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城市高密度地区地下空间开发策略研究

发布时间:2018-10-09 12:27
【摘要】:城市地下空间大规模发展是城市建设与经济发展达到一定高度的必然需求,但是如何融入城市空间体系是当前我国城市向更高质量发展的一个难题。当前城市建筑高度与密度的不断上升与地下空间基础的支撑严重脱节,导致城市地面空间十分拥挤,交通拥堵加剧、景观绿化不足、环境污染严重、人性化空间缺失等城市问题。新世纪来临,在我国城市经济建设能力快速提高的背景下,科学合理地进行城市地下空间综合开发与利用对于消解或缓解城市地面空间紧张,提升地上空间环境提供了强有力的支撑。本文致力于如何能够开发利用好城市地下空间,优化城市高密度发展地区的空间环境,建立紧凑型、立体化、高效率的城市空间体系这一问题的研究分析。 与欧洲城市发展地下空间起始于地铁不同,我国城市地下空间源于早期人民防空工程的平战结合需求,缺乏最初将地下空间纳入城市空间一体化开发的初始契合期,但未来走向城市地上空间与地下空间一体化的发展方向是一致的。城市地下空间作为城市中潜力巨大的空间资源,,能够满足地面、地上进一步的空间需求,地铁建设与地下建筑的快速发展使地下空间更加深入地融入城市空间体系。面向城市可持续发展愿景,探索城市地上地下空间一体化发展是城市空间体系优化的一个重要课题。 随着我国城镇化的推进,城市人口高密度、建筑高密度、经济高密度三者交织在一起,对于城市特定地区即高密度建设地区的空间容量及需求猛增,从而产生了对城市高密度地区地上地下空间的巨大需求。另外,我国城乡结构发生转变,在经历了30多年的快速城市化发展后,由注重城镇化数量向注重质量进行转型,也需要探索城市人口高密度、建筑高密度地区城市地下建筑空间、地下交通空间与地下环境安全空间三者之间的融合途径、法则、模式等问题,实现城市紧凑化、高效化、立体化、复合化的健康发展道路。 本文围绕城市地下空间在城市高密度地区的开发特点与开发方式,通过理清我国城市高密度地区空间开发属性、空间类型、密度特征,分析高密度地区空间集聚必要性和矛盾性。分析认为城市中心区、旧城核心区及轨道(TOD模式)周边高密度开发地区的地下空间系统性开发的需求最为强烈,引导这些地区地上地下空间的一体化开发,有利于实现土地高密度混合开发、地上地下城市空间一体化开发、城市交通立体化开发的发展目标。 在论文内容组织安排上上,首先分析了当前地下空间在城市高密度地区的复杂性与需求的现实困境。力求通过理论发展研究、典型案例实证、实践经验总结及开展对一个特定旧城高密度商业区(北京东城区的旧城密集地区)更新改造地上、地下空间需求与矛盾的深入调研,论证高密度地区城市地上空间的矛盾性与复杂性,提出从地下空间一体化开发入手,支撑城市地上空间开发的巨大机遇。 其次,文章选取城市高密度开发的四种典型地区,城市CBD地区、新城中心区、旧城核心区及高密度开发的轨道站点周边地区地下空间开发类型、强度、规模与地上空间开发密度之间的关系进行研究。通过分析地下空间在延伸城市功能、建筑空间组合、地下轨道交通与地下停车的空间组合方法及实践,论证城市地下空间与地上空间融合的创新策略与规划设计。 再次,针对现代城市地下空间在安全及环境品质的高要求,论文研究地下空间开发的地质环境条件、地下环境质量标准及地下空间开发宏观与微观适应性等问题。针对未来城市地下空间环境品质要求研究如何改善地下空间的湿热、通风与除菌环境,通过地下空间生态化、艺术化、安全化设计实现建设生态化地下空间标准的策略。 最后,论文总结并完善了当前我国城市地下空间的规划编制体系与设计方法。在城市地下空间建构方法上提出“柔性映射”、“紧凑聚合”、“网络岛链”、“捷径追踪”、“持续秩序”5项法则,在地下空间规划模式上提出“环形联结”、“脊轴带动”、“枝状生长”3种典型模式,有利于提升城市地下空间规划设计层次、内容及技术方法。
[Abstract]:The large-scale development of urban underground space is the inevitable demand of urban construction and economic development, but how to integrate into the urban space system is a difficult problem for the higher quality development in our country. At present, the rising of urban building height and density is divorced from the support of underground space foundation, which causes the urban ground space to be very crowded, the traffic jam is increased, the landscape afforesting is insufficient, the environment pollution is serious, the human space is missing and so on. In the new century, under the background of the rapid improvement of urban economic construction ability in our country, the comprehensive development and utilization of urban underground space has provided strong support to dispel or alleviate the tension of urban ground space and improve the space environment on the ground. This paper is devoted to the development and utilization of urban underground space, optimizing the space environment of urban high-density development area, and establishing a compact, efficient and efficient urban spatial system. With the development of underground space in European cities, the underground space of our country is due to the combination of the early people's air defense engineering, and the lack of the initial deed of integrating the underground space into the urban space integration development. The development direction of the integration of space and underground space in the future is one The urban underground space, as a space resource with great potential in the city, can meet the needs of the ground and the ground, and the subway construction and the rapid development of underground buildings make the underground space more deeply integrated into the urban space The development of underground space in urban areas is an important part of the optimization of urban space system. Subject. With the advancement of China's urbanization, the high density of urban population, the high density of buildings and the high density of economy, the space capacity of urban specific areas, namely, the high-density construction area and the surge in demand, thereby generating underground space on the ground in the high-density area of the city In addition, our country's urban and rural structure has changed. After more than 30 years of rapid urbanization development, the urbanization quantity is transformed to the quality of injection, and it is also necessary to explore the high density of urban population and the high-density urban areas of the building. The integration approach, rule, mode and other problems of the lower building space, underground transportation space and underground environment safety space are solved, so as to realize the compact, high-efficiency, high-efficiency and composite health of the city. Based on the development characteristics and development mode of urban underground space in urban high-density areas, this paper analyses the spatial development attributes, spatial types and density characteristics of urban high-density areas in China, and analyzes the spatial set of high-density areas. It is believed that the demand for systematic development of underground space in the high-density development area around the urban central area, the core area of the old city and the orbit (TOD mode) is the most intense, which leads to the integration and development of underground space in these areas, which is conducive to the realization of soil. High-density mixed development of ground, integrated development of underground urban space and three-dimensional urban traffic On the arrangement of the content organization of the paper, the author firstly analyzes the current underground space in the high-density area of the city. The realistic dilemma of complexity and demand is to renew and reconstruct the ground and underground space through theoretical development research, typical case demonstration, practice experience summary and development of a special old city high-density business district (the old city dense area in Dongcheng District, Beijing). Through in-depth research on demand and contradiction, the paper proves the contradiction and complexity of the space on the ground in the high-density area, and puts forward the supporting city from the development of underground space integration. Secondly, the paper chooses four typical areas of urban high-density development, the urban CBD area, the central district of the new city, the core area of the old city and the underground space development type, intensity, scale and space of the surrounding area of the high-density developed orbit station. Based on the analysis of the spatial combination method and practice of underground space in extending urban function, building space combination, underground rail transit and underground parking, the paper proves the urban underground space and the ground The innovation strategy and design of space fusion. Thirdly, in view of the high requirement of modern urban underground space in safety and environmental quality, the paper studies the geological environment condition of underground space development, the quality standard of underground environment, and In view of the future urban underground space environment quality, it is necessary to study how to improve the environment of damp-heat, ventilation and bacteria removal in underground space. Finally, the paper summarizes and perfects the current strategy of constructing ecological underground space standard. This paper puts forward 鈥渇lexible mapping鈥

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