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projektai-lsd Lithuanian Standards Board
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prEN 1991-1-9

Eurocode 1 - Actions on structures - Part 1-9: Atmospheric icing

Draft Archived
Comment end date 2023-05-28

Project stage codes

1. Decision on WI Proposal
2. Projektas
3. Viešoji apklausa
From 2023-03-10 till 2023-05-28
4. Closure of enquiry
5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

91.010.30 - Technical aspects

Technical Committee

TK 38 Building constructions

ForeignTC'S

CEN/TC 250

Number of comments

0

Comment start date

2023-03-10

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.