雨水計(jì)算技術(shù)導(dǎo)則

1、目次1.總則...........................................................................................................................................12.術(shù)語(yǔ)......................................................................

2、.....................................................................23.雨水流量計(jì)算方法及參數(shù).......................................................................................................33.1雨水流量計(jì)算方法......................

3、..................................................................................33.2暴雨強(qiáng)度公式................................................................................................................33.3重現(xiàn)期.........

4、...................................................................................................................43.4徑流系數(shù).................................................................................................

5、.......................4本導(dǎo)則用詞說(shuō)明.............................................................................................................................6引用標(biāo)準(zhǔn)名錄.........................................................

6、........................................................................7附：條文說(shuō)明.................................................................................................................................822.2.術(shù)語(yǔ)術(shù)語(yǔ)2.

7、0.1降雨歷時(shí)降雨過(guò)程中的任意連續(xù)時(shí)段。2.0.2暴雨強(qiáng)度在某一歷時(shí)內(nèi)的平均降雨量，即單位時(shí)間內(nèi)的降雨深度，工程上常用單位時(shí)間單位面積內(nèi)的降雨體積表示。2.0.3重現(xiàn)期在一定長(zhǎng)的統(tǒng)計(jì)期間內(nèi)，等于或大于某暴雨強(qiáng)度的降雨出現(xiàn)一次的平均間隔時(shí)間。2.0.4年多個(gè)樣法從每年的降雨資料系列中均選取若干個(gè)降雨量最大值作為樣本系列，進(jìn)行頻率計(jì)算的選樣方法。2.0.5徑流系數(shù)一定匯水面積內(nèi)，地面徑流水深與降雨量的比值。2.0.6綜合徑流系數(shù)在總匯水面積