![]() This study is a first attempt to substitute the structure of the corner-supported modular building with rigidly foldable origami ensuring the path towards implementing more diverse morphology of origami designs like those envisioned by various research 11, 12, 13. The authors believe that the origami technique can be a solution to overcome the transportation limitations inherent to the modular building field, thanks to the modularity and folding/unfolding capabilities that it offers. ![]() The combined use of origami and modular would offer more innovation to the construction. The application of the origami technique is gaining attention in buildings as seen in Fig. Among the methods to obtain them, origami and kirigami derive their principles from the ancient Japanese art of paper folding and paper folding and cutting, respectively 10. ![]() To maximise the constructed volume, the unit is standardised and parallelepiped, consequently reducing the architectural design freedom and the societal appeal of the technology.ĭeployable structures are structures that change shape and size. Despite these advantages, modular units suffer transportation difficulties 1, restricting their weight, span, height, and width. This is due to the demand for reliable structures within a short period of time required for the quick erection of healthcare infrastructure 8. Though modular construction has experienced steady growth over the years, an accelerated expansion was observed during the covid-19 pandemic. Here, a pre-engineered structural frame is constructed that allows the sides of the room to be open. From an architectural viewpoint, the most advantageous ones are corner-supported modular units (Fig. Compared to the traditional onsite construction methods, modular building systems (MBS) can offer efficient material consumption 2, up to 70% less construction time 3 and 20% reduced cost with less workforce 4, 5, improved construction quality with desired structural stability 6, less construction wastage (up to 90%) 7, reduced energy consumption and reduced noise pollution (30–50%) 2. Modular building is an emerging construction method, where the construction work of a self-standing structural room or part of a room is performed in the external environment (factories) and leaves the assembly of more modules to be completed onsite 1. While this is a preliminary study and physical testing is needed, the positive results open the possibility of exploring highly deployable modular structures of novel shapes that can be employed during post-disaster and emergencies (Covid-19). It was found that, without increasing the self-weight of the system, the design of origami-like modular units can be tuned for high structural performances and various structural sizes, which can impact the usability of space and the aesthetics of architecture. The structural performances of the developed and foldable modular units were assessed through finite element analysis. The origami-like foldable system demonstrated superior efficiency in constructability, being highly compact during transportation and requiring few operations for the in-situ installation. The roof and floor panels of the modular units formed with steel joists were substituted with origami sandwich panels, while corner posts were substituted with origami columns. In this paper, a modular unit is designed which employs origami techniques. MBS is a volumetric prefabricated construction technique enhancing productivity in construction. However, there is a lack of knowledge on the structural behaviour of origami for architectural engineering applications. Origami is directly associated with the principles of the ancient Japanese art of paper folding, characterised by high morphological possibilities and ultimately creates foldable structures with tuneable mechanical properties. Modular building systems (MBS) and Origami are two emerging methods used in current construction practice.
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