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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Architectural Institute of Korea
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Volume & Issues
Volume 12, Issue 2 - Dec 2010
Volume 12, Issue 1 - Jun 2010
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Multi-Sensory Environment and Agitated Behavior in Ageing Residents with Dementia
Lee, Sook-Young ; Morelli, Agneta ;
Architectural research, volume 12, issue 1, 2010, Pages 1~8
DOI : 10.5659/AIKAR.2010.12.1.1
This research paper explores selected behavioral outcomes of a multi-sensory environment. An experimental study was conducted at a specialized facility for the ageing in Sweden. The objective was to explore the effects of agitated behaviors of ageing residents with dementia and to identify any short-term effects. Appointed nursing staff was instructed to record physically and verbally agitated behaviors on three occasions; pre-session, mid-session, and post-session. Over seven months, nine participants received sixty-one sessions in the multi-sensory room. ANOVA and Post hoc multiple comparisons were performed to identify the differences in mean between each session. Generally irritated/frustrated behavior and eating/drinking non foods revealed statistically significant differences, while there were no significant results in verbally agitated behavior. One short-term effect was observed in one agitated category; a reduction of generally irritated/frustrated behavior. These results suggest that the multi-sensory environment can have positive effects on some manifestations of agitated behavior. This study proposes that a multi-sensory environment may be recommended as an alternative intervention for physically agitated behavior among this category of residents. However, more research is needed to understand the specific effects and the best use of the multi-sensory environment for this population.
Workspace Visibility Graph Analysis (VGA) for Concentration Privacy and Group Relations in the Open-Plan Office Environment
Hong, Yeon-Koo ; Yoo, Uoo-Sang ;
Architectural research, volume 12, issue 1, 2010, Pages 9~14
DOI : 10.5659/AIKAR.2010.12.1.9
The present study explored the applicability of Visibility Graph Analysis (VGA) techniques to workplace design research. Six types of VGA measures in Depthmap encompassing visual connectivity, three types of visual integration, mean depth, and visual entropy were employed for the analysis of individual privacy for task concentration and group relationship behavior in the open-plan office environment. Data comprised 136 workers in 6 open-plan offices filled with low-paneled (1.2-1.5m) cubicle workspaces. For the statistical analysis, Spearman's rho correlations and t-tests were applied for the spatial and behavioral measures. The results showed that workspace VGA measures have a potential to be useful information to account for workers' concentration privacy and, limitedly, also informal relationships with team members. Visual entropy values especially offer reliable information to predict various aspects of office workers' privacy behavior while visual integration can be used to account for the workers' sense of trust in group relations. The study also discussed the limitation of VGA applications to the workplace context.
Framing Space and Identity - Examining Through the Space of Scholarship -
Kim, Jung-In ;
Architectural research, volume 12, issue 1, 2010, Pages 15~23
DOI : 10.5659/AIKAR.2010.12.1.15
This paper will discuss three different ways of framing relationships between identity and built forms mainly through the theoretical frame works of David Harvey, Christine M. Boyer, Jane M. Jacobs, Doreen Massey, Paul Rabinow, and Michel Foucault. From these scholars, this paper will argue the relationships between identity and built forms are categorized as such: "Becoming", "Politics of Difference", and "Construction of Self". Besides these three approaches of framing identity and built forms, relevant ideas will be drawn from the work of other scholars in so far as their theoretical positions relate and support these three key frameworks. To approach the critical points of each debate, these three categories are further analyzed by juxtaposing the epistemological positions between them. Through the comparisons, this paper illustrates the interrelationships and interdependence of these three categories whose discursive power gains rapid popularity in Western scholarships. By incorporating the three ways to view the relationship between built form and the identity of social groups, drawn is a suggestion for a broader imagining of new spatial identity.
The Development of Attitudes to Historic Conservation - From Eurocentrism to Cultural Diversity -
Chung, Seung-Jin ; Kim, Chang-Sung ;
Architectural research, volume 12, issue 1, 2010, Pages 25~32
DOI : 10.5659/AIKAR.2010.12.1.25
This paper investigates the development of attitudes to historic conservation from the turn of the nineteenth century when certain theoretical opinions on the protection of buildings began to be developed, through the time when the Venice Charter was established, to recent international trends in historic conservation. This paper also explores the contribution of these attitudes and ideas towards an international approach for historic conservation. This paper demonstrates that the Venice Charter is the acme of progress in the European stance towards restoration, reflecting European values of architecture and its conservation, and thus it is not sufficiently 'universal' to be unequivocally applied in non-Western countries. Secondly, recent international trends in historic conservation subvert the notions of Western cultural hegemony which have permeated global conservation practices, and accept the diversity of value criteria for heritage and its conservation in different cultural context. Thirdly, this paper argues that the conservation approaches in Asian societies need to move further into the retention and extension of the spirit and naturalistic sensibilities inherent in the architecture. Historic conservation is an expression of different cultural values attached to heritage resources by different societies. For conservation program to be effective, conservation should take place within a socio-cultural context.
Adjusted Techniques by Architects Trained as Craftsmen - Cases of Adolf Loos, Mies van der Rohe, Peter Zumthor -
Song, Ha-Yub ;
Architectural research, volume 12, issue 1, 2010, Pages 33~38
DOI : 10.5659/AIKAR.2010.12.1.33
Many theorists acknowledge that Modern architecture denied the architect's crafty gesture for the sake of pure formal and compositional status of a building. As well, modern technology in construction has been prevailing as the sole support for modern architecture. But there exists architects who proposed a dialectic development of traditional and modern techniques. This thought was prominent in Germanic circle where technological development was in advance. Throughout
century, the works of Adolf Loos, Mies Van der Rohe, and Peter Zumthor are representatives in each period. A common point begins from their apprenticeships as craftsmen: Loos and Mies as stonemasons, Zumthor as a cabinetmaker. More than this fact, their craftsmanship is embedded in their works and express creativity of architects. While mass production system raises non-participatory practice that merely require assemblage of products, the adjusted techniques with craftsmanship brings forth a participatory practice that does not limit the creativity of architects.
Topology Optimization of Plane Structures using Modal Strain Energy for Fundamental Frequency Maximization
Lee, Sang-Jin ; Bae, Jung-Eun ;
Architectural research, volume 12, issue 1, 2010, Pages 39~47
DOI : 10.5659/AIKAR.2010.12.1.39
This paper describes a topology optimization technique which can maximize the fundamental frequency of the structures. The fundamental frequency maximization is achieved by means of the minimization of modal strain energy as an inverse problem so that the strain energy based resizing algorithm is directly used in this study. The strain energy to be minimized is therefore employed as the objective function and the initial volume of structures is used as the constraint function. Multi-frequency problem is considered by the introduction of the weight which is used to combine several target modal strain energy terms into one scalar objective function. Several numerical examples are presented to investigate the performance of the proposed topology optimization technique. From numerical tests, it is found to be that the proposed optimization technique is extremely effective to maximize the fundamental frequency of structure and can successfully consider the multi-frequency problems in the topology optimization process.
Use of Stone Powder Sludge in Fly Ash-Based Geopolymer
Choi, Se-Jin ;
Architectural research, volume 12, issue 1, 2010, Pages 49~55
DOI : 10.5659/AIKAR.2010.12.1.49
Stone powder sludge is a by-product of the manufacturing process of crushed sand. Most of it is dumped with soil in landfills, and the disposal of stone powder sludge causes a major environmental problem. This paper investigates the applicability of stone powder sludge in fly ashbased geopolymer. For this, stone powder sludge was used to replace fly ash at a replacement ratio of 50% and 100% by weight. The compressive strength of the samples was measured and scanning electron microscopy/ energy dispersive spectroscopy (SEM/EDS) analysis and X-ray diffraction (XRD) were performed. The test results indicated that the optimum level of the alkali activator ratio (
/NaOH) for fly ash-based geopolymer using stone powder sludge was 1.5. The strength development is closely related to the NaOH solution concentration. In addition, the compressive strength of the sample cured at
was significantly improved between 7 days and 28 days, even though the strength of the sample showed the lowest value at 7 days. Microscopy results indicated that a higher proportion of unreacted fly ash spheres remained in the sample with 5M NaOH, and some pores on the surface of the sample were observed.
A Risk Performance Measurement System for the Mega-Project
Kim, Seon-Gyoo ;
Architectural research, volume 12, issue 1, 2010, Pages 57~64
DOI : 10.5659/AIKAR.2010.12.1.57
In recent years, interests and studies on the urban regeneration projects have been increased and largely conducted. It is a part of the effort that solves some social and economical problems occurred by deteriorated buildings and degraded infrastructures through new urban regeneration projects or redevelopment projects. However, the urban regeneration projects show the characteristics that can not guarantee in the project performance because the projects have various and complex stakeholders related to these projects and are exposed to lots of risks due to its huge scale. This study proposed the risk performance index method to improve the efficiency of the overall performance measurement for a mega-project by extending from the traditional cost/schedule based performance measurement system. The risk performance index method proposed in this study has a similar system to the EVMS, and makes possible to perform a three dimensional integrated performance measurement in cost/schedule/risk through 18 different indexes that compose the risk performance index.