Introduction
This Technical Guidance Note concerns the concept of notional loading, which the Eurocodes classifies as Equivalent Horizontal Forces. These are loads that exist due to inaccuracies and imperfections introduced into the structure during its construction. The following text explains how notional lateral loads are incorporated into the design process.
（本文于2016年10月更新，以反映以来发行以来发行的Errata。）