Deterioration of Bridge Deck Roadway Members. Part II: Condition Evaluation

Zenonas Kamaitis

Abstract


One of the simplest ways of assessing existing structures is the use of rating marks, classes or grades for each bridge or its components. Different rating systems have been developed and used widely in many countries. Markovian models are often considered to represent the bridge deterioration process. In part I of this two-part paper results of experimental studies on the deterioration of bridge deck ancillary members are presented. This study was conducted to determine the condition assessment procedures and performance characteristics of bridge deck surfacing, expansion joints, and safety barriers. A simple rating system with a scale of 7 to 1 to diagnose the condition of bridge deck members in service is proposed. A Markovian process for physical deterioration of these members is used. Results from a simulation study using the real individual bridge components in City Vilnius are presented.

Keywords:

highway bridges; deck members; defects and damages; assessment; serviceability rating; Markovian deterioration process

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References


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