Evaluation of the project timeliness with fuzzy constraints

Ibadov, Nabi; Kulejewski, Janusz

doi:10.1063/1.4912834

Cited by 12 publications

(10 citation statements)

References 11 publications

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“…Similar analyzes should be conducted for other risk factors. What's more, thanks to the use of linguistic variables, it is possible to use the results of the analysis in fuzzy decision models [10]. Such application of the analysis will translate into a significant improvement in the forecasting of disturbances and difficulties related to conducting construction works.…”

Section: Discussionmentioning

confidence: 99%

Analysis of the interaction between risk factors for construction works on an example of the small experience of labourers

Kaczorek

Malara

2018

MATEC Web Conf.

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The successful course of any enterprise depends on materializing or non-risk factors. These factors affect not only the success or failure of the venture, but may also interact with each other. This paper describes the interactions between the factor "low experience of labourers" and six groups of other risk factors. The results of the analysis are presented in tabular form. The work was ended with conclusions and suggestions for further scientific and research work.

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Section: Discussionmentioning

confidence: 99%

Analysis of the interaction between risk factors for construction works on an example of the small experience of labourers

Kaczorek

Malara

2018

MATEC Web Conf.

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“…Successful completion of a construction project means that its completion has been completed within the assumed budget, at the scheduled time, in accordance with the expected quality, and taking into account all investor requirements. In the literature, many studies can be found regarding the analysis of construction projects due to their costs (Juszczyk, Leśniak & Zima, 2018;Wieczorek, Plebankiewicz & Zima, 2019), time (Ibadov & Kulejewski, 2015;Krzemiński, 2017), organizational aspects (Hoła, 2015;Kozlovska, Mackova & Spisakova, 2016;Lendo-Siwicka, Połoński & Pawluk, 2016;Nowotarski, Pasławski & Matyja, 2016;Grzyl, Miszewska-Urbańska & Apollo, 2017;Nowogońska & Cibis, 2017;Hanak & Korytarova, 2018), safety issues (Hoła & Szóstak, 2015), or the use of innovative solutions in construction fi led (Mrówczyńska, 2011;Kapliński, 2018). Yet, it is the calculation of costs that is one of the most important aspects of construction projects, both from the investor's and contractor's point of view.…”

Section: Introductionmentioning

confidence: 99%

Identification of factors shaping tender prices for lightweight

Leśniak

Górka

Wieczorek

2019

Przegląd Naukowy Inżynieria I Kształtowanie Środowiska

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A reliable estimation of the tender prices for lightweight curtain walls is a complex and time-consuming process for the contractor, as it depends on many factors related to both the technical parameters of the designed façade and the investor’s requirements for the solutions selected. The aim of the paper is to identify the factors affecting the costs of manufacturing lightweight curtain walls. Data regarding the complexity of curtain wall construction costs was obtained on the basis of the analysis of project documentation, cost estimates and as-built accounts for selected 50 public buildings. The authors identified the factors affecting the costs of aluminum-glass facades and ventilated facades. Their identification is the first element necessary to develop a new method of predicting the costs of implementation of such types of facade which are included in the authors’ research plans.

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“…There are many papers devoted to the analysis of construction projects in terms of time [16,24], costs [18,28,32,40], logistics [43], process organizational aspects [12,13,14,19,22,26,37,38], work safety [15], innovative solutions [19] and project contracting [23]. There are many factors affectingthe course of a construction project in time, and frequently they can be foreseen already at the works planning stage.…”

Section: Introductionmentioning

confidence: 99%

Modelling Delays in Bridge Construction Projects Based on the Logit and Probit Regression

Leśniak

Juszczyk

Piskorz

2019

Archives of Civil Engineering

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Construction projects, even exemplarily planned and organized, bear a risk of unforeseen events and problems which can result in completion of the works after the deadline, that is delays. The construction of bridges is an inseparable part of road and rail projects and construction and expansion of the transport network. The paper aims at finding a relationship between the independent variables characterizing bridge projects and the delays during their implementation. Two alternative models were proposed to solve the problem: logit and probit. The data set comprising road and rail bridges built in Poland in the last 12 years (2005 – 2017) was used to build the models. The evaluation, quality and accuracy parameters of proposed models were determined in the final part of the paper.

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Evaluation of the project timeliness with fuzzy constraints

Cited by 12 publications

References 11 publications

Analysis of the interaction between risk factors for construction works on an example of the small experience of labourers

Analysis of the interaction between risk factors for construction works on an example of the small experience of labourers

Identification of factors shaping tender prices for lightweight

Modelling Delays in Bridge Construction Projects Based on the Logit and Probit Regression

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