The NAs contain provisions that bey-
ond the Eurocode rules, i.The wind load describes the effect
on buildings and installed systems.
These are supplemented the various national an-
nexes (NA).
It must taken into account dur-
ing planning.e.
2.
Old standard New standard
Eurocode DIN 1991-1-4:2010-12: Parts 1-4:
General effects;
wind loads DIN 1991-1-4/NA: 2010-12
Eurocode DIN 1991-1-4:2010-12: Parts 1-4: General effects;
wind loads DIN 1991-1-4/NA: 2010-12
DIN 1991-1-3: 2010-12 Parts 1-3: General ef-
fects; snow loads +
DIN 1991-1-3/NA: 2010-12
DIN 1991-1-3: 2010-12 Parts 1–3: General effects; snow loads +
DIN 1991-1-3/NA: 2010-12
Eurocode DIN 1993-3-1: 2010-12: Parts 3-1:
Towers, masts and chimneys –
Towers and masts DIN 1993-3-1/NA: 2010-12
Eurocode DIN 1993-3-1: 2010-12: Parts 3-1: Towers, masts and
chimneys –
Towers and masts DIN 1993-3-1/NA: 2010-12
Table 2. the provisions that were
previously part the national standards.6 Wind load
For decades, wind load has been important con-
sideration for OBO Bettermann relation external
lightning protection.8).1.8: Example: German national standards for the calculation wind load
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Chapter The external lightning protection system
. cover
the documents the series DIN 1990 1999. Today’s calculation models and
air-termination rod systems are the result numerous
studies and years R&D experience.
Following the publication the national annexes to
the ECs, the old standards became invalid, following
appropriate coexistence phases (Table 2.
The Eurocodes (EC) are the result European stand-
ardisation the construction field.
The previous German standards this area DIN
1055:2005 Part "Wind loads" and Part "Snow
and ice loads", and DIN 4131: "Steel antenna mounts"
– dealt with all load assumptions for support struc-
tures Germany
