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Punching shear resistance of a lightweight concrete slab without shear reinforcement: the value of k2

Eurocode 2 part 1-1: Design of concrete structures   11.6.4.1 (1)

The punching shear resistance [MPa] of a lightweight concrete slab may be calculated as follows:

vlRd,c = ClRd,c k η1(100 ρl flck)1/3 + k2 σcp≥ (η1 vl,min + k2 σcp) (11.6.47)

Recommendation

The recommended value of k2 is 0,08.

National choice

k2
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