B

a) cross-section b) strain distribution in the ultimate limit state

Figure 4.11 — Strain diagrams in the ultimate limit state 4.3.1.3 Brittle failure and hyperstrength

P(1) Brittle failure of the cross-section at the formation of the first crack shall be avoided.

P(2) Flexural strengths in excess of those calculated on the basis of the assumptions given in this code shall not be assumed for members with low percentages of high bond reinforcement even where testing shows such strengths to be justified.

(3) The minimum steel percentages given by the provisions of 4.4.2 and in Chapter 5 should in most cases be sufficient to ensure that brittle failure is avoided.

4.3.2 Shear

Fs s

Vccd

Vcd Vod

VRd1

VRd2

VRd2,red

VRd3

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