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Condition Evaluation and Prediction of Concrete Structures
Authors: Menčík Jaroslav
Year: 2009
Type of publication: článek ve sborníku
Name of source: 5th International Conference Concrete and Concrete Structures
Publisher name: Žilinská univerzita
Place: Žilina
Page from-to: 261-268
Titles:
Language Name Abstract Keywords
cze Hodnocení a předpovídání stavu betonových konstrukcí V důsledku různých degradačních procesů postupně klesá schopnost betonové konstrukce plnit své úkoly. Rozhodování o ponechání v provozu nebo opravě vychází z periodického hodnocení. Technický stav se posuzuje podle více kritérií. Některá lze charakterizovat jenom slovně. Pro komplexní posuzování jsou pak výhodné metody založené na fuzzy logice. Příspěvek vysvětluje principy a ukazuje příklad použití fuzzy metod pro hodnocení mostních objektů. mosty, spolehlivost, hodnocení, beton, stav, fuzzy logika
eng Condition Evaluation and Prediction of Concrete Structures Due to various degradation processes, the ability of a concrete structure to fulfil its functions decreases with time. The decision about its keeping in operation or repairing is based on periodical assesment. The technical condition of the structure is evaluated according to several criteria. Some of them are measurable, other can be characterized only verbally. For complex evaluation, methods based on fuzzy logic are thus advantageous. The paper explains the principle and shows an example of the use of fuzzy methods for the evaluation of bridge objects. Here, weights are assigned to the individual criteria. Also the time development of individual characteristics can be considered. The decision between the reconstruction of a large object and building a new one should be based on the experts´ judgement, load tests and comparison of results with those obtained by computer modeling. bridges, reliability, evaluation, technical condition, concrete, fuzzy logic

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