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prБДС EN 1991-1-9:2023
Eurocode 1 - Actions on structures - Part 1-9: General actions - Atmospheric icing
Scope
1.1 Scope of EN 1991-1-9
(1) EN 1991-1-9 gives principles and rules to determine the values of loads due to atmospheric icing to be used for following types of structures:
- masts,
- towers,
- antennas and antenna structures,
- cables, stays, guy ropes, etc.,
- rope ways (cable railways),
- structures for ski-lifts,
- buildings or parts of them exposed to potential icing,
- towers for special types of construction such as for example transmission lines and wind turbines.
NOTE Atmospheric icing on electrical overhead lines is covered by EN 50341-1.
(2) EN 1991-1-9 specifies values for:
- dimensions and weight of accreted ice,
- shapes of accreted ice.
(3) EN 1991-1-9 cover types of icing, ice loads acting on structures, and falling ice considerations.
NOTE Wind actions on iced structures are covered by EN 1991-1-4.
1.2 Assumptions
The assumptions given in FprEN 1990:2022, 1.2 apply to EN 1991-1-9.
Life cycle
NOW
IN DEVELOPMENT
prБДС EN 1991-1-9:2023
40.20
DIS ballot initiated
Mar 2, 2023
Related project
Adopted from prEN 1991-1-9 IDENTICAL
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