Dynamic behaviour of submarine pipelines under laying operation

Journal Article · Wed Dec 01 04:00:00 EST 1982 · J. Energy Resour. Technol.; (United States)

DOI:https://doi.org/10.1115/1.3230421· OSTI ID:6274832

Suzuki, N; Jingu, N

Theoretical and experimental study on dynamic behavior of submarine pipelines under laying operation with articulated stingers is described in this paper. Wave response tests in regular waves and forced oscillation tests in still water were conducted using the 1/20 scale model of 406.4 mm o.d. pipeline laid in 150 m water depth. The results show that: the maximum dynamic bending moment of pipeline M /SUB D/ max occur at a stinger roller, dynamic bending moment of pipelines M /SUB D/ at shorter periods are larger than those at longer periods. the values of M /SUB D/ in an over-bend region depend highly upon stinger motion, those of M /SUB D/ in a sag-bend region are less than M /SUB D/ max in an over-bend region, the values of M /SUB D/ /HM /SUB Y/ increase as the stinger volume increases and that stinger motion at shorter periods are different from those at longer periods.

• Research Organization: Technical Research Center, Nippon Kokan, K.K., Kawasaki
• OSTI ID: 6274832
• Journal Information: J. Energy Resour. Technol.; (United States), Journal Name: J. Energy Resour. Technol.; (United States) Vol. 104:4; ISSN JERTD
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420205* -- Engineering-- Transport & Storage Facilities-- (1980-)
423000 -- Engineering-- Marine Engineering-- (1980-)
BARGES
BENDING
DYNAMICS
INSTALLATION
MECHANICAL STRUCTURES
MECHANICS
PIPELINES
SCALE MODELS
STRUCTURAL MODELS
SUPPORTS
WAVE FORCES