摘要
从低碳交通出行和高效空间利用的视角,关注轨道交通站域交通可达与空间使用绩效的相互影响。构建上海城市道路网络模型与轨道交通网络模型,对上海中心城区10个典型轨道交通站域的交通可达与空间使用绩效的关联性进行量化分析,在此基础上建立评价模型,提出轨交站域运用出行网络与空间使用相匹配的方法来支持城市设计决策。
From the perspective of low carbon tourism and highly efficient spatial performance, this paper concerns about the influences between urban transport accessibility and spatial performance. Shanghai road network and rail transit network were modeled to compute transport accessibilities. Based on the correlation analysis between transport accessibilities and spatial performances of 10 well-developed rail transit station areas in central Shanghai, an integrated model was developed to provide synergistic analysis method for supporting urban design decisions in rail transit station areas.
引文
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(1)办公空间就业饱和率为办公楼里实际就业人数与该办公楼处于饱和容纳状态下就业人数的比值,即:实际就业人数/标准就业人数。
(2)为了消除结果的边缘效应,分析范围定为1 km,最终截取其中的500 m范围取均值。sDNA基于角度距离的可达性值角度中介性(Angular Betweenness)与人车流量有很好的相关性,因此本文所采用的可达性值均使用角度度量值。
(3)图5在统计时,工作日与周末的进店人数以5:2进行加权计算。
(4)采用SPSS的主成份分析法提取的前两个主成份可解释5个指标的83.59%。根据荷载矩阵及两个主成份的方差根,计算得到第1主成份的各系数为(0.430,0.543,0.356,0.551,-0.299),第2主成份的各系数为(-0.110,0.079,0.678,-0.032,0.720)。主成份系数分别乘以5个原始变量标准化之后的变量即为主成份的函数表达式:主成份1=0.430×Z商+0.543×Z办_1+0.356×Z办_2+0.551×Z住_1-0.299×Z住_2;主成份2=-0.110×Z商+0.079×Z办_1+0.678×Z办_2-0.032×Z住_1+0.720×Z住_2。