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    • br Study area We selected the

    2018-10-29


    Study area We selected the Qiaobei development district of Nanjing as our study area because it is representative of the urban growth pattern that can be observed in most large Chinese cities (Figure 3). The Qiaobei development district is located at the fringe of Nanjing’s metropolitan area. The Qiaobei development district covers a part of Pukou district, which accommodates a mst1 kinase of 717,000, including approximately 136,000 temporal residents whose permanent residence registration is not in the district, according to the Nanjing Annual Statistics in 2011 (Nanjing Statistics Bureau, 2012). The Qiaobei district is separated from major urban areas by the Yangtze River. Therefore, it has a relatively lagged development. The southern part of the study area is mostly urbanized, whereas the northern part of the study area shows fewer urban characteristics. The urban services and facilities in the study area are considered insufficient compared with other parts of Nanjing. Land patches in the area are mostly large and underused. Subdivision and more detailed plans are needed for further development.
    Analysis of survey results The study area is located on the border of the city of Nanjing and the surrounding rural areas, thereby resulting in the heterogeneous social-demographic characteristics of the residents. Approximately one-half of the survey target population is relocated farmers who lost their land because of the urbanization process. In addition to relocated farmers, residents who live in the area mainly consist of government clerks and business employees, as well as migrant workers. The survey sampled all age groups over 20 years old. In terms of housing tenure, the survey includes both renters and homeowners. In terms of residency history, the survey covers old residents, new residents, and temporal residents, whose residence is registered at the study area or the city of Nanjing (Figure 4).
    Conclusion and discussion
    Acknowledgments
    Introduction Site selection, as one of the key principles of building planning, plays an important role and has a huge impact on the design of a proposed building (Cheng et al., 2007). The relation of a site to its surroundings significantly influences the decisions of architects and engineers. The site requirements for buildings depend on the type of occupancy. For example, a site that is suitable for residential buildings may not be suitable for buildings with some other purpose. Thus, buildings proposed for different purposes have different requirements and considerations in their site selection. Architects and engineers play a major role and contribute significantly to site selection. Their expertize depends upon their depth of knowledge and experience, which results in variations in location-based decisions. Generally, their decisions about site selections are based on an analysis in terms of simple calculations, past experience, or even preference. The traditional approach to site selection requires efforts from a number of experts from various fields to select the best alternative by considering the available information and geographic variables (Molenaar and Songer, 1998). The purpose of site selection is to determine the best possible site for a building within a specific region (Ghobarah, 1987). Site selection significantly influences the success or failure of a project. In many instances, especially in developing countries, project failure is caused by the unsuitable site of a building (Ghobarah, 1987). The best site is the location in which a building can be established with a minimum use of resources (manpower, material, machines, money, and time) and which is logistically and economically viable, adequate, and safe for future expansion (Paradis and Trans, 2013). In recent years, sustainability has increasingly become a priority of building projects. Sustainable construction begins with suitable/safe site selection (Paradis and Tran, 2013). The location of a building affects a wide range of factors, such as environment, safety, security, accessibility, and energy consumption, for commuting the impact on the local ecosystem and the use/reuse of existing infrastructure (Carsjens and Ligtenberg, 2007). Architects and engineers involved in site selection should understand sustainability concepts and their effects on the overall safety and performance of a building. Hence, the need for professionalism in SSS assumes a special significance.