華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)

1、(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)課程設(shè)計(jì)報(bào)告(2014-2015年度第一學(xué)期)名稱：工程水文及水利計(jì)算課程設(shè)計(jì)題目：天福廟水庫(kù)防洪復(fù)核計(jì)算院系：可再生能源學(xué)院班級(jí)：XXXXXX學(xué)號(hào)：XXXXXX學(xué)生姓名：XXXXXX指導(dǎo)教師：XXXXXX設(shè)計(jì)周數(shù)：2周成績(jī)：日期：年月日(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)一、課程設(shè)計(jì)的目的與要求1.設(shè)計(jì)目的天福廟水庫(kù)在1975年技術(shù)設(shè)計(jì)時(shí)，水文系列年限僅20年，系列太短，也缺乏大洪水資料，此次課程設(shè)計(jì)的目的就是在延長(zhǎng)基本水文資料的基礎(chǔ)上，按現(xiàn)行規(guī)范要求對(duì)水庫(kù)的防洪標(biāo)準(zhǔn)進(jìn)行復(fù)核。2.設(shè)計(jì)要求（1

2、）選擇水庫(kù)防洪標(biāo)準(zhǔn)（2）歷史洪水調(diào)查分析及洪量插補(bǔ)（3）設(shè)計(jì)洪水和校核洪水計(jì)算（4）調(diào)洪計(jì)算（5）壩頂高程復(fù)核二、設(shè)計(jì)正文（一）水文氣象資料的收集和審查流域自然地理概況天福廟水庫(kù)位于湖北省遠(yuǎn)安縣黃柏河?xùn)|支的天福廟村，大壩以上流域面積553.6平方千米，河長(zhǎng)58.2千米，河道比降1.06%，總庫(kù)容6367萬(wàn)立方米，是一座以灌溉為主，結(jié)合防洪、發(fā)電、攔沙、養(yǎng)殖等綜合利用的水利工程。2(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)流域水文資料1.氣象特征天福廟流域地處亞熱帶季風(fēng)區(qū)，四季分明，夏季炎熱多雨，冬季低溫少雨，秋溫高于春溫，春雨多于秋雨，氣溫年內(nèi)變化大，無(wú)霜期長(zhǎng)。多年平

3、均氣溫16.8，歷年最高氣溫達(dá)40，最低氣溫12，平均風(fēng)速1.2m/s，多年平均最大風(fēng)速15.5m/s，風(fēng)向多為NE。流域多年平均年降雨量1036.3mm，流域暴雨頻繁，洪水多發(fā)，410月為汛期，汛期雨量占全年降雨量的86.7%左右，尤其以7月最大，占全年的19.5%。12月降雨量最少，僅占全年降雨量的1.3%。2.水文測(cè)站黃柏河干流上1958年設(shè)立池灣河水文站，1971年設(shè)立小溪塔水文站，1961年在東支設(shè)立分鄉(xiāng)水文站。天福廟水庫(kù)建成之后，先后開(kāi)展了降雨、水位、泄流觀測(cè)，有比較完整的運(yùn)行資料。分鄉(xiāng)水文站是重要的參證站，控制流域面積1083.0平方千米。3.分鄉(xiāng)站歷史洪水根據(jù)1982年湖北省洪

4、辦對(duì)宜昌市歷史洪水調(diào)查結(jié)果的審定，分鄉(xiāng)站洪水的排位為1935年、1984年、1826年、1930年、1958年，資料可靠，可直接采用，經(jīng)審定認(rèn)為，分鄉(xiāng)站1935年洪水為1826年以來(lái)的第一位，重現(xiàn)期為176年，1984年洪水與1926年、1930年洪水相當(dāng)，分別確定為1826年以來(lái)的2-4位，1958年洪水為1926年以來(lái)的第五位。分鄉(xiāng)站歷史洪水成果見(jiàn)表2-1.表2-1分鄉(xiāng)站歷史洪水成果表序號(hào)年份洪峰流量（m/s）1d洪量(108m3)3d洪量(108m3)重現(xiàn)期備注1193546801762198437391.07381.66643418261930不能定量不能定量3(完整word版)華北電

5、力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)5195828201.22011.95004.天福廟水庫(kù)洪峰洪量系列見(jiàn)表2-2表2-2天福廟水庫(kù)洪峰、洪量系列3d洪量1d洪量洪峰1d洪量3d洪量年份洪峰Qm（m/s）W1W3(年份QmW1(W3(108m3)（m/s）108m3)108m3)108m3)19581959196019611962196319641965196619671968196919701971180313126620064010364525191897748384285983890.62370.04340.09210.06640.19990.37270.13140.14520.

6、08170.18760.28320.15140.22330.16810.996819800.066419810.13819820.102319830.292419840.572519850.222319860.2319870.125319880.285219890.659419900.221319910.310319920.2877199357112658243723891212184382225926348048514250.17250.08410.21270.21240.54890.06130.09790.16770.11540.22290.12090.23340.26350.11950.

7、20920.12410.31720.32230.85180.13070.19240.28640.1790.31890.1790.31580.32880.18244(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)197219731974644452400.03630.14570.08130.079719940.223319950.158919961672614870.11770.09850.23410.21310.1860.4334197519768482720.14830.09310.2480.138199719985449740.13830.22620.31860.413

8、51977197819791622996340.09150.15250.2880.179519990.281220000.539320011706134710.07340.21130.19130.16860.31570.29865天福廟水庫(kù)典型洪水過(guò)程線（1984年7月26-28日）見(jiàn)表2-3表2-3典型洪水過(guò)程線（1984.7.26-28）時(shí)段流量時(shí)段流量時(shí)段流量時(shí)段流量（t=1h）（m/s）（t=1h）（m/s）（t=1h）（m/s）（t=1h）（m/s）01234567896.65721085134515681791209023892138.7192021222324252627216.

9、3183.5156138121103.9108.491.583.537383940414243444544.243.541.74038.336.634.833.132.255565758596061626324.824.223.522.822.121.520.619.318.25(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)910111213141516171465.51005.1768.8494.3584.9421.2358.7344.8313.728293031323334353668.653.340.9516154.848.546.345.2464748495051

10、52535431.330.429.528.727.827.226.62635.464656667686970717217.316.115.314.413.512.611.81110.618232.56.天福廟水庫(kù)庫(kù)容曲線和泄洪建筑物泄流曲線天福廟水庫(kù)庫(kù)容曲線根據(jù)原庫(kù)區(qū)1:2000地形圖進(jìn)行了復(fù)核計(jì)算，成果可靠。左岸溢洪道堰頂高程398.0m，2孔，每孔凈寬13.0m，為弧形閘門控制。壩頂溢洪道堰頂高程402.4m，4孔，每孔凈寬8.0m，亦為弧形閘門控制。兩溢洪道堰型均為WES標(biāo)準(zhǔn)型剖面實(shí)用堰。由相應(yīng)的流量計(jì)算公式Q=cmn(2g)H3/2計(jì)算的泄洪建筑物泄流曲線見(jiàn)下表2-4。表2-4天福廟水

11、庫(kù)庫(kù)容曲線和泄洪建筑物泄流曲線庫(kù)容庫(kù)水位左岸溢洪道(（m/s）104m3)壩頂溢洪道（m/s）合計(jì)泄洪量（m/s）39839934603670037000376(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)400401402403404405406407408409410411389041004325454547755004523555155790604563106596107216365530730922113013451582184521152370000251032304006058351095137516951072163655558331152153019502

12、4172940349040657.混凝土拱壩安全超高見(jiàn)表2-5表2-5混凝土拱壩安全超高h(yuǎn)c壩的級(jí)別正常運(yùn)行非常運(yùn)行10.70.52050.430.40.3（二）防洪標(biāo)準(zhǔn)選擇水庫(kù)工程概況7(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)天福廟水庫(kù)于1974年冬開(kāi)工建設(shè)，1978年建成，大壩為漿砌石雙曲拱壩，壩前河底高程348m，壩高63.3m，電站總裝機(jī)6040kW。水庫(kù)死水位378m，死庫(kù)容714萬(wàn)m，正常蓄水位409m，相應(yīng)庫(kù)容6032萬(wàn)m。設(shè)計(jì)洪水位（P=2%）409.28m，校核（P=0.2%）洪水位409.8，壩頂高程410.3m，防浪墻頂高程411.3m。庫(kù)區(qū)吹

13、程1000m。確定防洪標(biāo)準(zhǔn)水利水電樞紐工程的等級(jí)水庫(kù)防洪治澇灌溉供水水電站工城鎮(zhèn)及保護(hù)農(nóng)灌溉面城鎮(zhèn)及程治澇面工程規(guī)總庫(kù)容工礦企田積工礦企裝機(jī)容量等積（萬(wàn)模（108m3）業(yè)的重（萬(wàn)（萬(wàn)業(yè)的重（104kw）級(jí)畝）一大（1）10型要性畝）特別重500要200畝）150要性特別重120要二大（2）101.05001重要20061505重要12030型0000三中型1.00.1中等100306015505中等305四?。?）0.10.01型五?。?）0.010.0型01一般30515350.5一般51530.518(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)水工建筑物的級(jí)別永久性

14、水工建筑物臨時(shí)性工永久性水工建筑物工程等級(jí)別水工建程級(jí)別臨時(shí)性水工建筑物級(jí)主要建筑次要建筑物級(jí)等主要建次要建級(jí)別物筑物別級(jí)筑物筑物1212334445455553345水工建筑物級(jí)設(shè)計(jì)水庫(kù)工程水工建筑物的防洪標(biāo)準(zhǔn)防洪標(biāo)準(zhǔn)重現(xiàn)期（年）校核平原區(qū)濱海區(qū)混凝土壩、漿砌石壩及土壩、堆石壩設(shè)計(jì)校核其他水工建筑物別一100050050002000可能最大洪水（PMF）300100或10000500020001000二三50010010050200010001000500500020002000100010050502010003003001009(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(

15、天福廟)四五503030205002002001001000300300200201010100505020根據(jù)以上資料，天福廟水庫(kù)正常庫(kù)容為6032萬(wàn)m，也就是0.6023億立方米，按照水利水電樞紐工程的等級(jí)劃分屬于中型水庫(kù)，工程等級(jí)為三級(jí)。水庫(kù)位于湖北省宜昌市，屬于丘陵區(qū)水庫(kù)，壩型為漿砌石雙曲拱壩，依據(jù)水庫(kù)工程建筑物的防洪標(biāo)準(zhǔn)，天福廟水庫(kù)的設(shè)計(jì)防洪標(biāo)準(zhǔn)（重現(xiàn)期）應(yīng)為50-100年，即P=0.01-0.02，取P=0.02=2%,校核防洪標(biāo)準(zhǔn)為500-1000年,即P=0.001-0.002，取P=0.002=0.2%。三、峰、量選樣及歷史洪水調(diào)查天福廟水庫(kù)壩址1959-1977年峰、量系列

16、根據(jù)分鄉(xiāng)站同期資料換算而得，洪峰按面積比指數(shù)的2/3次方換算，洪量按面積比得1次方換算。天福廟水庫(kù)壩址1978-2001年峰、量系列直接采用天福廟入庫(kù)洪水系列計(jì)算。根據(jù)天福廟水庫(kù)壩址1978-2001年峰、量系列建立峰、量相關(guān)關(guān)系；根據(jù)此峰、量關(guān)系計(jì)算歷史洪水的1d、3d洪量，具體過(guò)程如下：（1）洪峰與1日洪量關(guān)系見(jiàn)表3-1年份KxKyKx-1Ky-1(Kx-1)2(Ky-1)2(Kx-1)(Ky-1)表3-1洪峰與1日洪量關(guān)系洪峰1d洪量QmXY(（m108m3)/s）101978197919801981299634571126(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福

17、廟)0.15250.5510.8386-0.449-0.1610.20180.0260.072510870.2881.1681.58370.16780.58370.02810.34070.097929210.17251.0520.94860.0517-0.0510.00270.0026-0.00265960.08410.2320.4625-0.768-0.5380.58970.28890.4127808619825820.21271.0721.16960.0720.16960.00520.02880.0122123719834370.21240.8051.168-0.1950.1680.038

18、10.0282-0.032774198423890.54894.43.01843.40032.018411.5624.0746.863253121985198619871988198919901991199219931994199519961212184382225926348048514251672614870.06130.2230.3371-0.777-0.6630.60390.43940.515166270.09790.4020.5384-0.598-0.4620.35820.21310.276277950.16770.8070.9222-0.193-0.0780.03730.00610

19、.015036770.11540.4090.6346-0.591-0.3650.34940.13350.215993560.22291.091.22570.09040.22570.00820.0510.0204080.12091.1680.66480.1678-0.3350.02810.1123-0.05622970.23341.4811.28350.48090.28350.23130.08040.136320530.26351.5671.4490.56750.4490.3220.20160.254787340.11950.7830.6571-0.217-0.3430.04720.11760.

20、074467240.11770.3080.6472-0.692-0.3530.47940.12440.244254050.09850.4810.5417-0.519-0.4580.26960.21010.238001610.23410.8971.2873-0.1030.28730.01060.0826-0.0295925199719985449740.13831.0020.76050.22621.7941.24390.002-0.2394E-060.0574-0.00047780.7940.24390.63050.05950.193645919991700.07340.3130.4036-0.

21、687-0.5960.47180.35570.40963295112000613(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)0.21131.1291.16190.12910.16190.01670.02620.0209051520014710.19130.8681.052-0.1320.0520.01750.0027-0.0068836合計(jì)均值13030542.924.36440.181924124-1E-06-1E-1516.3097.06289.944966561-6E-08-5E-170.67960.29430.41437361年份KxKyKx-1Ky-1(Kx-

22、1)2(Ky-1)2(Kx-1)(Ky-1)由表KS2-1的計(jì)算結(jié)果，可進(jìn)一步計(jì)算出下列各值均值X=(1/n)Xi=13030/24=542.92Y=(1/n)Yi=4.3644/24=0.1819均方差x=X(Kx-1)2/(n-1)=542.9216.309/(24-1)=457.178y=Y(Ky-1)2/(n-1)=0.18197.0628/(24-1)=0.1008相關(guān)系數(shù)r=(Kx-1)(Ky-1)/(Kx-1)2(Ky-1)2=9.94496656/16.309*7.0628=0.9267相關(guān)系數(shù)的顯著性檢驗(yàn)：在=0.01時(shí)，據(jù)n=24查表的r=0.487。因?yàn)閞r，由此可以推斷

23、總體是相關(guān)的，且r0.8，可以認(rèn)為相關(guān)是密切的?；貧w系數(shù)Ry/x=r（y/x）=0.9267*(0.1008/457.178)=2.043210-4Y倚x的回歸方程y=2.043210-4x+0.07回歸方程的均方誤Sy=y（1-r2）=0.1008/（1-0.92672）=0.268（2）洪峰與3日洪量關(guān)系見(jiàn)表3-2表3-2洪峰與3日洪量關(guān)系洪峰3d洪Qm量Y(X（m108m3)/s）19782990.28120.5510.95-0.449-0.050.2020.00250.022583212(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)197919806340.539

24、31.1681.820.16780.8210.0280.67485710.20921.0520.710.0517-0.290.0030.08610.1378117-0.01517919811260.12410.2320.42-0.768-0.580.590.33740.446054719825820.31721.0721.070.0720.0710.0050.00510.0051342198319844370.32230.8051.09-0.1950.0890.0380.007823890.85184.42.883.40031.87711.563.5227-0.0172746.38202211

25、9851210.13070.2230.44-0.777-0.560.6040.3120.43408111986198719882180.19240.4020.65-0.598-0.350.3580.12264380.28640.8070.97-0.193-0.030.0370.00112220.1790.4090.6-0.591-0.40.3490.15640.20957180.00631990.233743519895920.31891.091.080.09040.0770.0080.00590.00696719906340.1791.1680.60.1678-0.40.0280.1564-

26、0.0663421991199219931994199519968040.31581.4811.070.48090.0670.2310.00448510.32881.5671.110.56750.110.3220.01224250.18240.7830.62-0.217-0.380.0470.14741670.21310.3080.72-0.692-0.280.4790.07862610.1860.4810.63-0.519-0.370.270.13824870.43340.8971.46-0.1030.4640.0110.21510.03202380.0627040.0833920.1940

27、5910.1930609-0.047766199719985440.31861.0021.089740.41351.7941.40.0020.0764E-060.00580.7940.3970.630.15730.00015170.3148803199920001700.16860.3130.57-0.687-0.430.4720.18546130.31571.1291.070.12910.0660.0170.0044130.2957450.0085526(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)20014710.29860.8681.01-0.1320.0090.0

28、187E-05-0.001126合計(jì)130307.1062424-1E-063E-0516.316.33978.921172均值542.90.296111-6E-081E-060.680.26420.3717155均值X=(1/n)Xi=13030/24=542.92Y=(1/n)Yi=7.106/24=0.2961均方差x=X*(Kx-1)2/(n-1)=542.9216.31/(24-1)=457.193y=Y*(Ky-1)2/(n-1)=0.29616.3397/(24-1)=0.1555相關(guān)系數(shù)r=(Kx-1)(Ky-1)/(Kx-1)2(Ky-1)2=8.921172/16.31*6

29、.3397=0.8773相關(guān)系數(shù)的顯著性檢驗(yàn)：在=0.01時(shí)，據(jù)n=24查表的r=0.487。因?yàn)閞r，由此可以推斷總體是相關(guān)的，且r0.8，可以認(rèn)為相關(guān)是密切的?；貧w系數(shù)Ry/x=r（y/x）=0.8773*(0.2961/542.92)=4.784710-4Y倚x的回歸方程y=4.784710-4x+0.03633回歸方程的均方誤Sy=y（1-r2）=0.1555/（1-0.87732）=0.324圖3-1（3）根據(jù)以上相關(guān)關(guān)系計(jì)算歷史洪水的1d、3d洪量洪峰與1日流量的相關(guān)方程為：y=2.043210-4x+0.0714(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)

30、洪峰與3日流量的相關(guān)方程為：y=4.784710-4x+0.036331935年洪峰流量為4683m/s，則根據(jù)上述相關(guān)方程，可計(jì)算得此次洪水的1日洪量y1=2.043210-44683+0.07=1.0268108m3,1日洪量y2=4.784710-44683+0.03633=2.277108m3（4）分析分鄉(xiāng)站歷史洪水，并換算至天福廟水庫(kù)壩址洪水見(jiàn)表3-3表3-3分鄉(xiāng)站洪水換算成天福廟水庫(kù)壩址洪水年份洪峰流1d洪量3d洪量重現(xiàn)壩址洪峰流1d洪量3d洪量量(108m3)期量（m/s）(（m/s）108m3)108m3)108m3)19354680198437391.02681.07382.

31、2771.6664176299223900.52490.54891.16390.85181826不能定量1930不能定量195828201.22011.950018030.63370.9968四、設(shè)計(jì)洪水計(jì)算頻率計(jì)算其中1935年、1984年、1826年、1930年以及1958年作為歷史特大洪水處理，由于1826年及1930年的洪水資料缺失，作為特大洪水計(jì)算時(shí)有很多不便，而在實(shí)測(cè)范圍內(nèi)，有1984年和1958年兩年為特大洪水，屬于系列內(nèi)特大洪水。在進(jìn)行頻率計(jì)算時(shí)，不考慮1935年洪水，取調(diào)查考證期為1958年至2001年的44年，采用統(tǒng)一樣本法計(jì)算經(jīng)驗(yàn)頻率。15N1nl1由統(tǒng)一樣本法,PM(完

32、整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)Mml（%），PP(1P)(%)mMaMa1aNanxN1nll1ixxxx20.80變差系數(shù)CvxN11考證期至今：N=2001-1826+1=176實(shí)測(cè)洪水系列：n=44N年中的特大洪水：a=5n年中的特大洪水：l=2均值Qx510m3/sjNan11a2j表4-1天福廟水庫(kù)洪峰流量經(jīng)驗(yàn)頻率計(jì)算表洪峰流量序號(hào)QPMPmXi-X（Xi-X）2Mm(m3/s)299223892385238018030.56%1.13%1.69%2.26%2.82%2481.52526157967.13111878.52523528856.7854

33、1874.52523513844.58411869.52523495124.33251292.52521670621.295212310369748515.08%7.34%9.60%525.5252276176.6962463.5252214855.5761340.5252115957.3862484811.86%337.5252113923.2352165838(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)14.12%327.5252107272.73196789101180477464063463461316.38%293.525218.64%263.525220.9

34、0%129.525223.16%123.525225.42%123.525227.68%102.525286157.020969445.511216776.767715258.465715258.465710511.4089121314151617181920212223242559859258257154451948747145244543843742842529.94%32.20%34.46%36.72%38.98%41.24%43.50%45.76%48.02%50.28%52.54%54.80%57.06%59.32%87.525281.525271.525260.525233.525

35、28.5252-23.4748-39.4748-58.4748-65.4748-72.4748-73.4748-82.4748-85.47487660.65406646.35215115.84883663.29531123.936572.6784551.06801558.26283419.30664286.95445252.60215398.55186802.09897305.94792638961.58%-121.474814756.13621727282930313233343536373839404142均值離勢(shì)系數(shù)Cv經(jīng)驗(yàn)頻率曲線如下：2992722662612402222182001

36、89170167162131126121645100.80(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)63.84%-211.474844721.607066.10%-238.474856870.248268.36%-244.474859767.946370.62%-249.474862237.694672.88%-270.474873156.637875.14%-288.474883217.732077.40%-292.474885541.530779.66%-310.474896394.624881.92%-321.4748103346.071384.18%-340.

37、4748115923.115186.44%-343.4748117974.964188.70%-348.4748121434.712590.96%-379.4748144001.152493.22%-384.4748147820.900895.48%-389.4748151690.649297.74%-446.4748199339.780718(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)表4-2理論頻率曲線選配計(jì)算表第一次配線第二次配線第三次配線頻率P（%）p1%3.81Cs/Cv=3Kp4.048Qp2064.48Cs/Cv=2.5pKpQp1982.3.613.88

38、888p3.97Cs/Cv=3.5KpQp2129.4.176762.601330.1330.5%2.0122.613262.012.60882.00081024.1040.081003.10%1.261.32.041.211.96881.4308730.34758.868697.620%0.540.611.4880.461.368228383.58354.950%-0.350.72367.2-0.310.752-0.380.6960.45232.52220.36248.875%-0.68-0.710.432-0.640.48890%6-0.790.366185.6-0.8920.284144

39、.88-0.700.438223.519(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)540.344175.45-0.940.2404122.82-0.7940.36784187.295%-0.824498081272-0.830.33170.9-0.980.209106.899%-0.80.36183.6152528696由此得洪峰流量頻率曲線如下：目測(cè)Cs/Cv=3.5是與經(jīng)驗(yàn)點(diǎn)據(jù)配合良好，即可作為目估適線法最后采用的理論頻率曲線。得50年一遇設(shè)計(jì)洪峰：QCv15103.110.811778.88m3/sQp2%500年一遇校核洪峰：2%QQCv15106.010.8

40、12962.08m3/sp0.2%0.2%x0.1765108m3均值WxN1nll1ixxxx20.56變差系數(shù)CvxN111、1d洪量的頻率計(jì)算1aNan1jNan11a2j表4-3天福廟水庫(kù)1d洪量經(jīng)驗(yàn)頻率計(jì)算表序號(hào)洪峰流PMPmXi-X20（Xi-X）M量Qm(m3/s)0.62370.56%0.54891.13%0.5481.69%0.5472.26%0.51482.82%(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)20.44720.20000.37240.13870.37150.13800.37050.13730.33830.114412340.37270.

41、2880.28320.26355.08%7.34%9.60%11.86%0.19620.03850.11150.01240.10670.01140.0870.0076567891011121314150.23410.23340.22620.22330.22290.21270.21240.21130.19990.19130.187614.12%0.05760.003316.38%0.05690.003218.64%0.04970.002520.90%0.04680.002223.16%0.04640.002225.42%0.03620.001327.68%0.03590.001329.94%0.

42、03480.001232.20%0.02340.000534.46%0.01480.000236.72%0.01110.000121161718192021222324252627282930313233343536370.17250.16810.16770.15250.15140.14830.14570.14520.13830.13140.12090.11950.11770.11540.09850.09790.09310.09210.09150.08410.08170.0813(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)38.98%-0.0040.000041.24%

43、-0.00840.000143.50%-0.00880.000145.76%-0.0240.000648.02%-0.02510.000650.28%-0.02820.000852.54%-0.03080.000954.80%-0.03130.001057.06%-0.03820.001559.32%-0.04510.002061.58%-0.05560.003163.84%-0.0570.003266.10%-0.05880.003568.36%-0.06110.003770.62%-0.0780.006172.88%-0.07860.006275.14%-0.08340.007077.40

44、%-0.08440.007179.66%-0.0850.007281.92%-0.09240.008584.18%-0.09480.009086.44%-0.09520.0091223839404142均值離勢(shì)系數(shù)Cv經(jīng)驗(yàn)頻率曲線如下：0.07340.06640.06130.04340.03630.17650.561(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)88.70%-0.10310.010690.96%-0.11010.012193.22%-0.11520.013395.48%-0.13310.017797.74%-0.14020.0197表4-4理論頻率曲線選配

45、計(jì)算表第一次配線第二次配線第三次配線23(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)頻率Cs/Cv=3Cs/Cv=2.5Cs/Cv=3.5P（%）pKpQppKpQppKpQp2.920.5162.8360.5002.6170.4611%3.433.272.88592.1040.37112.08960.36812.03390.3585%1.971.941.84621.7470.30731.74680.30821.75290.30910%1.321.331.34121.3730.24181.39830.24641.43830.25320%0.660.710.78060.8

46、490.14970.87690.15400.92780.16350%-0.27-0.22-0.13840.5970.10550.59070.10400.59060.104-0.7375%-0.72-0.73570.4510.08010.41620.07310.34320.06090%-0.97-1.04-1.17530.3940.07000.34340.06000.21950.03895%-1.07-1.17-1.39920.3550.06200.25850.04550.02870.00599%-1.15-1.32-1.734358760配線圖如下：24(完整word版)華北電力大學(xué)-工程水文

47、及水利計(jì)算課程設(shè)計(jì)(天福廟)目測(cè)Cs/Cv=2.5是與經(jīng)驗(yàn)點(diǎn)據(jù)配合良好，即可作為目估適線法最后采用的理論頻率曲線。得50年一遇1d設(shè)計(jì)洪量：WWCv10.17652.710.5610.4443108m31p2%500年一遇1d校核洪量：12%WWCv10.17654.560.5610.6272108m3p0.2%0.2%xNanx0.2891108m31aN1nll1ixxxx20.65變差系數(shù)CvxN112、3d洪量的頻率計(jì)算均值W3jNan11a2j表4-5天福廟水庫(kù)3d洪量經(jīng)驗(yàn)頻率計(jì)算表洪峰流序號(hào)（Xi-X）量QPMPmXi-X2Mm(m3/s)0.99680.56%0.85191.13

48、%0.84961.69%0.70770.50080.56280.31670.56050.31420.84812.26%0.5590.3125250.78632.82%(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)0.49720.24721230.65940.57250.53935.08%7.34%9.60%0.37030.13710.28340.08030.25020.06264567891011121314151617181920210.43340.41350.32880.32230.31890.31860.31720.31580.31570.31030.29860.2

49、9240.28770.28640.28520.28120.2480.2311.86%0.14430.020814.12%0.12440.015516.38%0.03970.001618.64%0.03320.001120.90%0.02980.000923.16%0.02950.000925.42%0.02810.000827.68%0.02670.000729.94%0.02660.000732.20%0.02120.000434.46%0.00950.000136.72%0.00330.000038.98%-0.00140.000041.24%-0.00270.000043.50%-0.0

50、0390.000045.76%-0.00790.000148.02%-0.04110.001750.28%-0.05910.0035262223242526272829303132333435363738394041420.22330.22230.22130.21310.20920.19240.1860.18240.17950.1790.1790.16860.15890.1380.1380.13070.12530.12410.10230.07970.0664(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)52.54%-0.06580.004354.80%-0.06680.0

51、04557.06%-0.06780.004659.32%-0.0760.005861.58%-0.07990.006463.84%-0.09670.009466.10%-0.10310.010668.36%-0.10670.011470.62%-0.10960.012072.88%-0.11010.012175.14%-0.11010.012177.40%-0.12050.014579.66%-0.13020.017081.92%-0.15110.022884.18%-0.15110.022886.44%-0.15840.025188.70%-0.16380.026890.96%-0.1650

52、.027293.22%-0.18680.034995.48%-0.20940.043897.74%-0.22270.0496均值0.289127(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)離勢(shì)系數(shù)Cv0.65經(jīng)驗(yàn)頻率曲線如下：表4-6理論頻率曲線選配計(jì)算表頻率第一次配線Cs/Cv=3第二次配線Cs/Cv=2.5第三次配線Cs/Cv=3.5P（%）pKp3.32Qp0.961pKp3.203Qp0.565pKp3.444Qp0.9951%3.583.393.7670854075%22.300.6641.962.2740.40122.3000.66428(完整word版)華

53、北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)001.8490.53301.86440.32901.82590.52710%1.31.331.27501.4040.40551.44210.25451.35780.39220%0.620.680.55300.8060.23200.83750.14750.77950.22550%-0.3-0.25-0.34500.5370.15550.52580.09200.55120.15975%-0.71-0.73-0.69850.4070.11850.35680.06250.46740.13590%-0.91-0.99-0.82850.3710.10850

54、.28590.050-0.8400.44800.12995%-0.96-1.1600.3470.09900.22030.0389-0.8620.43660.12699%-1.01-1.235308752配線圖如下：目測(cè)Cs/Cv=3是與經(jīng)驗(yàn)點(diǎn)據(jù)配合良好，即可作為目估適線法最后采用的理論頻率曲線。得29(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)50年一遇3d設(shè)計(jì)洪量：WWCv10.28912.900.6510.8341108m33p2%500年一遇3d校核洪量：32%WWCv10.28915.170.6511.2606108m3p0.2%0.2%洪峰洪量計(jì)算成果的合理性

55、分析實(shí)測(cè)資料有誤差、樣本與總體有差異、計(jì)算方法不完善等，不可避免的使計(jì)算成果存在誤差甚至錯(cuò)誤。本次計(jì)算成果合理性分析，主要是根據(jù)水量平衡、洪水形成規(guī)律、水文要素隨時(shí)間和地區(qū)的變化規(guī)律以及各種因素對(duì)洪水的影響的等進(jìn)行。根據(jù)洪峰洪量及其統(tǒng)計(jì)參數(shù)隨時(shí)間變化的分析，計(jì)算成果是較為合理的；根據(jù)洪峰洪量及其統(tǒng)計(jì)參數(shù)隨地區(qū)的變化規(guī)律分析，計(jì)算成果也較為合理；故整體而言，洪峰洪量計(jì)算結(jié)果具有合理性。典型洪水過(guò)程線天福廟水庫(kù)典型洪水過(guò)程線見(jiàn)表按同頻率放大法計(jì)算設(shè)計(jì)洪水過(guò)程線已經(jīng)求得天福廟水庫(kù)p=0.2%的洪峰流量：Q1%2962.08m3/s一日洪量為：W1d,0.2%三日洪量為：W3d,0.2%0.62721

56、08m31.2606108m3/s典型洪水過(guò)程線的洪峰流量：Q典2389m3/s典型洪水過(guò)程線最大一日洪量：W1d典型洪水過(guò)程線最大三日洪量：W3d得洪峰洪量表如下：表4-7洪峰洪量0.7112108m30.7780108m330(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)洪量洪峰項(xiàng)目*108m3（m3/s）一日三日p=0.2%的設(shè)計(jì)2962.080.62721.2606洪峰、洪量典型洪水過(guò)程線的23890.71120.778洪峰洪量起訖時(shí)間7h2h26h0h72h各段的放大倍比：KQ2962.0823891.24,K0.62720.71120.88,W19.48；W-

57、W0.7780-0.7112KW31WW1.2606-0.62723P1P3典1典設(shè)計(jì)洪水過(guò)程線計(jì)算表表4-8設(shè)計(jì)洪水過(guò)程線計(jì)算表時(shí)段典型流量放大流量修勻流量放大倍比t=1h0123456（m3/s）96.6572108513451568179120909.480.88/9.480.880.880.880.880.88（m3/s）915.768503.36/5422.56954.81183.61379.841576.081839.2（m3/s）915.768503.36954.81183.61379.841576.081839.231(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(

58、天福廟)7891011121314151617181920212223242526272823892138.71465.51005.1768.8494.3584.9421.2358.7344.8313.7232.5216.3183.5156138121103.9108.491.583.568.61.24/0.880.880.880.880.880.880.880.880.880.880.880.880.880.880.880.880.880.880.880.88/9.489.489.482962.36/2102.321882.0561289.64884.488676.544434.984514

59、.712370.656315.656303.424276.056204.6190.344161.48137.28121.44106.4891.43295.39280.52/148.23791.58650.3282962.361882.0561289.64884.488676.544434.984514.712370.656315.656303.424276.056204.6190.344161.48137.28121.44106.4891.43295.39280.52791.58650.32832(完整word版)華北電力大學(xué)-工程水文及水利計(jì)算課程設(shè)計(jì)(天福廟)293031323334353

60、6373839404142434445464748495053.340.9516154.848.546.345.244.243.541.74038.336.634.833.132.231.330.429.528.727.89.489.489.489.489.489.489.489.489.489.489.489.489.489.489.489.489.489.489.489.489.489.48505.284387.732483.48578.28519.504459.78438.924428.496419.016412.38395.316379.2363.084346.968329.90431