衡量新兴城区的紧凑型发展潜力:萨瓦尔案例

Md Muktadir Rahman
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引用次数: 0

摘要

紧凑型发展是一种城市发展政策,旨在推广高密度混合型城市,以改善城市环境状况。萨瓦尔(Savar)是首都达卡一个快速发展的外围城区,近十年来城市化发展迅速。由于巨大的人口增长导致首都扩展到城市边界之外,孟加拉国政府首都发展局(Rajdhani Unnayan Kartripakkha,RAJUK)在名为《达卡结构规划(2016-2035 年)》的区域发展规划(RDP)中将萨瓦尔确定为五个外围城区之一,以促进紧凑型发展,首都的各种活动将转移到这里,从而最大限度地减少核心城区的拥堵。为了成功实施这一战略,对这些地区现有的空间结构进行仔细调查对于指导未来的城市发展至关重要。因此,本研究旨在以达卡大都会区的成熟城区萨瓦尔为重点,评估这些拟建城区以紧凑方式容纳未来增长的潜力。为评估萨瓦尔的紧凑型发展潜力,本文利用地理信息系统(GIS)分析了城市形态的两个主要方面--人口和土地利用模式--的六项指标。研究结果表明,萨瓦尔的增长模式仍然不够紧凑,应为其未来的可持续增长制定有效的规划机制。 本研究的结果将有助于政策制定者、规划师、建筑师和开发机构通过城市内部的紧凑型城市发展,制定政策、进行规划和设计一个更可持续、更高效的城区。
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Measuring Compact Development Potential of an Emerging Urban Area: A Case of Savar
Compact development is an urban development policy aimed at promoting high density mixed used city to improve city’s environmental condition. Savar is a fast-growing outer urban area of the capital Dhaka, which is growing through rapid urbanization in the recent decade. As enormous population growth causing the capital city to expand beyond city boundary, Rajdhani Unnayan Kartripakkha (RAJUK), the Capital Development Authority of the Government of Bangladesh has identified Savar as one of the five outer urban areas in the Regional Development Plan (RDP) known as Dhaka Structure Plan (2016-2035) for promoting compact development where various activities of the capital city will shift to minimize the congestion of the core city. For successful implementation of this strategy a careful investigation of the existing spatial structure of these areas is essential for guiding future urban development. Therefore, this study aims to evaluate the potential of these proposed urban areas to accommodate their future growth in a compact manner focusing on Savar, an established urban area of the Dhaka Metropolitan Region. For assessing the compact development potential of Savar, this paper analyzed six indicators of two major aspects of urban form, population and land use pattern using Geographical Information System (GIS). The results of this study revealed that the growth pattern of Savar is still not compact and efficient planning mechanism should be devised for its future growth in a sustainable manner.  The findings of this study will help policymakers, planners, architects and development authorities in policymaking, planning and designing a more sustainable and efficient urban area through compact urban development at intra-urban level. Journal of Engineering Science 14(2), 2023, 107-125
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