Capacity sizing
Steel earthquake-resistant constructions - Within the Eurocode 8 context
Article REF: C2559 V1
Capacity sizing
Steel earthquake-resistant constructions - Within the Eurocode 8 context

Author : André PLUMIER

Publication date: November 10, 2009, Review date: April 15, 2015 | Lire en français

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2. Capacity sizing

2.1 Logic and effects of capacity sizing

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2.1.1 Principle

To prevent plastic deformation, brittle fracture or instability failure outside the dissipative zones, the elements adjacent to each dissipative zone must be dimensioned so that their strength is not exhausted before the plastic mechanism can develop.

This concept is known as "capacitive dimensioning".

In a structure analyzed by a linear elastic calculation, this is done as follows:

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