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COAR Access Rights: open accessSubject: Ankara

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    Article
    Citation - WoS: 2
    Citation - Scopus: 1
    A Close Examination of Ankara's Reinforced Concrete Buildings Designed and Constructed Between 1923 and 1938
    (Mdpi, 2023) Tunc, Gokhan; Tunc, Tanfer Emin
    The Republic of Turkey was established in 1923 out of the remains of the Ottoman Empire. Between 1923 and 1938, the Turkish republic underwent fifteen years of rapid expansion and growth, with Ankara as its new capital and Mustafa Kemal Ataturk (1881-1938) as its first president. During this period, reinforced concrete (RC) played a significant role in the construction of Ankara's public-use buildings. This study focuses on 57 of these structures, built either partially, or entirely, out of RC. The buildings are classified with respect to their duration, soil properties, foundation types, structural design details, construction types, materials and overall costs. In order to provide a better picture of the time period in which these buildings were designed and constructed, the technical, financial and political aspects of the projects, and the difficulties and challenges involved in their design and construction, are also discussed. Furthermore, this study outlines the impact of foreign engineers, construction workers, firms and the educational system on the development of civil engineering and use of RC in Turkey.
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    Conference Object
    Citation - WoS: 1
    Citation - Scopus: 1
    Alternative Solutions for Urban Housing: the Case of Batikent Settlement, Ankara, Turkey
    (Wit Press, 2017) Atici, Melike
    The present study is an effort to remember and reveal the potentials of Batikent settlement which was realized in the west part of the capital city of Turkey, Ankara in 1980s. In the period after 2nd World War, big cities in Turkey, like many other countries, entered in the process of rapid urbanization under the influence of mechanization in agriculture and migration from rural to urban areas. Increase in the population of cities and scarcity of shelter brought with the emergence of squatter areas. Batikent settlement was developed as a flagship solution to this housing problem and established a precedent with its model of implementation for future urban cohabitations. Batikent, as a new settlement area, was initiated by Municipality of Ankara and developed a never-before-seen operational model with three main collaborators: central government, municipality and association of housing cooperatives (Kent-Koop). Separation of roles - such as passing fiscal and housing laws, providing financial support, expropriation of land, constructing technical infrastructure, establishing municipal and commercial services, preparing master plan and designing site and house plans - through these collaborators provided this new mass development project with effective, practical and economical solutions. This study will focus on how Batikent was developed as a platform for innovation with the operational model based on dialogue between different parties. Collection of plans from master plans to layouts of apartments, meeting notes and feasibility studies documented and published by Kent-Koop will be used in this study to achieve a better understanding of the planning process of this exemplary quarter.
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    Article
    Urbanity in the Open Spaces in Developing Nodes Along Main Arteries: Sogutozu Node on Dumlupinar Road in Ankara
    (Middle East Technical Univ, 2022) Alanyali Aral, Ela; Uysal Bilge, Fulay; Dogu Demirbas, Guler Ufuk
    The 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.