重力壩設(shè)計(jì)實(shí)例二

1、說(shuō)明：本設(shè)計(jì)中部分步驟和課程設(shè)計(jì)任務(wù)書不符，本例僅作為設(shè)計(jì)參考，內(nèi)容有多處錯(cuò)誤。目錄TOCo1-5hz第一章調(diào)洪計(jì)算1調(diào)洪演算的目的1調(diào)洪演算的基本原理和方法1調(diào)洪演算原理12調(diào)洪演算方法2調(diào)洪的基本資料2調(diào)洪演算過(guò)程2方案一2方案二9第二章非溢流壩段設(shè)計(jì)計(jì)算17壩頂高程的確定17正常蓄水位時(shí)壩頂高程的確定17校核蓄水位壩頂高程的確定18第三章非溢流壩段的穩(wěn)定和應(yīng)力分析20壩體自重20上下游壩面水重21設(shè)計(jì)工況21校核工況233.3上、下游水平靜水壓力24設(shè)計(jì)工況24校核工況24浪壓力25基本數(shù)據(jù)25波浪要素計(jì)算及波態(tài)判別25淤沙壓力27基本數(shù)據(jù)27計(jì)算27揚(yáng)壓力27基本數(shù)據(jù)27計(jì)算步驟28設(shè)

2、計(jì)工況28校核工況29第四章溢流壩段的設(shè)計(jì)計(jì)算31溢流壩段總長(zhǎng)度（溢流孔口的總寬度）的確定31閘門高度的確定314.3定型設(shè)計(jì)水頭Hd的確定32第五章堰面曲線設(shè)計(jì)335.1曲線方程335.2堰頂下游曲線方程335.3直線和曲線交點(diǎn)坐標(biāo)345.4反弧圓心確定34第六章中間直線段設(shè)計(jì)35第七章下游消能設(shè)計(jì)367.1基本資料367.2消力戽體型的選擇36消力戽半徑的確定36消力戽底部高程的決定37戽式消力池長(zhǎng)度的決定37戽式消力池出射角的確定37戽坎高度的確定377.3戽式消力池和寬尾墩聯(lián)合消能比較試驗(yàn)387.4臺(tái)階溢流壩面的設(shè)計(jì)387.5溢流壩及消能工設(shè)計(jì)38第八章水力校核40附錄41參考文獻(xiàn)40

3、某重力壩設(shè)計(jì)計(jì)算書第一章調(diào)洪計(jì)算1.1調(diào)洪演算的目的由正常蓄水位等基本資料，通過(guò)調(diào)洪演算來(lái)確定設(shè)計(jì)洪水位和校核洪水位，從而來(lái)確定壩咼。1.2調(diào)洪演算的基本原理和方法調(diào)洪演算原理(a)庫(kù)容曲線Z-V，以及用水力學(xué)公式計(jì)算Q-Z關(guān)系q二Bm；.2gH3/2(c)本次調(diào)洪計(jì)算采用水能規(guī)劃書中介紹的列表試算法計(jì)算，依據(jù)書中所給的水庫(kù)洪水調(diào)節(jié)原理，采用水量平衡方程式Q-qJ-Q2)_丄心-，當(dāng)采用開(kāi)敞式溢流時(shí)，可利用下式計(jì)算22加加Q溢二nb；m2gH/2(m3/s。122?調(diào)洪演算方法在洪水來(lái)臨前，用閘門控制下泄流量，讓水庫(kù)保持在起調(diào)水位357m，河流來(lái)流量繼續(xù)增大于是閘門全開(kāi)。先假定一個(gè)水位，根據(jù)Q

4、溢二nb；m、2gH；，可以確定下泄流量，然后根據(jù)采用水量平衡方程式1V2-乂VQ-q(QiQ2)(qiq2)-1：2At也t求出V后,從而求出了時(shí)段末的庫(kù)容，再根據(jù)庫(kù)容曲線Z-V可以求出計(jì)算水位，從而和假定水位對(duì)照如果其和假定水位相等則試算完畢，否則重新假定水位重復(fù)上面的過(guò)程直到兩者相等。1.3調(diào)洪的基本資料ST水電站壩址設(shè)計(jì)洪水過(guò)程線，水庫(kù)正常蓄水位365.00m，起調(diào)水位357m。本工程采用兩種不同的泄水建筑物的尺寸，對(duì)著兩種不同方案進(jìn)行洪水調(diào)節(jié)，最終比較結(jié)果確定最優(yōu)的泄水建筑物尺寸。溢洪道堰頂高程344.00m，采用8孔15m21m(寬辭)的平板閘門控制。溢洪道堰頂高程343.00m，

5、采用7孔15m23m(寬辭)的平板閘門控制1.4調(diào)洪演算過(guò)程方案一溢洪道堰頂高程344.00m，采用8孔15mx21m（寬X高）的平板閘門控制表1-1P=0.05%時(shí)的計(jì)算表時(shí)間t設(shè)計(jì)流量平均流量下泄流量平均泄量庫(kù)容萬(wàn)m3庫(kù)容變化量水位m7/2415590559056009.203577/244650060456500604556009.203577/247711068057110680556009.203577/2410804075758040757556009.203577/2413925086459250864556009.203577/2416102009725102009725560

6、09.203577/24191090010550109001055056009.203577/24221160011250116001125056009.203577/251127001215012182.811891.456567.7558.54357.247/254139001330012844.312513.657707.91140.17357.727/257158001485014006.013425.259645.41937.50358.537/2510177001675015491.514748.862030.62385.21359.547/2513187001820016742.

7、916117.264144.32113.69360.367/2516190001885017590.817166.865666.31521.93360.917/2519191001905018164.917877.866676.21009.96361.287/2522192001915018560.518362.767366.9690.69361.537/261198001950019032.618796.568195.7828.84361.837/264207002025019676.819354.769300.91105.11362.237/267216002115020423.12004

8、9.970571.91271.08362.687/2610229002225021391.420907.272201.21629.31363.277/2613245002370022618.422004.974233.42032.16364.017/2616261002530024023.623321.076476.02242.56364.827/2619279002700025474.424749.079095.72619.70365.657/2622295002870026953.226213.881846.22750.52366.507/271309003020028459.727706

9、.484481.82635.57367.317/274320003145029807.029133.386850.22368.47368.057/277323003215030760.530283.788512.91662.65368.567/2710324003235031401.731081.189591.01078.13368.897/2713322003230031712.631557.290117.4526.39369.057/2716321003215031857.031784.890379.8262.43369.137/2719313003170031648.031752.590

10、003.9-375.91369.027/2722297003050030854.531251.388757.0-1246.9368.637/281279002880029760.530307.586747.7-2009.3368.017/284263002710028441.329100.984435.1-2312.7367.307/287241002520026809.527625.481508.8-2926.2366.407/2810220002305025016.825913.278250.6-3258.2365.397/2813205002125023266.024141.475263

11、.3-2987.3364.387/2816191001980021608.222437.172554.4-2708.9363.407/2819178001845020122.120865.270046.6-2507.9362.497/2822166001720018757.819439.967716.2-2330.4361.657/291155001605017522.218140.065532.2-2184.0360.877/294146001505016421.716971.963564.8-1967.4360.167/297138001420015378.015899.861860.6-

12、1704.2359.467/2910130001340014423.014900.560323.7-1536.9358.827/2913123001265013581.714002.358939.5-1384.2358.237/2916118001205012879.413230.557773.8-1165.8357.747/2919115001165012348.812614.156857.0-916.74357.367/2922112001135011907.812128.356092.6-764.46357.047/301111001115011594.211751.055558.9-5

13、33.71356.817/304114001125011519.611556.955429.7-129.15356.767/307117001155011594.211556.955544.0114.29356.807/3010119001180011703.011648.655756.8212.81356.897/3013122001205011894.111798.656087.1330.33357.037/3016128001250012245.012069.656686.5599.41357.297/3019147001375013204.212724.658302.01615.513

14、57.977/3022152001495013991.613597.959607.21305.11358.527/311158001550014705.814348.760788.91181.79359.017/314160001590015229.114967.461621.6832.63359.367/317158001590015461.615345.361987.1365.50359.527/3110155001565015475.015468.362014.026.97359.537/3113154001545015446.615460.861963.7-50.37359.517/3

15、116154001540015431.715439.261929.4-34.24359.497/3119156001550015491.515461.662046.6117.21359.547/3122159001575015656.315573.962309.9263.25359.658/11161001600015836.715746.562594.3284.40359.778/14163001620016032.915934.862882.8288.47359.898/17164001635016169.216101.163132.0249.25360.008/1101660016500

16、16336.416252.863416.8284.74360.108/113168001670016511.716424.063728.1311.37360.218/116169001685016657.016584.463990.5262.42360.318/119171001700016825.816741.464286.7296.13360.428/122173001720016999.816912.864610.9324.22360.538/21174001735017149.617074.764881.3270.41360.63說(shuō)明最高水位出現(xiàn)在7月27日16時(shí)到19時(shí)之間，下面對(duì)此

17、時(shí)間段進(jìn)行調(diào)洪演算8/24174001740017242.517196.165051.4170.08360.698/27173001735017258.017250.365096.745.34360.718/210170001715017169.717213.964913.4-183.32360.648/213167001685016995.217082.564594.6-318.78360.538/216166001665016841.216918.264334.1-260.48360.43所以由上面的調(diào)洪演算可知道大壩校核洪水位為369.13m對(duì)應(yīng)的下泄流量為_(kāi)31857.01m3/s時(shí)間

18、t設(shè)計(jì)流量平均流量下泄流量平均泄量庫(kù)容萬(wàn)m3庫(kù)容變化量水位m7/2716321003215031857.031784.890379.8262.43369.137/27173183331966.531857.031857.090371.2-8.64369.137/27183156631699.531780.031828.590286.9-92.87369.117/2719313003143331724.031762.090134.3-236.87369.06表1-2P=0.2%時(shí)的計(jì)算表時(shí)間設(shè)計(jì)流量平均流量下泄流量平均泄量庫(kù)容萬(wàn)m3庫(kù)容變化量水位m7/2414880488056009.20357

19、7/244567052755670527556009.203577/247620059356200593556009.203577/2410701066057010660556009.203577/2413806075358060753556009.203577/2416892084908920849056009.203577/2419946091909460919056009.203577/242210100978010100978056009.203577/2511110010600111001060056009.203577/254121001160011949.011524.55617

20、2.3163.14357.077/257138001295012664.912306.957398.31225.91357.587/251015300I1455013696.313180.659130.31732.00358.317/2513162001575014691.114193.760759.91629.66359.007/2516164001630015379.515035.361862.11102.18359.467/2519165001645015836.715608.162578.5716.40359.777/2522166001655016138.915987.863076.

21、5498.00359.987/261171001685016504.116321.563720.1643.62360.217/264178001745016995.216749.664589.3869.22360.537/267186001820017595.517295.365674.21084.88360.927/2610197001915018395.617995.567083.01408.80361.437/2613210002035019392.418894.068819.21736.18362.057/2616224002170020564.219978.370801.81982.

22、62362.777/2619240002320021909.621236.973059.42257.59363.587/2622254002470023300.322605.075327.12267.68364.407/271266002600024597.023948.677490.32163.26365.167/274275002705024567.324582.280657.63167.28366.137/277278002765026881.325724.381649.8992.18366.447/2710279002785027259.527070.482341.5691.70366

23、.657/2713277002780027422.227340.982641.5300.05366.757/2716276002765027494.627458.482755.4113.87366.787/2719269002725027272.227383.482353.5-401.95366.667/2722256002625026648.126960.181221.6-1131.9366.317/281240002480025651.126149.679438.4-1783.1365.767/284226002330024527.225089.177357.0-2081.4365.117

24、/287207002165023009.723768.474862.6-2494.4364.237/2810189001980021383.122196.472180.9-2681.7363.277/2813177001830019942.920663.069758.5-2422.4362.397/2816165001710018616.119279.567473.2-2285.4361.577/281915400I1595017397.718006.965315.6-2157.5360.797/2822144001490016275.516836.663290.1-2025.6360.067

25、/291135001395015154.815715.161502.9-1787.2359.317/294127001310014171.214663.059914.1-1588.9358.647/297120001235013313.513742.358495.5-1418.6358.057/2910113001165012529.512921.557167.6-1327.9357.497/2913107001100011825.712177.655951.8-1215.8356.987/2916103001050011243.011534.454933.4-1018.4356.557/29

26、1999901014510762.711002.954098.9-834.53356.207/29229800989510407.110584.953443.2-655.69355.927/3019650972510120.310263.752935.2-507.97355.717/3049920978510050.410085.452794.4-140.78355.657/307102001006010107.410078.952894.5100.04355.697/3010104001030010211.310159.353098.3203.80355.777/30131060010500

27、10354.810283.053363.1264.84355.897/3016112001090010675.410515.153929.7566.54356.127/3019128001200011479.011077.255356.41426.71356.737/3022133001305012177.311828.156568.91212.50357.247/311138001355012809.212493.357639.01070.08357.697/314139001385013232.513020.958359.8720.87357.997/317137001380013417.

28、413325.058665.0305.21358.127/3110135001360013445.913431.758723.458.41358.147/3113134001345013431.713438.858689.3-34.19358.137/3116134001340013417.413424.558670.5-18.79358.127/3119136001350013488.713453.158790.6120.17358.177/3122138001370013611.713550.258994.0203.35358.268/11140001390013760.913686.35

29、9252.2258.19358.37說(shuō)明最高水位出現(xiàn)在7月27日16時(shí)到19時(shí)之間，下面對(duì)此時(shí)間段進(jìn)行調(diào)洪演算8/14142001410013941.013851.059531.9279.72358.488/17143001425014078.414009.759771.3239.36358.588/110144001435014208.914143.759977.6206.35358.678/113145001445014325.314267.160166.3188.66358.758/116147001460014471.314398.360413.3247.05358.858/11914

30、8001475014603.014537.160626.1212.76358.948/122150001490014764.614683.860880.3254.26359.058/21151001505014897.214830.961099.3219.01359.148/24151001510014981.414939.361227.5128.06359.208/27150001505014988.814985.161239.512.08359.208/210148001490014912.014950.461118.6-120.93359.158/213145001465014749.9

31、14830.960848.7-269.85359.048/216144001445014603.014676.460629.5-219.24358.95所以由上面的調(diào)洪演算可知道大壩設(shè)計(jì)洪水位為366.78m對(duì)應(yīng)的下泄流量為_(kāi)27494.56m3/s。時(shí)間設(shè)計(jì)流量平均流量下泄流量平均泄量庫(kù)容萬(wàn)m3庫(kù)容變化量水位m7/2716276002765027494.627458.482755.4113.88366.787/271727366.727483.327474.727484.682716.5-38.87366.777/27182713327249.827422.227448.482612.4-1

32、04.10366.747/27192690027016.527252.627337.282353.5-401.95366.66在方案一：溢洪道堰頂高程344.00m，采用8孔15mx21m（寬X高）的平板閘門控制下：大壩設(shè)計(jì)洪水位為366.78m對(duì)應(yīng)的下泄流量為27494.56m3/s；大壩校核洪水位為369.13m對(duì)應(yīng)的下泄流量為31857.01m3/s。方案二溢洪道堰頂高程343m，采用7孔15mx23m（寬X高）的平板閘門控制表1-3P=0.05%時(shí)的計(jì)算表時(shí)間t設(shè)計(jì)流量平均流量下泄流量平均泄量庫(kù)容萬(wàn)m3庫(kù)容變化量水位m7/2415590559056009.203577/24465006

33、0456500604556009.203577/247711068057110680556009.203577/2410804075758040757556009.203577/2413925086459250864556009.203577/241610200972510200972556009.203577/24191090010550109001055056009.203577/24221160011250116001125056009.203577/251127001215011990.511795.356775.4766.21357.327/254139001330012687.91

34、2339.258084.51309.04357.877/257158001485013843.913265.960197.02112.58358.767/2510177001675015304.714574.362784.02586.95359.857/2513187001820016513.615909.165145.42361.37360.737/2516190001885017393.216953.466880.71735.39361.357/2519191001905018008.117700.668060.01179.26361.787/2522192001915017649.717

35、828.969734.31674.32362.387/261198001950019215.018432.470366.1631.79362.617/264207002025018819.519017.372397.02030.90363.347/267216002115020778.819799.273283.9886.93363.667/2610229002225021568.221173.574722.31438.38364.187/2613245002370022669.522118.876699.31976.95364.907/2616261002530023863.223266.3

36、79115.12415.79365.667/2619279002700025263.624563.481962.42847.29366.547/2622295002870026751.226007.484931.12968.75367.457/271309003020028225.027488.187820.12888.98368.347/274320003145029589.128907.190423.92603.77369.157/277323003215030570.430079.792291.81867.99369.737/2710324003235031216.130893.2935

37、70.51278.64370.107/2713322003230031544.931380.594278.0707.47370.297/2716321003215031735.931640.494671.2393.28370.407/2719313003170031590.031662.994358.0-313.22370.327/2722297003050030950.431270.293007.6-1350.4369.957/281279002880029844.130397.290908.0-2099.6369.307/284263002710028559.829202.088467.4

38、-2440.6368.547/287241002520026974.727767.385362.8-3104.6367.597/2810220002305025223.426099.081881.5-3481.3366.517/2813205002125023584.124403.778550.7-3330.8365.487/2816191001980021972.722778.475448.3-3102.5364.447/2819178001845020417.821195.272621.1-2827.2363.427/2822166001720019024.319721.070002.9-

39、2618.2362.487/291155001605017749.818387.067573.1-2429.8361.607/294146001505016631.117190.465379.5-2193.6360.817/297138001420015646.516138.863385.3-1994.3360.097/2910130001340014642.015144.361611.9-1773.3359.367/2913123001265013764.914203.460029.8-1582.1358.697/2916118001205013027.313396.158704.3-132

40、5.5358.137/2919115001165012471.012749.157655.7-1048.7357.697/2922112001135012003.112237.056788.3-867.35357.337/301111001115011674.211838.656168.2-620.12357.077/304114001125011574.711624.555979.5-188.72356.997/307117001155011620.711597.756065.185.65357.027/3010119001180011721.511671.156257.9192.76357

41、.107/3013122001205011890.211805.956592.5334.58357.257/3016128001250012226.212058.257212.2619.73357.517/3019147001375013138.512682.458898.61686.40358.227/3022152001495013904.613521.560297.71399.08358.817/311158001550014615.114259.861577.41279.67359.347/314160001590015141.514878.362504.6927.21359.747/

42、317158001590015400.215270.862936.4431.84359.927/3110155001565015435.715417.963005.969.49359.957/3113154001545015422.015428.862982.1-23.75359.947/3116154001540015413.815417.962967.2-14.90359.937/3119156001550015482.115448.063094.5127.30359.987/3122159001575015646.515564.363368.3273.73360.108/11161001

43、600015819.815733.263670.9302.62360.238/14163001620016004.815912.363989.8318.87360.368/17164001635016157.116080.964252.1262.32360.478/110166001650016254.316205.764625.4373.34360.548/113168001670016445.116349.765008.7383.27360.688/116169001685016603.116524.165329.4320.69360.798/119171001700016781.2166

44、92.165673.7344.34360.928/122173001720016968.416874.866031.9358.16361.058/21174001735017118.117043.266336.4304.50361.168/24174001740017218.617168.366532.3195.94361.238/27173001735017246.917232.766589.657.33361.25說(shuō)明最高水位出現(xiàn)在7月27日16時(shí)到19時(shí)之間，下面對(duì)此時(shí)間段進(jìn)行調(diào)洪演算8/210170001715017159.117203.066417.8-171.82361.198/2

45、13167001685016996.617077.866097.5-320.31361.078/216166001665016855.716926.165821.4-276.14360.97所以由上面的調(diào)洪演算可知該方案下大壩校核洪水位為370.41m對(duì)應(yīng)的下泄流量為31751.49m3/s。時(shí)間t設(shè)計(jì)流量平均流量下泄流量平均泄量庫(kù)容萬(wàn)m3庫(kù)容變化量水位m7/2716321003215031735.931640.494671.2393.28370.407/271731833.331966.731751.531743.794700.729.46370.417/271831566.731700.0

46、31723.731737.694644.1-56.53370.397/2719313003170031590.031662.994358.0-313.22370.32表1-4P=0.2%時(shí)的計(jì)算表時(shí)間設(shè)計(jì)流量平均流量下泄流量平均泄量庫(kù)容萬(wàn)m3庫(kù)容變化量水位m7/24148804880.0056009.203577/244567052755670.005275.0056009.203577/247620059356200.005935.0056009.203577/2410701066057010.006605.0056009.203577/2413806075358060.007535.005

47、6009.203577/2416892084908920.008490.0056009.203577/2419946091909460.009190.0056009.203577/242210100978010100.09780.0056009.203577/251111001060011100.010600.056009.203577/254121001160011777.711438.856357.3348.13357.157/257138001295012509.212143.457751.41394.10357.737/2510153001455013542.013025.659650

48、.11898.69358.537/2513162001575014542.714042.361440.01789.85359.297/2516164001630015250.214896.562681.71241.77359.817/2519165001645015709.715480.063535.2853.50360.157/2522166001655016020.015864.864161.7626.44360.377/261171001685016400.516210.264917.2755.47360.647/264178001745016893.716647.165896.0978

49、.82361.007/267186001820017499.917196.867084.11188.11361.437/2610197001915018290.717895.368606.11522.00361.987/2613210002035019273.818782.370470.31864.26362.657/2616224002170020417.819845.872611.22140.83363.427/2619240002320021751.721084.775039.32428.14364.307/2622254002470023097.922424.877525.62486.

50、25365.177/271266002600024300.523699.280009.02483.44365.937/274275002705025413.524857.082262.42253.40366.637/277278002765026260.325836.983925.31662.86367.147/2710279002785026833.326546.885077.31152.08367.507/2713277002780027137.826985.585684.6607.22367.697/2716276002765027302.827220.386005.5320.94367

51、.787/2719269002725027159.227231.085725.6-279.94367.707/2722256002625026603.626881.484641.7-1083.9367.367/281240002480025691.526147.682814.8-1826.8366.807/284226002330024614.325152.980639.4-2175.5366.137/287207002165023260.623937.577873.9-2765.5365.277/2810189001980021659.922460.374893.3-2980.7364.24

52、7/2813177001830020193.220926.572200.6-2692.6363.277/2816165001710018848.719521.069663.9-2536.6362.367/2819154001595017606.918227.867280.5-2383.4361.507/2822144001490016463.317035.165052.2-2228.3360.697/291135001395015420.615942.062977.9-2074.3359.937/294127001310014385.014902.861158.2-1819.8359.177/

53、297120001235013489.713937.359549.3-1608.9358.497/2910113001165012679.013084.358060.0-1489.3357.867/2913107001100011952.912315.956706.9-1353.1357.297/2916103001050011355.711654.355566.7-1140.2356.817/291999901014510870.811113.354615.5-951.27356.417/29229800989510490.210680.553870.1-745.36356.107/3019

54、650972510192.510341.353284.3-585.86355.857/3049920978510097.410144.953092.6-191.62355.777/307102001006010135.410116.453162.469.76355.807/3010104001030010228.210181.853348.0185.57355.887/3013106001050010358.310293.253609.0261.05355.997/3016112001090010655.210506.754197.5588.44356.247/3019128001200011

55、422.411038.855685.31487.82356.867/3022133001305012103.811763.156977.21291.94357.417/311138001355012726.312415.158136.81159.55357.907/314139001385013156.712941.558939.6802.82358.237/317137001380013359.313258.059307.6368.01358.397/3110135001360013411.413385.359403.395.72358.437/3113134001345013406.213

56、408.859396.7-6.65358.437/3116134001340013403.613404.959392.8-3.83358.427/3119136001350013476.613440.159526.1133.26358.487/3122138001370013594.313535.559748.2222.14358.578/11140001390013751.813673.060016.3268.08358.698/14142001410013917.813834.860321.1304.82358.828/17143001425014061.913989.860578.325

57、7.17358.92說(shuō)明最高水位出現(xiàn)在7月27日16時(shí)到19時(shí)之間，下面對(duì)此時(shí)間段進(jìn)行調(diào)洪演算8/110144001435014187.914124.960807.4229.07359.028/113145001445014307.614247.861015.2207.76359.118/116147001460014454.414381.061280.4265.23359.228/119148001475014584.314519.461513.4232.99359.328/122150001490014742.814663.561791.2277.82359.438/21151001505

58、014878.914810.862030.0238.82359.548/24151001510014965.314922.162175.4145.44359.608/27150001505014976.214970.762201.225.75359.618/210148001490014911.314943.762081.0-120.18359.568/213145001465014752.214831.761808.7-272.36359.448/216144001445014619.114685.761572.0-236.68359.34所以由上面的調(diào)洪演算可知該方案下大壩設(shè)計(jì)洪水位為36

59、7.79m對(duì)應(yīng)的下泄流量為27311.1m3/s。時(shí)間t設(shè)計(jì)流量平均流量下泄流量平均泄量庫(kù)容萬(wàn)m3庫(kù)容變化量水位m7/27162760027650.027302.827220.386005.5320.94367.797/271727366.727483.327311.127307.086025.520.01367.797/271827133.327250.027284.727297.985971.0-54.47367.777/27192690027250.027159.227231.085925.6-279.94367.70在方案二：溢洪道堰頂高程343.00m，采用7孔15mx23m（寬X高

60、）的平板閘門控制下：大壩設(shè)計(jì)洪水位為367.79m對(duì)應(yīng)的下泄流量為27311.1m3/s；大壩校核洪水位為370.41m對(duì)應(yīng)的下泄流量為31751.49m3/s。第二章非溢流壩段設(shè)計(jì)計(jì)算2.1壩頂高程的確定壩頂應(yīng)高于校核洪水位，壩頂上游防浪墻頂?shù)母叱虘?yīng)高于波浪頂高程，其和正常蓄水位或校核洪水位的高差，可根據(jù)混凝土重力壩設(shè)計(jì)規(guī)范，由下式(3-1)計(jì)算，應(yīng)選擇兩者中咼程的咼者作為選定咼程：h=h%hz入(2-1)式中：殆防浪墻頂至正常蓄水位或校核洪水位的高差(m)；hi%為累計(jì)頻率為1%的波浪高度(m);hz波浪中心線至正?；蛐：撕樗坏母卟?m);hc安全超高，按混凝土重力壩設(shè)計(jì)規(guī)范規(guī)定，按下表