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Basic value of the geometric imperfections θ0

Eurocode 2 part 1-1: Design of concrete structures   5.2 (5)

Imperfections may be represented by an inclination, θi, given by:

θi = θ0αhαm (5.1)

Recommendation

The recommended value for the basic value of geometric impecfections θ0 is 1/200.

National choice

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θ0
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Design of concrete bridge structures?

See Eurocode 2 part 2   5.2 (105)