Fuzzy Reliability Evaluation of RC Rigid-Frame Arch Bridge in Service

2012 ◽  
Vol 204-208 ◽  
pp. 1999-2003
Author(s):  
Ai Ping Chen ◽  
Rong Ting Diao
Keyword(s):  
Comprehensive Evaluation ◽  
Evaluation Model ◽  
Weight Vector ◽  
Reliability Evaluation ◽  
Fuzzy Reliability ◽  
Analytic Hierarchy ◽  
Basic Principles ◽  
Arch Bridge ◽  
Rigid Frame ◽  
Hierarchy Process

According to the basic principles and methods of the fuzzy reliability assessment to the existing bridge, RC rigid-frame arch bridge with Fuzzy reliability evaluation of a judgment factor sets of class I and class Ⅱare identified in this paper, aiming at the existing disease in this kind of bridge. Then, the fuzzy reliability comprehensive evaluation model of RC rigid-frame arch bridge is established. Meantime, the paper raises the membership function of each evaluation index; uses Analytic hierarchy process (AHP) to determine the weight vector of each factor. At last, a reliable practical analytical method for the evaluation of the existing RC rigid-frame arch bridge’s bearing capacity is obtained.

Decision Evaluation of Harbin Metro Based on Fuzzy Theory

2013 ◽  
Vol 438-439 ◽  
pp. 1024-1027
Author(s):  
Xiao Guo Chen
Keyword(s):  
Comprehensive Evaluation ◽  
Fuzzy Theory ◽  
Evaluation Model ◽  
Fuzzy Comprehensive Evaluation ◽  
Decision Makers ◽  
Geological Environment ◽  
Analytic Hierarchy ◽  
Comprehensive Evaluation Model ◽  
Hierarchy Process ◽  
Weight Coefficients

The paper introduces some information about Harbin Metro line 1, makes the decision analysis on economies, environment, society and geological environment of Harbin Metro line 1 by some fuzzy comprehensive evaluation model, and gives the weight coefficients of indicators through analytic hierarchy process. The comprehensive evaluation result provides the basis for decision-makers during decision of metro projects.

scholarly journals Reliability Evaluation of Water-Rich Loess Tunnel with Lining Crack Based on Extension Theory

2019 ◽  
Vol 2019 ◽  
pp. 1-10 ◽  
Author(s):  
Xiaohui Xue ◽  
Jun Zhang ◽  
Xinxing Zhou
Keyword(s):  
Evaluation Method ◽  
Evaluation Model ◽  
Crack Depth ◽  
Laser Scanner ◽  
Reliability Evaluation ◽  
Extension Theory ◽  
Analytic Hierarchy ◽  
Prevalent Disease ◽  
Safety And Reliability ◽  
Hierarchy Process

Crack is the most prevalent disease of water-rich loess tunnels, which impacts the tunnel safety and reliability. The study aimed to investigate the multi-index of tunnel lining crack based on extension theory and reliability evaluation. A new evaluation model was built, and the matter-element concept was used to describe the reliability of a water-rich loess tunnel with lining crack. Crack width, crack depth, crack length, crack geometry, and water seepage of the Qiaoyuan tunnel were measured by intelligent crack measuring instrument, 10 m tape, laser scanner, and dosing cup. According to the analytic hierarchy process (AHP), the judgment matrix could be used to describe the relative importance of each index. Combining the maximum eigenvalue with checking consistency, the weight coefficients of 5 factors were calculated. A probabilistic statistic method and comparison of specification are performed to confirm the validity of extension theory in reliability evaluation. The results showed that the extension theory provided a reliability evaluation method of a water-rich loess tunnel with lining crack.

Application of Analytic Hierarchy Process in the Steel Industry

2013 ◽  
Vol 683 ◽  
pp. 686-689
Author(s):  
Yang Liu ◽  
Guo Ping Cheng
Keyword(s):  
Supply Chain ◽  
Steel Industry ◽  
Default Risk ◽  
Comprehensive Evaluation ◽  
Evaluation Model ◽  
Subjective Evaluation ◽  
Fuzzy Comprehensive Evaluation ◽  
Analytic Hierarchy ◽  
Supply Chain Financing ◽  
Hierarchy Process

Through analysing the indexs of the steel industry supply chain financing default risk, the article establishes a multi-level fuzzy comprehensive evaluation model for the steel industry supply chain financing default risk. Application examples show that the model overcomes the defect of subjective evaluation. It’s a rational and effective tool to assess the default risk of the steel industry supply chain financing.

Application of Analytic Hierarchy Process in Bridge Safety Comprehensive Evaluation

2015 ◽  
Vol 744-746 ◽  
pp. 744-748 ◽  
Author(s):  
Jun Li Wang
Keyword(s):  
Analytic Hierarchy Process ◽  
Safety Management ◽  
Comprehensive Evaluation ◽  
Evaluation Model ◽  
Evaluation Index ◽  
Analytic Hierarchy ◽  
Safety Level ◽  
Bridge Safety ◽  
Safety And Reliability ◽  
Hierarchy Process

In order to appraise the safety and reliability of bridges effectively, the comprehensive evaluation model based on analytic hierarchy process was established. The weight of evaluation index was calculated by using the model, and each evaluation index was given score by experts according to actual circumstances, and, on this basis, safety level of the bridge was obtained. And, afterwards, the model was applied to an engineering example for Huangjiaba Bridge. The results show that the evaluation level of bridge safety is third-level, with serious problems existing in this practical example, and the corresponding measures are proposed, which can provide scientific reference for bridge safety management.

Study on Construction Order of Logistics Park Based on Combined Model of Analytic Hierarchy Process and Gray Comprehensive Evaluation

2011 ◽  
Vol 97-98 ◽  
pp. 644-647 ◽  
Author(s):  
Yang Yang ◽  
Tao Pu ◽  
Kun Ying Li
Keyword(s):  
Comprehensive Evaluation ◽  
Evaluation Model ◽  
Objective Evaluation ◽  
Combined Model ◽  
Analytic Hierarchy ◽  
Logistics Park ◽  
Park Planning ◽  
Comprehensive Evaluation Model ◽  
Priority Order ◽  
Hierarchy Process

Priority order decision of logistics parks construction project is an important issue in the process of logistics park planning. It needs to synthesize various factors, such as, politics, economy, society and environment, etc. Because there are some grey relationships among these factors, construction of the order of questions can be look on as a grey multi-objective evaluation. This paper brings forward a new priority decision method named hierarchy -gray comprehensive evaluation model to evaluate the building order of the logistics parks. An example is used to elaborate how to use this model; meanwhile, the method is proved more scientific and reliable.

scholarly journals Research on comprehensive evaluation model of rural domestic sewage treatment technology based on fuzzy comprehensive evaluation and analytic hierarchy process method

2021 ◽  
Author(s):  
Zhang Qi-yu ◽  
Liu Zeng-jin ◽  
Liu Lai-sheng ◽  
Li Na
Keyword(s):  
Analytic Hierarchy Process ◽  
Comprehensive Evaluation ◽  
Evaluation Model ◽  
Sewage Treatment ◽  
Fuzzy Comprehensive Evaluation ◽  
Domestic Sewage ◽  
Septic Tank ◽  
Treatment Technology ◽  
Analytic Hierarchy ◽  
Hierarchy Process

Abstract In China, rural domestic sewage treatment has become an urgent problem to be solved to improve the rural human settlement environment. However, there is no scientific, objective, and systematic evaluation model for selecting rural domestic sewage treatment technology. Therefore, this paper mainly studies on the establishment of the evaluation system model of China's typical rural domestic sewage treatment technology and the application of technology selection. Based on the analytic hierarchy process and the life cycle method, the experts consulted and analyzed the factors affecting the evaluation of China's rural sewage treatment technology. The comprehensive evaluation index system suitable for China's rural sewage treatment technology was established based on the analysis results. Combined with the fuzzy comprehensive evaluation method, five typical rural domestic sewage treatment technologies were applied and analyzed. The results show that the comprehensive evaluation of the biofilm technology is the best at 3.5669, followed by the septic tank treatment technology and land treatment technology, which are 2.8829 and 2.8422, respectively. The case analysis verifies the applicability of the model, which can support the selection of technologies for the rural domestic sewage treatment market in China.

Study on a Rough Evaluation of Engineering Project Informatization

2014 ◽  
Vol 584-586 ◽  
pp. 2613-2617
Author(s):  
Li Shen ◽  
Yun Ting Zhou ◽  
Ji Rong Song
Keyword(s):  
Construction Industry ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Evaluation Model ◽  
Fuzzy Comprehensive Evaluation ◽  
Engineering Project ◽  
Analytic Hierarchy ◽  
Comprehensive Evaluation Method ◽  
Hierarchy Process ◽  
Engineering Projects

With the development of construction industry, engineering projects are becoming more and more large and complicated that makes the informatization more and more important, at the same time it produced a need of evaluation of engineering project informatization. A rough evaluation of engineering project informatization is established, and using the Fuzzy Comprehensive Evaluation Method based on Analytic Hierarchy Process (AHP) to evaluate the model quantitatively. Authors run the rough evaluation model by using the data of a simulation investigation performed on one project and obtain a result of the project's informatization level.

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