Abstract

External facades of buildings and other structures shape the image of every building, creating the architecture of cities. Traditional concrete forms, as a symbol of durability and stability, have been replaced by lightweight enclosures—for example, in the form of aluminium–glass facades and ventilated facades. In this paper, the authors attempt to verify the strength of influence and relations between the identified factors shaping the costs of facade system implementation using structural analysis. On the basis of the collected quantitative and qualitative data obtained as a result of research on design documentation and cost estimates of implemented public buildings, as well as on the basis of interviews conducted among experts, factors which have a real impact on the costs of facade systems in the form of aluminium and glass facades and ventilated facades were identified. The indicated factors were analysed and classified using the method of structural analysis, namely the MICMAC method (refers to the French acronym for Cross-Impact Matrix Multiplication Applied to Classification). Particular influences and relations between factors were examined. Finally, six groups of factors influencing the costs of facade systems were identified, including regulatory factors that do not have a very strong impact on the level of costs, but which show a strong correlation with other factors; determinants that have a very strong impact on the costs; and a group of external factors that show the smallest influence on the estimation of façade cost.

Highlights

  • External facades of buildings and other structures shape the image of every building, creating the architecture of cities

  • Six groups of factors influencing the costs of facade systems were identified, including regulatory factors that do not have a very strong impact on the level of costs, but which show a strong correlation with other factors; determinants that have a very strong impact on the costs; and a group of external factors that show the smallest influence on the estimation of façade cost

  • Traditional concrete forms as a symbol of durability and stability have been replaced by lightweight enclosures—for example, in the form of aluminium–glass facades and ventilated facades [2]

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Summary

Introduction

External facades of buildings and other structures shape the image of every building, creating the architecture of cities. The panels can be made of many materials, including wood, fiber concrete, aluminium and ceramics Due to their high aesthetics, ventilated facades are increasingly often used as external parts of newly built buildings, Appl. The external facades of such buildings are no longer just the outer cladding itself, but a combination of many interdisciplinary functions They combine stability and reliability with aesthetics, usability [9], energy efficiency, and ecology [10]. Many works present attempts to identify factors and analyse them in terms of research issues and problems in the construction industry They concern, for example, factors shaping the costs of works [19], risk factors [20], factors affecting occupational safety [21], or determining energy consumption [22]. This is one of the methods for organizing and analyzing a set of variables, which enables the study of relationships and mutual relationships between them

Short Characteristic of Selected Facade Systems
Methodology
Identification of Factor Groups
The Second Stage
The Third Stage
The Fourth Stage
Results and Discussion
Results
Identified Cost Factors
Conduct and Results of Factor Analysis
Conclusions
Full Text
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