Abstract
The quality and the durability of the concrete structures are affected by lots of degradation processes. The paper deals with reinforcement corrosion and its influence on the reliability of the existing concrete structures. Two types of passive stage calculation and two types of active stage calculation are considered in this paper. The probabilistic approach is used for the time dependent resistance solution. In conclusion, the change of the failure probability and reliability index of the structure in time influenced by reinforcement corrosion are shown.
Highlights
V súčasnosti sa naša krajina pripravuje na začlenenie do Európskej únie
The positive result of inspection is condition of survival of a structure in the remaining lifetime. It means that any component of structure has not exceeded any limit states until inspection time
Through this positive information we are able to determine new higher reliability level of the existing structure and its new failure probability for the remaining lifetime. It is impossible without new information obtained from the regularly performed inspections
Summary
V súčasnosti sa naša krajina pripravuje na začlenenie do Európskej únie. Jedným z mnohých procesov, ktorý tejto snahe má pomôcť, je rozvoj dopravnej infraštruktúry. There are a lot of concrete structures in our country, which should be rebuilt and repaired on the ground of their other exploitation On this account, evaluation of existing structures is the most important process in the bridge management system (BMS) [1]. It means that any component of structure has not exceeded any limit states until inspection time Through this positive information we are able to determine new higher reliability level of the existing structure and its new failure probability for the remaining lifetime. It is impossible without new information obtained from the regularly performed inspections. This paper deals with a problem of an actual material degradation and its influence on reliability of the existing concrete structures
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