In-Fill 공법을 활용한 유닛모듈러 건축의 고층화에 관한 연구

A Study on the Application of the In-Fill Construction Method to High-Rise Unit Modular Buildings

A unit modular system is the construction method that includes factory-prefabricated room-sized volumetric units. The current range of applications of the unit modular system worldwide covers diverse building types such as hotels, student residences, military accommodations, and social buildings. In Korea, the system was first applied in 2003 to school buildings and has gradually expanded afterwards to the building types. The expansion, however is limited to the low-rise buildings with 4-story or less due to its structural limitations and recently there is pressure to extend this form of construction to the high-rise facilities, that is, 10 stories or more. There are two general forms of constructing high-rise buildings with the unit modular system: Hybrid method and Unit modular in-fill method. While the first category has been widely used in England to build mainly student residences for the last decade, the second, developed by a korean cruise-development specialized firm, is a relatively new approach and seldom applied to recent construction works in the world. The unit modular in-fill method consists of two step building procedures to complete a facility : Constructing the reinforced concrete, steel, or precast structures of a facility on site in parallel with manufacturing units in the factory and Combining those two on site to form the facility. This study builds a model building by means of the in-fill method that can be used later on as a reference facility. As well, the authors identify the pros and cons of the method as well as its applicability in terms of cost effectiveness and schedule management. Based on the findings in this study, future research that can improve the in-fill method is suggested.