摘要
介绍和推导了MCA方法的数学模型及理论基础,在冲头速度为1m/s、5m/s和50m/s载荷下对325＃水泥混凝土和325＃纯水泥试样的变形过程进行模拟实验.结果表明,花岗岩骨料对裂纹扩展的遏制作用提高了混凝土的力学性能.计算出两种试样在不同冲击载荷下的本构关系曲线.
The relative theory and mathematical model of Movable Cellular Automata (MCA) method were introduced in this paper. Deformation process of the 325# concrete specimen and the 325# pure cement specimen were also simulated by MCA at three different loading rates, 1 m/s, 5 m/s, 50 m/s. The conclusion has been drawn on the basis of the simulation experiment in which the aggregates were added to enhance the properties of concrete materials as blocking up the propagation of cracks and flows. The response functions of the two specimens at the different loading rates are also obtained.
出处
《材料研究学报》
EI
CAS
CSCD
北大核心
2002年第4期399-405,共7页
Chinese Journal of Materials Research
基金
兵器科技预研资助项目33.6.3.4.
