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DNV-OS-C502 Offshore Concrete Structures
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Sec.6
A 100 Introduction
Sec.6 A
101 This detailed Standard for design of Offshore Concrete Structures
is prepared based on more than 30 years experience with design of
Offshore Concrete Structures. These structures can be any type of
structure (gravity based and floating) including shell type structures
exposed to extreme environmental wave loading.
Sec.6 A
102 The first DNV Standard for Design of Concrete Offshore Structures
for Oil Production Platforms was issued in 1974. This Standard was
later updated in 1977 and 1992. The latest issue of Norwegian Standard
NS3473 rev. 5 "Concrete Structures - Design Rules" was
issued in November 1998. The DNV Fixed Offshore Rule and NS3473 have with time developed
in similar trends. This revision of the DNV Standard is based on
both these standards.
Sec.6 A
103 The experience using the above set of Standards for detailed
design of Reinforced and Prestressed Concrete in North Sea Structures
has been very good related to strength and durability.
Sec.6 A
104 Other design standards may as an alternative be used for detailed
design of Offshore Concrete Structures due to local preferences.
An opening is made for this within this standard provided the requirements
to the detailed standard given in Appendix
E "Use of Alternative Detailed Design Standard" are
sufficiently covered. The level of safety shall be as required by
this standard. The compliance with this requirement shall be documented.
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