日照間距系數(shù).doc
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日照間距系數(shù) 日照間距系數(shù)圖示根據(jù)日照標(biāo)準(zhǔn)確定的房屋間距與遮擋房屋檐高的比值。 日照間距的計(jì)算方法: 以房屋長(zhǎng)邊向陽,朝陽向正南,正午太陽照到后排房屋底層窗臺(tái)為依據(jù)來進(jìn)行計(jì)算。 日照間距系數(shù)=D/H,由此得日照間距應(yīng)為:D=(H-H1)/tanh; 式中: D房屋間距 H前幢房屋檐口至地面高度; H1后幢房屋窗臺(tái)至地面高度。 實(shí)際應(yīng)用中,常將D換算成其與H的比值,即日照間距系數(shù),以便于根據(jù)不同建筑高度算出相同地區(qū)、相同條件下的建筑日照間距。 日照間距計(jì)算示意圖 D= L0 H L0(間距系數(shù))=ctghcos H計(jì)算高度 H=層高X層數(shù)+女兒墻高度C C=首層窗臺(tái)高+室內(nèi)外地坪差 全國(guó)主要城市不同日照標(biāo)準(zhǔn)的間距系數(shù)序號(hào)城市緯度冬至日大寒日現(xiàn)行標(biāo)準(zhǔn)正午影長(zhǎng)率日照1h正午影長(zhǎng)率日照1h日照2h日照3h1漠河53004.143.883.333.113.213.332齊齊哈爾47202.862.682.432.272.322.431.82.03哈爾濱45452.632.462.252.12.152.241.51.84長(zhǎng)春43542.392.242.071.931.972.061.71.85烏魯木齊43472.382.222.061.921.962.046多倫42122.212.061.921.791.831.917沈陽41462.162.021.881.761.81.871.78呼和浩特40492.071.931.811.691.731.89大同400021.871.751.631.671.7410北京39571.991.861.751.631.671.741.61.711喀什39321.961.831.721.61.611.7112天津39061.921.81.691.581.611.681.21.513保定38531.911.781.671.561.61.6614銀川38291.871.751.651.541.581.641.71.815石家莊38041.841.721.621.511.551.611.516太原37551.831.711.611.51.541.61.51.717濟(jì)南36411.741.621.541.441.471.531.31.518西寧36351.731.621.531.431.471.5219青島36041.71.581.51.41.441.520蘭州36031.71.581.51.41.441.491.11.2;1.421鄭州34401.611.51.431.331.361.4222徐州34191.581.481.411.311.351.423西安34181.581.481.411.311.351.41.01.224蚌埠32571.51.41.341.251.281.3425南京32041.451.361.31.211.241.31.0;1.11.826合肥31511.441.351.291.21.231.291.227上海31121.411.321.261.171.211.260.91.128成都30401.381.291.231.151.181.241.129武漢30381.381.291.231.151.181.240.70.9;1.01.130杭州30191.361.271.221.141.171.220.91.0;1.11.231拉薩29421.331.251.191.111.151.232重慶29341.331.241.191.111.141.190.81.133南昌28401.281.21.151.071.111.1634長(zhǎng)沙28121.261.181.131.061.091.141.01.135貴陽26351.191.111.0711.031.0836福州26051.171.11.050.981.011.0737桂林25181.141.071.020.960.991.040.70.8;1.038昆明25021.131.061.010.950.981.030.91.039廈門24271.111.030.990.930.961.0140廣州23081.060.990.950.890.920.970.50.741南寧22491.040.980.940.880.910.96142湛江21020.980.920.880.830.860.9143海口20000.950.890.850.80.830.88- 1.請(qǐng)仔細(xì)閱讀文檔,確保文檔完整性,對(duì)于不預(yù)覽、不比對(duì)內(nèi)容而直接下載帶來的問題本站不予受理。
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