The Application of Fuzzy Synthesis Evaluation Method on Assessing Bridge Durability

Abstract:

Assessment of the structure durability of concrete bridge in service is crucial for determining whether their service performance is meeting the design requirements or not. In this paper we classify the whole structure of bridge into two levels, i.e.bridge structure and bridge components. A two-level-multi-index model for evaluating the durability of concrete bridges in service is established based on the dependent functions of various factors, in which the dependent functions are chosen in accordance with the difference of various factors affecting the deterioration of durability of components. In this model, the durability of the bridge is divided into five different fuzzy levels: intact, disrepaired, damaged, severely damaged, and dangerous. Finally, based on fuzzy mathematics theory, the durability level of a bridge in practice is evaluated by using the maximum subordination principle.

• Periodical: Advanced Materials Research (Volumes 594-597)
• Pages: 1033-1037
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.594-597.1033
• Online since: November 2012
• Authors: Fei Zheng, Yu Wang, Pu Yang Zhang
• Keywords: Concrete Bridges in Service, Durability, Evaluation, Fuzzy Mathematic Theory

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