The formulation of CMC and silica fume used respectively in the amount of 0.8% and 15% by weight of cement and silica fume is proposed.

• 当CMC掺量为0.；8%25；硅灰掺量为15%25时；CMC和硅灰的共同作用使变动系数最小；此时碳纤维在水泥基体中分散性最好；为最佳的分散剂配比。