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| 钢筋混凝土结构随机时变强度和刚度的模型及结构抗力分析 | |
| 引用本文： | 韩光东,卢天寿,管昌生.钢筋混凝土结构随机时变强度和刚度的模型及结构抗力分析[J].武汉理工大学学报(交通科学与工程版),2001,25(1):56-59. |
| 作者姓名： | 韩光东 卢天寿 管昌生 |
| 作者单位： | 1. 武汉大学土木建筑工程学院武汉 2. 深圳振业房地产有限公司 3. 武汉理工大学土木工程与建筑学院 |
| 摘 要： | 研究了钢筋混凝土结构时变抗力的多因素影响机制，探讨了钢筋、混凝土材料强度的时变衰减规律，给出了钢筋混凝土构件的随机时变抗力模型。考虑结构刚度的时变性，提出了时变刚度的简化模型，并以高层水塔为例，根据所提出的强度、刚度和抗力随机时变模型对水塔结构构件的时变抗力进行了计算分析。 |
| 关 键 词： | 钢筋混凝土结构 影响机制 随机时变性 强度 刚度 结构抗力 随机时变模型 |
| 修稿时间： | 2000年10月19 |
The Random Time Dependent Strength and Stiffness Model and Their Resistance Analysis of Reinforced Concrete Structure |
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| Han Guangdong,Lu Tianshou,Guan Changsheng.The Random Time Dependent Strength and Stiffness Model and Their Resistance Analysis of Reinforced Concrete Structure[J].journal of wuhan university of technology(transportation science&engineering),2001,25(1):56-59. | |
| Authors: | Han Guangdong Lu Tianshou Guan Changsheng |
| Abstract: | In this paper the multi-factor effect mechanics of resistance on reinforced concrete is studied based on the time-dependent property.The laws of time-dependent growing weak on the materials' strength of reinforcing bar and concrete are discussed.The model of the random time dependent resistance on reinforced concrete structure is given.The simplified structural stiffness model is put forward,which considers the characteristics of time dependent structural stiffness,including short-term and long-term structural stiffness.As an example,it has analyzed time dependent resistance of the component parts of a tall-tower structure based on the model mentioned above. |
| Keywords: | remforced concrete structure effect mechanics randam time dependent strength stiffness resistance |
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