Failure Assessment for the High-Strength Pipelines with Constant-Depth Circumferential Surface Cracks

Table 3

Tabulated values of h₁ for thin-walled pipes under tension.

n	D/t	θ/π	a/t
			0.1	0.2	0.3	0.4
10	50	0.01	0.6401	1.673	3.187	4.886
		0.08	0.6904	2.454	6.738	12.31
	100	0.01	0.6975	2.322	5.442	9.957
		0.04	0.7293	2.995	9.171	19.98
15	50	0.01	0.6895	1.858	3.651	5.689
		0.08	0.7281	2.744	7.354	11.87
	100	0.01	0.7651	2.707	6.594	11.74
		0.04	0.7944	3.592	11.36	20.83
20	50	0.01	0.7351	2.008	4.006	6.322
		0.08	0.7545	3.011	8.066	11.66
	100	0.01	0.8225	3.034	7.539	13.13
		0.04	0.8437	4.135	13.19	22.37