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Minimum cover

The minimum cover of reinforcement is calculated in accordance with the chapter 4.4.1 of EN 1992-1-1.

The nominal cover is calculated using formula 4.1:

Where is:

cnom

  • The nominal cover

cmin

  • The minimum cover

Δcdev

  • The allowance in design for deviation

The minimum cover is calculated using formula 4.2:

Where is:

cmin,b

  • The minimum cover due to bond requirement according to the table 4.2

cmin,dur

  • The minimum cover due to environmental conditions according to the table 4.4N

Δcdur,γ

  • The additive safety element in accordance with 4.4.1.2(6)

Δcdur,st

  • The reduction of minimum cover for use of stainless steel in accordance with 4.4.1.2(7)

Δcdur,add

  • The reduction of minimum cover for use of additional protection in accordance with 4.4.1.2(8)

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