从各类钢纤维对混凝土的增强效果来看，则以切断纤维、冷轧钢板剪切纤维和加工硬度较大的铣削纤维比较好。

From the reinforcement effect of various kinds of steel fiber on concrete, it is better to cut fiber, cold rolled steel plate shear fiber and milling fiber with higher hardness.