Abstract
To promote overseas projects, it is necessary for designers to understand and distinguish the similarities and differences between the Chinese standard GB50011(Edition 2016) and the European standard EN1998. By referring to relevant papers, comparing the ground types, response spectrum, structural importance factors, seismic precaution level and seismic zoning between the GB50011(Edition 2016) and EN1998, it can be concluded that the overall seismic design concepts in the Chinese and European codes are similar but there are some small differences in ground type classification, impact of ground type on seismic action, response spectrum, importance factor, seismic precautionary criterion, seismic precautionary measures, and seismic zone.
Highlights
GB50011-2010 (Edition 2016) Code for Seismic Design of Buildings [1] implemented since August 1, 2016, including provision modification on one appendix and 10 articles compared with the 2010 edition
The importance factor for class I as defined in EN 1998 is 11.1% lower than that for minor importance building defined in GB50068 Edition 2016, and the EN1998-1 has taken 9.1% and 21.4% higher value of importance factors in class III and class IV respectively than that in GB50068 Edition 2016
According to the above studies, the similarities and differences between GB50011 Edition 2016 and EN1998 are concluded in the following, which can be provided as references for structural designers
Summary
GB50011-2010 (Edition 2016) Code for Seismic Design of Buildings [1] (hereinafter referred as "GB50011 Edition 2016") implemented since August 1, 2016, including provision modification on one appendix and 10 articles compared with the 2010 edition. In order to make clear and comprehensive understanding of the two codes’ difference as per the design sequence, this article will be focusing on comparison between the GB50011 Edition 2016 and EN1998 regarding to contents including and not limited to site category division, response spectrum, structure importance factor, seismic categories and criterion, and the division of seismic zones. It will greatly improve the designer’s understanding of similarities and differences between the two codes and provide reference for the designer who will do projects as per EN1998
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