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Paper w78-2005-a3-2-schnetgoeke:
Application of reliability-based system assessment using a bridge example

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R Schnetgoeke & D Hosser

Application of reliability-based system assessment using a bridge example

Abstract: Structural health monitoring during the life-cycle of a structure is necessary to ensure permanently the bearing capability and the serviceability respectively. Differences from the designed properties can be assessed consequently and therefore rehabilitation measurements can start. For the minimisation of the structural health monitoring measures and the cost involved, the monitoring measures must be concentrated on the critical weak points of the structure. Therefore the knowledge-based system PROBILAS (PRObabilis-tic Building Inspection and Life ASsessment) is developed. By the combination of recognized procedures of reliability and system analysis in PROBILAS a continuous revaluation of the building and the identification of the failure-relevant parts is possible. This article illustrates the building assessment process with PROBILAS using a bridge as an example. The process includes repeated evaluation of the system and the focussing of both the stochastic an the physical models on the failure-relevant parts of the system.

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