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ITU J Faculty Arch: 16 (1)
Volume: 16  Issue: 1 - March 2019
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COVER
1.Cover

Pages I - II

EDITORIAL
2.Editorial

Page III

THEORY ARTICLES
3.Estimation of airflow characteristics of indoor environments in the early design stage
İlker Karadağ, Nuri Serteser
doi: 10.5505/itujfa.2019.13007  Pages 1 - 9
Estimating indoor airflow characteristics of natural ventilation systems is very significant in the early design stage. It’s clear that for the early steps of design, existing numerical and experimental analysis methods are very time consuming and they require in depth knowledge of Fluid Dynamics. These methods are not efficient especially in the case that the building form changes dynamically. Besides, both wind tunnel testing and Computational Fluid Dynamics simulations are not efficient when it comes to taking output in real-time. Due to all of these reasons, a need for a fast and robust method occurs. Particle-based algorithms are efficient methods for this type of analyses however they have not been used in architectural aerodynamics. At this point, a very powerful method which doesn’t require mesh (control volume) is developed. In this study, the details of the developed algorithm and the output of it are given. The algorithm was assessed in three case studies of natural ventilation systems. As a result, it is seen that the developed algorithm can be a guide in building-wind interaction analysis for architects in the early design stage. However, in our paper, we do not only present case studies, but also an analysis methodology from architectural and engineering perspectives. This is significant because the methodology and the results of this paper constitute a guide for further researches on natural ventilation with a new method and consequently contribute to improved wind quality of indoor spaces.

4.CURVED.IT: A design tool to integrate making with curved folding into digital design process
Saadet Zeynep Bacınoğlu, Luka Piskorec, Toni Kotnik
doi: 10.5505/itujfa.2019.44712  Pages 11 - 27
The act of changing the direction of a sheet surface along a non-straight curve is a specific case of curved folding. From an architectural point of view, curved folding is an exciting operation. One or a couple of operation can generate highly complex shell-like spatial enclosure. From a digital design perspective, the implementation of curved folding with the built-in toolsets of available computer-aided design softwares is a challenging problem. The equilibrium state of curved folded geometry is needed to be found with a computational form-finding strategy. To use curved folding as a digital design operation, we introduce a new tool through developing a digital procedure for form-finding. The tool we develop can enable the experimentation with curved folding in the early stage of design process and facilitate the subsequent design development. In this article, we briefly present the literature focusing on curved folding in computational geometry, as well as the scope and description of a subclass of curved folding operation. Then, we introduce a digital tool, CURVED.IT through a design manual for its implementation and an algorithmic framework for its extension. Lastly, we discuss the design examples generated by CURVED.IT, and the potentials of the tool.

5.Architecture: Distinguished or ordinary network agents in the field of its representation
Burçin Başyazıcı, Belkıs Uluoğlu
doi: 10.5505/itujfa.2019.28190  Pages 29 - 42
This study will focus on the representation of Architecture with a capital A by questioning the phenomenon of ordinariness, starting with the question of where in the representations of Architecture can we trace the phenomenon of ordinariness?
The paper goes on to disclose the paradoxical relationship between distinguishedness and ordinariness. Bourdieus concepts of habitus and field are specified as methodological tools to analyze this paradox within the following two themes (i) the representation of architecture and architects as related to the social classes to which they belong (habitus) and (ii) the influence of architectural institutions and their network agents on architecture as they are socially represented (field). The concept of habitus, will help us to understand the social mechanisms of architecture and architects as distinguished and/or ordinary phenomena, while the concept of field will help us to analyze the operative principles of representational mechanisms.
The field of architectural institutions (as understood of Bourdieusian term) descriptive phrases stated by the institutional actors will be taken as major data to examine this paradoxical mechanism. They will be represented by network maps to discuss which mechanisms structure the representational field of Architecture with a capital A whether as a distinguished and/or ordinary phenomenon.

6.Housing price estimation in order to sustainable housing: Niyavaran area,Tehran, Iran
Mojtaba Valibeigi, Ali Akbar Taghipour, Majid Feshari
doi: 10.5505/itujfa.2019.40326  Pages 43 - 52
Housing composite commodity as a one of the most important property of households, has been interesting for researchers and planners in last years. Hedonic pricing, estimating the value of housing characteristics through the use of transactions data. For this purpose, the main aim of this paper is to evaluate the factors affect housing prices in the Niyavaran region of Tehran, Iran. Nowadays, the housing planning tries to meet the needs of users, which this subject is one of the important factors in sustainable housing scheduling. To achieve this objective, first of all the variables influence the housing price have been determined and then, data was collected via the survey and was analyzed, using the Hedonic price model. The empirical results of this paper showed that variables: the building age, number of rooms, house view side, Interior decoration, lighting and distance to school are significant and positive and Parking, education and road traffic were significant and negative in this study. By applying these results in urban projects eventually can lead to the better life quality and sustainability in urban life.

7.The role of urban waterfront parks on quality of life in İstanbul
Handan Türkoğlu, Serengül Seçmen
doi: 10.5505/itujfa.2019.23600  Pages 53 - 66
Waterfronts or other natural resources contribute in a positive way to the quality of urban life. Parks located on the urban waterfronts can be defined as being both valuable and unique as they combine the natural settings of water source and green spaces to meet the physical and social needs of urban inhabitants. The aim of this research to emphasize the importance of natural areas for the life quality by focusing on the user preferences of the parks on urban waterfronts in Istanbul. The evaluation of the urban waterfront parks in the Istanbul Metropolitan Area is presented by empirical data on quality of life. A face-to-face interview was conducted within the scope of the data set consisting of 1635 residential units selected by a random sampling method. As a result, the reasons that shape the preferences for urban waterfront parks will be discussed and various suggestions will be presented to increase the use of waterfront parks in order to improve the quality of life in Istanbul.

8.Collective ingeniosity in the construction of the popular home: The challenge of the know-how in Sahara
Nawel Benslimane, Wided Ratiba Biara
doi: 10.5505/itujfa.2019.99705  Pages 67 - 81
As everywhere in the world, every traditional masterpiece emanates from a system in which the natural and cultural environment intersect, and are superimposed on a set of local know-how. It is these ancestral techniques and practices transmitted from generation to generation which, Achieving harmony between habitat and the environment, even a symbiosis between techniques, us, customs, and socio-cultural values, allow building architectures and landscapes with obvious universal value.
However, traditional know-how including innovative solutions appropriate to each environment, are at risk of lapse or total disappearance leading to the disappearance of an entire culture.
Typically, the popular house in Bechar (city located at the gates of the Algerian Sahara), this collective production has proved its worth for centuries, in a severe environment with arid climate. The objective of this work is to show the ingenuity of this construction deflecting the cold, the wind and the sun with passive means able to face undeniable challenges in the face of current production with artificial means (without any adaptation to climate and local context).

9.Triangulation study of water play in urban open spaces in Sheffield: Children’s experiences, parental and professional understanding and control
Melih Bozkurt
doi: 10.5505/itujfa.2019.24654  Pages 83 - 96
As a life source water is the reason why majority of world’s largest cities developed in the area where they are now and it is an aesthetic reason that influence many people and landscape architects. Although, how children experience many types of urban open spaces have been identified in the literature, evidence-based research knowledge was extremely limited about water experiences of children in urban open spaces.
The purpose of this paper is to explore what makes water features in different urban open spaces attractive to children and what opportunities or constraints influence children’s ability to experience such environments. This research has adopted subject triangulation methodology and focuses on three research subjects; children, parents and professionals who designed and manages those spaces, which are three dimension of water play provision. Study suggest some striking results about children’s use of water features, parental controls and allowance, and professionals’ consideration.

10.Developing an approach for conservation of abandoned rural settlements in Turkey
Koray Güler, Yegân Kâhya
doi: 10.5505/itujfa.2019.48991  Pages 97 - 115
Following the industrial revolution, abandonment and decrease of population in rural areas are common problems that can be faced all around the world, as a result of various factors. As a consequence of implemented policies and radical changes in social life, nowadays large number of rural settlements in Turkey are also in the process of abandonment. However, many of these abandoned rural settlements have invaluable vernacular assets that bear the traces of past rural life and comprise the spirit of these cultural landscape areas. Although rural heritage in depopulated settlements have melted against the natural conditions by time, some settlements succeed to preserve their authenticity and integrity to a certain extent. On the other hand in some villages, which are more crowded and close to the city centers, authenticity and integrity values of traditional architectural heritage has been destroyed by human beings as a result of new construction pressures. This situation accompanies a big dilemma about conservation of traditional architectural heritage. This article aims to discuss reasons of depopulation in countryside, impacts of abandonment, pros and cons of re-evaluation alternatives for rural settlements and to develop proposals not only for preservation of rural architectural heritage in rural regions of Turkey, but also for revitalization and sustainability of livelihoods in there.

11.An analysis of the plan typology of vernacular Talas Houses
Duygu Turgut
doi: 10.5505/itujfa.2019.08379  Pages 117 - 125
Kayseri has always been an important administrative center throughout its history. Talas, which is a town in Kayseri, is situated on the slopes of Ali Mountain which is to the northeast of Erciyes Mountain and about ten kilometers from the Kayseri city center. Talas is an important town with regard to the history of architecture including traditional vernacular texture occupied by Turkish, Armenian and Greek populations in the late Ottoman period. The Harman District, which is chosen as a case study, acts as the core of the housing texture of Talas. Plan formations of traditional Talas houses present information on related periods and local characteristic styles. Within the scope of this study, the local features of these houses, plan elements and plan types are analyzed. As a result of this analysis, a table of the plan typology of these houses is prepared. In a culturally rich settlement of Anatolia located at the crossroads of civilizations in Talas, nowadays the existing historical texture is gradually disappearing. The documentation of the vernacular architecture of Talas will have an impact on the conservation of the historical texture of the settlement as well as transferring the data to future generations. Furthermore, this data could be a guide in the area for site management projects prepared by the local municipality.

12.Challenge of identity in the urban transformation process: The case of Celiktepe, Istanbul
Elmira Ayşe Gür, Nasim Heidari
doi: 10.5505/itujfa.2019.47123  Pages 127 - 144
Urban identity as a continuous but shifting notion is a subject of many arguments due to globalization, particularly in the context of the urban transformation, which has taken place around the world with the aim of increasing the quality of urban life. Each urban transformation project had some successes and failures. Some of these failures have been caused by the loss of the sense of place and urban identity. The main aim of this article is to reveal the components of urban identity regarding physical, environmental and social dimensions, to provide measurements of these elements, and to evaluate the achievements and failures through the Celiktepe urban transformation process. Celiktepe informal settlement is a neighborhood in Kagithane district, which is located on the European side of Istanbul and has been experiencing drastic changes for various reasons over a long time. In order to understand these changes, the effects of physical changes in the district’s socio-cultural structure and the impacts of urban transformation on the urban identity, place attachment, satisfaction and quality of life of local residents have been investigated. In this article a literature review, an observational study, and a survey have been carried out in the region for collecting data to analyze the urban transformation in the Celiktepe informal settlement. It has been found that there is a direct interaction between the urban transformation process and changes in urban identity and its components.



 
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