|本期目录/Table of Contents|

[1]周小龙,袁燕超,陈 莉,等.基于灰色关联度的在役混凝土结构耐久性评估[J].武汉工程大学学报,2017,39(02):169-175.[doi:10. 3969/j. issn. 1674?2869. 2017. 02. 012]
 ZHOU Xiaolong,YUAN Yanchao,CHEN Li,et al.Durability Evaluation of Concrete Structure Based on Grey Relation Degree[J].Journal of Wuhan Institute of Technology,2017,39(02):169-175.[doi:10. 3969/j. issn. 1674?2869. 2017. 02. 012]
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基于灰色关联度的在役混凝土结构耐久性评估(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
39
期数:
2017年02期
页码:
169-175
栏目:
资源与土木工程
出版日期:
2017-05-04

文章信息/Info

Title:
Durability Evaluation of Concrete Structure Based on Grey Relation Degree
作者:
周小龙1袁燕超1陈 莉2马希瑞1刘博雅1
1. 武汉工程大学资源与土木工程学院,湖北 武汉 430074;2. 湖北商贸学院建筑经济与工程管理学院,湖北 武汉 430079
Author(s):
ZHOU Xiaolong1YUAN Yanchao1CHEN Li2MA Xirui1LIU Boya1
1.School of Resource and Civil Engineering,Wuhan Institute of Technology,Wuhan 430074, China;2. School of Construction Economics and Engineering Management, Hubei Business College,Wuhan 430079, China
关键词:
灰色关联度混凝土结构耐久性评价指标
Keywords:
grey relation degreeconcrete structuredurabilityevaluation index
分类号:
TU12
DOI:
10. 3969/j. issn. 1674?2869. 2017. 02. 012
文献标志码:
A
摘要:
为了提高混凝土结构耐久性评估结果的准确性和客观性,提出了一种基于灰色系统理论的混凝土结构耐久性评估方法. 该方法首先以现场检测的数据为依据,进行“少数据”建模,并用非线性数学模型取代传统的线性模型对评估指标值进行归一化处理;然后应用层次分析法改进初始专家权重,并构造变权重;再基于灰色理论对样本及评价指标进行分析,并以灰色关联度作为划分混凝土结构或构件耐久性技术状态的主要依据;最后通过算例分析,说明了该方法的应用过程,并验证了该方法计算结果的可靠性. 计算结果表明:基于灰色关联度的在役混凝土结构耐久性评估方法能够有效减小主观因素和专家知识对评估结果的影响,且计算过程简单,适于实际工程应用.
Abstract:
To raise the accuracy and objectivity of concrete structure durability evaluation,we proposed a method based on grey system theory. First,the models with "less data" were developed based on inspection data,and the values of evaluation indexes were normalized by nonlinear mathematical methods replacing traditional linear methods;second,the initial expert weights were improved by using the analytic hierarchy process,and the variable weights were constructed;next,the sample and evaluation indexes were analyzed by the grey system theory,and the concrete structure durability condition was evaluated by the grey relation degree. Finally, the application process of the method was illustrated in a practical engineering case,and the reliability was also proved. The results show that the durability evaluation method of existing concrete structures based on grey relation degree can effectively reduce the influence of subjective factors and expert knowledge on the evaluation results and the calculation process is simple,providing references for practical engineering application.

参考文献/References:

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更新日期/Last Update: 2017-04-25