线性城市体系中消极碎片空间的再生设计研究

Research on Regeneration Design of Negative Debris Space in the Linear City System

"线性空间体系"是现代城市空间构成中一个重要的结构性特征的成分。其主体由城市轨道线、环线、快速路等快速交通功能系统构成,而在既有城市空间的新介入者多为地下隧道或地上高架桥。"线性空间体系"对城市有着重要作用。其一方面对组织城市系统,连接区域空间发挥了积极作用。另一方面,由于其物理形态的连贯性,在穿越城市空间时,几乎不可避免地破坏了城市空间双维度的连贯性,导致了原有社群或城市生活圈的割裂,从而产生了碎片空间。本文以线性城市体系中立交桥下的碎片空间为切入点,尝试运用"空间编织"设计手段,将这些碎片空间重新联络为连贯的整体。以满足社区生活多样性需求为目标,探索重构社区生活空间生态连贯性的有效途径。

Linear space system is an important structural feature in the modern urban space composition.Its main body is composed of urban rail lines,loop lines,expressways and other rapid transportation functional systems,and the new participants in the existing urban space are mostly underground tunnels or viaducts.The system plays an important role in cities.On the one hand,it plays an active role in organizing urban systems and connecting regional spaces;on the other hand,due to the coherence characteristics of its physical form,when traversing the urban space,it is almost inevitable to destroy the two-dimensional coherence of the urban space,bringing about the fragmentation of the community or urban life circle,which leads to the emergence of debris space.This article takes the debris space under the overpass of the linear urban system as an entry point,and attempts to use the space weaving design method to reconnect these debris spaces into a coherent whole.In order to meet the diverse needs of community life,the paper explores effective ways to reconstruct the ecological continuity of community living spaces.