基于可持续雨洪管理的城市建成区绿地系统优化研究
发布时间：2018-12-31 21:00
【摘要】：在我国水问题日益严峻的当下,构建兼顾减少雨洪灾害、资源化利用雨水、减少地表径流污染、保护水生物种栖息地等多个目标的城市可持续雨洪管理系统势在必行。城市绿地系统是其中必不可少的组成部分。本论文立足我国现实情况,探索在城市建成区通过绿地系统优化实现可持续雨洪管理的策略和途径。 论文从梳理国内外历史经验开始,探索了可持续雨洪的发展过程,为我国的进一步发展厘清思路。通过定性和定量的多种研究方法,论文详细分析了我国建成区及其绿地系统的特点,分析了雨洪优化处理措施的适宜情况,并对优化目标设定、优化设计程序和软件模拟方法进行了研究。同时对雨洪管理景观相关的美学和安全问题也进行了研究。论文得出以下研究成果： (1)尽管城市建成区现状复杂,优化难度大,但可持续雨洪管理的建设必须覆盖已建城区,否则管理效果很难保证。建成区的优化常见三种基本模式,构建合理的制度框架,通过不同的模式,可以在城市发展过程中逐渐优化己建城区绿地； (2)己建城区建筑密度大、绿地破碎,传统的“分散、靠近源头”的处理准则并不完全能保证优化效果。成都案例研究提出“源头优化、远端补偿”的策略,在挖掘小尺度场地优化的前提下,补充城市下游、边缘的区域级优化措施,保证整体优化效果。 (3)基于可持续雨洪管理的绿地系统优化首先应基于现状分析提出优化目标,采用科学的研究设计程序合理的分析绿地优化的可能性和途径。目前城市绿地系统的各种绿地类型有其适宜的措施,应该通过雨水管网和渗透传输等方法可以建立与更大区域,特别是雨水管网覆盖区域的联系,从而对更大范围的城市区域雨水径流进行优化。 (4)通过SBE和统计分析方法提取了公众比较关注的视觉感知要素。并进一步提出随着社会对可持续雨洪管理和水资源保护途径的了解更加普及,人们的关注点有所拓展。通过公众教育比较,提出水体与措施工程相关的要素将会更明显的影响人们对可持续雨洪绿地的视觉感知。相应的设计措施和要点应贯彻到规划设计过程中。 (5)提出了针对成都的优化目标设定和多级优化措施的方案分析,提出了通过场地、排水区域和周边绿地规划补偿等提高整体雨洪管理效率的策略。
[Abstract]:With the increasingly serious water problem in our country, it is imperative to construct a sustainable rain flood management system which takes into account the reduction of rain flood disaster, the utilization of Rain Water, the reduction of surface runoff pollution and the protection of aquatic species habitat. Urban green space system is an indispensable part of it. Based on the reality of our country, this paper explores the strategies and approaches to realize the sustainable rainwater management through the green space system optimization in the urban built-up areas. This paper begins with the historical experience at home and abroad, explores the development process of sustainable rain flood, and clarifies the train of thought for the further development of our country. Through qualitative and quantitative research methods, this paper analyzes in detail the characteristics of China's constructed areas and their green space systems, analyzes the suitable conditions of the measures for optimal treatment of rain and flood, and sets the optimization objectives. Optimization design program and software simulation method are studied. At the same time, the aesthetic and safety issues related to rain flood management landscape are also studied. The research results are as follows: (1) although the present situation of urban built-up area is complex and the optimization is difficult, the construction of sustainable rainwater flood management must cover the established urban area, otherwise the management effect is difficult to guarantee. There are three basic modes for the optimization of the built-up areas, and a reasonable institutional framework is constructed. Through different models, we can gradually optimize the urban green space in the process of urban development. (2) the building density is high, the green space is broken, and the traditional treatment criterion of "dispersing, near the source" can not guarantee the optimization effect completely. The Chengdu case study puts forward the strategy of "source optimization, remote compensation", which, on the premise of mining small-scale site optimization, supplements the regional optimization measures of the downstream and edge of the city to ensure the overall optimization effect. (3) the optimization of green space system based on sustainable rainwater and flood management should be based on the analysis of current situation, and the possibility and approach of green space optimization should be reasonably analyzed by scientific research and design program. At present, all kinds of green space types of urban green space system have their own suitable measures. We should establish the connection with the larger area, especially the rainwater pipe network coverage area, through the methods of rainwater pipe network and permeation transmission, etc. Therefore, the runoff of Rain Water is optimized in a wider range of urban areas. (4) the visual perception elements concerned by the public are extracted by SBE and statistical analysis. It is further pointed out that with the popularization of the understanding of sustainable stormwater management and water resources protection, people's attention has been expanded. Through the comparison of public education, it is suggested that the factors related to water and measure engineering will affect people's perception of sustainable rainwater and flood green space more obviously. The corresponding design measures and key points should be carried out in the process of planning and design. (5) the optimization goal setting and multi-level optimization measures for Chengdu are put forward, and the strategies to improve the overall rainwater management efficiency are put forward through the planning and compensation of the site, drainage area and surrounding green space.
【学位授予单位】：西南交通大学
【学位级别】：博士
【学位授予年份】：2014
【分类号】：TU992;TU985
本文编号：2397105
[Abstract]:With the increasingly serious water problem in our country, it is imperative to construct a sustainable rain flood management system which takes into account the reduction of rain flood disaster, the utilization of Rain Water, the reduction of surface runoff pollution and the protection of aquatic species habitat. Urban green space system is an indispensable part of it. Based on the reality of our country, this paper explores the strategies and approaches to realize the sustainable rainwater management through the green space system optimization in the urban built-up areas. This paper begins with the historical experience at home and abroad, explores the development process of sustainable rain flood, and clarifies the train of thought for the further development of our country. Through qualitative and quantitative research methods, this paper analyzes in detail the characteristics of China's constructed areas and their green space systems, analyzes the suitable conditions of the measures for optimal treatment of rain and flood, and sets the optimization objectives. Optimization design program and software simulation method are studied. At the same time, the aesthetic and safety issues related to rain flood management landscape are also studied. The research results are as follows: (1) although the present situation of urban built-up area is complex and the optimization is difficult, the construction of sustainable rainwater flood management must cover the established urban area, otherwise the management effect is difficult to guarantee. There are three basic modes for the optimization of the built-up areas, and a reasonable institutional framework is constructed. Through different models, we can gradually optimize the urban green space in the process of urban development. (2) the building density is high, the green space is broken, and the traditional treatment criterion of "dispersing, near the source" can not guarantee the optimization effect completely. The Chengdu case study puts forward the strategy of "source optimization, remote compensation", which, on the premise of mining small-scale site optimization, supplements the regional optimization measures of the downstream and edge of the city to ensure the overall optimization effect. (3) the optimization of green space system based on sustainable rainwater and flood management should be based on the analysis of current situation, and the possibility and approach of green space optimization should be reasonably analyzed by scientific research and design program. At present, all kinds of green space types of urban green space system have their own suitable measures. We should establish the connection with the larger area, especially the rainwater pipe network coverage area, through the methods of rainwater pipe network and permeation transmission, etc. Therefore, the runoff of Rain Water is optimized in a wider range of urban areas. (4) the visual perception elements concerned by the public are extracted by SBE and statistical analysis. It is further pointed out that with the popularization of the understanding of sustainable stormwater management and water resources protection, people's attention has been expanded. Through the comparison of public education, it is suggested that the factors related to water and measure engineering will affect people's perception of sustainable rainwater and flood green space more obviously. The corresponding design measures and key points should be carried out in the process of planning and design. (5) the optimization goal setting and multi-level optimization measures for Chengdu are put forward, and the strategies to improve the overall rainwater management efficiency are put forward through the planning and compensation of the site, drainage area and surrounding green space.
【学位授予单位】：西南交通大学
【学位级别】：博士
【学位授予年份】：2014
【分类号】：TU992;TU985
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