, Et al., Thermal and energy performance of a steel-bamboo composite wall structure, Energy and Buildings, 156, pp. 225-237, (2017)
  • [6] LI Yushun, ZHANG Jialiang, State of the art of steel-bamboo composite components and structural system, Industrial Construction, 46, 1, pp. 1-6, (2016)
  • [7] HAN Linhai, YANG Youfu, Study on axial bearing capacity of concrete-filled-steel-tube columns with rectangular section, China Civil Engineering Journal, 34, 4, pp. 22-31, (2001)
  • [8] ZHU Hefei, WANG Qingli, LIU Yang, Analysis about load-deformation relationship on the concentrically compressed concrete filled circular CFRP-steel tubular stub columns, Journal of Shenyang Jianzhu University (Natural Science), 24, 1, pp. 86-90, (2008)
  • [9] YAO Guohuang, LI Yongjin, LIAO Feiyu, Behavior of concrete-filled steel tube reinforced concrete columns subjected to axial compression, Journal of Building Structures, 34, 5, pp. 114-121, (2013)
  • [10] VARMA A H, SAUSE R, RICLES J M, Et al., Development and validation of fiber model for high-strength square concrete-filled steel tube beam-columns, ACI Structural Journal, 102, 1, pp. 73-84, (2005)
123