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Subject: Barriers

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    Article
    Blockchain Integration for Circular Economy Adoption in Steel Construction
    (Emerald Group Publishing Ltd, 2026) Bilgin, Gozde; Birgonul, M. Talat; Akcay, Emre Caner; Dikmen, Irem; Demir, Berkan
    PurposeThe circular economy (CE) is an economic model aimed at minimizing waste and optimizing resource use by extending lifecycles through recycling, reuse, and other strategies. This shift from the traditional linear model (take-make-dispose) is crucial for a more sustainable and resilient built environment. Given its environmental impact, the steel construction industry holds significant importance in driving sustainability and CE efforts. This study aims to explore the potential of a blockchain(BC)-based framework to overcome barriers hindering the adoption of CE principles within the industrial steel construction sector, thereby promoting sustainability and circularity in the built environment.Design/methodology/approachA conceptual BC framework is proposed to enable effective recording, storing, and sharing of process-related data among stakeholders throughout the lifecycle of construction materials. The framework's validity is assessed through a focus group study conducted at a steel construction company, involving expert evaluations.FindingsExpert evaluations indicate that the BC-based framework can significantly enhance CE adoption by improving information flow, raising awareness, and fostering collaboration among ecosystem participants.Originality/valueThe study introduces an innovative application of BC technology tailored for the steel construction sector to address specific CE barriers, offering a novel approach that facilitates digital and sustainability transitions.
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    Master Thesis
    Türk İnşaat Sektöründe 3B Baski Teknolojisinin Benimsenmesini Etkileyen Ana Etkenler ve Engeller
    (2025) Latifiilkhechi, Leva; Aminbakhsh, Saman; Akçay, Emre Caner
    Bu çalışmada, Türk inşaat sektöründe 3B baskı teknolojisinin benimsenmesini etkileyen temel faktörler incelenmiştir. Bu doğrultuda, kapsamlı bir literatür taraması sonucunda 27 teşvik edici ve 19 engelleyici faktör belirlenmiş olup, bu faktörlerin değerlendirmesi 106 uzmandan oluşan bir anket çalışması ile yapılmıştır. Bu faktörlerin önemi, Göreceli Önem İndeksi (GÖİ) kullanılarak değerlendirilmiş ve ardından Analitik Hiyerarşi Prosesi (AHP) ile faktörlerin önem düzeyleri belirlenmiştir. 3B baskı teknolojisinin daha hızlı inşaat, iş kazalarının azalması, enerji verimliliğinin artması ve karmaşık tasarımların daha kolay uygulanması gibi avantajlar sunduğu görülse de, bu teknolojinin benimsenmesini engelleyen başlıca zorluklar arasında 3B Beton Baskı için yeterli düzenlemelerin ve yapı kodlarının eksikliği, büyük ölçekli uygulamalar konusunda sınırlı bilgi ve yalıtım malzemelerinin yetersizliği yer almaktadır. Araştırma sonuçları, malzeme israfını azaltma ve daha fazla özelleştirme imkânı sağlama gibi faktörlerin 3B baskının inşaat sektöründe benimsenmesinde en önemli etmen olduğunu, gözetim maliyetlerinin azaltılmasının ise en az önemli teşvik edici faktör olduğunu ortaya koymuştur. Diğer yandan, siber güvenlik riskleri, potansiyel iş kayıpları ve basılı yapıların katmanlı ve pürüzlü yüzeyleri, en kritik engeller olarak belirlenmiştir. Bu araştırma, 3B baskı teknolojisinin inşaat sektörüne entegrasyonunun artırılması için bu etmenlerin ve engellerin hedefe yönelik stratejilerle ele alınması gerektiğini vurgulamaktadır.
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    Conference Object
    Investigating the Barriers To the Adoption of 3d Printing Technology in the Turkish Construction Industry
    (Springer International Publishing Ag, 2025) Latifiilkhechi, Leva; Aminbakhsh, Saman; Akcay, Emre Caner
    In recent years, 3D printing has emerged as a transformative force in construction technology. This innovative technology has found applications in many construction and bridge-building projects, starting a new era of automation and efficiency. Notably, the impact of 3D printing on the construction industry has been profound, yielding benefits such as reduced labor requirements, minimized material waste, accelerated project timelines, and a significant reduction in hazardous tasks for human workers. In contrast to conventional construction approaches, 3D printing stands out for its environmentally friendly characteristics, challenging traditional notions of geometric complexities and constraints in construction processes. While 3D printing technology undeniably offers a multitude of advantages over traditional methodologies, it is crucial to acknowledge that it also introduces its own set of unique challenges and risks. The main aim of this study is to investigate the barriers that hinder the adoption of 3D printing technology in the Turkish construction industry. Towards this, first, the list of potential barriers was extracted from multiple reputable sources, including Scopus, ScienceDirect and Web of Science databases. Based on this list, an online questionnaire was prepared to assess the impact of 19 potential barriers on the implementation of 3D printing technology in the Turkish construction industry. The findings and research directions articulated in this study create fresh pathways for further inquiry and substantial contributions to the evolving field of 3D printing in the construction industry.