Romualdi J.P. and Batson G. B. The behavior of reinforced concrete beams with closely placed reinforcement [J]. ACI Journal, 1963,60: 775-789.
[3]
Romualdi J.P. and Mandel J. A.Tensile strength of concrete affected by uniformly distributed and closely spaced short lengths of wire reinforcement[J]. ACI Journal, 1964,61: 657-671.
[4]
Cotterell B. and Mai Y. W. Fracture Mechanics of Cementitious Materials[M]. Blackie Academic and Professional, Chapman and Hall, 1996.
[5]
Bazant, Z. P. Fracture Mechanics of Concrete Structures- [M]. Elsevier Applied Science, London and New York, 1992, 109-113.
[6]
Lenain J. C. and Bunsell A. R. The resistance to crack growth of asbestos cement[J]. Journal of Materials Science, 1979,14: 321-332.
[7]
Sih, G.C. Handbook of Stress Intensity Factor[R]. Lehigh University, 1973.
