"Study on Durability Assessment Technology of Reinforced Concrete Projects" Passed Appraisal

The “Research on the Durability Assessment Technology of Reinforced Concrete Projects” completed by the Beijing Institute of Civil Engineering and Architecture, the School of Civil Engineering and Mechanics of Shanghai Jiaotong University, and the Department of Civil Engineering of Tsinghua University was approved by experts of the Beijing Science and Technology Commission in September 2003. The research on the durability evaluation of reinforced concrete structures is at the leading position in China. The MEDS method for assessing the reliability of existing concrete structures and the corresponding software system developed have reached the international advanced level.
The evaluation of the durability of reinforced concrete structures (MEDS) refers to the establishment of a new evaluation method of structural durability based on the reliability theory, a computer expert system for the durability evaluation of reinforced concrete structures, according to the given engineering inspection data, the The reliability is evaluated, and finally the reliability of the structure is predicted to be reduced in the future, and the status of the structure is correctly rated according to the identification result, thereby providing a theoretical basis for the normative empirical evaluation method and providing guidance for the revision of the specification. The application of concrete structures in China is very extensive. Many houses built before the founding of the People's Republic of China, including liberation, have now reached the design service life. Some homes that have been built or used for a period of time may have various safety or durability defects due to design or construction problems. Some of these houses can still be used after they have been repaired; others may have become dangerous houses that must be demolished. Through scientific methods, the right judgments of these houses continue to be used or must be dismantled to provide a reliable basis for decision-making bodies to make reasonable decisions on the maintenance, reinforcement or dismantlement of structures, which has wide application prospects in China.

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