Abstract

Introduction: As a result of the growth of urbanization in the world, the rate of construction and construction of residential and office buildings has increased significantly. The increase of new structures has not only increased the amount of energy consumption and the production of harmful gases, but also the many inefficiencies of these structures have caused many environmental complications. Buildings are one of the main causes of energy consumption in a world with extremely limited resources, especially for future generations. Studying the role of sustainability in the construction of green buildings from a negative perspective is also an important issue. According to the mentioned statistics, the lack of acceptance of sustainability in the construction industry and moving towards green structures will waste the country's non-renewable energy resources on a macro level and will lead to extensive social and environmental issues and consequences. This issue is also of interest from a research point of view, and the large number of articles related to green building in domestic scientific journals is proof of this claim. However, most of the previous studies have been promotional and descriptive and have emphasized the advantages of this method of construction, but the drivers and drivers of sustainability, which in practice cause movement in the direction of green buildings, have been neglected from the researchers' point of view. The contribution of the present research in knowledge enhancement and theoretical synergy is that this study is not only a review of existing theories and definitions, and with an approach based on a mixed exploratory design, an effort has been made to develop the theoretical drivers of sustainability in order to achieve the construction of green buildings. The current research answers this basic question, what is the pattern of drivers and motivations of sustainability for the construction of green buildings and to what extent is it valid?
Research method: This research is applied-developmental from the point of view of the goal, and from the point of view of the data collection method, it was done with cross-sectional survey method. Also, in line with the goal, an exploratory mixed research design was used. The community of participants of the qualitative part included university professors and managers of the Green Building Council and the Green Management Association of Iran. Sampling was done by targeted method and theoretical saturation was obtained with 16 interviews. The statistical population of the quantitative part included the managers and experts of the Green Building Council and the Green Management Association of Iran. The sample size was estimated to be 140 people using the rule of power analysis and the data was collected by simple random sampling method. The main tools for collecting research data are semi-structured interviews and researcher-made questionnaires. The interview consisted of 6 basic questions and was conducted in a semi-structured way. The research questionnaire includes 13 main constructs and 71 items with a five-point Likert scale. Thematic analysis was used to identify the categories of drivers and sustainability motivations for the construction of green buildings. Partial least squares method was used to validate the model. Data analysis was done in qualitative phase with Maxqda software and in quantitative phase with Smart PLS software.
Research findings: Research findings showed that in order to provide a model of drivers and motivations of sustainability for the construction of green buildings, expert interviews were conducted with 16 university professors and managers of the Green Building Council and Green Management Association of Iran. For this purpose, the interview protocol including 6 open questions was used. The interview was conducted with a semi-structured method and new questions were raised during the interview. Interviews were analyzed in MaxQDA software with thematic analysis method based on the approach proposed by Etrid-Sterling (2001) in 6 steps. As a result, 3 overarching themes, 13 organizing themes and 71 basic themes were obtained.
Conclusion: The results showed that environmental stimuli, economic stimuli and social stimuli affect government factors and social factors. The mentioned factors also affect the cost management, energy management and risk management by influencing legal factors and factors related to contractors. Finally, building aesthetics and security and safety issues lead to the construction of green buildings.