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气候适应性视角下的河道空间城市设计评价和策略研究 ——以广州市荔枝湾涌改造一期工程为例
张雅妮1,2, 殷 实1, 肖毅强3
1.华南理工大学建筑学院,博士研究生;2.广 州市城市规划勘测设计研究院政府规划 编制部,高级工程师;3.( 通讯作者):华南理工大学建筑学院,副 院长,亚热带建筑科学国家重点实验室建 筑设计科学实验中心主任,教授,博士生 导师,邮箱:xiaoyqgz@163.com
摘要:
河道空间的优化改造作为城市人居 环境与社会多元价值提升的手段在我国南方 地区被大量运用,其周边将随之汇集大量人 口和丰富的活动。本文在应对全球性气候变 化的大背景下,关注河道空间对城市微气候 的影响,讨论如何最大化其对密集城市的微 气候的调节作用,探讨基于人体舒适度提升 城市设计的评价方法和策略。以广州市具代 表性的河道工程荔枝湾涌一期为例,综合考 虑外界盛行风、自然对流和热辐射等多重作 用机制的影响,采用微气候模拟软件Envimet, 对改造前、改造后的风环境和人体舒 适度进行比较,总结出在河道空间城市设计 中建立气候适应性评价机制的必要性与策 略,并尝试探讨优化模式,探索从人体舒适 度的角度出发,在量化、实证的基础上,建立 南方地区河道空间设计可操作的城市设计方 法和策略。
关键词:  河道空间  气候适应性  城市设 计  荔枝湾涌
DOI:10.13791/j.cnki.hsfwest.20180312
分类号:
基金项目:
Research on Urban Design Method and Strategy of Watercourse Space with the Perspective of ClimateAdaptability—A Case Study of Lizhi Bay Refine Project (Phase I), Guangzhou City
ZHANG Yani,YIN Shi,XIAO Yiqiang
Abstract:
In southern China, plenty of watercourse development projects have been implemented to improve qualities of urban life and social diversity, which results in rapidly increase of population and human activities. In response to context of global climate change, this paper pays attention to effect of watercourse on urban microclimate, specifically studies methods of maximizing adaptations on dense microclimates, and then discusses urban design evaluation methodology and strategy based on improvement of body comfort. Taking Guangzhou Lichi Bay Refine Project (Phase I) as case study, this paper comprehensively integrates effects from multiple mechanisms, namely prevailing winds, natural convection and thermal radiation. Microclimate simulation software has been applied to compare the wind environment and human comfort before and after refinement in order to draw conclusions of necessity to establish evaluation system of climate adaptability and strategy. Furthermore, from perspective of human comfort, the paper attempts to optimize modes of operational urban design and strategy for southern China watercourse space that refers to quantization and substantiation
Key words:  Watercourse Space  Climate Adaptibility  Urban Design  Lizhi Bay