Preferred Selection on Strengthening Schemes of Arch Bridge Based on Fuzzy Analytic Hierarchy Method

2013 ◽  
Vol 351-352 ◽  
pp. 1548-1551
Author(s):  
Hao Sun ◽  
Xiao Gang Li ◽  
Shi Lin Liu

Many factors need to be considered during the choice of strengthening scheme for arch bridges, and most factors are fuzzy. The reasonable and scientific strengthening scheme is an important precondition to ensure the effectiveness and quality of the strengthening engineering. The elementary objects of the bridges strengthening are effect reliability, economic reasonability, technological feasibility, and convenience of construction, which are used to appraise the strengthening scheme. Based on the basic objective of bridge strengthening, two levels fuzzy comprehensive appraisal index system of strengthening scheme are established, and the best scheme is chosen. Combining the idiographic example of arch bridge reinforcement, the process of fuzzy analytic hierarchy and optimum result is given. The result tests that fuzzy analytic hierarchy method is feasible during the preferred selection on strengthening schemes of arch bridge.

2011 ◽  
Vol 368-373 ◽  
pp. 1985-1988
Author(s):  
Peng Zhang ◽  
Guang Yuan Weng

Bridge strengthening technology is a new hot spot of bridge engineering now, and choice for a scientific strengthening scheme is an important presupposition to ensure the effectiveness and quality of a project. In order to decide the optimum strengthening scheme reasonably, in this paper, the factors such as the technological feasibility, the effect reliability, the economic reasonability and the work’s convenience which influence the appraisal for bridge strengthening schemes are summarized; based on the basic objective for the optimum scheme, two levels comprehensive appraisal index system of strengthening scheme are established, and the dividing levels are analyzed by using the principles of Analytic Hierarchy Process (AHP); and the judgment matrix and the appraisal matrix are listed, then, the method and process of choice for optimum scheme are set up, and a project example is given to verify their practicality and feasibility.


2013 ◽  
Vol 361-363 ◽  
pp. 1358-1361
Author(s):  
Ke Chao Zhang ◽  
Jian Zhang Chen ◽  
Han Wan Jiang ◽  
Hai Qiang Liu

Scientific and integrated index system is a basic approach to accurately assess actual structure state of inservice arch bridge. It could provide clear evaluation guidance to assessment work of existing bridges. What is more, it is aimed to avoid or reduce erroneous and omission judgement phenomenon of bridge damage assessment by the grassroots-level maintenance workers. Based on summation of variety common damage in common arch bridges, this paper adopts AHP (analytic hierults are aimed to provide effective method and basis to long-term, persistent damage evaluaarchy process) method to establish arch bridge superstructure damage evaluation model with structure member (or component), the restion of inservice arch bridge.


2012 ◽  
Vol 174-177 ◽  
pp. 2147-2150
Author(s):  
Yu Qun ◽  
Pei Zhu Wang

Studied was the basic principle and method of applying fuzzy mathematics to the appraisal of building reforming. Multilevel appraisal index system of building reforming was set up. The process and method of fuzzy comprehensive appraisal method were given. An example was used to explain the application deeply. The method can use for homologous project.


BMJ Open ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. e041741
Author(s):  
Yujia Wang ◽  
Tianyou Wang ◽  
Aihua Wang ◽  
Shengyu Chen ◽  
Liping Jiao ◽  
...  

PurposeStandardised Training of Paediatric Resident (STPR) plays an essential role in training qualified paediatricians. Until now, China had no paediatric resident competency index system to effectively guide and evaluate the competence of paediatric residents. This study aimed to establish a competency index system for paediatric residents in China to provide a reference for improving the training system and quality of STPR.Study design and settingThis study conducted two rounds of Delphi expert consultation survey among paediatric medical experts (n=16), followed by screening, revising and supplementing indicators using the boundary value method. Next, the analytic hierarchy process was used to determine the weight of indicators and finally establish a competency index system for paediatric residents.ResultsThe results of the statistical analysis revealed a positive coefficient of 100% for both rounds of expert consultation. The expert authority coefficient values were 0.82 and 0.83, and the expert coordination coefficient test was p<0.01. After referring to experts’ opinions, a competency index system for paediatric residents with 5 primary indicators, 14 secondary indicators and 73 tertiary indicators was finally formed and the weight of each indicator was calculated. The five primary indicators were professional quality (0.3187), knowledge and skills (0.2734), communication and cooperation (0.1986), lifelong learning (0.1302), and teaching ability (0.0791).ConclusionsIn this study, a competency index system for paediatric residents was constructed following the characteristics and quality requirements for paediatric residents in China and is expected to significantly improve the overall level of paediatricians’ medical service quality and supply.


2021 ◽  
Vol 10 (4) ◽  
pp. 196
Author(s):  
Julio Manuel de Luis-Ruiz ◽  
Benito Ramiro Salas-Menocal ◽  
Gema Fernández-Maroto ◽  
Rubén Pérez-Álvarez ◽  
Raúl Pereda-García

The quality of human life is linked to the exploitation of mining resources. The Exploitability Index (EI) assesses the actual possibilities to enable a mine according to several factors. The environment is one of the most constraining ones, but its analysis is made in a shallow way. This research is focused on its determination, according to a new preliminary methodology that sets the main components of the environmental impact related to the development of an exploitation of industrial minerals and its weighting according to the Analytic Hierarchy Process (AHP). It is applied to the case of the ophitic outcrops in Cantabria (Spain). Twelve components are proposed and weighted with the AHP and an algorithm that allows for assigning a normalized value for the environmental factor to each deposit. Geographic Information Systems (GISs) are applied, allowing us to map a large number of components of the environmental factors. This provides a much more accurate estimation of the environmental factor, with respect to reality, and improves the traditional methodology in a substantial way. It can be established as a methodology for mining spaces planning, but it is suitable for other contexts, and it raises developing the environmental analysis before selecting the outcrop to be exploited.


2020 ◽  
pp. 1-12
Author(s):  
Zhou Jiang ◽  
Zhenwu Wei

Grassland resources are an important part of land resources. Moreover, it has the functions of regulating the climate, windproof and sand fixation, conserving water sources, maintaining water and soil, raising livestock, providing food, purifying the air, and beautifying the environment in terrestrial ecosystems. Grassland resource evaluation is of great significance to the sustainable development of grassland resources. Therefore, this paper improves the BP neural network, uses the comprehensive index method to calculate the weights in the analytic hierarchy process, and constructs a water resources carrying capacity research and analysis system based on the entropy weight extension decision theory. Meanwhile, this paper analyzes different levels of resource and environmental carrying capacity to achieve the purpose of comprehensive evaluation of resource and environmental carrying capacity. In addition, based on the theory of sustainable development, under the guidance of the principle of index system construction, this paper studies the actual situation of grassland resources and the availability and operability of data, and combines with the opinions given by experts to form an evaluation index system of grassland resources and environmental carrying capacity. Finally, through the actual case study analysis, it is concluded that the model constructed in this paper has a certain effect.


2016 ◽  
Vol 8 (5) ◽  
pp. 81
Author(s):  
Farzana Elahi ◽  
Shamsad Ahmed ◽  
Mahbubul Haque ◽  
Nazreen Chowdhury

<p class="Default">In order to sustain in a competitive market like pharmaceutical in Bangladesh, it is important to get an insight into physicians’ preferences in prescribing the drugs. The aim of this work is to investigate and address the physician requirements through an integrated methodology of Analytic Hierarchy Process (AHP) and Quality Function Deployment (QFD). In this research, an expert panel has been interviewed to recognize the criteria affecting physicians’ decisions. The results from AHP derived through Expert Choice software demonstrate that from the viewpoint of physicians, out of the five criteria, quality of product offering is ranked highest in prescribing the drugs followed by the reputation of the company, relationship enjoyed with the company, etc. As for the technical aspects, derived from the relationship matrix of AHP and QFD, out of the sixteen, brand image is ranked first followed by the quality of raw and packaging materials, skilled production personnel etc. The contribution of this research is expected to enable the managers in the pharmaceutical companies to recognize the factors that influence physicians in prescribing drugs for the patients and help them find out challenging items with preeminent alternatives. Few suggestions for future research are also put forward. <strong></strong></p>


2014 ◽  
Vol 501-504 ◽  
pp. 2638-2641 ◽  
Author(s):  
Peng Cheng Pan ◽  
Yanan Shao ◽  
Huan Liu

The quality of the project depends firstly on the design. Selected excellent design units can help the owner to realize the projects quality, cost and schedule target. The principles of the evaluation in design bidding were discussed in this paper. The design quality, design fees quotation, design teams service commitments, design teams ability, design institutions strength, and design institutions reputation were given as the six aspects of evaluation index system. last, the organization of evaluator was discusses.


2012 ◽  
Vol 268-270 ◽  
pp. 2031-2034
Author(s):  
Zheng Li ◽  
Ding Gui Luo

The concrete assessment index of cheese dyeing enterprises’ cleaner production is filtered out by the classic Delphi method (Delphi) of expert evaluation. According to the characteristic of Analytic Hierarchy Process (AHP),we have identified the different levels. Finally, assessment index system was established and the weight of each index and standard value were also determined. The cleaner production level can be evaluated eventually more intuitively. So it can provide the technical support and guidance for cleaner production assessment of Cheese Dyeing Enterprises and realize a sustainable development of this kind of enterprises.


Sign in / Sign up

Export Citation Format

Share Document