Replaced, remains current
Core Supplement
BS EN
Applies to the design and construction of buildings and civil engineering works in seismic regions, to ensure human lives are protected, damage is limited and structures important for civil protection remain operational.
Superseded by BS EN 1998-1-1:2024. This document is considered to be a first generation Eurocode and is the applicable standard for building and civil engineering works constructed in the UK. A period now exists to prepare for the transition between first and second generation Eurocodes. First generation Eurocodes will be withdrawn by BSI on 30 March 2028 and will be replaced by second generation Eurocodes. Supersedes BS EN 1998-1:2004. Amendment dated 28 February 2010 - Implementation of CEN corrigendum July 2009. Amendment dated 31 January 2011 - Correction to title of Table 7.3. Amendment dated 31 May 2013 - Implementation of CEN amendment A1:2013. Amendment dated 31 May 2013 - Implementation of CEN correction notice 27 March 2013: Date of withdrawal of conflicting national standards corrected in the EN Foreword to amendment A1. Where a normative part of this EN allows for a choice to be made at the national level, the range and possible choice will be given in the normative text, and a note will qualify it as a Nationally Determined Parameter (NDP). NDPs can be a specific value for a factor, a specific level or class, a particular method of a particular application rule if several are proposed in the EN. To enable BS EN 1998-1:2004+A1:2013 to be used in the UK, the latest version of the NA to this Standard containing these NDPs should also be used. At the time of publication, it is NA to BS EN 1998-1:2004. There are generally no requirements in the UK to consider seismic loading, and the whole of the UK may be considered an area of very low seismicity in which the provisions of EN 1998 need not apply. However, certain types of structure, by reason of their function, location or form, may warrant an explicit consideration of seismic actions. Background information on the circumstances in which this might apply in the UK has been published in the BSI document PD 6698.
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