面向15 min生活圈的城市服务设施规划模型与实验

翟石艳, 孔云峰, 宋根鑫, 罗静静

A new facility location problem for urban public facility planning toward 15-minute life circle: Model and experiment

ZHAI Shiyan, KONG Yunfeng, SONG Genxin, LUO Jingjing

表3 不同规划参数(服务半径和覆盖率)约束下服务设施规划结果统计

Tab. 3 Statistics of the planning solutions from six study areas with different planning parameters (service radius and coverage)

城市 规划参数 设施数量 (个) 平均距离 (km) 计算时间 (s) 不同服务半径的人口覆盖率(%) < 1.0 km < 1.5 km < 2.0 km KF ∅= 1.0 km, μ = 80% 22.0 0.781 622.42 80.2 92.3 96.6 KF ∅= 1.5 km, μ = 80% 10.2 1.121 1020.90 51.3 80.5 89.7 KF ∅= 1.0 km, μ = 70% 14.8 0.979 954.28 70.4 85.3 90.9 LY ∅= 1.0 km, μ = 80% 51.2 0.743 1413.84 80.1 94.1 98.4 LY ∅= 1.5 km, μ = 80% 26.0 1.056 1858.45 52.7 80.6 93.1 LY ∅= 1.0 km, μ = 70% 37.0 0.870 1753.85 70.1 88.4 95.4 PD ∅= 1.0 km, μ = 80% 22.2 0.719 488.09 80.5 97.5 99.8 PD ∅= 1.5 km, μ = 80% 10.4 1.037 858.92 50.7 81.4 96.0 PD ∅= 1.0 km, μ = 70% 16.8 0.823 653.43 70.8 92.9 98.8 ZZ ∅= 1.0 km, μ = 80% 61.8 0.753 2309.47 80.1 94.4 98.0 ZZ ∅= 1.5 km, μ = 80% 48.6 0.886 1893.68 68.7 88.2 95.0 ZZ ∅= 1.0 km, μ = 70% 49.2 0.880 2494.25 70.5 88.6 94.9 SZ ∅= 1.0 km, μ = 80% 145.0 0.760 3514.54 80.0 93.3 97.9 SZ ∅= 1.5 km, μ = 80% 132.2 0.848 2420.47 72.5 89.2 95.6 SZ ∅= 1.0 km, μ = 70% 133.2 0.841 2595.73 73.1 89.6 96.1 SH ∅= 1.0 km, μ = 80% 190.0 0.695 2948.15 83.6 94.1 97.7 SH ∅= 1.5 km, μ = 80% 190.0 0.692 2724.13 83.3 94.1 97.8 SH ∅= 1.0 km, μ = 70% 188.8 0.705 2694.96 82.8 93.5 97.4