| 混凝土塑性损伤模型损伤因子研究及其应用 |
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| 引用本文： | 郭明. 混凝土塑性损伤模型损伤因子研究及其应用[J]. 华中科技大学学报(城市科学版), 2011, 28(3) |
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| 作者姓名： | 郭明 |
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| 作者单位： | 深圳市市政设计研究院有限公司,广东深圳,518029 |
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| 摘 要： | 在有限元软件ABAQUS中,为混凝土材料定义了一种材料模型:塑性损伤模型,它可以模拟混凝土材料的拉裂和压碎等力学现象,而且使用也较为方便.本文基于能量损失原理,编制相关的计算程序,获得了现行《混凝土结构设计规范》提供的混凝土受压和受拉应力-应变关系曲线对应的混凝土损伤因子随应变增长的变化曲线.基于本文的研究成果,介绍了损伤因子在钢筋混凝土构件、新型钢管混凝土-钢筋混凝土梁节点和整体结构弹塑性分析中的应用实例.本文的有关论述和方法可为同类研究提供参考.
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| 关 键 词： | 塑性损伤模型 损伤因子 受压损伤 受拉损伤 有限元 |
Research and Applicationof Damage Factor in Concrete Plastic-Damage Model |
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| GUO Ming. Research and Applicationof Damage Factor in Concrete Plastic-Damage Model[J]. Journal of Huazhong University of Science and Technology, 2011, 28(3) |
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| Authors: | GUO Ming |
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| Affiliation: | GUO Ming (Shenzhen Municipal Design and Research Institute Co Ltd,Shenzhen 518029,China) |
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| Abstract: | In the FEA software of ABAQUS,a material model of plastic-damage model is def ined for concrete.It can simulate the typical mechanics behaviour of concrete s uch as crack and crush,and can be used conveniently.Based on energy loss theor y,relevant calculation program was developed to obtain damage factor correspond to concrete compression and tension stress versus strain relationship curves in Code for design of concrete structures.Based on the results in this paper, applications of damage factor in R.C.mem... |
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| Keywords: | plastic-damage model damage factor compre ssion damage tension damage FEA |
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