7ASTM C1018-97 Standard test method for flexural toughness and first-crack strength of fiber-reinforced concrete(using beam with third-point loading)[S].
8Nataraja M C,Dhang N,Gupta A P.Toughness characterization of steel fibe-reinforced concrete by JSCE approach[J].Cement and Concrete Research,2000,30:593-597.
9ASTMC 1202-97 Standard Test Method for Electrical Indication of Concrete's Ability to Resist Chloride Ion Penetration[S].