The main goal of the research conducted in this paper is to explain on a real life example the role and importance of the multi-criteria decision-making method. By application of multi-criteria analysis method and ranking the most favourable variant solution for E-763 highway route at the entrance to Belgrade was chosen. VIKOR and Promethee II methods have been used. Ranking has been made based on 20 criteria which make the evaluation basis of each alternative. In this way the methods proved successful tools when choosing the most favourable alternative. The theoretical assumptions of VIKOR and PROMETHEE-GAIA methodologies have been presented in the paper. The calculation has been made by applying VIKOR programme package and Decision Lab programme and then the results obtained were subsequently analyzed
The paper presents a benchmarking method dealing with identification of measurable business performance indicators in order to make comparison with the "Best in Class". Fields of application, some classifications in use and benchmarking process phases are outlined. The paper describes systems used in construction companies in different countries (Chile (CDT), USA (CII), Brazil (SISIN) and United Kingdom (KPI)) which indicate the requirements related to the use of performance measures for benchmarking in the construction industry and identify key factors of effective design and implementation of performance measurement system
To achieve material efficiency, the ongoing initiative to improve thermal properties of family houses in the Republic of Serbia should include harmonization with internationally established and nationally adjusted principles of circular economy. The overall aim of this study was to propose a methodology for optimal decision making between alternative materials and components for energy refurbishment of façades in existing family houses. Together with developed criteria, and their belonging indicators, the methodology was tested on selected case study houses located in the central zone of the city of Belgrade. Using the VIKOR method, five suggested scenarios and three sub-scenarios for façade thermal upgrades were assessed against five determined types of criteria: Economic Cost, Function, Circularity Features, Appearance, and Innovativeness. Obtained results—ranking lists of proposed scenarios—indicate that the optimal solution for energy refurbishment of façades in existing houses could include polyurethane insulation material in combination with the wooden window frames and low-E insulation glass. In future research, it will be necessary to introduce an additional assessment criterion related to the ecological quality of proposed scenarios, as the study revealed that a gap between circularity-related quality, and ecological sustainability, of building materials could be significant.
Preliminary communicationDesigning road projects involves a complex decision-making process whose objectives should be the implementation of the road design and its utilization in the narrowest sense, but also the facilitation of mobility, economic development of the area and improvement of the quality of life in a wider sense. All of this requires the consideration and understanding of many problems multi-criterial in nature, and decision making with regard to technical components, environmental constraints and the impact on society. The main goal of this paper is to use a real example to explain the role and significance of multicriteria evaluation methods. The theoretical postulates of multi-criteria evaluation are presented (VIKOR method). Using multi-criteria evaluation methods ranking was carried out of the alternative solutions offered for the E-763 highway route Belgrade-South Adriatic (Požega-Boljare section). Ranking was carried out on the basis of 12 criteria which form the basis for evaluating each of the alternative solutions. The calculation was performed using the VIKOR program packages and an analysis of the results obtained was carried out. Keywords: alternative solutions; criteria; highway route; multi-criteria evaluation; ranking; road design; VIKOR Vrednovanje varijantnih rešenja trase autoputa E-763 Beograd -Južni Jadran: studija slučaja u SrbijiPrethodno priopćenje Projektiranje putova predstavlja složen proces donošenja odluka čiji osnovni cilj treba biti realizacija projekta puta i njegova eksploatacija u užem smislu, ali i omogućavanje mobilnosti, privrednog razvoja područja i poboljšanje kvaliteta života u širem smislu. Sve ovo zahtjeva sagledavanje i razumijevanje mnogih problema koji su višekriterijske prirode i donošenje odluka u vezi sa tehničkim komponentama, ograničenjima okruženja i utjecajima na društvo. Osnovni cilj rada je da se na realnom primjeru objasni uloga i značaj metoda višekriterijskog vrednovanja. Prezentirane su teorijske postavke višekriterijskog vrednovanja. Primjenom metode višekriterijskog vrednovanja (metoda VIKOR) izvršeno je rangiranje ponuđenih alternativnih rešenja trase autoputa E-763 Beograd-Južni Jadran (dionica Požega-Boljare). Rangiranje je izvršeno na osnovu 12 kriterija koji čine osnovu vrednovanja svakog alternativnog rešenja. Proračun je izveden primjenom programskog paketa VIKOR i izvršena je analiza dobivenih rezultata.
In current practice, the remediation of landslides has shown that the biggest problem is the increase in the number of works, and therefore the price of the works. This is due to several factors, including characteristic of the soil, such as the collapse (collapse) of the surrounding ground around the main slide during landslide remediation. Unless these soil erosion effects are taken into account, recovery costs will overrun, which can jeopardize the planned budget. This paper presents a multi-criteria optimization of landslide remediation using the PROMETHEE method and determines the optional number of walls for the additional soil erosion. In a case study on examples of real landslides in the Republic of Serbia, the application of the method is presented and appropriate conclusions are drawn.
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