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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:Jin Cheng,Mingsai Xu,Zhengrong Chen.A Fuzzy Logic-Based Method for Risk Assessment of Bridges during Construction[J].Journal of Harbin Institute Of Technology(New Series),2019,26(1):1-10.DOI:10.11916/j.issn.1005-9113.18089.
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A Fuzzy Logic-Based Method for Risk Assessment of Bridges during Construction
Author NameAffiliation
Jin Cheng State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China
Department of Bridge Engineering, Tongji University, Shanghai 200092, China 
Mingsai Xu Department of Bridge Engineering, Tongji University, Shanghai 200092, China 
Zhengrong Chen Department of Bridge Engineering, Tongji University, Shanghai 200092, China 
Abstract:
There are many potential sources of risks which may cause bridge failures and result in numerous economic and human losses during the construction of bridges. Therefore, risk assessment for bridges during construction should be taken rigorously to avert bridge failures and casualties. This article presents a fuzzy logic-based method which integrates the fuzzy analytical hierarchy process (FAHP) method based on a 3-point scale, fuzzy logic, and fuzzy set theory into a single synthetic method. In this method, the FAHP method based on a 3-point scale was used to identify and rank diverse risk factors, and fuzzy logic and fuzzy set theory were used to process inaccurate datasets including non-statistical information. After the concept and procedure of the FAHP method based on a 3-point scale were demonstrated, the proposed fuzzy logic-based method was used to perform risk assessment on the Aizhai Suspension Bridge with a main span length of 1 176 m in China. The results show that the proposed method can more effectively carry out risk assessment of bridges during construction.
Key words:  analytical hierarchy process, risk assessment, fuzzy logic, fuzzy consistent matrix, bridge construction
DOI:10.11916/j.issn.1005-9113.18089
Clc Number:U44
Fund:
Descriptions in Chinese:
  

基于模糊逻辑的桥梁施工期风险评估方法#$TAB

程进1,2,许明赛2,陈峥嵘2

(1. 同济大学 土木工程防灾国家重点实验室,上海 200092;

2. 同济大学 桥梁工程系,上海 200092)

中文说明:

桥梁施工期存在着很多可能造成重大影响的潜在风险源,因此,施工期的风险评估不容忽视。本文提出的风险评估方法是将基于三分制的模糊层次分析法、模糊集合理论以及模糊逻辑概念相结合的一种混合方法。在该方法中,将基于三分制的模糊层次法用于风险因子的识别和排序,模糊集合理论和模糊逻辑概念用于处理非数值性的信息集。本文首先介绍了基于三分制的模糊层次分析法的概念和步骤,然后将提出的基于模糊逻辑的风险评估方法成功应用于主跨1176米的矮寨大桥的施工期风险分析。分析结果表明本文提出的桥梁施工期风险评估方法具有较高的实用性。

关键词:层次分析法,风险评估,模糊逻辑,模糊一致性矩阵,桥梁施工

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