| 老化粘弹性蠕变本构方程中的热力学条件 |
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| 引用本文： | 刘光廷, 高虎, 胡昱. 老化粘弹性蠕变本构方程中的热力学条件[J]. 固体力学学报, 2003, 24(2): 205-210. doi: 10.3969/j.issn.0254-7805.2003.02.011 |
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| 作者姓名： | 刘光廷 高虎 胡昱 |
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| 作者单位： | 清华大学水利水电工程系,北京,100084; 清华大学水利水电工程系,北京,100084; 清华大学水利水电工程系,北京,100084 |
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| 基金项目： | 清华大学“985”重点项目基金(082100100) |
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| 摘 要： | 针对具有"老化"特性的粘弹性材料,从不可逆热力学角度给出了其本构关系应该满足的条件;以混凝土材料为例,对某些蠕变关系式进行探讨,指出了老化材料蠕变方程应该满足的关系.
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| 关 键 词： | 热力学 本构模型 粘弹性 蠕变 老化 |
| 修稿时间： | 2001-08-22 |
THERMODYNAMIC REQUIREMENTS FOR THE CREEP CONSTITUTIVE EQUATIONS OF AGEING VISCO-ELASTIC MATERIALS |
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| THERMODYNAMIC REQUIREMENTS FOR THE CREEP CONSTITUTIVE EQUATIONS OF AGEING VISCO-ELASTIC MATERIALS[J]. Chinese Journal of Solid Mechanics, 2003, 24(2): 205-210. doi: 10.3969/j.issn.0254-7805.2003.02.011 |
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| Authors: | Liu Guangting Gao Hu Hu Yu |
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| Affiliation: | Liu Guangting,Gao Hu,Hu Yu Department of Hydraulic Engineering,Tsinghua University,Beijing,100084 |
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| Abstract: | Based on the non-reversible processes, the thermodynamic requirements are presentedon the constitutive equations of visco-elastic materials, showing "ageing" properties. Further investiga-tions are carried out onto some of the creep compliance functions of the ageing concrete. The limitationsare also indicated. |
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| Keywords: | thermodynamics constitutive model visco-elastic creep ageing |
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