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29 R E L A S T ® D E S I G N M A N U A L Existing reinforcement ∅ x 14 mm *Diameter in x direction ∅ y 14 mm *Diameter in y direction d x 268 mm *Effective depth in x d y 254 mm *Effective depth in y d m 261 mm *Mean effective depth ρ m 0 57% γ s 1 15 f yk 500 Nmm² f yd 434 78 Nmm² Postinstalled reinforcement Fastening element RELAST ® 16 Thread diameter M16 L 294 mm γ s 1 15 RELAST ® Thread diameter Screw diameter Outer-Ø d G [mm] Inner--Ø d k 1 [mm] Inner--Ø d k 2 [mm] Yield strength f yk [Nmm2] 16 M16 Ø 16 18 6 14 8 13 55 500 22 M20 Ø 22 24 3 20 5 16 93 500 *Note for this exercise a drilling aid shall be used for installation