Q225钢材损伤变量研究
Research on Damage Index of Steel Q225

作者: 王 雷 :同济大学土木工程学院,上海;

关键词: Q225钢材低周反复加载损伤变量Q225 Steel Low-Cycle Cyclic Loading Damage Index

摘要:

损伤变量是描述材料、构件或结构劣化程度的变量。首先对不同的损伤变量模型进行了评述,并选择适用于Q225钢材的损伤变量模型,基于Q225钢材单调拉伸和低周疲劳反复加载试验的结果,对所选择的损伤变量模型进行了修正,提出了合理的权重系数b,为Q225钢材在低周反复加载下力学性能的后续研究提供了基础。

Abstract:
Damage index describes the damage situation of materials, members and structures. Various damage index models were reviewed and the model suitable for Q225 steel materials was selected. Based on the result of monotonic loading tests and low-cycle cyclic loading tests on steel Q225, the selected damage index model was modified with the suggested weighting coefficient β. This provides the basis for further research on steel Q225.

文章引用: 王 雷 (2014) Q225钢材损伤变量研究。 土木工程, 3, 59-66. doi: 10.12677/HJCE.2014.33008

参考文献

[1] 欧进萍, 吴波 (1992) 结构概率累积损伤的理论和应用. 结构工程科学发展青年专家研讨会, 哈尔滨, 82-88.

[2] Park, Y.J. and Ang, A.H.S. (1985) Mechanistic seismic damage model for reinforced concrete. Journal of Structural Engineering, 111, 722-739.

[3] Park, Y.J., Ang, A.H.S. and Wen, Y.K. (1985) Seismic damage analysis of reinforced concrete buildings. Journal of Structural Engineering, 111, 740-757.

[4] Kunnath, S.K., Reinhorn, A.M. and Lobo, R.F. (1992) IDARC Version 3.0: A program for the inelastic damage analysis of R/C structures. Technical Report NCEER-92-0022, National Center for Earthquake Engineering Research, State University of New York, Buffalo.

[5] 欧进萍, 牛荻涛, 王光远 (1990) 多层非线性抗震钢结构的模糊动力可靠分析与设计. 地震工程与工程振动, 4, 27-37.

[6] Shen, Z.Y. and Dong, B. (1997) An experimental-based cumulative damage mechanics model of steel under cyclic loading. Advances in Structural Engineering, 1, 39-46.

分享
Top