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叙述了水泥基复合材料从微观裂缝发生到断裂形成的一个计算机模拟系统.该系统主要是通过把骨料和水泥基分别看成具有不同性质的构造单元考虑水泥基复合材料的非均质性;用弹簧元法的单元形状任意性与变位不连续性模拟其构造上的随机性及其断裂形成过程.并以数值模拟混凝土试件的拉伸断裂和压缩断裂为例,探讨材料的裂缝细观进展机理及其和宏观力学特性的关系.

参考文献

[1] Van Mier J G M. Fracture processes of concrete [M]. CRC Press, 1997. 337-387.
[2] Schlangen E, Van Mier J G M. Simple lattice model for numerical simulation of concrete materials and structures [J]. Materials and Structures, 1992, 25: 534-542.
[3] Jirasek M, Bazant Z P. Particle model for fracture and statistical micro-macro correlation of material constants [A]. In: Wittmann F H. Proc 2nd Int Conf on Fracture Mechanics of Concrete Structures [C]. Switzerland, 1995. 955-964.
[4] Hikosaka H, Bolander J, Liu Y. Multiple event lattice model for simulating concrete tensile fracture [J]. Journal of Structural Engineering, JSCE, 1995, 41(A): 393-399.
[5] Witold B, Jean-Pierre D, Bennett L F. Construction of Voronoi polyhedra [J]. Journal of Computational Physics, 1978, (29): 81-92.
[6] Liu Y, Hikosaka H, Bolander J. Modelling compressive failure using rigid particle systems [A]. In: Wittmann F H. Proc 2nd Int Conf on Fracture Mechanics of Concrete Structures [C]. Switzerland, 1995. 375-382.
[7] Kawai T. New element models in discrete structural analysis [J]. Journal of the Society of Naval Architects of Japan, 1977, (141): 174-180.
[8] Hsc T T C, Slate F O. Tensile bond strength between aggregate and cement paste or mortar [J]. J Am Concrete Inst, 1963, 60: 465-486.
[9] Otsuka K, Katube H. Influences of aggregate size on the behavior of fracture process zone in concrete [J]. Journal of Struct Mech Earthquake Eng JSCE, 1993,(478): 109-116.
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