Load Bearing Capacity of Existing Rural Highway RC T Beam Bridge Based on Fuzzy Comprehensive Evaluation

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Load Bearing Capacity of Existing Rural Highway RC T Beam Bridge Based on Fuzzy Comprehensive Evaluation

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[1]Zhai KeweiDu ChaoweiZheng FengxiZheng Yuanxun.Load Bearing Capacity of Existing Rural Highway RC T Beam Bridge Based on Fuzzy Comprehensive Evaluation[J].Journal of Zhengzhou University (Engineering Science),2017,38(04):88-93.[doi:10.13705/j.issn.1671-6833.2017.01.014]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 38卷 Number of periods: 2017 04 Page number: 88-93 Column: Public date: 2017-07-18

Title:: Load Bearing Capacity of Existing Rural Highway RC T Beam Bridge Based on Fuzzy Comprehensive Evaluation

Author(s):: Zhai Kewei1Du Chaowei2Zheng Fengxi3Zheng Yuanxun4; 1. Luoyang City Rural Highway Management Office, Luoyang, Henan, 471000; 2. Henan Provincial Department of Transportation Highway Administration, Zhengzhou, Henan, 450012; 3. Shangqiu Highway Administration, Shangqiu, Henan, 476000; 4. School of Water Conservancy and Environment, Zhengzhou University, Henan Zhengzhou,450001

Keywords:: beam bridge; load bearing capacity; fuzzy comprehensive evaluation; probability distribution; guarantee rate

CLC:: -

DOI:: 10.13705/j.issn.1671-6833.2017.01.014

Abstract:: A comprehensive evaluation method of bearing capacity was proposed for highway T beam bridge based on fuzzy stochastic theory.Factor indexes of load bearing capability were produced by stochastic simulation according to on-site test data.Then the probability distribution of the bearing capacity partial check coefficients and the load bearing capacity were obtained by fuzzy comprehensive evaluation theory.Finally the load bearing capacity with certain guarantee rate was figured out.An example of reinforced concrete (RC) T type beam bridge was analyzed and the feasibility of the proposed method was demonstrated.The results provided reference for highway bridge bearing capacity evaluation and repair management.

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