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1 m/s、5 m/s和50 m/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.
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