2. Cutting force
For a long time, the method used to calculate shear reinforcement was the so-called "Mörsch lattice" method, in which the compressed concrete rods are assumed to be inclined at 45°.
As tests have shown that oblique cracks cutting through compressed concrete "rods" can, at the moment of shear failure, have an inclination significantly less than 45° (a phenomenon highlighted as early as 1957 by René CHAMBAUD), this latter finding has been taken into account in EC2, where the method used is known as "variable rod inclination".
2.1 General verification procedure
Notations :
V Ed acting shear force,...
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Cutting force
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