Safety Assessment Model for Expressway Based on Accident Mechanism

2014 ◽  
Vol 1030-1032 ◽  
pp. 2110-2114
Author(s):  
Li Li Lu ◽  
Gang Ren ◽  
Li Ming Lu

It is of great significance to enhance freeway safety. This paper analyzed the factors affecting freeway safety systematically. Analytic hierarchy process (AHP) and fuzzy comprehensive evaluation (FCE) were applied to develop a freeway safety evaluation model. This model has a practical application on evaluate freeway safety level.

2010 ◽  
Vol 20-23 ◽  
pp. 196-201
Author(s):  
Ge Ning Xu ◽  
Fan Jiang

By combined fuzzy comprehensive evaluation with AHP (Analytic Hierarchy Process) together, a safety assessment model for overhead traveling crane is set up in regard to deficiency of safety assessment method for crane at present, which can evaluate safety of overhead traveling crane in-service qualitatively and quantitatively. Through a safety analysis and assessment on general overhead traveling crane, the result of assessment is in accord with the practical situation of overhead traveling crane. It can reflect more fully the safety of the whole crane system and the influence and level of each factor to whole crane system safety, witch an effective synthetic evaluation method is put forward for the safety evaluation of crane.


2012 ◽  
Vol 204-208 ◽  
pp. 2028-2033 ◽  
Author(s):  
Zhong Chu Tian ◽  
Lei Yang ◽  
Tian Yong Jiang

The risk factors of continuous incremental launching bridge during construction stage are specialized. The risk in incremental launching stage is analyzed and identified. A risk assessment index system is built. A fuzzy comprehensive evaluation model is developed. The results obtained from the risk assessment model verifies the validity and practicality of the developed method by the combination of analytic hierarchy process and fuzzy mathematics theory. Moderate risk assessment results are developed to provide references for incremental launching construction method.


2019 ◽  
Vol 2019 ◽  
pp. 1-10
Author(s):  
Xin Liu ◽  
Chengwei Ni ◽  
Liye Zhang ◽  
Ke Sheng ◽  
Baoning Hong

The durability of lightweight cellular concrete (LCC) and the corresponding assessment method are studied in this paper to improve the utilization of LCC in subgrade construction engineering. The durability assessment method is established by combining the analytic hierarchy process (AHP) with fuzzy comprehensive evaluation (FCE). The main assessment processes are as follows. Firstly, based on the physical and mechanical properties of LCC, the influencing factors are selected in terms of preliminary design, construction technology, and operation and management after completion of construction. The grading standard of influencing factors is established as well. Secondly, a multilevel assessment model with targets level, criteria level, and indexes level is established. AHP determines the effective weight of the lower level relative to the upper level. The consistency check of the judgment matrix is conducted to prove the rationality of the distribution of influencing factors’ effect weight. Thirdly, the membership function which is suitable for each influencing factor is built to calculate the membership degree. Besides, the practicality and reliability of AHP combined with FCE are demonstrated through a practical engineering case, which is the third section of a highway in Guangdong Province, China.


2013 ◽  
Vol 438-439 ◽  
pp. 1024-1027
Author(s):  
Xiao Guo Chen

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.


2013 ◽  
Vol 683 ◽  
pp. 686-689
Author(s):  
Yang Liu ◽  
Guo Ping Cheng

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.


2015 ◽  
Vol 744-746 ◽  
pp. 744-748 ◽  
Author(s):  
Jun Li Wang

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.


Author(s):  
Zhang Qi-yu ◽  
Liu Zeng-jin ◽  
Liu Lai-sheng ◽  
Li Na

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.


2014 ◽  
Vol 584-586 ◽  
pp. 2613-2617
Author(s):  
Li Shen ◽  
Yun Ting Zhou ◽  
Ji Rong Song

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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