Numerical Simulation Analysis on Mechanical Behavior of Axially Loaded Reactive Powder Concrete Filled Steel Tube Short Columns

王秋维; 王杨; 张春尧; 何晗欣

doi:10.13409/j.cnki.jdpme.2019.03.007

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Numerical Simulation Analysis on Mechanical Behavior of Axially Loaded Reactive Powder Concrete Filled Steel Tube Short Columns

更新时间：2025-12-11

- Numerical Simulation Analysis on Mechanical Behavior of Axially Loaded Reactive Powder Concrete Filled Steel Tube Short Columns
- Vol. 39, Issue 3, Pages: 421-429(2019)
- 作者机构：
- 作者简介：
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- DOI：10.13409/j.cnki.jdpme.2019.03.007
  CLC： U398.9
- Published：2019
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[1]王秋维,王杨,张春尧,何晗欣.基于ABAQUS的钢管活性粉末混凝土短柱轴压受力性能研究[J].防灾减灾工程学报,2019,39(03):421-429.

王秋维, 王杨, 张春尧, et al. Numerical Simulation Analysis on Mechanical Behavior of Axially Loaded Reactive Powder Concrete Filled Steel Tube Short Columns[J]. 2019, 39(3): 421-429.
[1]王秋维,王杨,张春尧,何晗欣.基于ABAQUS的钢管活性粉末混凝土短柱轴压受力性能研究[J].防灾减灾工程学报,2019,39(03):421-429. DOI： 10.13409/j.cnki.jdpme.2019.03.007.

王秋维, 王杨, 张春尧, et al. Numerical Simulation Analysis on Mechanical Behavior of Axially Loaded Reactive Powder Concrete Filled Steel Tube Short Columns[J]. 2019, 39(3): 421-429. DOI： 10.13409/j.cnki.jdpme.2019.03.007.

摘要

基于ABAQUS工作平台

建立已完成的钢管活性粉末混凝土（RPC）短柱试验试件的有限元模型

对其轴压荷载作用下的受力性能进行分析

将数值计算所得破坏形态、荷载—应变曲线、极限承载力与试验结果进行对比

两者吻合较好。基于此

进一步对钢管和RPC应力—应变曲线进行分析

探讨钢材强度、含钢率和RPC强度对柱轴压性能的影响。结果表明:随着钢材强度和含钢率增加

短柱的极限承载力和残余承载力提高

延性性能改善;RPC强度增加时

试件的极限承载力提高而残余承载力变化不大。最后

根据极限平衡理论建立短柱轴压承载力计算公式

其在0.18<ξ<2.62范围内适用性较好

可为工程设计提供参考。

Abstract

Numerical models of reactive powder concrete（RPC）filled steel tube short column specimens are established using the finite element analysis software ABAQUS.The mechanical behavior of columns under axial compression is analyzed

and the failure patterns

load-strain curves

and ultimate bearing capacity obtained from numerical analysis are compared with experimental results.The calculated results are in good agreement with the experimental data.Stressstrain curves of the steel and RPC are analyzed

and the effects of steel strength

steel ratio

and RPC strength on the axial compression properties of columns are discussed.The results indicate that with the increasing of steel strength and steel ratio

the ultimate and residual bearing capacity and ductility of short columns are enhanced.With the increase of RPC strength

the ultimate bearing capacity is improved and the residual capacity changes slightly.Finally

the formula to calculate the bearing capacity of axially loaded short columns is established according to the limit equilibrium theory

which has a good applicability when the confinement coefficientξis between0.18 and 2.62

which could provide reference for engineering design.

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references

RPC中空受压构件截面设计及受力性能研究 [J]. 杨克家,孙林柱,李桅,陈联盟,谢子令. 工程力学 . 2016(05)

考虑界面黏结与尺寸效应的钢管活性粉末混凝土短柱轴压承载力统一解 [J]. 朱倩,赵均海,张常光,孙珊珊. 工业建筑 . 2016(02)

3种不同钢管混凝土本构关系模型研究 [J]. 吴文平,黄炳生,樊建慧. 四川建筑科学研究 . 2009(06)

圆钢管活性粉末混凝土轴压力学性能研究 [J]. 林震宇,吴炎海,沈祖炎. 建筑结构学报 . 2005(04)

钢管活性粉末混凝土柱受压性能试验与理论研究 [D]. 罗华. 北京交通大学 2015

钢管活性粉末混凝土柱的力学性能研究 [D]. 冯建文. 清华大学 2008

Mechanical properties of ultra-high-performance fiber-reinforced concrete: A review [J] . Doo-Yeol Yoo,Nemkumar Banthia. Cement and Concrete Composites . 2016

Composition of reactive powder concretes [J] . Pierre Richard,Marcel Cheyrezy. Cement and Concrete Research . 1995 (7)

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