Transcription of TITLE 2. STRUCTURAL ANALYSIS
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TITLE 2. STRUCTURAL ANALYSIS
TITLE 2. STRUCTURAL ANALYSIS . CHAPTER V. STRUCTURAL ANALYSIS . Section 17. General The STRUCTURAL ANALYSIS consists of obtaining the effect of actions on all or part of the structure in order to check the ultimate limit states and serviceability limit states defined in Section 8. Such an ANALYSIS must be conducted for the different design situations given in Section 7 using adequate STRUCTURAL models that consider the influence of all relevant variables. Section 18. Idealisation of the structure STRUCTURAL models In order to conduct the ANALYSIS , both the geometry of the structure and the actions and support conditions are idealised by means of an adequate mathematical model, which must also roughly reflect the stiffness conditions of the cross-sections, members, joints and interaction with the ground. The STRUCTURAL models must allow to consider the effects of movements and deformations in those structures or part thereof, where second-order effects increase the effects of the actions significantly.
curve on plan it may be possible to use double-beam or double-girder open sections that are designed to provide sufficient resistance to torsion resulting from eccentric actions. However, in hyperstatic structures there are often open-section members (transverse beams for grids or twin box bridge decks, for example) being subject to
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