1、5.04.04.081215.7.05.03.081315.05.03.071414.4.05.02.071500.040.041600.040.041700.030.031800.030.031900.020.022000.020.022100.020.022200.020.022300.010.012400.010.012500.010.012600.010.012700.010.012800.010.012900.010.013000.010.01 Qmax=3.13/ Tm=1h12h SUM FLOODVOLUME=1.4E424h SUM FLOODVOLUME=1.6 E448h
2、 SUM FLOODVOLUME=1.6E4TIME SECTIOM DT=1Hour罗只碑村委会乡倮倮冲引水区(山阱)设计洪水过程线洪水频率 P(%)=10%单位:3/时段(小时)洪水过程稳渗净雨下层Q上层Q洪水过程 Q000.020.0211.27486.6.0511.8611.9121.2751.081.541.6131.2711.9.1.33.4341.2711.8.12.3.4251.279.9.14.25.3961.278.3.16.21.3771.278.1.17.2.3881.276.9.19.17.3691.275.7.2.14.35101.274.7.21.12.33111
3、.273.8.22.1.32121.273.23.08.31131.272.3.24.06.3141.271.7.25.04.291500.220.221600.20.21700.180.181800.160.161900.150.152000.130.132100.120.122200.110.112300.10.12400.090.092500.080.082600.070.072700.060.062800.060.062900.050.053000.050.053100.040.043200.040.043300.030.033400.030.033500.030.033600.020
4、.023700.020.023800.020.023900.020.024000.020.024100.010.014200.010.014300.010.014400.010.014500.010.014600.010.014700.010.014800.010.014900.010.015000.010.01Qmax=11.93/ Tm=1h12h SUM FLOODVOLUME=6.2 E424h SUM FLOODVOLUME=6.9E448 h SUM FLOODVOLUME=7.2, E4TIME SECTIOM DT=1 Hour罗只碑村委会乡倮倮冲引水区(山阱)校核洪水过程线洪
5、水频率 P(%)=5%单位:3/时段(小时)洪水过程稳渗净雨下层Q上层Q洪水过程 Q000.020.0211.27583.2.0514.2214.2721.2758.6.081.781.8631.2714.8.1.41.541.2714.3.12.36.4851.2712.2.14.31.4561.2710.5.16.26.4271.2710.4.17.26.4381.278.9.19.22.4191.277.6.2.19.39101.276.4.21.16.38111.275.5.22.14.36121.274.6.23.12.35131.273.8.24.1.34141.273.1.25.
6、08.331500.220.231600.20.21700.180.181800.160.161900.150.152000.130.132100.120.122200.110.112300.10.12400.090.092500.080.082600.070.072700.060.062800.060.062900.050.053000.050.053100.040.043200.040.043300.030.033400.030.033500.030.033600.020.023700.020.023800.020.023900.020.024000.020.024100.010.0142
7、00.010.014300.010.014400.010.014500.010.014600.010.014700.010.014800.010.014900.010.015000.010.01Qmax=14.33/ Tm=1h12h SUM FLOODVOLUME=7.4 E424h SUM FLOODVOLUME=8.1 E448h SUM FLOODVOLUME=8.3 E4TIME SECTIOM DT=1Hour3、工程地质3.1区域地质3.1.1地形地貌工程区处于云南高原和横断山脉交接地区,红河、澜沧江两大水系分水岭地带,总体地势北高南低,海拔高程2861.01580.0m。小坝塘位置在地貌上处于高山斜坡中部较平坦台地 上,地形坡度较陡,一般坡度2030,冲沟、坳沟较发育。小坝塘高出谷底约200m,建坝高程1950m。3.1.2地层岩性区内出露地层主要三迭系地层及第四系残坡积层,其岩性特征如下:三迭系(T)三迭系在区内出露地层分为中统及上统:中统为流纹岩、中酸性熔岩、凝灰岩夹安山岩、片岩、变质砂岩,底部为片岩、砂岩,在区域内少有出露;上统东部为云南驿组、罗家大山组、白家大山组、白土田组,西部分