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0.9810.35闸室长度7.00闸室宽度13.200实体为正向下为正下游为正顺时针为正向下游为正底板上为正顺时针为正闸墩35.0025.00875.002.01750.000.000.001.5091.883.30303.19闸门槽-0.5025.00-12.502.0-25.00-1.70042.501.50-1.313.30-4.33上游圆头1.2625.0031.382.062.75-2.270-142.431.503.293.3010.87闸墩28.0025.00700.002.01400.000.0000.001.5073.503.30242.55闸门槽-0.5025.00-12.504.0-50.00-1.70085.001.50-2.633.30-8.66Ⅰ4.5019.0085.502.0171.00-1.500-256.50Ⅱ6.7219.00127.682.0255.362.000510.7240.003.0120.00-1.700-204.001.456.093.0518.57闸底板73.9225.001848.001.01848.000.0000.001.0064.680.4025.87齿墙4.9525.00123.752.00247.500.000.001.008.66-0.25-2.17立柱0.7525.0018.808.0150.40-1.700-255.682.8214.878.15121.18横梁0.2225.005.604.022.40-1.700-38.082.822.218.1518.05顶梁0.6025.0015.004.060.00-1.700-102.003.797.9610.9086.74面板3.5425.0088.501.088.50-1.700-150.453.9812.3411.45141.24纵梁3.1925.0079.651.079.65-1.700-135.413.9110.9111.25122.70端梁0.1325.003.156.018.90-1.700-32.133.912.5911.2529.1135.400.258.851.08.85-1.700-15.054.001.2411.5014.25排架水平地震加速度αh地震作用效应折减系数ζ上部结构中墩水平惯性力代表值Fi自重荷载质点动态分布系数αi数量顺水流向力臂(m)总重(kN)力矩kN.m部位容重kN/m3单重(kN)力矩kN.m边墩后土重闸室部分体积(m3)顺水流向力臂(m)边墩闸室稳定计算表(施工完建期)——自重、地震闸门机架桥底板人群荷载5.503.016.50-1.700-28.054.002.3111.5026.57430.001.0430.00-1.700-731.004.0060.2011.50692.301.4225.0035.402.070.801.500106.201.934.786.0028.670.3625.009.002.018.001.50027.001.951.236.107.486.7925.00169.631.0169.631.500254.441.9911.826.3575.0680.001.080.001.500120.002.005.606.4035.841.8825.0046.972.093.941.500140.912.056.736.8045.737087.18-804.00388.942030.82-0.1169.2428kN/m284.1593kN/m21.22<2.0合计交通桥底梁机房e0=∑M/∑N=注:弯矩为对墩台底面中心取矩防撞护栏启闭机满足要求,《水闸设计规范》P30,SL265-2001二、地基应力:<100.00kN/m2四、地基不均匀系数:η=σmax/σmin=汽车荷载一、偏心距:桥面板端梁(偏向下游正号))Be61(maxminAN=0.981000.00kg/m3闸前水深H04.500.67闸孔净宽B3.000.74kN/m2式中:17.64kN2.30m40.56kN·m闸室稳定计算——动水压力水平向设计地震加速度代表值αh地震作用的效应折减系数ζ水体质量密度标准值ρw合力作用点距边墩底面中心垂直距离y=(底板以上为正)弯矩值∑M=(顺时针为正)水深h=H0处地震动水压力分布系数ψ(h)水深h=H0处的地震动水压力代表值:Pw(h)=αhζψ(h)ρwH0=地震动水压力值P=0.25闸孔数3.00底板厚度0.80中墩厚度d0.80闸室稳定计算——动水压力(底板以上为正)止水深度0.200闸前水深H4.500闸孔孔数3.000底板厚度0.800中墩厚度0.800闸孔净宽B3.000110.450kN/m1170.77kN2.167m2536.67kN·m垂直力臂y=弯矩值∑M=(顺时针为正)(底板以上为正)闸室稳定计算——静水压力P=1/2γH2=静水压力按三角形分布。作用于单位长度上的静水压力:静水压力∑X=(向下游为正)合力作用点距闸底板底面中心垂直距离:闸室稳定计算——静水压力计算风速W25.5004.500闸孔数3.000风区长度D150.0004.500中墩厚度0.800水闸级别Ⅳ10.00%底板厚度0.800其中:0.170m1.831s5.225m目标值=0-0.011hm/Hm=0.038hP/hm=1.6870.287m4.50≥0.304.50≥2.61∑X=46.66kNe=5.300+-2.237/2.950=211.900kN·m临界水深Hk=且闸前水深H=平均半波长Lm/2=合力作用点距闸墩底面中心的垂直距离e:《水闸设计规范》P73图E.0.2-1,SL265-2001浪压力标准值:(向下游为正)4.40kN/m一、波浪计算指标故作用于水闸铅直迎水面上的浪压力标准值:因闸前水深H=设计波高hP计算:(3)平均波长Lm(可变单元格):波浪中心线超出计算水位高度hz:(4)波高hP=查最下侧表表,得:0.050闸室稳定计算——波浪压力《水闸设计规范》P70,SL265-2001《水闸设计规范》P70,SL265-2001平均波高和平均波周期采用莆田试验站公式:平均波长Lm计算公式:5.236m波列累积频率(%)单孔浪压力弯矩值∑M=(顺时针为正)0.152mm使波浪破碎的临界水深Hk:二、波浪压力计算0.300坝迎水面前水深H水域平均水深Hm《水闸设计规范》P71,SL265-2001(2)平均波周期Tm=4.438hm0.5=(1)平均波高hm=)2(2L2mmmLHthgT==(7.02)WgHm=45.02)(WgDpmpmmkhLhLLH22ln4mmpzLHcthLhh22)(41zpmlhhLP}])(7.0[13.0)(0018.0{])(7.0[13.0wgh7.0245.027.022mWgHthWgDthWgHthmm水闸级别12345P(%)125102012510200.002.422.231.951.711.430.102.262.091.871.651.410.202.091.961.761.591.370.301.931.821.661.521.340.401.781.681.561.441.300.501.631.561.461.371.25hp/hm值(水闸设计规范P71SL265-2001)hm/HmP值(水闸设计规范P71SL265-2001)P(%)单孔净宽3.000m4.541m《水闸设计规范》P73图E.0.2-1,SL265-2001《碾压式土石坝设计规范》P48,SL274-201闸室稳定计算——波浪压力1.4440.3587.000闸前水深H4.000底板厚度0.80013.200止水深度0.2009.000,△H=4.500米40.500米1—22—33—44—55—66—77—81.000.400.8512.000.850.800.8545.500米>40.500米0.099序号1234567Lx(米)45.50044.50044.10043.25031.25030.40029.600hx(米)4.5004.4014.3624.2773.0913.0072.927W1=-776.8kNe0=17.769/5.885-P1=94.00kNe1=0.30mP3=-26.11kNe3=0.27m∑X=67.89∑M=394.39闸基防渗长度应满足L=C△H=渗径长度统计表实际设防渗长度L=故满足防渗要求。闸室稳定计算——渗透压力一、渗压水头计算本工程水头较低,故作用于地板上的渗透压力,按直线比例法勃莱假定计算。设允许渗径系数C=底板垂直水流宽度闸室顺水流向长度渗透坡降J=△H/L=渗压水头计算表(2)闸室水平渗压力:二、渗透压力计算(1)闸室垂直渗压力:(向下为正)对底板底面中心水平力臂:点16至点17间水平渗透压力P3:(向下游为正)(向下游为正)对墩台底面中心力臂e1:(底板以上为正)点15至止水间水平渗透压力P1:弯矩值:(顺时针为正)对底板底面中心力臂e3:(正号高于中心点)水平渗压力设计值:(向下游为正)8—99—1010—1111—1212—1313—1414—1515—167.000.850.800.856.000.850.407.008910111213141528.75021.75020.90020.10019.25013.25012.40012.0002.8432.1512.0671.9881.9041.3101.2261.1873.500=-0.480m渗径长度统计表故满足防渗要求。闸室稳定计算——渗透压力渗压水头计算表(偏向下游为正)16—1717-181.004.0001617185.0004.0000.0000.4950.3960.0000.4501.0001.0001.000底板厚度机架桥12.1000.4001.0000.4502.17810.500排架柱0.4005.0008.0000.4507.2007.800机房11.7002.7001.0000.45014.21612.750合计9.378闸室稳定计算——风荷载风压力对边墩底面中心力臂风振系数βz风荷载体型系数μs(一)顺水流方向风压力计算:风荷载计算基本风压值ω0注:风荷载标准值计算公式:《水工建筑物荷载设计规范》)P35,DL5077-1997)风压高度变化系数μz数量风荷载标准值ωk承受风载的建筑物受风宽度受风高度0szzk0.80022.86956.160181.248260.277闸室稳定计算——风荷载弯矩值M风荷载计算《水工建筑物荷载设计规范》)P35,DL5077-1997)7.0013.200.30名称自重荷载水平地震力动水压力静水压力底板上水重波浪压力渗透压力底板浮力风荷载合计水平力388.9417.641170.7746.6667.899.381701.26垂直力7087.18627.75-776.77-739.206198.96力臂-2.750.00力矩-804.002030.8240.562536.67-1726.31211.90394.390.00260.282944.300.47W=bh2/6=107.801.09>1.0594.4009kN/m239.7756kN/m22.37<[η]=2.5六、稳定计算闸基与地基间摩擦系数f闸室顺水流向长度B闸室垂直水流向宽度1.偏心距:(偏向下游正号)e0=∑M/∑N=注:弯矩为对墩台底面中心取矩2.抗滑稳定系数:Kc=f∑G/∑H=满足抗滑要求4.地基不均匀系数:η=σmax/σmin=满足要求,《水闸设计规范》P30,SL265-2001kN/m23.地基应力:<100.00)Be61(WMANmaxminAN==
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