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Permanent URI for this collectionhttps://hdl.handle.net/20.500.12416/398
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Article Citation - WoS: 23Citation - Scopus: 31An Integrated Framework on Soundscape Perception and Spatial Experience by Adapting Post-Occupancy Evaluation Methodology(Sage Publications Inc, 2018) Aburawis, Ayad A. Mohamed; Yorukoglu, Papatya Nur Dokmeci; Dokmeci Yorukoglu, Papatya NurThe effecting factors of soundscape perception and space experience have a very close relationship. This study aims to synthesize the diversity of soundscape classifications and schemes and unify such factorial variations in order to develop an integrated framework for soundscape perception and spatial experience within a systematic review of recent progress and by adapting post-occupancy evaluation methodology. First, factors under soundscape perception and space experience are reviewed in detail and merged to form conceptual classification models. Six soundscape perception factors are formed as (1) sonic, (2) spatial, (3) temporal, (4) psychological, (5) behavioural and (6) personal. Similarly, five space experience factors are formed as (1) user, (2) usage, (3) architectural design, (4) social context and (5) physical environment. All related items in the literature are presented and the sub-items under each factor are exemplified. Second, factors under the merged conceptual models are integrated by considering occupants' experience of space regarding their variance in perception of soundscapes through acoustical post-occupancy evaluation. An adapted study design is proposed under indicative, investigative and diagnostic stages of the post-occupancy evaluation by presenting the methods, data types and factorial correlations for each stage.Article DESIGN AND COUNTER DESIGN AGAINST CONSUMPTION: 1972 “ITALY, THE NEW DOMESTIC LANDSCAPE” EXHIBITION (1)(2023) Boysan, Aysu; Tunca, Gülru MutluIn Western Europe, the 1960s and 1970s covered the radical criticism of some European designers against mass production and consumption. Several Italian Radical designers raised the most compelling objection at an exhibition on the other side of the ocean: “Italy: The New Domestic Landscape” (INDL), curated by Emilio Ambasz in the Museum of Modern Art, New York, in 1972. INDL marked a significant moment in contemporary design history. For the show, Ambasz selected more than a hundred “objects” produced by Italian manufacturers and displayed them in specially designed cases in the garden area. Moreover, he invited eleven Italian designers to create unique “microenvironments” by interpreting concepts assigned by a “special design program,” such as environmental psychology, locality, urbanism, micro and macro-scale housing, consumerism, and mass production. Although the “objects” displayed in the garden were of great importance - since the event was one of the first instances of Italian design’s introduction to the American public-this study concentrates on the contradicting responses of Italian designers, under headings “design and counterdesign as postulation” for understanding the design philosophy behind the appearance of “design versus non-design” dialectics of that era, which is still a recognized topic in contemporary architectural theory. This study, therefore, analyzes the eclectic and postmodern approaches of six Italian designers in the “design” category and the provocative denials of Radical designers presented under the “counterdesign” category. It aims to understand better the impact of this discursive opposition made visible by the exhibition on the anticonsumerist approaches and the search for alternative methodologies, which subsequently increased among designers.Article Urbanity in the Open Spaces in Developing Nodes Along Main Arteries: Sogutozu Node on Dumlupinar Road in Ankara(Middle East Technical Univ, 2022) Uysal Bilge, Fulay; Dogu Demirbas, Guler Ufuk; Alanyali Aral, Ela; Demi˙rbaş, Güler Ufuk Doğu; Bi˙lge, Fulay Uysal; Aral, Ela AlanyaliThe effects of the main transportation arteries on the urban sprawl and the formation of new public spaces is an important topic of discussion today. Considering the urban roads, major arteries trigger fast development and the formation of a significant amount of urban open space together with buildings. Vehicular roads are the main elements that bring out urbanity and centrality by providing a combination of circulation at different speeds and making possible the interaction of users from local and remote areas ( Jacobs, 1969; Nijenhuis, 1994 and Read, 2006). In this context, sub-spaces were defined as public spaces that are beside / under / above / between / within vehicular roads and the sub-space perceptions of pedestrians in the case of the closest part of Ankara Eskisehir Road to the city center, were investigated in an earlier study (Alanyali Aral and Demirbas, 2015). In the current study, Sogutozu is defined as a developing node with its rapidly increasing built stock and function density on one of the most important transportation arteries of the city, and its urban features are discussed within the scope of the emerging open spaces. Despite the unsuitable conditions, Sogutozu node displays a constant pedestrian density, and with this feature, it exemplifies 'activity' as an important indicator, which Montgomery (1998) defines as one of the three components of the concept of 'urbanity'. Accordingly, a conceptual framework is developed on the characteristics of urbanity, activity and public space, and then the components of the open space stock are discussed within the scope of spaces of 'places' and 'flows' (Nijhuis and Jauslin, 2015) specific to developing nodes. Spaces of 'places' in developing nodes include privately owned public use spaces, in-between spaces and informal public spaces-'fourth place's (Aelbrecht, 2016). The spaces of the 'flows', on the other hand, are discussed as pedestrian spaces that enhance urbanity. In the case study, firstly the historical and current development of Sogutozu node is examined, and then a comprehensive model based on the relevant pedestrian needs is suggested to evaluate the activity-based urbanity the node. The defining elements of the activity-based urbanity are explored via map analysis and on-site observations, whereas the pedestrian perceptions in the node are investigated with the applied questionnaires. The results show that the pedestrian experience is negatively affected due to the conditional and intermittent pedestrian access, as well as the inability to provide physical, psychological and physiological comfort; nevertheless, many and various activities add vitality to the area which result in many informal public spaces (fourth places) formed at the entrances and transitions to the public and semi-public spaces. The questionnaire survey, which was conducted with fewer but still comparable numbers of users due to the pandemic conditions, included the pedestrian perception questions in the survey conducted in 2005-2007. It is seen that although today the perception of traffic such as noise increased slightly, the perception of air pollution and traffic safety problems decreased. Additionally, the perception of public space qualities like well-known and dynamic / lively spaces increased significantly and constituted the most common perception after the perception of noisy / tiresome space. The results reveal that open spaces in the node of Sogutozu, where mixed use, large-scale and fragmented complexes are dominant, cannot provide environmental and internal continuity as well as appropriate walking environment within the framework of activity-based urbanization, and thus necessitate a holistic urban design approach. The urbanism formed in this rapidly developing node can be enhanced by temporal and spatial continuities; in addition to provision of pedestrian comfort with the arrangements to reduce the negative effects of motor vehicle dominance. The overall evaluation validates that the open spaces in the node should be enriched with accessible spaces for all users, carefully designed indoor-outdoor relations, cultural uses, small-scale businesses and activities spanning time.Article Visual Comfort Assessment of Oled Lighting in an Indoor Office Environment(2022) Yenigül, Saadet Akbay; Avcı, Ayşe NihanVisual comfort is one of the significant criteria influencing good-quality lighting in an indoor environment. There are various technologies for delivering illumination in indoor installations; three important milestones are incandescent, fluorescent, and LED lighting. Alternative technologies, such as OLED (organic light-emitting diode) lighting, cannot be disregarded by a thorough examination. Few studies have investigated the influence of OLED lighting on visual comfort in terms of merely illuminance level. To this end, this study investigates the influence of OLED lighting conditions on visual comfort, including general comfort parameters—overall comfort, illuminance, brightness ratio, veiling reflections, colour, flicker effect, overall satisfaction—in an indoor office environment. Twelve members from the Faculty of Architecture, Çankaya University, voluntarily participated in the study. A full-scale indoor office environment was designed for the test environment, which was illuminated by OLED lighting (2900 K). An Office Lighting Survey was adopted to assess the general visual comfort of OLED lighting conditions in an indoor office environment. In contrast to earlier lighting studies, this study did not measure any task performance under the lighting condition. Instead, it focused solely on participants’ visual comfort evaluations when exposed to OLED lighting during their everyday routines in an indoor office environment. This study is a preliminary study for further investigations on the doctoral thesis.Article Citation - WoS: 3Citation - Scopus: 3Tensile Performance of Traditional and Modern Corner Joints in Wooden Structures(Zagreb Univ, Fac Forestry, 2022) Atar, Musa; Gode, Fazli; Kucuktuvek, Mustafa; Akan, Asli Er; Ormecioglu, Hilal Tugba; Keskin, HakanCorner joints are critical points of wooden structures not only in furniture construction but also in traditional wooden architecture, especially in constructions without nails. This study was performed to determine the effects of particular factors such as the axis of assembly, types of material, and adhesive on the tensile performance of various modern and traditional types of wooden corner joints. For this purpose, various corner joint specimens were prepared with three different wooden materials: Scots pine (Pinus sylvestris Lipsky) wood, Lombardy poplar (Populus nigra Lipsky) wood, and Medium Density Fibreboard (MDF) using two different adhesives: polyvinyl acetate (PVAc) and polyurethane (Desmodur-VTKA) glues; and five different wooden joint types: dowel, tongue-and-groove, half-blind dovetail, screw, and eccentric screw joints. Tensile performance tests, vertical and parallel to the axis of assembly, were carried out according to ASTM D 1037 guidelines. Experiments indicated that, while the tensile performance of MDF specimen connected with a screw and PVAc adhesive was the highest under loading parallel to the axis of assembly (4592 N); it was the lowest under loading parallel to the axis of assembly in MDF specimen connected with tongue-and-groove joint and PVAc adhesive (260 N), respectively. As a result, it may be advantageous to apply screwed joints in corners for high tensile strength in parallel to the axis of the assembly.Review Motivators for Green Buildings: A Review(2018) Akreim, Mohamed; Süzer, ÖzgeMotivators can be defined as specific catalysts that drive people to act in a certain way. These motivators are important for promoting green buildings and have a clear impact on decision-makers to adopt and implement the green building concept in architectural practice. This paper presents a comprehensive literature review to identify the important motivators for the adoption of green buildings among the stakeholders of the construction industry, the categorization and efficiency of green building motivators, and also the strategies for green building motivators. By reviewing 32 relevant studies conducted in different countries from 2008 to 2017, a total of 26 factors were identified as the main motivators to promote green buildings. These green building motivators were categorized into environmental, economic, and social motivators. With regard to efficiency, it was found that all green building motivators, whether environmental, economic or social are important for promoting green buildings and to determine a priority among these categories was not possible. The strategies for the adoption of green building motivators were also found. It is notable that the government has the greatest role to motivate stakeholders to adopt and implement the green building concept. The literature review of this study has a wide scope, covering most of the countries in the world, including developed and developing countries from the West to East. Hence, unlike most studies on the main issue of this paper that focus on a specific country or region, this in-depth research led to the development of a list of motivators for green buildings, derived from an extensive range of nations, which vary from environmental, economic, and social This paper is expected to provide valuable information for decision-makers in the construction industry, namely, governmental authorities, design teams, and owners of projects regarding what motivate people to help further promote green buildings. The findings may also be useful for researchers to pursue further analyses on similar topics.Conference Object Citation - Scopus: 4Analyzing Natural Lighting Conditions From the Perspective of Biophilic Design in Indoor Office Environments(Institute of Physics, 2022) Avci, A.N.; Karaman, G.D.The term "biophilic design"is recognized by some designers who coined a word for designing instinctively using fresh understandings, reasons, and views, which helps reconnect us with the natural world in the indoor environment. Within the various patterns that connect humans with nature, natural lighting provides an orientation to the day and night according to the sun's location and cycles, which is essential for human health and wellness. The supply and quality of natural lighting, including its influence on mood, have been extensively investigated and written about for many years in various locations and the overlapping science and design disciplines. This paper analyzes the biophilic design approach to mood for the natural lighting conditions that change according to the position of the office environments in winter. The selected two indoor office environments were located in the Faculty of Architecture at Çankaya University on Main Campus, on the second floor of the building. Office-1 overlooked the design studio, preventing it from taking natural lighting directly, and Office-2 directly penetrated the natural lighting. Natural lighting-based photos were taken from the selected offices during three periods of the day. The photos and a survey were directed at the two groups: Group 1 consisted of the students who took the Natural and Artificial Lighting Course, and Group 2 students who did not take this course. The experimental instruments analyzed their moods to evaluate natural lighting conditions. © Published under licence by IOP Publishing Ltd.Article Designing Parametric Rhizomes in Architectural Space(2021) Demirbaş, Güler Ufuk; Tunca, Gülru MutluThe technological developments in the world present a challenge to designstudio students and educators alike since the incorporation of computeraided design software into design education has become a necessity. Thispaper focuses on the 2019-2020 Spring Semester of INAR 302 InteriorDesign Studio IV at Çankaya University, which is a parametric designstudio where students are encouraged to experiment and utilize computerbased form-finding strategies, concentrating on the interior space. Therhizome concept of Deleuze and Guattari is reinterpreted by Studio 302as a design methodology, allowing students to experience the unorthodoxyof space-user dialectics in the inner voids of the parametric forms over theterm project of re-functioning a part of Ulus Square Office Complex as acity hotel with a futuristic extension. The study examines and evaluates thestudents' works, which derive conceptual ideas from the formal analysesof ceramic artworks in the Anafartalar Bazaar and environmental analysesof the historic site, transforming them into the parameters of futuristicarchitectural form and diverse rhizome interpretations. The findingsindicate that students' reinterpretations of \"variations\" in the ceramicartworks uncover multifaceted outcomes of digital design strategies,maintaining diverse rhizomatic progress, which synchronically determinesand is determined by the functional mutationsArticle Changes and Problems of Conservation in Ankara-Ulus Historical City Center: Koyunpazari Slope and Atpazari Square(Konya Technical Univ, Fac Architecture & design, 2021) Karakus, Filiz; Urak, Z. GedizPurpose In this study, the settlement located in Koyunpazari Slope and Hisar (Atpazari) Square, which has an important position in the Atpazari-Koyunpazari-Samanpazari area, which is the oldest part of the Ankara-Ulus Historical City Center, was examined in a way to include Cengelhan and Cukurhan. With this study, it is aimed to determine the changes and conservation problems in the field and to give direction to the changes planned for the future in the area. Design/Methodology/Approach Analysis and evaluation studies conducted in 1998 have been repeated in the mentioned area. Research and surveys have been conducted on the number of buildings in the area, the number of floors, the physical conditions of the buildings, the number of sub-units, types of activities, ownership status, frequency of purchasing goods, types of transportation, spatial competence, infrastructure competencies and future expectations of the working population. Findings As a result of these studies, the changes and problems occurred in the period from 1998 to 2020 have been determined. It has been observed that there are serious changes in the area due to cultural tourism, as in all over the world and in our country. The infrastructural deficiencies are the main problems identified in the area. Furthermore, it has been observed that the traffic problem has not been solved completely and also some buildings need repair. Research Limitations/Implications The fact that the field of study could not be expanded due to the application of the survey questions in the field of study in 1998 constitutes the limitations of this study. Social/Practical Implications With this study, it is aimed to draw attention to the conservation of the historical environment in Koyunpazari Street and Atpazari Square, which is an important point of the Ulus Historical City Center, and to create a social awareness about the preservation of the area in question. Originality/Value This study is significant as it discusses the conservation problems in one of the oldest areas of Ankara and aims to give direction to future changes in the field by formulating proposals for the solution of these problems.Article Acoustics and Speech Privacy in Open-Plan Offices: A Case Study on Computer-Based Task Performance(2018) Kitapçı, KıvançThe aim of this study is to find out the effects of speech and speech intelligibility on computer-based task performance in open-plan offices. The research was conducted in a real open-plan office environment to include the open-office experience of subjects to the analysis. STM Bilkent Office was selected as the case, and 40 available open-office occupants were participated to the study. The experiment consists of two main phases. In the first phase, acoustical simulation of the site was done, to derive distribution graphs for speech related room acoustics parameters. In the second phase, occupants’ computer-based task performances were tested under three different sound environments, which are continuous noise, speech and masked speech. According to statistical analysis of the performance test, and the acoustical properties of the case STM, suggestions for renovation were discussed. It was found that effects of intelligible speech on occupants’ task performance are only psychological, because it is significant that there is no difference between results of performance test. However, all of the occupants respond to the questionnaires that speech sound environment was the most distracting one. Proposal for renovation was given to minimize the effects of intelligible speech on occupants for preventing the long-term effects on occupants’ health.