Experiences with strain based limit state design in The Netherlands
conference paper
Limit state design differs from conventional design methods in that each failure mode is specifically addressed (e.g. burst, collapse, local buckling, fracture due to insufficient strain capacity of the pipe wall, fatigue). Based on an extensive theoretical and experimental research programme, guidelines for limit state design of buried pipelines were presented in The Netherlands in 1986 (TGSL-1986). Later research programmes were focused on offshore pipelines as well. In the Dutch pipeline code NEN 3650 (1992), limit state design is adopted. In the paper, a summary is given of the above mentioned research programmes, the rules in NEN 3650 and recent developments in international standards (CEN). In the general purpose finite element computer programme DIANA (1993), a pipeline module is available which enables an easy and cost effective application. Examples of practical applications are discussed. The advantages, especially in fitness for purpose evaluations are highlighted.
TNO Identifier
329174
Source title
ASPECT '96, Aberdeen, Scotland, UK, 27-28 November 1996
Collation
24 p.
Files
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