Rebar in my design

The approach is explained in detail in EC2, part 4. EC2, part 4, Section 7.2.1.2 dealing with the detailing of supplement reinforcement under tension while Section 7.2.1.9 provides details about the design of reinforcement under tension. Section 7.2.2.2 deals with the detailing of supplement reinforcement under shear while Section 7.2.2.6 provides details about the design of reinforcement under shear.