6Somsak Swaddiwudhipong,H.R.Lu,T.H.Wee.Direct tension test and tensile strain capacity of concrete at early age.Cement and Concrete Research[J].Cement and Concrete Research,2003(33):2077-2084.
7Raphael J.M.,Tensile Strength of Concrete[A].ACI Journal,Proceedings,1984,80(2):158-165.
8Popovics S.,Chapter 2:Other Concrete Strengths,Strength and Related Properties of Concrete-A Quantitative Approach[M].Hohn Wiley and Sons,Inc.,New York,1998:102-165.
9Saito M.,Imai S.,Direct tensile Fatigue of Concrete By the Use of Friction Grips[A].ACI Journal,Proceedings,1983,80(5):431-437.
10Gopalaratnam V.S.,Shah S.P.,Softening Response of Plain Concrete in Direct Tension[A].ACI Journal,Proceedings,1985,82(3):310-323.
