| 单向应力状态下钢材高温分析的损伤模型 |
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| 引用本文： | 曹文衔,董宝.单向应力状态下钢材高温分析的损伤模型[J].上海力学,1998,19(2):136-140. |
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| 作者姓名： | 曹文衔 董宝 |
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| 作者单位： | 同济大学，同济大学，同济大学 上海 200092，上海 200092，上海 200092 |
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| 基金项目： | 国家基础研究和应用基础研究重大项目:重大土木及水利工程安全性与耐久性的基础研究课题资助 |
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| 摘 要： | 本文结合结构钢材火灾高温分析的特点，通过对Ｌｅｍａｉｔｒｅ关于常温下金属材料延性损伤模型和修改，提出一种适用应力状态下钢材高温分析的损伤模型，为进行钢框架在火灾高温作用下及火灾冷却后的２和损伤分析提供可能性。
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| 关 键 词： | 结构钢材 高温 单向应力 损伤模型 钢结构 |
A MATERIAL DAMAGE MODEL FOR STRUCTURAL STEEL UNDER UNIAXIAL STRESS AND HIGH TEMPERATURE IN FIRE |
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| Cao Wenxian Dong Bao Shen Zuyan.A MATERIAL DAMAGE MODEL FOR STRUCTURAL STEEL UNDER UNIAXIAL STRESS AND HIGH TEMPERATURE IN FIRE[J].Chinese Quarterly Mechanics,1998,19(2):136-140. |
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| Authors: | Cao Wenxian Dong Bao Shen Zuyan |
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| Abstract: | Based upon Lemaitre' s ductile damage model for metallic material and the characteristics of the problem concerned, a material damage model is proposed in this paper for structural steel under u-niaxial stress and high temperature in fire, by which a possible way is provided to analyze the behavior and damage cumulation of steel frames during and after fire. |
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| Keywords: | structural steel high temperature uniaxial stress damage model |
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