水利工程大作業(yè)

西昌學(xué)院工程技術(shù)學(xué)院實(shí)訓(xùn)報(bào)告課程名稱:水程水文案例分析 專業(yè)班級:10水本2班 姓名:XX學(xué)號：10150300XX 指導(dǎo)教師:陳艷霞2012年11月25日年份年平均流量.8.844.440.843.9.481.548.684.8.2.7年份年平均流量.9.247.146.740.943.2.449.249.167.469.962.8iiKiiXP=*100%P=*100%123456712345678984.881.569.967.451.530.861634-0.1383660.019145158.06451613196643196732.196732.8196864196944.4197040.8197143.9197237.4197381.5197448.6197584.8197646197734.2197837.7197954198058.9198156.2198247.11983110.2198446.7198540.9198643.2198756.4198849.2198949.1199040199267.4199369.9199462.862.894249.249.148.647.146.744.443.943.240.940.87482811ni30(K一1)23.572038151C=i==0.35i(2)、選配理論頻率曲線VSV同頻率P的值,按K=C+1計(jì)算K值，按Q=KQ計(jì)算Q值,計(jì)pPVPPPPP算結(jié)果如下表所示.頻頻率(%)5Q 84.77885 75.4331565.18882561.59432558.53953.32697548.654125 44.5204540.38677538.23007536.07337533.55722530.68162527.08712521.515652.036 0.9475 0.8670.78650.74450.70250.65350.59750.52750.419.961.861.340.770.5740.11-0.15-0.38-0.61-0.73-0.85-0.99-1.15-1.35-1.66KpVSV15150110100908070605040302099.59.899.999.955060799.9870.50.050.1000199.99140130120408090982030022531從上圖可以看出，需要增大C以及Q值,第二次假定Q=53m3/s，SVSV11022.057587.87477.8570.7667.0980.5563.20250.3860.0490.0954.6695-0.160.94450.032-0.390.863545.7655-0.620.78341.499-0.730.744539.4585-0.850.702537.2325-0.980.65734.821-1.130.604532.0385-1.320.53828.514-1.590.443523.5055第二次配線如下圖所示:(Q=53m3/s，C=0.35，C=2.9C)VSVQmsC=0.35,C=1.4VS頻頻率(%)1p5p113.658588.98777.671566.170562.089558.7505 53.371 48.919 44.838 41.12839.458537.603535.7485 33.70831.296528.5142.1445 1.46551.24851.17151.1085 0.923 0.846 0.7760.74450.70950.6745 0.6360.59050.53827 0.71 0.49 0.31 0.02-0.22-0.44-0.64-0.73-0.83-0.93-1.04-1.17-1.32KpQmsCC)VS15014013012011010090807060504030200000010.050.10.51125022030340506070480909899.59.899.999.9599.98799.99Q=Q(C+1)=KQ計(jì)算保證率P=10％的設(shè)計(jì)年徑流量Q,得PVPPP=10%Q＝77。67m3/s;P=50%的設(shè)計(jì)年徑年徑流量Q,P=10%P=50%Q=48.92m3/s；流量P=90%的設(shè)計(jì)年徑Q，Q=33。71P=50%P=90%P=90%和鄰近流域資料比較，分1965.5-1966.41966.5-1967.41967.5-1968.41968.5-1969.41969.5-1970.41970.5-1971.41971.5-1972.41972.5-1973.41973.5-1974.41974.5-1975.41975.5-1976.41976.5-1977.41977.5-1978.41978.5-1979.41979.5-1980.41980.5-1981.41981.5-1982.4青口55104303446440043流量(459438462解:(1)、由于題目所給資料不足,需要對資料進(jìn)行展延,即利用相關(guān)(2)、相關(guān)關(guān)系的建立y=1Yi=499.5n=y=72.541yn-1著性檢驗(yàn)：在=0.01時，據(jù)n=12查表的r=0．7079。因?yàn)閞＞r，aaR=ryR=ry=0.982*==0.846xa=ybx=yryx=499.50.846*543.33=39.84x44ikiikii.5-1966.41966.5.5-1966.41966.5-1967.41967.5-1968.41968.5-1969.41969.5-1970.41970.5-1971.41971.5-1972.41972.5-1973.41973.5-1974.41974.5-1975.41975.5-1976.41976.5-1977.41977.5-1978.41978.5-1979.41979.5-1980.41980.5-1981.41981.5-1982.4674536.4705882497536.4705882628536.4705882725536.4705882396536.4705882596536.4705882459536.4705882577536.4705882560536.4705882514536.4705882438536.4705882377536.4705882462536.4705882508536.4705882564536.4705882543536.470588291209120(4)、設(shè)計(jì)年徑流量計(jì)算ni17C=i=VnVSVSVpp=95%VP(5)、典型年的選擇(飛口站枯水期逐月平均流量表)時時間567891011121234年平均(6)、設(shè)計(jì)年徑流年內(nèi)分配采用同倍比放大法計(jì)算徑流年內(nèi)分配,其放大倍比為:Q393K=p=95%==0.9924典將典型年各月平均流量乘以K值，即得設(shè)計(jì)年各月徑流量，如下表Q所示:(7)、成果的合理性分析多年平均徑流多年平均徑流深1670多年平均流量s3536流域面積2010100離勢系數(shù)C.180.220.21 0.230.250.18名青口高林江巖三廟平山石陽飛口近流域各測站年徑流量統(tǒng)計(jì)參數(shù)進(jìn)行比較,飛V1888年的歷史洪水的洪峰流量為6100m3/s，是1888年至規(guī)劃時 p=0.1%的設(shè)計(jì)洪峰流量(按統(tǒng)一樣本法計(jì)算經(jīng)驗(yàn)頻率,按矩法初估統(tǒng)年份年份年最大流量年份年最大流量年份年最大流量193186019414001950900193255319422880195122001933670194391195238019341400194460019533400193549001945105195419301936210019461230195512101937920194713401956255193815601948360195750019391650194932219582801940512(某水文站洪峰流量經(jīng)驗(yàn)頻率計(jì)算表)mMMPPmmMMPPmPm洪峰流量400(%)54.862142858.334285761.806428565.278571468.750714272.2228571 75.69579.167142882.639285786.111428589.583571493.055714296.527857123456234567896.2521428579.72428571413.1964285716.6685714320.1407142923.6128571427.08530.5571428634.0292857137.5014285740.9735714344.4457142947.9178571451.39288022002100000(2)、根據(jù)題給條件,N＝71，n＝28,a=2，l＝1，根據(jù)公式Njnli1l+1C=11{a(xx)2+Nan(xx)2}VxN1jnljl+1計(jì)算年最大洪峰流量的變差系數(shù)C，得C=0.946VVVSVSppVP算各p的洪峰流量Q。計(jì)算結(jié)果如下表所示。pVSKK2.901462.144661.435161.217581.05676 0.81080.640520.517540.422940.394560.366180.347260.335908 0.328340.324556Q3437.5632540.9291700.3351442.5521252.018960.6115758.8689613.1659501.0866467.4629433.8391411.4232397.9737389.0074384.5242p3.972.01 0.46 0.23 0.06 -0.2-0.38-0.51-0.61-0.64-0.67-0.69-0.702 -0.71-0.714頻率15VS620062005700420037003200270022001700120070020099.56.0899.999.95506047.0008099.987.0002.0000.51.000303.000400.050.199.9947005200909820251-300從第一次配線可知，應(yīng)該增大Q,減小C,第二次配線假定:S SV數(shù)據(jù)如下表所示:QQp63491.42602.2 8.6 493.2447.6.28.04.34p3.89 -0.17-0.37-0.51-0.62-0.66 -0.7-0.73-0.748-0.764-0.769K2.90952.1685 1.25651.08550.83850.64850.5155 .411 .373 .3350.30650.28940.27420.2694515SV62062005700420037003200270022001700120070020099.56.0899.999.9599.987.00002.0000.51.00047.000800.050.199.993.0004700520040909860203050251-300SSV頻率15p3.81.010.540.310.13-0.15-0.35-0.51-0.63-0.68-0.72-0.77-0.795-0.82-0.831K2.90952.1970.85750.66750.51550.40150.3540.3160.26850.244750.2210.21055Q3782.352856.1867.75670.15521.95460.2410.8349.05318.175287.3273.715SV662005700420037003200270022001700120070020099.56.0899.999.9599.987.0002.0000.51.0000.050.199.993.0004700520040909860203050251-300VC=2.4)計(jì)算設(shè)計(jì)洪水。S洪水為典型。如下表所示,試按同頻率放大法球該站p=1％的設(shè)計(jì)洪(某站1969年7月一次典型洪水過程)洪峰流量洪峰流量洪峰流量4.0.006.00.007.20.004.12.006.4.00708.0.005.0.006.8.008.4.005.4.006.11.008.11.005.12.006.20.009.0.005.14.30507.0.009.5.005.15.30807.5.009.13.0099.35.16.30807.16.005.21.007.19.0088.1 Q-T關(guān)系圖Q-T關(guān)系圖250020000000003000000000000000根據(jù)QT關(guān)系圖可知:W=(Q0+Q+Q++Q+Qn)×Δt212n-12i量p(m3／分(億m3)時(億m3)2。55(1)、計(jì)算各時段的放大倍比：Q(2)、把放大倍比按其控制時間相應(yīng)的填入下表(某水文站p=1％設(shè)計(jì)洪水過程線計(jì)算(h(h)放大倍比放大流量修勻流量(m3/s)1.61128.8128.8128.81.61112.7112.7112.71.61/1.88193.2225.61941.88/1.13488.8293.82941.132020.442020.442020.441.132429.52429.52429.51.13/1.282463.42790.427901.132350.42350.423501.131186.51186.51186.51.137917917911.13/1.88531.1883.67071.88627.92627.926101.88522.64522.645101.88402.32402.32402.321.88432.4432.4432.41.884704704701.88306.44306.44306.441.88298.92298.92298.921.88306.44306.4430