目录第一章（空） (2)第二章枢纽布置、挡水及泄水建筑物 (2)第三章水能规划 (14)第四章水电站引水建筑物 (20)第五章水电站厂房 (32)第六章专题机墩结构动力计算 (35)第一章 （空）第二章 枢纽布置、挡水及泄水建筑物2．2挡水及泄水建筑物2.2.1坝高的确定2.2.1.1 设计状况2h l =0.0166×（1.5×16）5/4×61/3=1.6m2L l =10.4×1.60.8=15.15mm L H cth L h ho L L L 53.0115.156.124212=⨯⨯==πππ m h 83.27.053.06.1=++=∆设 校核状况2h l =0.0166×165/4×61/3=0.9653m2L l =10.4×0.96530.8=10.11mm L H cth L h ho L L L 29.0111.109653.024212=⨯⨯==πππ m h 76.17.029.09653.0=++=∆校 2.2.1.2 坝顶高程m h H h H 76.24176.24176.124083.24083.2238max =⎭⎬⎫⎩⎨⎧=+=∆+=+=∆+=校校设设坝顶高程取坝顶防浪墙高为1.2m ，则坝顶高程为241.76-1.2=240.56m2.2.2 挡水建筑物2.2.2.1基本剖面应力条件 m HB c 22.813.081.924119101=-=-=αγγ 稳定条件 m f KHB c 68.893.0081.92468.011910.1)(102=⎪⎭⎫ ⎝⎛-+⨯⨯=-+=αλγγ 坝底宽度 m B B B 68.8968.8922.81max max 21=⎭⎬⎫⎩⎨⎧=⎭⎬⎫⎩⎨⎧= 取89.7m 2.2.2.2实用剖面坝顶宽度(8%~10%)H=(0.08~0.1)×127.56=10.2～12.756m取坝顶宽为12米。
2.2.2.3坝基面稳定及应力计算设计状况 G=1.0×24×[0.5×9×60+12×127.56+0.5×103×77.7]=139254.48kN力臂L=36.58m弯矩M=139254.48×(49.35-36.58)=1778279.71kN.m水压力 p xu =21×9.81×1×1252=76640.625kN 力臂L=41.67m弯矩M=76640.625×41.67=3193614.84kN.mp yu =9.81×1×(9×125-0.5×9×60)=8387.55kNL=4.97mM=83857.55×(49.35-4.97)=372239.47kN.mP xd =21pgH 2=21×9.81×1×19.12=2163.105kN L=7mM=2163.105×7=15141.735kN.mP yd =9.81×1×21×15.75×0.5=1622.33kNL=93.45mM=1622.33×(93.45-49.35)=71544.753kN.m扬压力图坝基截面扬压力计算简图25.122612581.910=⨯=H γ01.2062181.920=⨯=H γ525.245.281.90=⨯=k γ725.12015.12281.90=⨯=H γ52.360725.12013.00=⨯=H αγu1=98.7×24.525=2420.6kNu2=360.52×16=5768.32kNu3=0.5×15×360.52=2703.9kNu4=0.5×16×(1226.25-24.525-360.52)=6729.64knu5=0.5×15×(206.01-24.525)=1361.14kNU=u1+u2+u3+u4+u5=18983.6kNL=20.3mM=18983.6×(49.35-20.3)=551473.58kN.m浪压力 ()()kNL L h h L P L L L L 968.942575.781.92575.753.06.1575.781.92.12222.1220010=⎥⎦⎤⎢⎣⎡⨯-⨯++⨯⨯=⎥⎦⎤⎢⎣⎡-++⨯=γγ L=123.186mM=94.968×123.186=11698.73kN.m稳定()()m kN Q G S K K Q K G /25.77928105.2163968.94625.7664095.01.1,,0=-+⨯⨯=αγγψγ()[]m kN f R K m K d /82.12987017.98104.06.189832.133.162255.838748.13925492.02.11,13=⨯⨯⨯+⨯-++⨯=⎪⎪⎭⎫ ⎝⎛αγγ 满足要求。
应力y σ=B w ∑±26B M ∑ =7.986.1898333.162255.838748.139254-++± 27.9873.1169858.551473753.71544735.15141469.372239844.319361471.17782796）（---++-⨯=1319.97±(-1024.05)=2.344 Mpa or 0.295 Mpa 满足要求。
校核状况G=1.0×24×[0.5×9×60+12×127.56+0.5×103×77.7]=139254.48kN力臂L=36.58m弯矩M=139254.48×(49.35-36.58)=1778279.71kN.m水压力 p xu =21×9.81×1×1272=79112.745kN 力臂L=42.33m弯矩M=79112.745×42.33=3348842.496kN.mp yu =9.81×1×(9×67+0.5×9×60)=8564.13kNL=4.96mM=8564.13×(49.35-4.96)=380161.73kN.mP xd =21pgH 2=21×9.81×1×23.32=2662.88kN L=7.77mM=2662.88×7.77=20690.5776kN.mP yd =0.5×9.81×23.3×17.475=1997.16kNL=92.875mM=1997.16×(92.875-49.35)=71544.753kN.m 扬压力 87.124512781.910=⨯=H γ573.2283.2381.920=⨯=H γ525.245.281.90=⨯=k γ345.12215.12481.90=⨯=H γ4.366345.12213.00=⨯=H αγu1=98.7×24.525=2420.6kNu2=366.4×16=5862.4kNu3=0.5×15×366.4=2748kNu4=0.5×16×(1245.87-24.525-366.4)=6839.56knu5=0.5×15×(228.573-24.525)=1530.34kNU=u1+u2+u3+u4+u5=19400.9kNL=20.79mM=19400.9×(49.35-20.79)=554089.7kN.m浪压力 ()()kNL L h h L P L L L L 35.372055.581.92055.529.09653.0055.581.92.12222.1220010=⎥⎦⎤⎢⎣⎡⨯-⨯++⨯⨯=⎥⎦⎤⎢⎣⎡-++⨯=γγ L=129.12mM=37.35×129.12=4822.632kN.m稳定()()mkN Q G S K K Q K G /55.7151588.266235.37745.7911285.01.1,,0=-+⨯⨯=αγγψγ()[]m kN f R K m K d /93.12990917.98104.09.194002.116.199713.856448.13925492.02.11,13=⨯⨯⨯+⨯-++⨯=⎪⎪⎭⎫ ⎝⎛αγγ 满足要求。
应力y σ=B w ∑±26BM ∑ =7.989.1940016.199713.856448.139254-++± 27.98632.48227.554089389.869265776.2069073.380161496.334884271.17782796）（---++-⨯=1321.33±(-1118.21)=2.439 Mpa or 0.203 Mpa 满足要求。