What is fcu in concrete?

It means concrete compressive strength of 150 mm cube ov concrete at 28 days age. Download Table | Compressive Strength (fcu) of Concrete at 28days with different percentages of Steel shavings. How can you convert English concrete cube strength to an equivelent Australian cylinder strength? e. Civil Engineering_ Fc and Fcu, Cylinder and Cube Strengths for Concrete - Free download as PDF File (. In the Eurocode, concrete's compressive strength is specified as CXX/XX (e. fcu is defined as a characteristic strength of concrete fy is the characteristic strength of steel.