边界、瓶颈与涌现:基于步行安全的半岛滨水节点城市设计优化

BORDER,BOTTLENECK AND EMERGENCE:OPTIMIZATION THROUGH URBAN DESIGN FOR PENINSULA WATERFRONT TRAFFIC NODE AREAS BASED ON PEDESTRIAN SAFETY

半岛对城市空间形态、交通系统、出行方式等有着深刻的基础性影响,并形成了一类具备差异性空间要素的城市(区)类别。半岛滨水交通节点及邻近片区作为在系统汇聚、网络连接、视觉焦点、公共安全等方面影响深远的敏感地段,其空间承载能力与各类步行需求的矛盾日益显现。本文从不同样本城市关键性滨水交通节点步行状态切入,解析节点对内外不同向度的交通瓶颈与人群涌现现象的影响,提出基于公共步行安全,兼顾综合效益的多维度节点空间步行系统设计原则与策略,并探讨该类节点片区的精细化城市设计技术框架与特色案例。

The peninsula has a profound and fundamental influence on the urban spatial form,transportation system and travel mode.At the same time,the peninsula has also formed a type of city with different spatial elements.The space carrying capacity in peninsula waterfront traffic node and its adjacent area,as a local sensitive area with far-reaching influence on system convergence,network connection,visual focus,public security and other aspects,is increasingly contradictory to various walking needs.Starting from the walking status of key waterfront traffic nodes in different sample cities,this paper analyzes the traffic bottlenecks and crowd emergence in this range,puts forward the design principles and strategies of multi-dimensional node space walking system based on public walking safety and taking into account of comprehensive benefits,and further discusses the refined urban design technical framework and characteristic cases of this kind of node area.