吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (4): 1029-1033.

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Reliability analysis for transverse crack in concrete structure based on fuzzy invalidation criterion

CAI Bin1,2,MENG Guang-wei 2,3, DONG Xin2,LI Feng2   

  1. 1.Jilin Institute of Architecture and Civil Engineering, Changchun 130021, China|2.College of Mechanical Science and Engineering, Jilin University, Changchun 130022,China|3.State Key Laboratory of Automobile Simulation and Control, Jilin University, Changchun 130022,China
  • Received:2010-03-04 Online:2011-07-01 Published:2011-07-01

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Abstract:

In view of the situation that the national standard“Code for Design of Concrete Structure”does not give the target reliability index of the concrete structure member in the serviceability limited state, a method of reliability analysis was proposed for the concrete structure member under the normal service state based on fuzzy invalidation criterion. A fuzzy membership function was built for the concrete. The structure fuzzy reliability problem was transformed to a traditional reliability calculation problem by the method of establishing an equivalent functional function. The fuzzy reliability index for the transverse crack in the concrete structure member under the normal service state was calculated by JC solution method.Compared with the traditional analysis method, the method considering the fuzziness gave less reliability of concrete structure, this provided one of the theoretical supports for concrete structure design.

Key words: solid mechanics, fuzzy criterion, concrete structure, reliability, serviceability limited, membership function

CLC Number: 

  • O344
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