|本期目录/Table of Contents|

[1]张 宁,刘永健,李 慧.PBL加劲型矩形钢管混凝土轴压柱局部屈曲性能分析[J].建筑科学与工程学报,2017,34(02):95-102.
　ZHANG Ning,LIU Yong-jian,LI Hui.Local Buckling Performance Analysis of Rectangular Concrete-filled Steel Tubular Axial Compression Column with PBL Stiffeners[J].Journal of Architecture and Civil Engineering,2017,34(02):95-102.
点击复制

PBL加劲型矩形钢管混凝土轴压柱局部屈曲性能分析(PDF)
分享到：

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
34卷
期数:
2017年02期
页码:
95-102
栏目:
出版日期:
2017-03-30

文章信息/Info

Title:
Local Buckling Performance Analysis of Rectangular Concrete-filled Steel Tubular Axial Compression Column with PBL Stiffeners
作者:
张 宁，刘永健，李 慧
西北农林科技大学水利与建筑工程学院
Author(s):
ZHANG Ning, LIU Yong-jian, LI Hui
College of Water Resources and Architectural Engineering, Northwest A＆F University
关键词:
PBL加劲肋; 矩形钢管混凝土; 局部屈曲; 能量法; 临界屈曲系数
Keywords:
PBL stiffener rib;  rectangular concrete-filled steel tube;  local buckling;  energy method;  critical buckling coefficient
分类号:
-
DOI:
-
文献标志码:
A
摘要:
为研究开孔钢板连接件（PBL）加劲肋对矩形钢管混凝土轴压柱局部屈曲性能的影响，用能量法推导钢管屈曲系数计算公式，引入PBL和加劲肋相对刚度计算式并分析二者对屈曲模式的相互作用关系，讨论了PBL加劲型钢管的极限屈曲模式及其极限屈曲系数、最大相对宽厚比限值。结果表明：PBL加劲肋可明显改善钢管局部稳定性，钢管屈曲系数k随着PBL加劲肋刚度增加而增大，直至达到极限屈曲系数42.68；PBL连接件可减小板件纵向屈曲的波长，而加劲肋的影响作用与之相反；设置PBL加劲肋后，钢管的最大相对宽厚比限值可达184，并且板件屈曲后强度随宽厚比的变化曲线下降趋势减缓，强度值随着PBL刚度增加而逐渐提高。
Abstract:
In order to study the effects of PBL stiffener on the local buckling performance of rectangular concrete-filled steel tubular axial compression columns, the calculation formula for buckling coefficient of steel tube was deduced by energy method. The relative stiffness formulas of PBL and stiffener were introduced and the interactions between the two models and buckling modes were analyzed. The ultimate buckling modes and the critical buckling coefficient, the maximum relative width to thickness ratio of PBL steel tube were discussed. The results show that PBL stiffener can improve the local stability of steel tube. The buckling coefficient k increases with the increase of the stiffness of PBL rib until the ultimate buckling coefficient reaches 42.68. The PBL connector can reduce the longitudinal buckling wave length of the plate, and the effect of the stiffener rib is opposite. The maximum relative width to thickness ratio of the steel tube can reach 184 after setting PBL stiffener. The curve change trend of the plate strength with the width to thickness ratio decreases after buckling, and the strength increases gradually with the increase of PBL stiffness.

参考文献/References:

相似文献/References:

[1]程 高,刘永健,邱洁霖,等.PBL加劲型矩形钢管混凝土不等宽T型节点应力集中系数分析[J].建筑科学与工程学报,2014,31(04):74.
　CHENG Gao,LIU Yong-jian,QIU Jie-lin,et al.Analysis of Stress Concentration Factor on Concrete-filled Rectangular Steel Tube T-joints Stiffened with PBL[J].Journal of Architecture and Civil Engineering,2014,31(02):74.
[2]刘永健,李 慧,张 宁.非均匀受压矩形钢管混凝土局部弹性屈曲分析[J].建筑科学与工程学报,2015,32(04):1.
　LIU Yong-jian,LI Hui,ZHANG Ning.Local Elastic Buckling Analysis of Rectangular Concrete-filled Steel Tube Under Non-uniform Compression[J].Journal of Architecture and Civil Engineering,2015,32(02):1.
[3]刘永健,李 慧,张 宁.界面状态对矩形钢管混凝土构件抗弯性能的影响[J].建筑科学与工程学报,2016,33(01):15.
　LIU Yong-jian,LI Hui,ZHANG Ning.Influence of Interface State of Rectangular Concrete-filled Steel Tube on Flexural Performance of Component[J].Journal of Architecture and Civil Engineering,2016,33(02):15.
[4]刘永健,张宁,张俊光.PBL加劲型矩形钢管混凝土的力学性能[J].建筑科学与工程学报,2012,29(04):13.
　LIU Yong-jian,ZHANG Ning,ZHANG Jun-guang.Mechanical Behavior of Concrete-filled Square Steel Tube Stiffened with PBL[J].Journal of Architecture and Civil Engineering,2012,29(02):13.
[5]刘永健,周绪红,刘君平.矩形钢管混凝土K型节点受力性能试验[J].建筑科学与工程学报,2007,24(02):36.
　LIU Yong-jian,ZHOU Xu-hong,LIU Jun-ping.Experiment on Force Performance of Concrete-filled Rectangular Steel Tube K-joints[J].Journal of Architecture and Civil Engineering,2007,24(02):36.
[6]田智娟,刘永健,马印平,等.严寒地区矩形钢管混凝土截面温度分布试验[J].建筑科学与工程学报,2018,35(05):170.
　TIAN Zhi-juan,LIU Yong-jian,MA Yin-ping,et al.Experiment on Temperature Distribution of Rectangular CFST Cross Section in Severe Cold Areas[J].Journal of Architecture and Civil Engineering,2018,35(02):170.
[7]王海涛,刘永健,孙立鹏.基于壁板屈曲后强度的矩形钢管混凝土偏压承载力计算方法[J].建筑科学与工程学报,2022,39(05):41.[doi:10.19815/j.jace.2022.06027]
　WANG Hai-tao,LIU Yong-jian,SUN Li-peng.Calculation Method of Eccentric Bearing Capacity of RCFST Based on Post-buckling Strength of Panels[J].Journal of Architecture and Civil Engineering,2022,39(02):41.[doi:10.19815/j.jace.2022.06027]
[8]刘永健,李 慧,张 宁,等.PBL加劲型矩形钢管混凝土界面粘结-滑移性能[J].建筑科学与工程学报,2015,32(05):1.
　LIU Yong-jian,LI Hui,ZHANG Ning,et al.Interface Bond-slip Performance of Rectangular Concrete-filled Steel Tube Stiffened by PBL[J].Journal of Architecture and Civil Engineering,2015,32(02):1.

备注/Memo

备注/Memo:
更新日期/Last Update: 2017-03-30