Abstract
There are approximately 6,677,000 apartment housing units in South Korea. Exterior wall painting for such multi-dwelling apartment housings in South Korea represents a typical area to which construction automation technology can be applied for improvement in safety, productivity, quality, and cost over the conventional method. The conventional exterior wall painting is costly and labor-intensive, and it especially exposes workers to significant health and safety risks. The primary objective of this study is to design a conceptual model of an exterior wall painting robot which is applicable to apartment housing construction and maintenance, and to conduct its technical·economical feasibility analyses. In this study, a design concept using a high ladder truck is proposed as the best alternative for automation of the exterior wall painting. Conclusions made in this study show that the proposed exterior wall painting robot is technically and economically feasible, and can greatly enhance safety, productivity, and quality compared to the conventional method. Finally, it is expected that the conceptual model of the exterior wall painting robot would be efficiently used in various applications in exterior wall finishing and maintenance of other architectural and civil structures such as commercial buildings, towers, and high-rise storage tanks.
Highlights
Most of the architectural buildings with concrete exterior walls are finished with paint, unless marbles, bricks, or curtain walls are used as exterior enclosures
A conceptual design of the Exteriorȱ Wallȱ Paintingȱ Robotȱ (EWPro) and its economic feasibility analysis model were proposed in an effort to automate exterior wall painting for apartment buildings
Based on the general and key technical considerations required for automation of exterior wall painting, the EWPro with a high ladder truck was selected as the best design alternative
Summary
Most of the architectural buildings with concrete exterior walls are finished with paint, unless marbles, bricks, or curtain walls are used as exterior enclosures. In South Korea, the most popular residential type is multidwelling apartment housings (12 to 25 story-building) and most of them are built with concrete wall enclosures finished by paint. The concept for apartment housing in South Korea is similar to the one of condominium in North America where multi-dwelling units share stairs, elevators, and some common structures, while each apartment unit is owned separately. In South Korea, the apartment housing has spread to the suburbs of the large cities, where gardens, tennis courts, and children's playgrounds are included for communities. A phenomenal increase in construction of apartment housing has taken place since 1990 in all large cities, reaching a peak in Seoul, where many individual houses are largely replaced with apartments (Kim, Y. et al, 2007). The Korean national statistical office (2005) reported that the total amount of contracts in apartment housing construction was 84 billion dollars which was
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