Effect of Couple Stresses on the Stress Intensity Factors for Two Parallel Cracks in an Infinite Elastic Medium under Tension

Table 1

Values of 𝐾_𝐼/(𝑝√𝜋𝑎) for ℎ/𝑎=5.0. (Values in parentheses were obtained from the diagram in [4]).

𝑙/𝑎	0.1	0.2	0.5	1.0
𝐾𝐼/(𝑝√𝜋𝑎)	1.238	1.209	1.122	1.061
	(1.231)	(1.202)	(1.120)	(1.063)