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Research Achievements

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Titel Development of Off-site High-speed Modular Construction Technology
Manage Buillding and Urban Research Instiute Date 2017.10.25 Hit 72

 

 

Development of Off-site High-speed Modular Construction Technology

 

Project Leader: Lim, Seok-Ho (Senior Research Fellow, shlim@kict.re.kr)

 

 

The KICT has conducted research for the modular architecture among the public and the mid-to high rise buildings, and through this effort, the researchers have carried out world-class modular architectural element technologies and have reflected them on policy.
 
Currently, the KICT have developed a series of technologies such as modular architecture BIM integrated design technology, modular building structural safety (under technology development), modular building sound environmental performance, modular building energy performance, and modular building fireproof performance. Based on these technologies, it suggested policies reflecting the characteristics of modular buildings and revised them.
 
In addition, through the modular factory construction, we have built a system to produce the buildings and modules at a factory and deliver them to the site in order to assembly and complete the building. As a result, we are aiming to shorten the construction time, reduce waste, reduce construction cost, reduce energy usage, and improve quality, leading future construction business.
 
 
 
■ Research background
 
Modular architectural design and engineering technology development is a research that improves system for “BIM-based high-rise modular architecture design, high-rise modular building structure system and fireproof performance improvement technology, improvement of system for modular building promotion”; that is, a key technology for realizing middle-tiered buildings over 15 floors, considering domestic modular building technology that remains on the 4th floor.
 
In the future, in order to preoccupy the world market of global future architecture, it is urgent to research and develop for securing source technology of high-rise modular construction technology for various purposes. As the construction industry system has changed due to the production method of off-site factory, while the construction manpower shortage and the aging of the existing professional manpower has increased labor costs, it is necessary to reduce construction cost burden with product type modular structure export, fundamentally changing profit structure of Korea’s domestic construction industry through effective R&D.
 
 
 
BIM Integrated Design System BIM Integrated Design System
▲ BIM Integrated Design System
 
 
 
■ Research content
 
The KICT has applied BIM integrated design system to solve problems (structural safety, noise, airtightness, fire resistance) of existing modular buildings and to maximize prefabrication and efficiency.
 
• Modular construction BIM integrated design technology
• Modular construction structural safety
• Modular construction sound environmental performance
• Modular construction energy performance
• Modular construction fire resistance performance
 
 
 
Modular construction structure safety evaluation technology
▲ Modular construction structure safety evaluation technology
 
 
 
■  Research achievement
 
This study aims at developing element technology of modular architecture. To this end, we have pursued development technology and evaluation, policy proposal, and field application along with many other academic achievements such as international SCI thesis and industrial property rights.
 
• Improvement of the existing system by amending “Performance and Production Standards for Industrialized Housing (related to Article 13)” of “Regulations on Housing Construction Standards, etc.”, and realizing performance and condensation standards of industrialized housing, complementing the shortcomings of the current system
• Reflected content of prefabricated housing test complex in Suseo: BIM design, structural joints, noise block floor structure, energy saving wall, and fireproof structure
• With regard to seven-story residential modular frame, lateral resistance design analysis modeling technique and evaluation of seismic performance
• Improvement of foundation fixation performance through development of embedded type pocket joint for module crane and demonstration application
• Secured structural performance (0.04 rad, special moment frame) through joint analysis and experiment between module air conditioning and verified reliability
• 4 cases of SCI, 36 cases of domestic papers, 32 cases of domestic patents, 3 cases of test reports, 2 cases of fire-resistant structure certificates
 
 
 
 
Ensuring structural stability through pseudo-dynamic experiments
▲ Ensuring structural stability through pseudo-dynamic experiments
 
 
 
■  Expected Effects
 
It will be possible to popularize the modular architecture and to pursue the future of the building industry through this time’s GLT selection technology (candidate). This model enables to develop public housing models in order to respond to new consumer demands; and off-site factory production would create high-quality jobs, changing social awareness of citizens. In addition, from the economic point of view, it is expected to reduce the construction cost through standardization and additional economical effects (reduction of construction cost by mass purchase of materials and parts, cost reduction by 90% compared to the existing RC methods thanks to increased factory production) As continuing research, the research will serve as a foundation to enter the global modular construction market that continues to grow.
In particular, after 2018, overseas exports of more than US $800 million are expected annually as the technology development of high-rise apartment complexes and hotels will be completed through the use of proprietary technologies in Korea, and. After 2017, when the technology test is completed as to medium-high complex houses, we will be able to expect the modular construction industry to grow rapidly.
 
 
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