3DNV RPF107-2001, Risk Assessment of Pipeline Protection[S].
4Katteland L H, Oygarden B. Risk analysis of dropped objects for deep water development[A]. Proc. of 14th OMAE[C]. Copenhagen:OMAE, 1995. 443-450.
5Jensen J J. Impact Strength of Concrete Coating on Pipeline [R]. Trondheim: SINTEF, 1978.
6Bjomoy O H, Rengard O. Residual strength of dented pipelines, DNV test results[A] . 10th International Offshore and Polar Engineering Conference [C], 2000. 11,182-188.
7Estefen S F, Netto T A, Alves T M J. Residual strength of damaged offshore pipelines. Pipeline Technology, ASME, 1992 OMAE, V: 233-238.
8Ellinas C P, Walker A C. Damage on offshore tubular bracing mambers, IBASE Colloquium, Copenhagen, 1983.
