Allow for economy and properties, this paper selects steel fiber and propylene fiber to jumble at small addition (by volume), and makes orthogonal experiment and contrast experiment.

• 在考虑经济性与性能并重的基础上，选择了聚丙烯纤维与钢纤维混杂，并采用低掺量，进行了正交试验及对比试验等大量试验。