Lx=7.5m
Lx?0.72?T1?T2???T2?T1?S1?T1?进口倾斜段阻力系数：ξs=
S2??T2??lnT2T1
1.02??11.98?7.5?0.72?13.75?11.98???0.52?13.75? = =0.59 3) 齿墙垂直段 S1=1.02m T1=11.98m S2=0.5m T2=11.46m
齿墙垂直段阻力系数：ξy1=
211.98?13.75ln11.9813.75
?2lnctg??S?2S????1?2? ?1?1?+lnctg4?T1?4?T2?????? =
?lnctg??1.02??1??4?11.98?+
2?lnctg??0.5??1??4?11.46?
=0.12 4) 泵房底板水平段 S1=S2=0.5m L1=10.2m T=11.46m
泵房底板水平段阻力系数：ξx1=
=5) 齿墙段 S1=0.5m T1=11.46m S2=1.2m T2=13.75m
L1?0.7?S1?S2?T
=0.83
10.2?0.7??0.5?0.5?11.46齿墙垂直段阻力系数：ξy2=
2?2lnctg??S?2S????1?2? ?1?1?+lnctg4?T1?4?T2?????? =
?lnctg??0.5??1??4?11.46?+
2?lnctg??1.2??1??4?13.75?
=0.13 6) 铺盖水平段1 S1=S2=0.3m L1=10m T=13.75m
铺盖水平段1阻力系数：ξx2=
L1?0.7?S1?S2?T
=0.69
=7) 齿墙垂直段1 S1=0.5m T1=13.75m S2=0.3m T2=14.5m
齿墙垂直段1阻力系数：ξy3=
210?0.7??0.3?0.3?13.752?lnctg??S?2S????1?2? ?1?1?+lnctg4?T1?4?T2?????? =
?lnctg??0.5?1???4?11.46?+
2?lnctg??1.2?1???4?13.75?
=0.04 8) 铺盖水平段2 S1=S2=0.3m L1=10m T=14.5m
铺盖水平段2阻力系数：ξx3=
L1?0.7?S1?S2?T
=0.66
=
10?0.7??0.3?0.3?14.59) 齿墙段2 S1=S2=0.3m T1=T2=14.5m
齿墙垂直段2阻力系数：ξy4=
22?lnctg??S?2S????1?2? ?1?1?+lnctg4?T1?4?T2?????? =
?lnctg??0.3??1??4?14.5?+
2?lnctg??0.3??1??4?14.5?
=0.04 10) 铺盖水平段3 S1=S2=0.3m L1=10m T=14.5m
铺盖水平段3阻力系数：ξx4=
L1?0.7?S1?S2?T
=0.66
=11) 齿墙段3 S1=S2=0.3m T1=T2=14.5m
10?0.7??0.3?0.3?14.5S1?2S2????? ??齿墙垂直段3阻力系数：ξy5=lnctg?1??+lnctg?1??4?T1??4?T2??2?? =
2?lnctg??0.3??1??4?14.5?+
2?lnctg??0.3??1??4?14.5?
=0.04 12) 铺盖水平段4 S1=S2=0.3m L1=10m T=14.5m
铺盖水平段3阻力系数：ξx5=
L1?0.7?S1?S2?T
=0.66
=13) 齿墙段4 S1=0.3m T1=14.5m S2=0.5m T2=14m
齿墙垂直段4阻力系数：ξy6=
210?0.7??0.3?0.3?14.52?lnctg??S?2S????1?2? ?1?1?+lnctg4?T1?4?T2?????? =
?lnctg??0.3?1???4?14.5?+
2?lnctg??0.5?1??? 4?14? =0.06 14) 闸室底板水平段 S1=S2=0.5m L1=8m T=14m
闸室底板水平段阻力系数：ξx6=
=15) 齿墙段5 S1=S2=0.3m T1=T2=14m
齿墙垂直段5阻力系数：ξy7=
2lnctgL1?0.7?S1?S2?T =0.52
10?0.7??0.5?0.5?14???2S?2S????1?2? ?1?1?+lnctg4?T1?4?T2?????? =
?lnctg??0.3??1??4?14?+
2?lnctg??0.3??1??4?14?
=0.04 16) 消力池底板水平段
S1= S2=0.5m T1=14m T2=13.2m L3=13m
Lx?0.72?T1?T2???T2?T1?S1?T1?消力池底板水平段阻力系数：ξs=
S2??T2??lnT2T1
13?0.72?14 = =0.95 17) 齿墙垂直段6 S=0.5m T=12.7m
齿墙垂直段6阻力系数：ξy8=
0.5??0.5?13.2????13.2??1413.2?14ln13.214
S??? lnctg1???4?T??2?? =
2?lnctg??0.5??1?? 4?12.7? =0.04 18) 齿墙水平段 S1= S2=0m L3=0.5m T=12.7m
齿墙水平段阻力系数：ξx7=L3/T=0.5/12.7=0.04 19) 出口段 S=0.5m T=12.7m