Abstract
Bearing wall apartments have been introduced to meet the needs of population growth in metropolis since 1980 in Korea. It is extremely difficult to remodel bearing wall apartments. Noises and vibrations generated between floors are also problems to solve. This paper introduces rahmen structures that enable easy remodel. Modularized Hybrid System(MHS) is demonstrated to be effective in terms of material quantity, construction costs, and amount of <TEX>$CO_2$</TEX> emission compared with those of bearing wall structures. Housings with MHS composite girder ensure the flexibility of architectural plan and easy remodel while the floor heights are maintained the same as bearing wall structures. The reduction of the concrete and reinforcing steels tonnage decreased construction cost of MHS multi-residential housings. The <TEX>$CO_2$</TEX> omission was also diminished in accordance with the reduction of construction materials. This paper describes new structural system adapting MHS frames to propose the extended life of residential housings and reduce the national resources by preventing unnecessary rebuilding of housings.
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