• 토지주택연구
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• 제10권2호
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• pp.59-67
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• 2019

The recent paradigm shift in the construction industry has led to a growing demand for industrial construction. In particular, interest in modular housing, one of the areas of industrialization architecture, is soaring. Modular housing is a construction method for completing a building by transporting factory-built modules to the site and assembling them. However, modular housing in Korea has various problems such as errors in design books, lack of factory drawings, and lack of on-site construction plans. BIM is a tool for accumulating, producing and managing various information through 3D models and is a solution to solve various problems of modular housing. In this study, problems of modular housing and BIM utilization of modular housing were presented as ways to ensure the quality of modular housing. Therefore, this study analyzed the problems that are occurring in the construction process of modular housing. And, to address the problem of modular housing, BIM utilization measures were proposed for each modular process step. However, the application of BIM in domestic modular project is currently being carried out in pilot research project. Because of this, the BIM utilize method for modular housing is limited based on the BIM use for general projects and the examples for some modular pilot projects.

• 토지주택연구
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• 제10권3호
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• pp.77-87
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• 2019

In Korea, the modular construction method was applied to the construction of facilities such as military barracks and school dormitories, beginning with the pilot project of Seoul New Elementary School in 2003. In 2017, public modular houses were supplied to Busan(Yongho-dong) and Seoul(Gayang-dong), and modular housing is expected to continue to be supplied in the future. However, there is no clear construction standard for the modular housing construction yet, and there are few cases where the infill modular system is applied. Therefore, this study established the work breakdown structure and proposed a standard process focusing on the infill modular system applied to the construction of Dujeong-dong modular house in Cheonan. Level 1 of the work breakdown structure by construction stage of Infill modular was defined as modular manufacturing, assembly, and finishing process. Level 2 was defined as preparation, modular production, modular infill, modular fixing, floor plastering, building finishing, and other site finishing. Level 3 is defined as 57 detailed unit work of infill modular construction. The standard process of infill modular is proposed for the assembly stage that is commonly applicable to infill modular housing construction. The results of this study can be used for the process plan, transportation plan, lifting plan of modular housing construction.

• 토지주택연구
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• 제10권3호
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• pp.67-75
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• 2019

The modular construction means that more than 70% of the parts such as walls, windows, electrical wiring, facility piping, bathrooms, and kitchen appliances are pre-assembled at the factory and transported to the site. It is possible to shorten the construction period than general construction work and to secure high quality through modular mass production since the modular construction works in the field at the same time as the modular production. However, there are only four domestic modular manufacturers, and each company's modular components and construction methods are different, so it is necessary to standardize them. Therefore, this study investigated the construction process centering on the stacking method of modular housing construction work applied to D site in Cheonan-si, and proposed the key points of quality management by construction stage. As the project was conducted as a pilot project for government R&D projects, some differences may occur from general modular housing construction. However, the construction process and quality control focus of each unit box type modular house analyzed in this study can be used as basic data in the future of modular housing construction. In addition, the results of this study can be used to establish construction standards, such as the development of checklists and establishment of standard processes.

• 대한건축학회논문집:계획계
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• 제34권4호
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• pp.19-25
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• 2018

At present, there are many companies that can produce modular housing. However, if the housing projects are conducted without design standards and principles, each company will supply housing according to its own design standards, resulting in a loss of opportunity to promote standardization at a national level. Korea's modular construction technology is still in its infancy, and there is a lack of MC design applications due to the limited construction market. In recent years, however, related R&D has been carried out by the Ministry of Land, Infrastructure and Transport in order to activate modular construction. As a result, test-beds for public rental housing are currently being built, and the public rental housing applied with the modular construction method is expected to spread in the near future. In this regard, this study seeks to promote more economical and efficient production and supply of modular housing. To this end, it investigates the current status of modular construction, analyzes the problems and proposes a serious of MC design standards as part of the design standardization and open system for modular housing industry to solve the problems.

• 한국주거학회논문집
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• 제27권6호
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• pp.137-144
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• 2016

In modular architecture, manufacturing drawing which includes whole information for modular unit production is essential since works for modular unit have to be performed in manufacturing factory not construction field. Although the manufacturing drawing is important as known it is insufficient to utilize the manufacturing drawing in modular architecture project and this makes modular unit low-quality with re-work and work time delay. To prevent low-quality modular unit caused by insufficient manufacturing drawing, in this research firstly manufacturing drawing's current situation and error cases in manufacturing phase of past modular housing project were analyzed, and correlation between reduction of errors occurance frequency and improving manufacturing drawing was verified. Secondly manufacturing drawing improvement factors were deducted in interior, furniture, mechanical work phase which errors' occurance rate is high and the way of deducting manufacturing drawing lists and contents were suggested with light-weight work as an example in case of new type of errors occurance. A series of research process can contribute to good-quality modular unit by errors reduction. As a result of research, about half of errors occurance can be reduced with suggested manufacturing drawing improvement factors. And the manufacturing drawing process can contribute to modular production which have uniform quality.

• 한국주거학회논문집
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• 제24권3호
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• pp.19-26
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• 2013

The purpose of this research is to provide basic data for the promotion strategy to activate modular construction system as residential facilities, through a study on the architectural planning, institutions and policies and research on connection details, for the use as residential facilities of the modular construction that is not actively supplied for the general residential facilities. As a result, I suggest sample model plan of domestic and foreign case analysis and characteristic of modular construction and practical application of modular construction for Residential Facilities. Owing to many advantages including short construction period structural stability and economic benefits, modular construction is expected to play a role as residential alternative of socially controversial affordable housing and weekend homes, and potential housing shortage after reunification; and to contribute to the development of design automation and industrialized constructions. Though Korea is still lacking development of the system that meets the domestic context, if supported by ongoing researches on the development of construction methods, materials and details, the settlement of appropriate modular residential facilities to suit the national situation will serve a possible alternative solution for many housing and environmental problems.

• 토지주택연구
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• 제5권4호
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• pp.305-314
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• 2014

노동집약적 현장중심의 습식공법의 한계로 인해 기술집약적이고 공장생산방식인 유닛 모듈러 공법이 주목을 받고 있다. 국내에서도 유닛 모듈러 공법을 개발하여 학교, 기숙사, 군막사 등에 활발히 적용하고 있으나 주거용 건축물에는 적용하지 못하고 있다. 그 이유는 거주성능에 대한 검증이 부족하고, 경제성에 대한 확신이 부족하기 때문이다. 따라서 본 연구는 모듈러 공법의 기술발전과 주거용 건축물로의 적용을 활성화하기 위해 모듈러 주택의 경제성을 분석하였다. 연구결과에 의하면 건설원가만을 단순 비교했을 때 모듈러 주택의 건설원가는 약 6.2% 상승하는 것으로 나타났다. 그러나 모듈러 주택의 장점인 공기단축이나 공장생산을 통한 생산성을 제고할 경우, 모듈러 주택의 건설원가는 벽식구조 주택과 비슷한 수준이 될 것으로 판단된다.

• 한국건축시공학회지
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• 제14권6호
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• pp.631-637
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• 2014

최근 모듈러주택 시장은 주거시설 뿐만 아니라 업무시설등에 적용되면서 시장영역이 확대되고 있다. 해외 선진국의 경우 성숙단계로 접어들고 있으며, 국내의 경우 시장이 형성되어 있지 않기 때문에 중 장기 시장 전망을 위한 추세 파악에 어려움이 있다. 이에 본 연구는 시계열 분석을 기반으로 비선형 예측모형을 활용하여 국내 모듈러주택의 시장수요를 전망하였다. 모듈러주택 시장수요 전망은 신규 주택 건설에 대한 수요량 추정 결과를 기반으로 주택 공급량을 파악하고 주택공급량의 일부를 모듈러주택 수요로 가정하여 시나리오분석을 하였으며, 비선형 예측모형을 활용하여 모듈러주택 시장 전망을 하였다.

• KIEAE Journal
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• 제12권6호
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• pp.77-84
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• 2012

The current architectural design of unit modular has been based on 2D of CAD program, so unit modular character which needs unit information management, as a dried-member system, has no effect on design process. The purpose of this study is We have developed a suitable BIM design process, according to various works of construction, then tried to contribute to supply and activation of the urban-life-housing based on unit modular. The BIM modeling process based on unit modular has been in order of unit combination with preparing manual classification, and, it has been constructed, at construction site, from housing foundation to roof finish by Bottom-up method. At a manufacturing factory, it has been produced in order of 1) grouping materials and parts, 2) fabricating unit boxes, and 3) interference examination of unit boxes, and each order has been classified as housing structure, architecture, plumbing process separately. At a construction site, the fabrication has been done in order of, like as a real housing construction scenario, 1) RC foundation work 2) unit module job-site-fabrication work, 3) roof truss work, 4) plumbing and HVAC work, and 5) housing interior finish work. After modeling process, the interference examination on each work of construction has finally completed modeling. The Unit modular utilizing BIM modeling can make easy housing maintenance through systematic control with preparing manual of unit module information, and securing accurate and speedy construction information. And it will promote design credibility and create maximum effect of unit modular construction method, such as construction period reduction and upgrade of construction quality, etc., through the computer simulation as real as construction environment in cyber space, and with the interfering examination.

• 토지주택연구
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• 제14권1호
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• pp.115-122
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• 2023

최근 Covid-19 및 건설현장 인력 고령화 등으로 인하여 공동주택 생산성은 악화되고 있는 실정이다. 이에 탈현장(Off-Site Construction) 기반의 공장생산 방식으로의 공동주택 건설 방향 전환이 필요하다. 모듈러 공법은 공기단축이 가능하여 스마트 건축시스템으로 각광받고 있다. 이 연구에서는 모듈러 공법의 공기단축을 극대화 할 수 있는 PC코어 시스템을 개발하고, 구조성능을 해석적 연구를 통하여 검증하였다. 제안된 PC코어 시스템은 완전 PC형태로 이루어져 있으며, 접합방식은 건식 접합이다. 연구 결과, 제안된 PC코어 시스템은 모듈러 주택에 사용가능한 구조성능을 확보한 것으로 나타났다.