计静;张云雷;张文福;袁朝庆;刘迎春;王树伟;徐松芝;

• 1:东北石油大学黑龙江省防灾减灾工程与防护工程重点实验室

• 2:香港理工大学土木与环境工程系

摘要(Abstract)：

以套箍系数、混凝土等级和钢材屈服强度为控制参数,设计15根剪跨比为1.5的角钢套箍高强混凝土轴压短柱;基于简化的钢材本构模型和考虑套箍效应的约束高强混凝土本构模型,采用ANSYS有限元软件进行数值仿真分析,通过与实验数据对比验证有限元建模的合理性;考察不同套箍系数、混凝土强度等级和角钢屈服强度等级对角钢套箍高强混凝土轴压短柱力学性能的影响;考虑缀板对混凝土的套箍效应,引入缀板影响因数,利用1stopt软件反演影响因数与套箍系数之间线性关系,建立角钢套箍高强混凝土轴压短柱极限承载力计算表达式,提出轴压短柱的设计方法与施工建议。结果表明,套箍系数比其他参数对轴压短柱的承载力和延性的影响更加显著,为该短柱在新建和改造工程中的应用奠定基础。

关键词(KeyWords)：角钢套箍高强混凝土;轴压;短柱;套箍系数;承载力;设计建议

Abstract:

Keywords:

基金项目(Foundation):教育部高等学校博士学科点专项科研基金项目(新教师类:20122322120004);; 黑龙江省自然科学基金面上项目(E201336);; 国家自然科学基金项目(51178087);; 黑龙江省级领军人才梯队后备带头人资助项目;; 东北石油大学青年骨干出国研修项目

作者(Author):计静;张云雷;张文福;袁朝庆;刘迎春;王树伟;徐松芝;

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