| 高温混凝土的非线性多轴热力学本构模型研究 |
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| 引用本文： | 薛国新,路淼.高温混凝土的非线性多轴热力学本构模型研究[J].江苏大学学报(自然科学版),1996(4). |
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| 作者姓名： | 薛国新 路淼 |
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| 作者单位： | 江苏石油化工学院，江苏理工大学科研处 |
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| 摘 要： | 从混凝土结构材料的弹塑性变形与热应力交互作用角度，研究了材料在高温下应变率与流动定律、粘塑性与塑性加载函数、加卸载准则，得出了一种新的高温混凝土非线性多轴热力学本构模型．
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| 关 键 词： | 混凝土，本构关系，塑性流动理论，载荷分析 |
Study on a Nonlinear Multi-axial Thermal-mechanical Constitutive Model of Concrete at High Temperature |
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| Xue Guoxin, Lu Miao.Study on a Nonlinear Multi-axial Thermal-mechanical Constitutive Model of Concrete at High Temperature[J].Journal of Jiangsu University:Natural Science Edition,1996(4). |
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| Authors: | Xue Guoxin Lu Miao |
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| Institution: | Xue Guoxin; Lu Miao |
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| Abstract: | Considering the interaction of the elastic and plastic deformationwith the thermal stress, the authors study the variation of the strain with theflow at a high temperature, the visco-plastic and plastic loading functions and thecriteria for the loading and unloading of concretes at a high temperature and establish a nonlinear multi-axial thermal-mechanical constitutive model for it. |
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| Keywords: | concrete constitutive relation flow theory loading analysis |
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