圆钢管粉煤灰混凝土短柱轴压试验的数值模拟

摘要/Abstract

摘要： 基于圆钢管粉煤灰混凝土短柱的轴压试验结果，经过回归分析和反复试算，提出了一种适用于有限元法分析的约束粉煤灰混凝土本构关系模型，并通过有限元法分析验证了其有效性.结果表明，所提出的模型不仅适用于圆钢管粉煤灰混凝土的有限元法分析，而且对普通圆钢管混凝土也具有较好的模拟效果.

关键词: , 钢管混凝土, 粉煤灰混凝土, 轴压, 本构关系, 有限元法

Abstract: Based on the experimental study on the circular fly ash concrete filled steel tubular stub columns, a constitutive relation model of confined fly ash concrete for finite element analysis is proposed by regression analysis and repeated calculations. The validity of the constitutive relation model is verified through the finite element method analysis. The constitutive relation model is suitable not only for the numerical analysis of fly ash concrete filled steel tubes, but also for that of ordinary concrete filled steel tubes. The research is helpful for the numerical simulation of fly ash concrete filled steel tubes.

Key words: concrete filled steel tube, fly ash concrete, axial compression, constitutive relation, finite element method (FEM)

中图分类号:

TU 398.9

张扬1,2，陈兵1，赵社戌1，李四平1. 圆钢管粉煤灰混凝土短柱轴压试验的数值模拟[J]. 上海交通大学学报（自然版）, 2017, 51(7): 769-773.

ZHANG Yang1,2,CHEN Bing1,ZHAO Shexu1,LI Siping1. Numerical Simulation of Axially Loaded Circular Steel Tubular
Stub Columns with Fly Ash Concrete Infill[J]. Journal of Shanghai Jiaotong University, 2017, 51(7): 769-773.

参考文献

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