This British Standard is the official English language version of EN 1994-1-1:2004.
It supersedes DD ENV 1994-1-1:1994 which is withdrawn.
The structural Eurpoodes are divided into packages by grouping Eurocodes for each of
the main materials, concrete, steel, composite concrete and steel, timber, masonry and
aluminium, this is to enable a common date of withdrawal (DOW) for all the relevant
parts that are needed for a particular design. The conflicting nat ional standards will be
withdrawn at the end of the coexistence period, after all the EN Eurocodes of a package
are available.
Following publication of the EN, there is a period of 2 years allowed for the national
calibration period during which the national annex is issued, followed by a three year
coexistence period. During the coexistence period Member States will be encouraged to
adapt their national provisions to withdraw conflicting national rules before the end of
the coexistent period. The Commission in consultation with Member States is expected
to agree the end of the coexistence period for each package of Eurocodes.
At the end of this coexistence period, the national standards will be withdrawn.
In the UK, the corresponding national standards are;
BS 5950-3.1:1990 --Structuntl use of steelworh in building. Design in
oomposite construction. Code of practice for design of simple and continuous
composite bedm8.
BS 5950-4:1994 -- Structural use of steeluork in building. Code of practice for
design of composite slabs with profiled steel sheeting.
and based on this transition period, these standards will be withdrawn on a date to be
announced.
The UK participation in its preparation was entrusted by Technical Committee B/525,
Building and civil engineering structures,to Subeommittee B/525/4,Composite
structures, which has the responsibility to:
aid enquirers to understand the text;
present to the responsible intemational/European committee any enquiries on
the interpretation,or proposals for change,and keep the UK interests
informed;
monitor related international and European developments and promulgate
the m in the UK.
Alist of organizations represented on this subcom mittee can be obtained on request to
its secretary.
Cross-references
The British Standards which implement intemational or European publications
referred to in this document may be found in the BSI Catalogue under the section
entitled "International Standards Correspondence Index", or by using the "Search”
facility of the BSI Electron ic Catalogue or of British Standards Online.
This publication does not purport to include all the necessary provisions of a contract.
Users are responsible for its correct application.
Compliance with a British Standard does not of itself confer immunity from
legalobligations.
Summary of pages
This document comprises a front cover,an inside front cover,the EN title page,pages 2
to 118,an inside back cover and a back cover.
The BSI copynght notice displayed in this document indicates when the document was
last iBaued.

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