The challenges of adopting and implementing lean construction (LC) have led to substantial but isolated research studies concerning the relevant barriers, enablers, and implications, which lack a comprehensive approach and analytical as well as conceptual perspectives. Hence, this study aims to fill the mentioned knowledge gap by identifying the barriers, enablers, and implications of implementing lean construction and exploring their relatedness. A systematic literature review was carried out through which 230 located studies were analyzed using thematic and content analysis methods to realize the objectives of this study. The findings suggest that the lack of awareness and understanding of LC, resistance to change, and a lack of support and commitment from top management are the top three barriers toward LC adoption and implementation, which can be overcome using the identified enablers, among which the top three ones were developing lean culture, application of lean principles tools and techniques, and top management support and commitment. Moreover, the results present a model which portrays the relatedness between the discovered barriers, enablers, and implications of applying lean construction. The findings can be insightful for the research community and project practitioners in their efforts for facilitating the adoption and implementation of lean construction.
Collaborative models and working practices have considerably contributed to the evolution of construction project delivery in the last four decades. The promising performance results of construction projects with collaborative delivery models are mostly attributed to their behavioral elements (e.g., mutual trust), which have been frequently mentioned in the literature. However, the interrelationships between these behavioral elements as well as the enablers of these behavioral elements are two knowledge gaps which need to be addressed. Therefore, this study aims to fill the mentioned knowledge gaps by addressing the behavioral elements of collaborative project delivery models from analytical and conceptual perspectives. To do so, a systematic literature review was undertaken by locating 201 relevant studies and reviewing them. This was followed by the thematic analysis of the obtained research data and the development of a model for meeting this study’s objectives. The findings present a model, illustrating the behavioral elements of collaborative delivery models in construction projects, their interrelationships, as well as their enablers. The model reveals that the establishment of equality and mutual respect between project team members is a fundamental step toward mutual trust and open communication. These findings can be insightful for the research community and project professionals interested in collaborative construction project delivery.
The shortage of constructive philosophies, principles, techniques, and tools in construction project delivery and sustainability before the 1990s, together with the abundance of them after 2000, creates two different eras which are of prime importance. The former one’s considerable advantage was a common understanding and set of practices (e.g., the critical path method for scheduling), which seems to be a goal to achieve in the later one. In this regard, the combination and integration of best practices, tools, and techniques in construction project delivery can be considerably helpful for benefiting from their advantages and covering their limitations. Thus, this study aims to develop a conceptual framework for lean and sustainable project delivery in building construction projects. To do so, a systematic literature review was carried out, through which 230 studies were located and analyzed via thematic analysis to realize the purpose of this study. The findings present a conceptual framework for project delivery which combines and integrates sustainability, lean construction, and building information modeling in terms of principles, practices, tools, and techniques. Practically, this study’s results inform practitioners in the construction industry on the lean and sustainable delivery of building construction projects.
Purpose The construction industry has considerably evolved in the recent two decades due to the emergence of sustainability, lean construction (LC) and building information modelling (BIM). Despite previous research efforts, there is still a gap concerning the multidimensional nature of their integration. Hence, this study aims to fill the mentioned knowledge gap through exploring and comparing the challenges, enablers, techniques as well as benefits of integrating LC with BIM and sustainability in building construction projects. Design/methodology/approach A systematic literature review was conducted to fulfill the purpose of this study. Findings The findings reveal and compare the challenges, enablers, techniques and benefits of integrating LC with BIM and sustainability in building construction projects. The results suggest that there are eight common challenges for integrating LC with BIM and sustainability, including high initial cost, lack of collaboration, lack of professionals and lack of compatible contractual framework. The discovered challenges, enablers, techniques and benefits seem to be mostly routed in people. The findings also suggest that the synergistic benefits of integrating LC with BIM and sustainability can overcome the common challenges (safety, reliability, productivity, collaboration and quality) in construction projects. Originality/value The findings contribute to the literature and practice concerning the integration of LC with BIM and sustainability by exploring, comparing and discussing the relevant challenges, enablers, techniques as well as benefits. Moreover, the findings reveal the significance of the development of people in construction industry, besides processes and technology, as people are always subject of activities in construction while processes and technology are always objects.
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