| 水泥混凝土疲劳破坏的损伤力学分析 |
| |
| 引用本文： | 张演生,吴科如.水泥混凝土疲劳破坏的损伤力学分析[J].同济大学学报(自然科学版),1989,17(1):59-70. |
| |
| 作者姓名： | 张演生 吴科如 |
| |
| 作者单位： | 同济大学材料科学与工程系，同济大学材料科学与工程系 |
| |
| 摘 要： | 本文从热力学基本定律出发,采用连续介质力学方法推导出三维损伤方程,把其推广到混凝土弯曲条件下的疲劳损伤状态,定出损伤变量与疲劳寿命的关系式,提出并定量地确定初始疲劳损伤(零循环损伤)和临界疲劳损伤,并采用无损探测方法验证了损伤力学的适用性。
|
| 关 键 词： | 混凝土 疲劳 损伤力学 |
Fatigue Rupture of Cement Concrete Analysed by Damage Mechanics |
| |
| Zhang Binsheng Wu keru.Fatigue Rupture of Cement Concrete Analysed by Damage Mechanics[J].Journal of Tongji University(Natural Science),1989,17(1):59-70. |
| |
| Authors: | Zhang Binsheng Wu keru |
| |
| Institution: | Zhang Binsheng Wu keru Department of Materials Science and Engineering |
| |
| Abstract: | In this paper, based on basic thermodynamic laws and continuous medium mechanics, a three-dimensional damage equation suitable to the fatigue damage stage of concrete under bending has been put foward so that the relationship between damage parameters and repeated cycles could be obtained. Meanwhile, the initial fatigue damage(zero-cycle damage)and critical fatigue damage have been proposed and determined quantitatively. Besides, non-destructive detect technique has been used to verify the suitability of damage mechanics to concrete. |
| |
| Keywords: | Concrete Fatigue Injuries-Mechanics |
| 本文献已被 CNKI 维普 等数据库收录！ |
