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重力坝设计实例

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重力坝设计实例目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc11826155"第一章调洪计算1HYPERLINK\l"_Toc11826156"1.1调洪演算的目的1HYPERLINK\l"_Toc11826157"1.2调洪演算的基本原理和方法1HYPERLINK\l"_Toc11826158"1.2.1调洪演算原理1HYPERLINK\l"_Toc11826159"1.2.2调洪演算方法2HYPERLINK\l"_Toc11826160"1.3调洪的基本资料2H...

重力坝设计实例
目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc11826155"第一章调洪计算1HYPERLINK\l"_Toc11826156"1.1调洪演算的目的1HYPERLINK\l"_Toc11826157"1.2调洪演算的基本原理和方法1HYPERLINK\l"_Toc11826158"1.2.1调洪演算原理1HYPERLINK\l"_Toc11826159"1.2.2调洪演算方法2HYPERLINK\l"_Toc11826160"1.3调洪的基本资料2HYPERLINK\l"_Toc11826161"1.4调洪演算过程2HYPERLINK\l"_Toc11826162"1.4.1方案一2HYPERLINK\l"_Toc11826163"1.4.2方案二9HYPERLINK\l"_Toc11826164"第二章非溢流坝段设计计算17HYPERLINK\l"_Toc11826165"2.1坝顶高程的确定17HYPERLINK\l"_Toc11826166"2.1.1正常蓄水位时坝顶高程的确定17HYPERLINK\l"_Toc11826167"2.1.2校核蓄水位坝顶高程的确定18HYPERLINK\l"_Toc11826168"第三章非溢流坝段的稳定和应力分析20HYPERLINK\l"_Toc11826169"3.1坝体自重20HYPERLINK\l"_Toc11826170"3.2上下游坝面水重21HYPERLINK\l"_Toc11826171"3.2.1设计工况21HYPERLINK\l"_Toc11826172"3.2.2校核工况23HYPERLINK\l"_Toc11826173"3.3上、下游水平静水压力24HYPERLINK\l"_Toc11826174"3.3.1设计工况24HYPERLINK\l"_Toc11826175"3.3.2校核工况24HYPERLINK\l"_Toc11826176"3.4浪压力25HYPERLINK\l"_Toc11826177"3.4.1基本数据25HYPERLINK\l"_Toc11826178"3.4.2波浪要素计算及波态判别25HYPERLINK\l"_Toc11826179"3.5淤沙压力27HYPERLINK\l"_Toc11826180"3.5.1基本数据27HYPERLINK\l"_Toc11826181"3.5.2计算27HYPERLINK\l"_Toc11826182"3.6扬压力27HYPERLINK\l"_Toc11826183"3.6.1基本数据27HYPERLINK\l"_Toc11826184"3.6.2计算步骤28HYPERLINK\l"_Toc11826185"3.6.2.1设计工况28HYPERLINK\l"_Toc11826186"3.6.2.2校核工况29HYPERLINK\l"_Toc11826187"第四章溢流坝段的设计计算31HYPERLINK\l"_Toc11826188"4.1溢流坝段总长度(溢流孔口的总宽度)的确定31HYPERLINK\l"_Toc11826189"4.2闸门高度的确定31HYPERLINK\l"_Toc11826190"4.3定型设计水头的确定32HYPERLINK\l"_Toc11826191"第五章堰面曲线设计33HYPERLINK\l"_Toc11826192"5.1曲线方程33HYPERLINK\l"_Toc11826193"5.2堰顶下游曲线方程33HYPERLINK\l"_Toc11826194"5.3直线与曲线交点坐标34HYPERLINK\l"_Toc11826195"5.4反弧圆心确定34HYPERLINK\l"_Toc11826196"第六章中间直线段设计35HYPERLINK\l"_Toc11826197"第七章下游消能设计36HYPERLINK\l"_Toc11826198"7.1基本资料36HYPERLINK\l"_Toc11826199"7.2消力戽体型的选择36HYPERLINK\l"_Toc11826200"7.2.1消力戽半径的确定36HYPERLINK\l"_Toc11826201"7.2.2消力戽底部高程的决定37HYPERLINK\l"_Toc11826202"7.2.3戽式消力池长度的决定37HYPERLINK\l"_Toc11826203"7.2.4戽式消力池出射角的确定37HYPERLINK\l"_Toc11826204"7.2.5戽坎高度的确定37HYPERLINK\l"_Toc11826205"7.3戽式消力池与宽尾墩联合消能比较试验38HYPERLINK\l"_Toc11826206"7.4台阶溢流坝面的设计38HYPERLINK\l"_Toc11826207"7.5溢流坝及消能工设计38HYPERLINK\l"_Toc11826208"第八章水力校核40HYPERLINK\l"_Toc11826209"附录41HYPERLINK\l"_Toc11826209"参考文献PAGEREF_Toc11826209\h43某重力坝设计计算书学生:潘震生指导老师:黄耀英三峡大学科技学院第一章调洪计算1.1调洪演算的目的由正常蓄水位等基本资料,通过调洪演算来确定设计洪水位和校核洪水位,从而来确定坝高。1.2调洪演算的基本原理和方法1.2.1调洪演算原理(a)库容曲线Z-V,以及用水力学公式计算Q-Z关系;(b)分析确定调洪开始时的起始条件,起调水位357m;(c)本次调洪计算采用《水能 规划 污水管网监理规划下载职业规划大学生职业规划个人职业规划职业规划论文 》书中介绍的列表试算法计算,依据书中所给的水库洪水调节原理,采用水量平衡方程式,当采用开敞式溢流时,可利用下式计算。1.2.2调洪演算方法在洪水来临前,用闸门控制下泄流量,让水库保持在起调水位357m,河流来流量继续增大于是闸门全开。先假定一个水位,根据,可以确定下泄流量,然后根据采用水量平衡方程式求出△V后,从而求出了时段末的库容,再根据库容曲线Z-V可以求出计算水位,从而与假定水位对照如果其与假定水位相等则试算完毕,否则重新假定水位重复上面的过程直到两者相等。1.3调洪的基本资料ST水电站坝址设计洪水过程线,水库正常蓄水位365.00m,起调水位357m。本工程采用两种不同的泄水建筑物的尺寸,对着两种不同方案进行洪水调节,最终比较结果确定最优的泄水建筑物尺寸。(1)溢洪道堰顶高程344.00m,采用8孔15m×21m(宽×高)的平板闸门控制。(2)溢洪道堰顶高程343.00m,采用7孔15m×23m(宽×高)的平板闸门控制1.4调洪演算过程1.4.1方案一溢洪道堰顶高程344.00m,采用8孔15m×21m(宽×高)的平板闸门控制表1-1P=0.05%时的计算表时间t设计流量平均流量下泄流量平均泄量库容万m3库容变化量水位m7/2415590559056009.203577/244650060456500604556009.203577/247711068057110680556009.203577/2410804075758040757556009.203577/2413925086459250864556009.203577/241610200972510200972556009.203577/24191090010550109001055056009.203577/24221160011250116001125056009.203577/251127001215012182.811891.456567.7558.54357.247/254139001330012844.312513.657707.91140.17357.727/257158001485014006.013425.259645.41937.50358.537/2510177001675015491.514748.862030.62385.21359.547/2513187001820016742.916117.264144.32113.69360.367/2516190001885017590.817166.865666.31521.93360.917/2519191001905018164.917877.866676.21009.96361.287/2522192001915018560.518362.767366.9690.69361.537/261198001950019032.618796.568195.7828.84361.837/264207002025019676.819354.769300.91105.11362.237/267216002115020423.120049.970571.91271.08362.687/2610229002225021391.420907.272201.21629.31363.277/2613245002370022618.422004.974233.42032.16364.017/2616261002530024023.623321.076476.02242.56364.827/2619279002700025474.424749.079095.72619.70365.657/2622295002870026953.226213.881846.22750.52366.507/271309003020028459.727706.484481.82635.57367.317/274320003145029807.029133.386850.22368.47368.057/277323003215030760.530283.788512.91662.65368.567/2710324003235031401.731081.189591.01078.13368.897/2713322003230031712.631557.290117.4526.39369.057/2716321003215031857.031784.890379.8262.43369.137/2719313003170031648.031752.590003.9-375.91369.027/2722297003050030854.531251.388757.0-1246.9368.637/281279002880029760.530307.586747.7-2009.3368.017/284263002710028441.329100.984435.1-2312.7367.307/287241002520026809.527625.481508.8-2926.2366.407/2810220002305025016.825913.278250.6-3258.2365.397/2813205002125023266.024141.475263.3-2987.3364.387/2816191001980021608.222437.172554.4-2708.9363.407/2819178001845020122.120865.270046.6-2507.9362.497/2822166001720018757.819439.967716.2-2330.4361.657/291155001605017522.218140.065532.2-2184.0360.877/294146001505016421.716971.963564.8-1967.4360.167/297138001420015378.015899.861860.6-1704.2359.467/2910130001340014423.014900.560323.7-1536.9358.827/2913123001265013581.714002.358939.5-1384.2358.237/2916118001205012879.413230.557773.8-1165.8357.747/2919115001165012348.812614.156857.0-916.74357.367/2922112001135011907.812128.356092.6-764.46357.047/301111001115011594.211751.055558.9-533.71356.817/304114001125011519.611556.955429.7-129.15356.767/307117001155011594.211556.955544.0114.29356.807/3010119001180011703.011648.655756.8212.81356.897/3013122001205011894.111798.656087.1330.33357.037/3016128001250012245.012069.656686.5599.41357.297/3019147001375013204.212724.658302.01615.51357.977/3022152001495013991.613597.959607.21305.11358.527/311158001550014705.814348.760788.91181.79359.017/314160001590015229.114967.461621.6832.63359.367/317158001590015461.615345.361987.1365.50359.527/3110155001565015475.015468.362014.026.97359.537/3113154001545015446.615460.861963.7-50.37359.517/3116154001540015431.715439.261929.4-34.24359.497/3119156001550015491.515461.662046.6117.21359.547/3122159001575015656.315573.962309.9263.25359.658/11161001600015836.715746.562594.3284.40359.778/14163001620016032.915934.862882.8288.47359.898/17164001635016169.216101.163132.0249.25360.008/110166001650016336.416252.863416.8284.74360.108/113168001670016511.716424.063728.1311.37360.218/116169001685016657.016584.463990.5262.42360.318/119171001700016825.816741.464286.7296.13360.428/122173001720016999.816912.864610.9324.22360.538/21174001735017149.617074.764881.3270.41360.638/24174001740017242.517196.165051.4170.08360.698/27173001735017258.017250.365096.745.34360.718/210170001715017169.717213.964913.4-183.32360.648/213167001685016995.217082.564594.6-318.78360.538/216166001665016841.216918.264334.1-260.48360.43说明最高水位出现在7月27日16时到19时之间,下面对此时间段进行调洪演算时间t设计流量平均流量下泄流量平均泄量库容万m3库容变化量水位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所以由上面的调洪演算可知道大坝校核洪水位为369.13m对应的下泄流量为31857.01m3/s表1-2P=0.2%时的计算表时间设计流量平均流量下泄流量平均泄量库容万m3库容变化量水位m7/2414880488056009.203577/244567052755670527556009.203577/247620059356200593556009.203577/2410701066057010660556009.203577/2413806075358060753556009.203577/2416892084908920849056009.203577/2419946091909460919056009.203577/242210100978010100978056009.203577/2511110010600111001060056009.203577/254121001160011949.011524.556172.3163.14357.077/257138001295012664.912306.957398.31225.91357.587/2510153001455013696.313180.659130.31732.00358.317/2513162001575014691.114193.760759.91629.66359.007/2516164001630015379.515035.361862.11102.18359.467/2519165001645015836.715608.162578.5716.40359.777/2522166001655016138.915987.863076.5498.00359.987/261171001685016504.116321.563720.1643.62360.217/264178001745016995.216749.664589.3869.22360.537/267186001820017595.517295.365674.21084.88360.927/2610197001915018395.617995.567083.01408.80361.437/2613210002035019392.418894.068819.21736.18362.057/2616224002170020564.219978.370801.81982.62362.777/2619240002320021909.621236.973059.42257.59363.587/2622254002470023300.322605.075327.12267.68364.407/271266002600024597.023948.677490.32163.26365.167/274275002705024567.324582.280657.63167.28366.137/277278002765026881.325724.381649.8992.18366.447/2710279002785027259.527070.482341.5691.70366.657/2713277002780027422.227340.982641.5300.05366.757/2716276002765027494.627458.482755.4113.87366.787/2719269002725027272.227383.482353.5-401.95366.667/2722256002625026648.126960.181221.6-1131.9366.317/281240002480025651.126149.679438.4-1783.1365.767/284226002330024527.225089.177357.0-2081.4365.117/287207002165023009.723768.474862.6-2494.4364.237/2810189001980021383.122196.472180.9-2681.7363.277/2813177001830019942.920663.069758.5-2422.4362.397/2816165001710018616.119279.567473.2-2285.4361.577/2819154001595017397.718006.965315.6-2157.5360.797/2822144001490016275.516836.663290.1-2025.6360.067/291135001395015154.815715.161502.9-1787.2359.317/294127001310014171.214663.059914.1-1588.9358.647/297120001235013313.513742.358495.5-1418.6358.057/2910113001165012529.512921.557167.6-1327.9357.497/2913107001100011825.712177.655951.8-1215.8356.987/2916103001050011243.011534.454933.4-1018.47/291999901014510762.711002.954098.9-834.53356.207/29229800989510407.110584.953443.2-655.69355.927/3019650972510120.310263.752935.2-507.97355.717/3049920978510050.410085.452794.4-140.78355.657/307102001006010107.410078.952894.5100.04355.697/3010104001030010211.310159.353098.3203.80355.777/3013106001050010354.810283.053363.1264.84355.897/3016112001090010675.410515.153929.7566.54356.127/3019128001200011479.011077.255356.41426.71356.737/3022133001305012177.311828.156568.91212.50357.247/311138001355012809.212493.357639.01070.08357.697/314139001385013232.513020.958359.8720.87357.997/317137001380013417.413325.058665.0305.21358.127/3110135001360013445.913431.758723.458.41358.147/3113134001345013431.713438.858689.3-34.19358.137/3116134001340013417.413424.558670.5-18.79358.127/3119136001350013488.713453.158790.6120.17358.177/3122138001370013611.713550.258994.0203.35358.268/11140001390013760.913686.359252.2258.19358.378/14142001410013941.013851.059531.9279.72358.488/17143001425014078.414009.759771.3239.36358.588/110144001435014208.914143.759977.6206.35358.678/113145001445014325.314267.160166.3188.66358.758/116147001460014471.314398.360413.3247.05358.858/119148001475014603.014537.160626.1212.76358.948/122150001490014764.614683.860880.3254.26359.058/21151001505014897.214830.961099.3219.01359.148/24151001510014981.414939.361227.5128.06359.208/27150001505014988.814985.161239.512.08359.208/210148001490014912.014950.461118.6-120.93359.158/213145001465014749.914830.960848.7-269.85359.048/216144001445014603.014676.460629.5-219.24358.95说明最高水位出现在7月27日16时到19时之间,下面对此时间段进行调洪演算时间设计流量平均流量下泄流量平均泄量库容万m3库容变化量水位m7/2716276002765027494.627458.482755.4113.88366.787/271727366.727483.327474.727484.682716.5-38.87366.777/27182713327249.827422.227448.482612.4-104.10366.747/27192690027016.527252.627337.282353.5-401.95366.66所以由上面的调洪演算可知道大坝设计洪水位为366.78m对应的下泄流量为27494.56m3/s。在方案一:溢洪道堰顶高程344.00m,采用8孔15m×21m(宽×高)的平板闸门控制下:大坝设计洪水位为366.78m对应的下泄流量为27494.56m3/s;大坝校核洪水位为369.13m对应的下泄流量为31857.01m3/s。1.4.2方案二溢洪道堰顶高程343m,采用7孔15m×23m(宽×高)的平板闸门控制表1-3P=0.05%时的计算表时间t设计流量平均流量下泄流量平均泄量库容万m3库容变化量水位m7/2415590559056009.203577/244650060456500604556009.203577/247711068057110680556009.203577/2410804075758040757556009.203577/2413925086459250864556009.203577/241610200972510200972556009.203577/24191090010550109001055056009.203577/24221160011250116001125056009.203577/251127001215011990.511795.356775.4766.21357.327/254139001330012687.912339.258084.51309.04357.877/257158001485013843.913265.960197.02112.58358.767/2510177001675015304.714574.362784.02586.95359.857/2513187001820016513.615909.165145.42361.37360.737/2516190001885017393.216953.466880.71735.39361.357/2519191001905018008.117700.668060.01179.26361.787/2522192001915017649.717828.969734.31674.32362.387/261198001950019215.018432.470366.1631.79362.617/264207002025018819.519017.372397.02030.90363.347/267216002115020778.819799.273283.9886.93363.667/2610229002225021568.221173.574722.31438.38364.187/2613245002370022669.522118.876699.31976.95364.907/2616261002530023863.223266.379115.12415.79365.667/2619279002700025263.624563.481962.42847.29366.547/2622295002870026751.226007.484931.12968.75367.457/271309003020028225.027488.187820.12888.98368.347/274320003145029589.128907.190423.92603.77369.157/277323003215030570.430079.792291.81867.99369.737/2710324003235031216.130893.293570.51278.64370.107/2713322003230031544.931380.594278.0707.47370.297/2716321003215031735.931640.494671.2393.28370.407/2719313003170031590.031662.994358.0-313.22370.327/2722297003050030950.431270.293007.6-1350.4369.957/281279002880029844.130397.290908.0-2099.6369.307/284263002710028559.829202.088467.4-2440.6368.547/287241002520026974.727767.385362.8-3104.6367.597/2810220002305025223.426099.081881.5-3481.3366.517/2813205002125023584.124403.778550.7-3330.8365.487/2816191001980021972.722778.475448.3-3102.5364.447/2819178001845020417.821195.272621.1-2827.2363.427/2822166001720019024.319721.070002.9-2618.2362.487/291155001605017749.818387.067573.1-2429.8361.607/294146001505016631.117190.465379.5-2193.6360.817/297138001420015646.516138.863385.3-1994.3360.097/2910130001340014642.015144.361611.9-1773.3359.367/2913123001265013764.914203.460029.8-1582.1358.697/2916118001205013027.313396.158704.3-1325.5358.137/2919115001165012471.012749.157655.7-1048.7357.697/2922112001135012003.112237.056788.3-867.35357.337/301111001115011674.211838.656168.2-620.12357.077/304114001125011574.711624.555979.5-188.72356.997/307117001155011620.711597.756065.185.65357.027/3010119001180011721.511671.156257.9192.76357.107/3013122001205011890.211805.956592.5334.58357.257/3016128001250012226.212058.257212.2619.73357.517/3019147001375013138.512682.458898.61686.40358.227/3022152001495013904.613521.560297.71399.08358.817/311158001550014615.114259.861577.41279.67359.347/314160001590015141.514878.362504.6927.21359.747/317158001590015400.215270.862936.4431.84359.927/3110155001565015435.715417.963005.969.49359.957/3113154001545015422.015428.862982.1-23.75359.947/3116154001540015413.815417.962967.2-14.90359.937/3119156001550015482.115448.063094.5127.30359.987/3122159001575015646.515564.363368.3273.73360.108/11161001600015819.815733.263670.9302.62360.238/14163001620016004.815912.363989.8318.87360.368/17164001635016157.116080.964252.1262.32360.478/110166001650016254.316205.764625.4373.34360.548/113168001670016445.116349.765008.7383.27360.688/116169001685016603.116524.165329.4320.69360.798/119171001700016781.216692.165673.7344.34360.928/122173001720016968.416874.866031.9358.16361.058/21174001735017118.117043.266336.4304.50361.168/24174001740017218.617168.366532.3195.94361.238/27173001735017246.917232.766589.657.33361.258/210170001715017159.117203.066417.8-171.82361.198/213167001685016996.617077.866097.5-320.31361.078/216166001665016855.716926.165821.4-276.14360.97说明最高水位出现在7月27日16时到19时之间,下面对此时间段进行调洪演算时间t设计流量平均流量下泄流量平均泄量库容万m3库容变化量水位m7/2716321003215031735.931640.494671.2393.28370.407/271731833.331966.731751.531743.794700.729.46370.417/271831566.731700.031723.731737.694644.1-56.53370.397/2719313003170031590.031662.994358.0-313.22370.32所以由上面的调洪演算可知该方案下大坝校核洪水位为370.41m对应的下泄流量为31751.49m3/s。表1-4P=0.2%时的计算表时间设计流量平均流量下泄流量平均泄量库容万m3库容变化量水位m7/24148804880.0056009.203577/244567052755670.005275.0056009.203577/247620059356200.005935.0056009.203577/2410701066057010.006605.0056009.203577/2413806075358060.007535.0056009.203577/2416892084908920.008490.0056009.203577/2419946091909460.009190.0056009.203577/242210100978010100.09780.0056009.203577/251111001060011100.010600.056009.203577/254121001160011777.711438.856357.3348.13357.157/257138001295012509.212143.457751.41394.10357.737/2510153001455013542.013025.659650.11898.69358.537/2513162001575014542.714042.361440.01789.85359.297/2516164001630015250.214896.562681.71241.77359.817/2519165001645015709.715480.063535.2853.50360.157/2522166001655016020.015864.864161.7626.44360.377/261171001685016400.516210.264917.2755.47360.647/264178001745016893.716647.165896.0978.82361.007/267186001820017499.917196.867084.11188.11361.437/2610197001915018290.717895.368606.11522.00361.987/2613210002035019273.818782.370470.31864.26362.657/2616224002170020417.819845.872611.22140.83363.427/2619240002320021751.721084.775039.32428.14364.307/2622254002470023097.922424.877525.62486.25365.177/271266002600024300.523699.280009.02483.44365.937/274275002705025413.524857.082262.42253.40366.637/277278002765026260.325836.983925.31662.86367.147/2710279002785026833.326546.885077.31152.08367.507/2713277002780027137.826985.585684.6607.22367.697/2716276002765027302.827220.386005.5320.94367.787/2719269002725027159.227231.085725.6-279.94367.707/2722256002625026603.626881.484641.7-1083.9367.367/281240002480025691.526147.682814.8-1826.8366.807/284226002330024614.325152.980639.4-2175.5366.137/287207002165023260.623937.577873.9-2765.5365.277/2810189001980021659.922460.374893.3-2980.7364.247/2813177001830020193.220926.572200.6-2692.6363.277/2816165001710018848.719521.069663.9-2536.6362.367/2819154001595017606.918227.867280.5-2383.4361.507/2822144001490016463.317035.165052.2-2228.3360.697/291135001395015420.615942.062977.9-2074.3359.937/294127001310014385.014902.861158.2-1819.8359.177/297120001235013489.713937.359549.3-1608.9
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