| 摘要: |
| 通过试验与分析，建立了再生混凝土弹性模量与其疲劳强度的回归公式，结果表明：由该回归公式计算出的再生混凝土受压疲劳强度与试验结果接近，可用来预测再生混凝土的受压疲劳强度，并指导工程实践；初步验证了GB 50010—2002《混凝土结构设计规范》中普通混凝土受压疲劳强度的取值方法对再生混凝土同样适用. |
| 关键词: 再生混凝土 受压 弹性模量 疲劳强度 |
| DOI：10.3969/j.issn.1007 9629.2012.02.022 |
| 分类号: |
| 基金项目:教育部新世纪优秀人才支持计划（NCET 06 0383）；“十一五”国家科技支撑计划项目（2008BAK48B03） |
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| On Fatigue Strength of Recycled Aggregate Concrete Based on Its Elastic Modulus |
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LI Hong, XIAO Jian zhuang
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Department of Building Engineering, Tongji University, Shanghai 200092, China
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| Abstract: |
| Based on the experiments and analysis, the relationship between the elastic modulus and the fatigue strength of recycled aggregate concrete(RAC) was established. The compressive fatigue strength calculated according to the formula suggested by this investigation is close to the experimental results, a reliable prediction for the compressive fatigue strength of RAC can be used to guide the engineering practice. And it is confirmed from this study that the method in code for GB 50010—2002 〈Design of Concrete Structures〉 is suitable for the calculation of the compressive fatigue strength of RAC. |
| Key words: recycled aggregate concrete(RAC) compressive elastic modulus fatigue strength |
