The new European Standard for unfired Pressure Vessels

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The new European Standard for unfired Pressure
Vessels
Treatment of Nonpressure loads Paper XI-812-04
EN 13445, part 3 Design
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EN13445-3 DESIGN OF PRESSURE VESSELS
Clause 16 Additional non-pressure loads
LOCAL LOADS ON NOZZLES IN SPHERICAL , CONICAL AND
CYLINDERICAL SHELLS LINE LOADS ON
SHELLS - LIFTING LUGS HORIZONTAL VESSELS ON
SADDLE SUPPORTS HORIZONTAL VESSELS ON RING
SUPPORTS VERTICAL VESSELS ON BRACKET
SUPPORTS VERTICAL VESSELS WITH SUPPORTING
LEGS VERTICAL VESSELS WITH SKIRTS VERTICAL
VESSELS WITH RING SUPPORTS GLOBAL LOADS ON
CYLINDRICAL SHELLS
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EN13445-3 DESIGN OF PRESSURE VESSELS
LOCAL LOADS
Nozzles in spherical shells

• - Base of calculation limit analysis
• - Maximum allowable loads

with
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EN13445-3 DESIGN OF PRESSURE VESSELS
LOCAL LOADS
Nozzles in spherical shells

- Load ratios
- Interaction
- Check global longitudinal loading in the
nozzle
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EN13445-3 DESIGN OF PRESSURE VESSELS
LOCAL LOADS
Nozzles in cylindrical shells
- approx. limit load approach ( use of curves
from WRCB 297)
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EN13445-3 DESIGN OF PRESSURE VESSELS
LOCAL LOADS
Nozzles in cylindrical shells
- E.g. determination of Fz,max
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EN13445-3 DESIGN OF PRESSURE VESSELS
LOCAL LOADS
Nozzles in cylindrical shells
- Load ratio
- Interaction
- Check global longitudinal loading in the
nozzle
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LOCAL LOADS
Lifting lugs
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EN13445-3 DESIGN OF PRESSURE VESSELS
LOCAL LOADS
Horizontal vessels on saddle supports
Method - Elastic analysis (Zick - see CODAP,
BS 5500, ASME ) - Limit analysis (see TGL et
AD-Merkblatt)
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EN13445-3 DESIGN OF PRESSURE VESSELS
LOCAL LOADS
Horizontal vessels on ring supports
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LOCAL LOADS
Vertical vessels on supporting legs
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LOCAL LOADS
Vertical vessels on bracket supports