Concrete Damage Parameter and its Size Effect


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Damage parameter of concrete is widely used in design and construction of concrete structures. An experimentation method has been designed, which can simulate the initial damage by mixed initiator into concrete. Damage parameter can be obtained in laboratory with standard specimens. But practical structure is very large. It is not rational to use this parameter in practical structures. So size effect on damage parameter is studied. It is concluded that initial damage and summit damage grow with the increase of structure size, but the growth rate becomes gentle with size increasing. When the size is larger than 500 mm×500 mm, the growth rate is less than 15‰, so the results obtained from specimen in 500 mm×500 mm can be used for mass concrete structures.



Key Engineering Materials (Volumes 348-349)

Edited by:

J. Alfaiate, M.H. Aliabadi, M. Guagliano and L. Susmel




X. D. Wang et al., "Concrete Damage Parameter and its Size Effect", Key Engineering Materials, Vols. 348-349, pp. 369-372, 2007

Online since:

September 2007




[1] Wang Xiangdong, Xu Daoyuan, Wang Zhenbo, Deng Aiming, Zhu Weixuan: Damage Simulation Finite Element Equation of Large Concrete Structures. Key Engineering Materials. Vol. 274(2004), p.105.


[2] Xu Daoyuan: Statistical Theory of Brittle Rupture and Size Effect on Fracture Toughness of Concrete, Journal of East China Technical University of Water Resources. Vol. 12 (1984), p.12-p.20.

[3] Deng Aimin: Studying of Damage of Concrete, Master' Degree Thesis, Hohai University (2001), p.20-p.24.

[4] Wang Xiangdong, Xu Daoyuan, Zhou Dong, Deng Aiming: Size Effect on Concrete Damage Parameter. Journal of Hefei University of Technology. Vol. 27 (2005), p.627-p.630.

[5] W. Weibull, A Statistical theory of the strength of materials. Ingvef Akad, StocKholm, Handrlngar, (1939), p.151.

[6] Design Code for Hydraulic Concrete Structure, (SL/T191-96)(in Chinese), Water and Electricity Power Press of China. (1996).

[7] Yu Tianqin, Qian Jicheng: Damage Theory and its Application (in Chinese), Press of National Defence and Industry (1993), p.40-p.41.