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Building regulation for 3D printing in construction - case study
Factors affecting 3D printing technology adoption in construction”, 3D printing technology could offer multiple advantages over traditional techniques, including less material and energy usage (Berman, 2012; Khajavi et al., 2014; Labonnote et al., 2016; Walter et al., 2004), onsite production with fewer resource demands and lower related CO2 emissions over the entire product life cycle (Gebler et al., 2014). It also induces changes in labor structures, including a safer working environment, and generates shifts towards more digital and localized supply chains (Ghaffar et al., 2018). From an architect's point of view, 3D printing technology can shorten design and development cycles; allows customers to co-design products that can perfectly fit their demands and ambitions; enables the realization of the complex designs and quickly conducting design changes (Berman, 2012; Ghaffar et al., 2018; Khajavi et al., 2014; Labonnote et al., 2016; Walter et al., 2004). Until very recently, the construction industry was one of the most unfamiliar R&D fields for the robotics and automation community, despite the fact that this industry is one of the oldest and represents the largest economic sectors (Balaguer, Carlos and Mohamed Abderrahim.2008. Trends in Robotics and Automation in Construction. Spain: University Carlos III of Madrid). However, in recent years, the construction industry has become one of the most important research areas in the field of service robotics (Balaguer, Carlos and Mohamed Abderrahim.2008. Trends in Robotics and Automation in Construction. Spain: University Carlos III of Madrid). Nevertheless, building regulations do not follow the development of the need for 3D printing, and the legalization of 3D-printed buildings is still a fairly unknown term. This is supported by the fact that the first 3D house in America was only legalized in 2018. (Rivera, Madelaine.2019. Texas company plans to sell country's first permitted, 3D-printed house. Houston, USA: Fox News). Due to my interest in 3D printing in construction, I decided to do a case study of comparing building regulations for 3D printed houses in Germany and Croatia. An interview will be conducted to collect the data and two experts will be interviewed, one from Germany and one from Croatia. For the purpose of this case study, it will be proposed to build a cottage of approx. 52 m2, both in Zagreb (Croatia) and Augsburg (Germany). The focus will be on comparing the necessary requirements in comparison with traditional construction, obstacles, challenges and potential proposals for easier legalization of such facilities in the future.