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Urban growth: Changes, management, and problems in large cities of Southeast China
Rong Du
Front. Archit. Res.. 2016, 5 (3): 290-300.
https://doi.org/10.1016/j.foar.2016.04.002
Compared with medium-sized cities, megacities play an increasingly important role in the rapid urbanization process in China. Owing to the expanding scale of large cities, urban sprawl leads to unsustainable practices that cause ecological, social, and environmental problems. Urban planning and land use planning are major driving forces of land use and land cover change in China. However, the goals of these two types of planning are different, and coordinating them is a challenge for local government decision makers. Thus, we use the SLEUTH model to simulate the implementation scenarios of future urban growth in Nanjing in the Jiangsu province of China. Using the scientific simulation data of the model, we contrasted the alternative futures of the two planning types for local government decision makers to achieve sustainable urban planning.The objective of our study is to explore the problems and possible solutions for urban management in the context of amegacity in China. The results of our study confirm the value of SLEUTH, which provid esextensive exploratory knowledge in evaluating the effects of possible local government decisions.
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Study on the correlation between the hierarchical urban system and high-speed railway network planning in China
Hong Sun
Front. Archit. Res.. 2016, 5 (3): 301-318.
https://doi.org/10.1016/j.foar.2016.04.003
This study examines the interrelatedness between the hierarchical structure of China's urban system and high-speed railway(HSR) network planning at the national level. As a multi-layered system, the Chinese HSR can be categorized into three sub-networks, namely, the national HSR trunk network,the national HSR extensional network,and the intercity HSR network. By examining the direct HSR network connection, HSR nodal connection, and HSR operational frequency of 287 prefecture-level cities, this study demonstrates that the hierarchies of China's administrative, demographic,and economic urban systems strongly influence HSR network planning. The national HSR trunk network prioritizes the connection of top-level central cities, whereas the extensional network prioritizes cities at the lower level of the urban system. Moreover,the national HSR system forms the backbone of the HSR network structure based on a national scale, whereas the intercity HSR system satisfies the travel needs within urban agglomerations based on theregional level.
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Platform and receptacle: Musings of modernity arising from Utzon's own houses
Xing Ruan
Front. Archit. Res.. 2016, 5 (3): 332-340.
https://doi.org/10.1016/j.foar.2016.06.003
Utzon throughout his life time designed and built three houses for himself and his family. As tudy of these houses shows the slow development of a doubt, albeit understated, on his early architectural belief that was much celebrated in his public buildings, such as the Sydney Opera House. But Utzon is not unique in this instance.Some other modern architects too had experienced a similar change, gradual or sudden,in their attitudes towards life and the world, hence the transformation of their architecture as a consequence.This change, on the surface and as represented in architecture,is from a building that boldly embraces outside vista to that of a more internalized receptacle. But unlike Corbusier, Utzon,instead of acomplete transformation, showed an inner conflict arising from this doubt,which is between the modern urge to conquer the capacious space out there and a yearning for an interior life.
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Privacy athome: Analysis of behavioral patterns in the spatial configuration of traditional and modern houses in the city of Hamedan based on the notion of space syntax
Saeid Alitajer,Ghazaleh Molavi Nojoumi
Front. Archit. Res.. 2016, 5 (3): 341-352.
https://doi.org/10.1016/j.foar.2016.02.003
The Iranian concept of home goes far beyond physical aspects, and its essence is interwoven with the spiritual nature of humankind. This concept has gained new meanings with the modernization and industrialization of societies. In Iranian architecture, every need is realized in socio-physical systems as well as in design issues. Therefore, spatial relationships are central to architecture, especially residential architecture that addresses a great proportion of an individual's daily life. Space syntax seeks to explain how spatial configurations express social or cultural meanings. One such meaning is confidentiality, which was mainly introduced into Iranian architecture as a result of religious beliefs. In Iranian architecture, confidentiality is viewed from the aspect of privacy. This study is a case study that makes use of description, analysis, and logical reasoning. The objective is to analyze behavioral patterns in the spatial configurations of traditional and modern houses in Hamedan. In so doing, library research, software simulation with the UCL Depthmap package, and comparison techniques are utilized. The findings indicate that the spatial configurations of houses have changed in the course of time. In terms of the indices of spatial configurations, however, the striking difference between traditional and modern houses in Hamedan revolves around the integration and equivalence of all spaces in a house. In other words, the hierarchy of access to spaces and the recognition of territories are limited in modern houses. Hence, privacy in modern houses fades.
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Academic origins and characteristics of the Chinese stylistic restoration
Xi Chen
Front. Archit. Res.. 2016, 5 (3): 353-359.
https://doi.org/10.1016/j.foar.2016.04.004
*Abstract:The conservation practice in China, termed “Chinese stylistic restoration” in this study, has been influenced by the traditional Chinese philosophy and construction principles, the modern Chinese conservation theory of Liang Sicheng and Liu Dunzhen, and Western and international theories and policies concerning conservation. This study uses three case studies, namely, Shanghai ZhenruTemple, Jianfu Palace Garden, and Angkor Wat Chau Say Tevoda Temple, to demonstrate the main characteristics of the Chinese stylistic restoration, Including its emphasis on style over authenticity, pursuit of a gestalt form, and flexible attitude toward reconstruc-tion. Accordingly, these practices have shaped the current Chinese conservation theory as reflected in the case studies reported in “Principles for the Conservation of Heritage Sitesin China” and the Qufu Declaration.
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Preservation initiatives for the truncated pyramid-shaped traditional housesof Siirt, Turkey
Can Tuncay Akınn,Ayhan Bekleyen,Mücahit Yıldırım
Front. Archit. Res.. 2016, 5 (3): 360-370.
https://doi.org/10.1016/j.foar.2016.06.005
The traditional houses of the residential areas in and around Siirt in the southeastern region of Turkey are notable because of their interesting forms. The most successful examples are the "truncated pyramidal-shaped houses" that have existed for centuries and are unique to the locality; however, these forms are demolished rapidly. In this study, the structures of small- scale settlements in Siirt province and its environs have been evaluated to highlight the cultural aspects of the region. The subject of this research is to investigate the design principles of the rural houses constructed in vernacular style to raise international awareness of the need to preserve vernacular architecture. Surviving examples have been examined in terms of multiple case approach by their forms, spatial compositions, changes in their forms over time, their layouts in urban and rural areas, the construction techniques used to produce them from material production through implementation, the composition of the living space and its uses, their differences or similarities to other houses in the region and their aesthetic details. The research reveals that the design principles of traditional rural architecture offer the use of local material and techniques in a unique way that promote highlights to the future.
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Performance evaluation of operational energy use in refurbishment, reuse, and conservation of heritage buildings for optimum sustainability
O.K. Akanden,D. Odeleye,A. Coday,C. JimenezBescos
Front. Archit. Res.. 2016, 5 (3): 371-382.
https://doi.org/10.1016/j.foar.2016.06.002
The operational phase of a building project has increasingly gained importance with their energy performance becoming valuable and determining their operational excellence. In most heritage building projects (HBPs), the operational energy use aspects areless considered, and a systematic way of analyzing their energy performance following project delivery is often lacking. The aim of this study is to evaluate the operational performance of refurbishment and reuse of UK listed church projects. The objective is to assess the operational energyuse with a view to optimizing their sustainable performance. The methodology includes eight selected case study buildings refurbished and converted for multipurpose use. The case study approach provided qualitative insights into how the study contributes to a more structured requirements for energy management in HBPs with specific attention to energy-efficient building operations. The findings show the need to focus on fundamental areas of operational management (i.e.by developing and implementing more focused policy on operational energy performance of heritage buildings) to minimize the energy required to operate them. The challenges of implementing changes in operational energy performance improvement of heritage buildings are addressed in the form of recommendations that could lead to real results. The study concludes that leveraging these areas requires commitment from all heritage building stakeholders because they all have substantial roles in harmonizing the requirement for the project's sustainability and not just the building operators. Meanwhile, baseline project planning, periodic updating, monitoring, and managing the energy use pattern are suggested as measures that could greatly facilitate better energy performance to optimizing their sustainable reuse compared with the traditional approach of trying to improve their thermal performance.
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