Journal of
the Architectural Institute of Korea

Monthly
  • ISSN : 2733-6239(Print)
  • ISSN : 2733-6247(Online)

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Morphological and Functional Characteristics of Public Stairways in Aging Hillside Housing Urban Areas

오성헌(Oh, Seong-Heon) ; 박소현(Park, So-Hyun)

https://doi.org/10.5659/JAIK.2026.42.9.3

This study aims to examine the morphological and functional characteristics of public stairways in aging hillside housing urban areasfrom the perspective of living infrastructure, focusing on the Mangyang-ro areas in Busan. The Mangyang-ro area is a representative hillside residential environment where self-organized residential formation and modern housing improvement processes have overlapped. Due to its steep topography, irregular small-scale plots, and limited spatial structure, the application of conventional urban infrastructure has been restricted Within these conditions, public stairways have functioned beyond simple pedestrian facilities. They have accommodated various everyday activities, including residential access, utility facilities, temporary staying, resting, and social interaction among residents. The analysis shows that public stairways support the sustainability of hillside housing urban areas by externalizing domestic functions that cannot be fully accommodated within housing interiors and by structuring social space through repeated acts of staying and interaction. Therefore, this study identifies public stairways not merely as circulation facilities, but as essential living infrastructure elements that sustain everyday life and social relationships in aging hillside housing urban areas.

An Analysis of Housing Research Trends in Korea Using Topic Modeling and Network Analysis

김정우(Kim, Jung Woo) ; 김영우(Kim, Youngwoo)

https://doi.org/10.5659/JAIK.2026.42.9.15

This study analyzes long-term trends in Korean housing research using the English abstracts of 2,035 housing-related articles published in the Journal of the Architectural Institute of Korea from 1986 to 2021. Using LDA topic modeling and network analysis, 57 topics are identified, and the top 16 are selected for in-depth examination of annual prevalence, inter-topic connectivity, and topic-specific methodological patterns. The results indicate that Korean housing research has expanded from a focus on physical planning and housing form toward broader themes, including resident characteristics, housing welfare, indoor environmental quality, energy performance, and carbon reduction. Methodologically, the field has shifted from qualitative and case-based approaches to more quantitative and data-driven methods, such as surveys, statistical analysis, GIS, simulations, and network analysis. This study contributes to a systematic understanding of the development of Korean housing research by integrating thematic evolution and topic?method linkages. Future research should expand the dataset and incorporate policy-related data to more directly examine the relationship between social and institutional change and housing research trends.

Control Mechanisms for Visitors in Museum Exhibition Spaces

이민주(Lee, Min-Ju) ; 황희준(Whang, Hee-Joon)

https://doi.org/10.5659/JAIK.2026.42.9.27

This study addresses limitations in museum space research that has relied primarily on Michel Foucault’s concept of disciplinary society by introducing Han Byung-Chul’s Burnout Society to reinterpret control mechanisms in museum spaces. Both the disciplinary society and the Burnout Society are redefined from the perspective of visitor experience as spatial conditions that generate coercion and autonomy. Based on this distinction, an analytical framework focused on curation and circulation is established. Space syntax analysis is additionally employed to examine structural differences. The findings show that the National Museum of Modern and Contemporary Art (MMCA) Deoksugung and Mario Botta’s San Francisco Museum of Modern Art reflect disciplinary control mechanisms through forced circulation, whereas MMCA Seoul and the 21st Century Museum of Contemporary Art express Burnout Society mechanisms through interaction and diverse spatial experiences. Several cases also demonstrate coexistence or conflict between the two mechanisms. The study reveals that museums function as complex spatial systems where external coercion and internalized self-discipline intersect and therefore cannot be fully explained through a single theory or physical element. This research expands the interpretive framework of museum studies, demonstrates the spatial applicability of philosophical theory, and highlights the possibility of empirically examining museum control mechanisms through space syntax.

Continuous and Complementary Attributes in the Realization of Publicness Throughout the Development Process of Public Architecture

김예리(Kim, Yerie)

https://doi.org/10.5659/JAIK.2026.42.9.37

This study examines how publicness is realized throughout the planning, design, and operational phases of public architecture through three exemplary projects in Seoul. A phase-based framework consisting of intentionality, management, physical configuration, and civility was applied through content analysis of design competition guidelines, visual assessments, and non-participant observations of 44 users. The findings indicate that comprehensive pre-planning established publicness through the consideration of intended users, purposes, operational strategies, accessibility, participation, and social interaction. However, when these dimensions were not sufficiently integrated, gaps emerged between planning intentions, spatial implementation, and actual use. Although all cases demonstrated strong physical publicness during the design phase, remodeling constraints and limited program accessibility influenced user experiences. Publicness did not develop through a linear accumulation across project phases. Instead, it was continuously shaped through stakeholder negotiations, design modifications, and the ongoing involvement of architects, operators, and users. Therefore, publicness should be understood as a processual outcome generated through the continuous interaction among publicness dimensions, project actors, and development phases. The study suggests that improving phase-based delivery systems can strengthen continuity among stakeholders and support the integration of publicness throughout the project process.

Assessment of Pedestrian Accessibility and Usage Patterns of Dedicated Public Parks Using Urban Network Analysis

박진홍(Park, Jin-Hong) ; 강민규(Kang, Min-Gyu)

https://doi.org/10.5659/JAIK.2026.42.9.49

Dedicated public parks function as essential urban public spaces located within everyday living environments and are open to the general public, thereby contributing significantly to relaxation, leisure, and social interaction. However, both satisfaction levels and actual usage of these parks remain low. This stagnation is largely attributed to developer-driven supply practices, such as meeting only minimum regulatory requirements to obtain incentives or placing parks in locations with poor accessibility. This study proposes strategies to revitalize dedicated parks by assessing pedestrian accessibility and conducting field surveys to examine actual usage patterns. Through this integrated approach, parks with high pedestrian accessibility but low usage rates are identified, their environmental limitations are analyzed, and related policy implications are derived. The results indicate that park usage is not necessarily proportional to pedestrian accessibility. Instead, usage is strongly influenced by multiple environmental factors, including park size, amenity provision, availability of street furniture, locational characteristics, and specific design strategies. Based on these findings, active use of dedicated parks can be enhanced by implementing spatial designs tailored to local contexts and by expanding resting facilities.

Community Space and Intergenerational Program Needs in Intergenerational Housing Complexes

임해원(Lim, Haewon) ; 김희진(Kim, Hee-jin) ; 황지현(Hwang, Ji-Hyoun)

https://doi.org/10.5659/JAIK.2026.42.9.61

As population aging and housing insecurity increase, intergenerational housing has emerged as a promising approach to addressing social isolation and housing challenges. This study examines perceptions of intergenerational housing and community needs among younger adults(20s?30s) and older adults(50s?60s) in South Korea. A nationwide online survey was conducted with 1,144 respondents, and the data were analyzed using exploratory factor analysis, chi-square tests, and independent-samples t-tests. The results showed that older adults had greater awareness of intergenerational housing and a stronger willingness to participate in intergenerational activities. Both age groups identified social interaction as the primary motivation for participation. However, younger adults placed greater emphasis on practical benefits, such as housing affordability and convenience, whereas older adults valued mutual support and social participation more highly. Community facilities were grouped into six factors, and intergenerational programs were classified into three factors. Older adults showed stronger preferences for social interaction spaces and participation-oriented programs, while younger adults preferred convenience-oriented facilities and self-development activities. Care services were highly valued by both groups. These findings suggest that successful intergenerational housing should combine generation-specific strategies with shared spaces and support services that promote everyday interaction and mutual support.

A Study on the Spatial Configuration Characteristics of OSC Modular Multi-Family Housing Unit Plans

권윤지(Kwon, Yoon-Ji) ; 권오정(Kwon, Oh-Jung)

https://doi.org/10.5659/JAIK.2026.42.9.73

This study analyzes plan characteristics and spatial utilization of Off-Site Construction (OSC)-based modular housing, focusing on margin and flexible spaces within multi-family unit plans. Cases developed after 2010 were examined in terms of unit size, bay configuration, plan layout, and spatial use. The results show that domestic cases emphasize construction efficiency and repetitive modular systems, mainly in public housing, resulting in small, standardized unit plans, while international cases achieve greater diversity through varied modular combinations. These findings suggest that spatial characteristics of OSC-based modular housing are shaped by construction methods and design strategies, highlighting the role of margin spaces in enabling more flexible, user-centered residential environments.

Deriving Investment Priorities for PV, BIPV, and ESS in Public Building Design

오진웅(Oh, Jin-Woong) ; 정나연(Jung, Na-Yeon) ; 정다혜(Jung, Da-Hye) ; 안용한(Ahn, Yong-Han) ; 장한별(Jang, Han-Byeol)

https://doi.org/10.5659/JAIK.2026.42.9.83

This study develops a hybrid Life Cycle Cost (LCC) analysis framework based on ISO 15686-5 to evaluate the economic feasibility of photovoltaic (PV), Building-Integrated Photovoltaics (BIPV), and Energy Storage Systems (ESS) in public buildings and to derive investment priorities under budget constraints. Twelve system scenarios were analyzed over 40 years at a 4.5% social discount rate using actual 2025 design cost data. Among single-system scenarios, BIPV 100% (S4) achieved the highest economic feasibility with an NPV of approximately KRW 398 million, a B/C ratio of 2.39, and an IRR of 19%, driven by a high policy adjustment factor (k_policy = 6.12). The combined PV ?BIPV scenario (S7) was identified as the optimal hybrid configuration with an NPV of KRW 149 million. ESS-inclusive scenarios showed consistently low economic viability due to recurring battery replacement costs and round-trip energy losses. The proposed CAPEX?NPV matrix offers a practical decision-support tool for optimal system selection at the building design stage.

A Comparative Study of Vacant Housing Governance Arrangements

양석(YANG, SHUO) ; 이건원(Lee, Gunwon)

https://doi.org/10.5659/JAIK.2026.42.9.95

This study examines vacant housing under conditions of population decline by approaching it as a governance issue rather than merely as a problem of physical maintenance. Drawing on the Policy Arrangement Approach (PAA), it compares Korea, Japan, and selected European cases through four dimensions: rules, resources, actors, and discourses. The analysis shows that differences in vacant housing trajectories are shaped less by the existence of individual policy instruments than by how these dimensions are combined and coordinated. In Korea, strong administrative regulation and public intervention remain weakly connected to intermediary support and reuse-oriented coordination, thereby channeling implementation toward demolition-centered management. By contrast, Japan and the selected European cases show governance arrangements in which mediation, matching mechanisms, and use-right-based coordination support reuse-oriented pathways. The findings suggest that the Korean case is better understood not simply as a lack of policy tools, but as partial misalignment within its governance arrangement. The study highlights the importance of strengthening intermediary capacity and exploring use-right-based arrangements to broaden regeneration pathways. It further argues that vacant housing governance is not only an institutional issue, but also a condition shaping the retention of architectural typologies, adaptive reuse, and the continuity of urban fabric.

An Exploratory Pilot Study on Seating Preferences in Library Reading Rooms Based on Prospect-Refuge Theory

박근송(Piao, Gen-Song)

https://doi.org/10.5659/JAIK.2026.42.9.107

This exploratory pilot study applies a neuroarchitectural approach combining Prospect?Refuge Theory, the Visual Access and Exposure (VAE) model, and EEG-based biosignal analysis to examine seat preference behavior in a public library reading room. All findings should be interpreted as preliminary and hypothesis-generating rather than conclusive. Usage-time data from 170 seats served as the seat preference measure, VAE indicators were calculated for the same space, and six EEG indicators attention, engagement, excitement, stress, relaxation, and interest were recorded at 29 representative seats. Seats with higher visual exposure showed elevated excitement, lower relaxation, and shorter usage times, whereas seats with lower exposure were associated with higher attention, engagement, and interest alongside lower stress and longer usage. These patterns are broadly consistent with Prospect-Refuge Theory applied to indoor environments. Window-side seats exhibited somewhat higher engagement than non-window seats under comparable conditions; however, this is an exploratory observation based on a small sample (n=8) with uncontrolled confounding variables and should be interpreted with caution. This study provides preliminary indications to inform future user-centered, evidence-based spatial design research.