海綿城市計(jì)算表格

一、遂寧市不同年徑流總量控制率下的設(shè)計(jì)降雨量,,,,,,,,,,,,,,,,,,,,,,,,,,

遂寧市不同年徑流總量控制率下的設(shè)計(jì)降雨量,,,,,,,,,,,,,,,,,,,,,,,,,,

年徑流總量控制率（%）,55,60,65,70,75,80,85,90,95,,,,,,,,,,,,,,,,,

設(shè)計(jì)降雨量（mm）,11.8,14.2,17.2,20.9,25.7,32.1,41.1,56.4,87.2,,,,,,,,,,,,,,,,,

二、地塊徑流系數(shù),,,,,,,,,,,,,,,,,,,,,,,,,,

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匯水面種類(lèi),綠化屋面（綠色屋頂，基質(zhì)層厚度≥300mm）,硬屋面、未鋪石子的平屋面、瀝青屋面,鋪石子的平屋面,混凝土或?yàn)r青路面及廣場(chǎng),大塊石等鋪砌路面及廣場(chǎng),瀝青表面處理的碎石路面及廣場(chǎng),級(jí)配碎石路面及廣場(chǎng),干砌磚石或碎石路面及廣場(chǎng),非鋪砌的土路面,綠地,水面,地下建筑覆土綠地（覆土厚度≥500mm）,地下建筑覆土綠地（覆土厚度＜500mm）,透水鋪裝地面,下沉廣場(chǎng)（50年及以上一遇）,,,,,,,,,,,

雨量徑流系數(shù)φ,0.30-0.40,0.80-0.90,0.60-0.70,0.80-0.90,0.50-0.60,0.45-0.55,0.4,0.4,0.3,0.15,1,0.15,0.30-0.40,0.08-0.45,—,,,,,,,,,,,

流量徑流系數(shù)ψ,0.4,0.85-0.95,0.8,0.85-0.95,0.55-0.65,0.55-0.65,0.40-0.50,0.35-0.40,0.25-0.35,0.10-0.20,1,0.25,0.4,0.08-0.45,0.85-1.00,,,,,,,,,,,

雨量徑流系數(shù)取值,0.4,0.9,0.7,0.9,0.6,0.55,0.4,0.4,0.3,0.15,1,0.15,0.4,0.45,0,,,,,,,,,,,

三、現(xiàn)狀地塊分區(qū)計(jì)算,,,,,,,,,,,,,,,,,,,,,,,,,,

分區(qū)名稱(chēng),"分區(qū)總面積

（m2）",綠化屋面（綠色屋頂，基質(zhì)層厚度≥300mm）,硬屋面、未鋪石子的平屋面、瀝青屋面,鋪石子的平屋面,混凝土或?yàn)r青路面及廣場(chǎng),大塊石等鋪砌路面及廣場(chǎng),瀝青表面處理的碎石路面及廣場(chǎng),級(jí)配碎石路面及廣場(chǎng),干砌磚石或碎石路面及廣場(chǎng),非鋪砌的土路面,綠地,水面,地下建筑覆土綠地（覆土厚度≥500mm）,地下建筑覆土綠地（覆土厚度＜500mm）,透水鋪裝地面,下沉廣場(chǎng)（50年及以上一遇）,綜合徑流系數(shù),設(shè)計(jì)降雨量,總降雨量,外排雨量,調(diào)蓄雨量,,,,,

分區(qū)1,23655,,8313,,3047,,,,,,12295,0,0,0,0,0,0.510177552,25.7,607.9335,310.154025,297.779475,,,,,

分區(qū)2,22748,,7762,,3028,,,,,,11958,0,,,,,0.50574556,25.7,584.6236,295.67079,288.95281,,,,,

合計(jì),46403,0,16075,0,6075,0,0,0,0,0,24253,0,0,0,0,0,1.015923112,51.4,1192.5571,605.824815,586.732285,,,,,

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四、海綿設(shè)計(jì)后地塊分區(qū)計(jì)算,,,,,,,,,,,,,,,,,,,,,,,,,,

分區(qū)名稱(chēng),"分區(qū)總面積

（m2）",綠化屋面（綠色屋頂，基質(zhì)層厚度≥300mm）,硬屋面、未鋪石子的平屋面、瀝青屋面,鋪石子的平屋面,混凝土或?yàn)r青路面及廣場(chǎng),大塊石等鋪砌路面及廣場(chǎng),瀝青表面處理的碎石路面及廣場(chǎng),級(jí)配碎石路面及廣場(chǎng),干砌磚石或碎石路面及廣場(chǎng),非鋪砌的土路面,綠地,水面,地下建筑覆土綠地（覆土厚度≥500mm）,地下建筑覆土綠地（覆土厚度＜500mm）,透水鋪裝地面,下沉廣場(chǎng)（50年及以上一遇）,植草溝(m2),植草溝下凹深度(m),雨水花園(m2),雨水花園下凹深度(m),碎石溝（m3）,綜合徑流系數(shù),設(shè)計(jì)降雨量,總降雨量,外排雨量,調(diào)蓄雨量

開(kāi)發(fā)區(qū)1,23655,,8313,,3047,,,,,,12295,0,,,,,,,,,,0.445772564,25.7,607.9335,271.000075,336.933425

開(kāi)發(fā)區(qū)2,22748,,7762,,3028,,,,,,11958,0,,,,,,,,,,0.439190258,25.7,584.6236,256.76099,327.86261

合計(jì),46403,0,16075,0,6075,0,0,0,0,0,24253,0,0,0,0,0,0,0,0,0,0,0.884962822,51.4,1192.5571,527.761065,664.796035

總控制率反算,46403,0,16075,0,6075,0,0,0,0,0