Earthquake resistance-Part: Bridges
1.2 Distinction between principles and application rules
Paragraphs P(1) to P(6) are replaced by the following :
(101) Depending on the character of the individual clauses, distinction is made in this Eurocode between principles and application rules.
(102) The principles comprise :
- general statements and definitions for which there is no alternative;
- requirements and analytical models for which no alternative is permitted unless specifically stated.
(103) The principles are identified by a letter P preceding the paragraph number in brackets.
(104) The application rules are generally recognised rules which follow the principles and satisfy their requirements. It is permissible to use alternative design rules different from the application rules given in the Eurocode, provided that it is shown that the alternative rules accord with the relevant principles and are at least equivalent with regard to the resistance, serviceability and durability achieved for the structure with the present Eurocode.
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