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DNV-OS-C105 Structural Design of TLPS (LRFD method)
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Sec.2
C. Material Selection
Sec.2
C 100 General
Sec.2 C
101 Material specifications shall be established for all structural
materials. Such materials shall be suitable for their intended purpose
and have adequate properties in all relevant design conditions.
Material selection shall be undertaken in accordance with the principles
given in DNV-OS-C101.
Sec.2 C
102 Examples of considerations with respect to structural categorisation
of tendons and tendon interfaces are given in the Figure 1 and Figure
2. These examples provide minimum requirements.
Sec.2 C
103 Material selection is defined in DNV-OS-C101.Further detailed information about material designation is
defined in DNV-OS-B101.
Sec.2 C
104 Composite materials shall be designed in accordance with DNV-OS-C501.
Sec.2
C 200 Design temperatures
Sec.2 C
201 For TLPs, materials in structures above the lowest astronomical
tide (LAT) shall be designed for service temperatures lower or equal
to the lowest daily mean temperature in air for the area(s) where
the unit is to operate.
Sec.2 C
202 Materials in structures below the LAT are normally to be designed
for service temperatures of 0°C. A higher service temperature may
be used if adequate supporting data shows relative to the lowest
daily mean temperature applicable to the relevant actual water depths.
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