1.2A30.6I30.21F0.24ap0.24成安渝高速公图号:C15-14第1页 共2页
编号起迄里程汇水面积阻力F系数2A3(km)流域坡度I3(小数)流域长度L3(km)土壤类别高度12345678910111213141516171819202122K119+670.0K119+795.0K120+087.0K120+418.0K120+636.0K120+713.0K121+005.0K121+238.0K121+535.0K122+035.0K122+187.0K122+837.0K122+983.0K123+137.0K123+325.0K123+658.0K124+041.0K124+750.0K125+116.0K125+520.0K125+815.0K126+158.00.020.050.060.080.150.020.050.151.600.040.050.160.060.020.020.602.000.040.050.060.130.241.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.5151127174091028221510212827353768.630355767850.0940.0440.1130.0430.0770.0500.0320.0470.0120.0560.0420.0340.0900.1800.2920.0320.0370.1880.2500.2040.1370.1420.160.250.240.400.520.180.310.601.860.270.240.620.310.150.121.141.830.160.140.280.490.60ⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡ0.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.9110110110110110110110110110110110110110110110110110110110110110110260260260260260260260260260260260260260260260260260260260260260260汇流时间径流因子(h)#NAME?#NAME?#NAME?#NAME?0.2901.243#NAME?#NAME?#NAME?0.3570.6101.5312.267#NAME?#NAME?#NAME?#NAME?0.3851.644#NAME?#NAME?#NAME?#NAME?0.4390.4491.7301.645#NAME?#NAME?#NAME?#NAME?#NAME?0.2550.2531.1021.053#NAME?#NAME?1.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?涵洞涵洞涵洞涵洞涵洞涵洞1-2x2.01-4x3.51-4x3.51-4x3.51-4x3.51-2x2.01-16m1-4x3.53-30m1-4x3.51-8x4.51-8x4.51-4x3.51-4x3.51-3x2.51-6x3.54x201-4.0x3.51-6.0x3.51-2x2.01-6.0x3.52-4.0x3.5τ=产流系数C1最大暴雨暴雨雨力强度S1%a1%(mm/h)径流函数ym折减系数 K面积折减系数 ¢0.4r = 0.36apτL30.72设计流量Q1/100(m/s)3结构形式孔径式样涵洞坡度(%)备 注1.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.03.5m宽的碎石路,外业初定为1-6x4.5的通道,由于大里程方向水田与被交道的高差较大,该路、排水都比较困难,内业修订为1-16m的分离兼过人,洞内设计台阶兼排水灌溉兼过人,洞内设计台阶兼排水,洞内设计台阶兼排水,左侧需设1-2x2.0线外涵兼过人兼过人兼过人兼排水,洞内设计台阶依水文计算定桥长兼过人,洞内设计台阶兼过人,洞内设计台阶兼过人,洞内设计台阶兼过人,洞内设计台阶1.00#NAME?分离式立交1.00#NAME?涵洞1.00#NAME?分离式立交1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?涵洞通道通道涵洞涵洞涵洞涵洞中桥通道涵洞涵洞涵洞通道1.01.01.01.01.0兼过人兼过人兼排水一孔过人、一孔排水 计算: 复核:
第2页 共2页
涵洞水力计算表
1.2A30.6I30.21F0.24ap0.24成安渝高速公图号:C15-14编号起迄里程汇水面积阻力F系数2A3(km)流域坡度I3(小数)流域长度L3(km)土壤类别高度23242526272829303132333435363738394041K126+335.0K127+265.0K127+615.0K127+970.0K128+145.0K128+360.0K128+615.0K129+198.0K129+304.0K129+495.0K129+975.0K130+190.0K130+742.0K131+166.0K131+660.0K131+942.0K132+257.0K132+482.0K133+560.00.050.100.120.110.050.030.041.201.200.080.300.160.170.080.020.060.100.600.101.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.5464055574525296868555953604533284750270.1770.1140.1280.1270.1670.1250.1260.0580.0530.1900.0630.0950.1200.1550.2360.1560.1380.0420.0540.260.350.430.450.270.200.231.181.280.290.940.560.500.290.140.180.341.180.50ⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡⅡ0.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.9110110110110110110110110110110110110110110110110110110110260260260260260260260260260260260260260260260260260260260汇流时间径流因子(h)#NAME?#NAME?0.2400.2541.0421.107#NAME?#NAME?#NAME?#NAME?#NAME?0.3380.3641.2771.377#NAME?#NAME?#NAME?0.3930.2890.2491.6141.2311.060#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?0.4251.677#NAME?#NAME?1.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?涵洞涵洞涵洞通道通道涵洞涵洞通道通道涵洞通道通道通道1-2x2.01-4.0x3.51-4.0x3.51-6x3.51-4.0x3.51-2x2.01-2x2.22-4.0x3.52-4.0x3.51-4.0x3.51-6x3.51-6x3.51-6x3.57x251-6x3.51-3x2.51-6x3.52-3x2.21-4x3.5τ=产流系数C1最大暴雨暴雨雨力强度S1%a1%(mm/h)径流函数ym折减系数 K面积折减系数 ¢0.4r = 0.36apτL30.72设计流量Q1/100(m/s)3结构形式孔径式样涵洞坡度(%)备 注1.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.0既有现状为宽河槽,上游汇水面积约1.2km2。小里程侧有碎石土路,村庄与砼路面连通。兼排水。既有现状为宽河槽,上游汇水面积约1.2km2。大里程侧有碎石土路,村庄与砼路面连通。兼排水。外业调查时初步定为K129+478,现场测量时认为涵洞位置往大里程方向移17m更有利于上下水流的顺接。兼排水兼排水由原先K130+697调整至此,兼排水被交道为S206,沥青路面,12m宽。被交道为4m宽碎石土路,主线与既有道路中心交点为k131+682,该处为三岔路口。将被交道改路与左侧路连接,右k131+780处不设通道,将该处的水引至次涵排出。被交道为3m宽碎石土路,主线与既有道路中心交点为k131+230。据当地居民介绍该处上游有一水渠,大雨或水渠泄水时水位进口做挡墙,出口做跌水。通道需改路,预留2m过水需改路,3m机耕车道,预留1m排水兼过人1.00#NAME?分离式立交1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?1.00#NAME?通道涵洞通道涵洞涵洞附注:1、当汇水面积小于0.1Km2时,可不采取汇区流域的其他参数,如上表的汇区1和2;
2、要注意各个汇区之间的相互关系,如果通过纵向路基排水或横向桥涵排水后,汇流到其他汇区,应设计流量折减0.8后与本汇区设计流量相加后成合成流量,此3、本表按照正上为路线前进方向的习惯编制,水流方向也以此习惯分左右表示;
计算: 复核:
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