Where, hc is the height of the connector mm, d is the diameter of the connector mm, fck is the cylindrical compressive strength of concrete MPa and fu is the ultimate bearing capacity of steel for the connector MPa.
Donde, hc es la altura del conector mm, d es el diámetro del conector mm, fck es la resistencia cilindrica del hormigón a la compresión MPa y fu es la resistencia última del acero del conector MPa.