Background of ENV to Eurocode 2
Eurocode 2 will be the one design code for all
concrete structures in the UK and Europe. EN 1992-1-1 was published
in December 2004 and the National Annex was published in December
2005, making it possible to use in the UK.
The standard was developed to bring reinforced concrete design
up to date. It benefits from over 40 years of knowledge and
experience since the forerunners of the UK ultimate limit state
codes (BS 8110, BS 8007) were first put together, Eurocode 2 may
appear hard to comprehend and more complex, at first sight, than UK
codes but it is undoubtedly more comprehensive.
Eurocode 2 has fourt parts:
BS EN 1992-1-1 Common rules for buildings and civil engineering
BS EN 1992-1-2 Structural fire design
BS EN 1992-2 Bridges
BS EN 1992-3 Liquid retaining structures
Each part has a National Annex (NA) which gives national values
for certain partial factors (or Nationally Determined Parameters,
NDP's). Besides safety, the NA might also include matters of
national custom and practice. These NA's are backedby PD6687 which
gives the background to UK choices. PD6687 covers BS EN 1992-1-1
and BS EN 1992-1-2. During 2008 it is anticipated that PD6687 will
be extended to cover BS EN 1992-3 and PD6697-2 covering the NDP's
to BS EN 1992-2.
Following a period of co-existence with the current UK codes,
the UK cods will be withdrawn leaving only the Eurocodes. In the
UK, Eurocode 2 will replace BS 8110 for buildings, BS 5400 for
bridges, BS 8007 for water-retaining structures and BS 6349 for
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