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1
ทรบปากคลอง TYPE PD1
พัฒนาโดย ดร.จักรพงษ์ แต้วิจิตร (dr.chakkrapong taewichit)
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3
ตารางมิติคงที่ห้ามย้ายตาราง
4
แบบ
หมายเลขอาคาร
Q (MAX.) cms
DI m.RD m.BR m.BB m.h1 m.h2 m.แบบฝาท่อออกแบบก่อน
5
PD1_0.10610.1060.300.070.090.600.300.35จ.73/2548-9-41Canal1L-LMCลำดับที่คลองกม.Qชนิดอาคาร
หมายเลขอาคาร
DIจำนวน CollarbuduTLTRbdddHCD
ชนิด Broad Crest Weir
B1
Staff Gage
BABRRDLULTULCLHLBLTDLALDHHUHHDHCAh1h2t1
ร.น.ส.เหนือน้ำ
ร.น.ก.ร.น.ส.
ร.น.ส.ท้ายน้ำ
ร.1ร.2ร.3ร.4ร.5ร.6ร.7ร.8ร.9ร.10ร.11ร.12จำนวนท่อหมายเหตุ
6
PD1_0.18820.1880.400.090.120.700.350.40จ.73/2548-9-42Branching from canalLMC1L-LMC0+959.0000.045PD110.302.001.200.766.00-0.500.270.42M 0.900.300.551.000.090.070.722.0009.5105.7902.7903.003.003.001.100.800.500.300.350.15+140.640+140.629+139.648+139.629+139.880+140.790+139.359+139.779+139.957+139.757+139.247+139.354+139.354+140.857+139.113+139.09611
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PD1_0.29430.2940.500.120.150.800.400.45จ.73/2548-9-43TLat Km.0+959.000
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PD1_0.42440.4240.600.140.180.900.450.50จ.73/2548-9-44TRData ofLMC
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PD1_0.75450.7540.800.190.241.100.550.55จ.73/2548-9-45U/S F.S.L.m. (msl.)F.S.L.1+140.640
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PD1_1.17861.1781.000.230.301.300.650.75จ.73/2548-9-46Retention water levelm. (msl.)R.W.L.+140.629
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Bed elevationm. (msl.)EL.1+139.880
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Berm elevationm. (msl.)EL.2+140.790
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Bed widthm.bu1.20
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ตารางมิติของ BROAD CREST WEIRDepth of flowm.du0.76
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IDB1แบบSL1LHeight of conc. Liningm.HCU0.91
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M 0.90 B1:0.30,S:0.2,L1:0.6,L:0.60.30M 0.900.2000.6000.600Height of bankm.HbU1.21
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M 0.90 B1:0.30,S:0.3,L1:0.9,L:0.70.30M 0.900.3000.9000.700Width of bermm.bm1.00
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M 1.50 B1:0.30,S:0.4,L1:1.2,L:0.80.30M 1.500.4001.2000.800place left or right bank?m.TL,TR?TL
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M 1.20 B1:0.60,S:0.2,L1:0.6,L:0.70.60M 1.200.2000.6000.700Width of right bankm.TR6.00
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M 1.50 B1:0.60,S:0.3,L1:0.9,L:1.10.60M 1.500.3000.9001.100ระดับหลังคัน+141.090
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M 1.75 B1:0.60,S:0.383,L1:1.15,L:1.10.60M 1.750.3831.1501.100ลาดหลังคันคลองหลักs%2.0
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M 2.00 B1:0.60,S:0.467,L1:1.4,L:10.60M 2.000.4671.4001.000Data of1L-LMC
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M 1.75 B1:0.80,S:0.317,L1:0.95,L:1.20.80M 1.750.3170.9501.200กด E10 ลงจากระดับหลังคัน0.233
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M 2.00 B1:0.80,S:0.4,L1:1.2,L:1.40.80M 2.000.4001.2001.400Top of bank elevationm. (msl.)EL.10 ต่ำลงจากระดับหลังคัน+140.857
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M 2.00 B1:2.00,S:0.333,L1:1,L:1.42.00M 2.000.3331.0001.400check EL.10>EL.2?OK :0.07
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R.W.L.-F.S.L. 3m.Designed head1.00
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ตารางแสดงความสัมพันธ์ระหว่างปริมาณน้ำและความสูงของน้ำเหนือสันฝาย
m. (msl.)F.S.L.3+139.629
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IDQ cmsTYPEB2Y1 m.X m.
ค่า ref for interpolation
Bed elevation ของคลองซอยm. (msl.)EL.3+139.359
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Q:0.020 M 0.90,B2:0.9,Y1:0.054,X:10.020M 0.900.900.0541.002Berm elevation ของคลองซอยm. (msl.)EL.4+139.779
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Q:0.025 M 0.90,B2:0.9,Y1:0.062,X:10.025M 0.900.900.0621.003Bed widthm.bd0.50
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Q:0.030 M 0.90,B2:0.9,Y1:0.069,X:10.030M 0.900.900.0691.004Depth of flowm.dd0.27
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Q:0.040 M 0.90,B2:0.9,Y1:0.082,X:10.040M 0.900.900.0821.005Height of conc. Liningm.HCD0.42
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Q:0.050 M 0.90,B2:0.9,Y1:0.094,X:10.050M 0.900.900.0941.006Bed slopeL.S.6000
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Q:0.060 M 0.90,B2:0.9,Y1:0.105,X:10.060M 0.900.900.1051.007N.G.L.+139.600
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Q:0.075 M 0.90,B2:0.9,Y1:0.119,X:10.075M 0.900.900.1191.008ออกแบบขนาดท่อ
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Q:0.100 M 0.90,B2:0.9,Y1:0.14,X:10.100M 0.900.900.1401.009cms.Q(reqired)0.045
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Q:0.125 M 0.90,B2:0.9,Y1:0.16,X:10.125M 0.900.900.1601.0010design factor1.10
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Q:0.150 M 0.90,B2:0.9,Y1:0.177,X:10.150M 0.900.900.1771.0011cms.Q(design)0.050
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Q:0.175 M 0.90,B2:0.9,Y1:0.193,X:10.175M 0.900.900.1931.0012m.head regulator typePD1_0.106
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Q:0.200 M 0.90,B2:0.9,Y1:0.208,X:10.200M 0.900.900.2081.0013max Q0.950
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Q:0.225 M 0.90,B2:0.9,Y1:0.222,X:10.225M 0.900.900.2221.0014check maxQOK
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Q:0.250 M 0.90,B2:0.9,Y1:0.235,X:10.250M 0.900.900.2351.0015dia. Culvert D0.30
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Q:0.275 M 0.90,B2:0.9,Y1:0.248,X:10.275M 0.900.900.2481.0016Cp0.30
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Q:0.300 M 0.90,B2:0.9,Y1:0.259,X:10.300M 0.900.900.2591.0017หมายเลขอาคาร1
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Q:0.325 M 0.90,B2:0.9,Y1:0.271,X:10.325M 0.900.900.2711.0018sq.m.A0.071
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Q:0.350 M 0.90,B2:0.9,Y1:0.282,X:10.350M 0.900.900.2821.0019m.P0.942
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Q:0.375 M 0.90,B2:0.9,Y1:0.292,X:10.375M 0.900.900.2921.0020m.R0.075
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Q:0.400 M 0.90,B2:0.9,Y1:0.303,X:10.400M 0.900.900.3031.0021nท่อ0.014
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Q:0.450 M 0.90,B2:0.9,Y1:0.322,X:10.450M 0.900.900.3221.0022velocity < 1.5m/svp0.700
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Q:0.040 M 1.20,B2:1.2,Y1:0.071,X:1.30.040M 1.201.200.0711.3023m/scheck vpOK
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Q:0.050 M 1.20,B2:1.2,Y1:0.081,X:1.30.050M 1.201.200.0811.3024m.hvp0.025
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Q:0.060 M 1.20,B2:1.2,Y1:0.09,X:1.30.060M 1.201.200.0901.3025Friction slopeSf0.00304
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Q:0.080 M 1.20,B2:1.2,Y1:0.108,X:1.30.080M 1.201.200.1081.3026ออกแบบ inlet transition
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Q:0.100 M 1.20,B2:1.2,Y1:0.122,X:1.30.100M 1.201.200.1221.3027H=[Q/(Cd.L)]^(2/3)m.H(weir)0.094
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Q:0.130 M 1.20,B2:1.2,Y1:0.143,X:1.30.130M 1.201.200.1431.3028submergence = 1.78hvp+0.08m.sm0.124
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Q:0.160 M 1.20,B2:1.2,Y1:0.162,X:1.30.160M 1.201.200.1621.3029ระดับสันฝายไม่ต่ำกว่า EL.1m. (msl.)EL.5 ต้องไม่ต่ำกว่านี้+139.880
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Q:0.190 M 1.20,B2:1.2,Y1:0.179,X:1.30.190M 1.201.200.1791.3030EL.5 ไม่สูงกว่านี้m. (msl.)EL.5 ต้องไม่สูงกว่านี้+140.535
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Q:0.220 M 1.20,B2:1.2,Y1:0.195,X:1.30.220M 1.201.200.1951.3031ระดับสันฝายm. (msl.)used EL.5+139.957
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Q:0.250 M 1.20,B2:1.2,Y1:0.21,X:1.30.250M 1.201.200.2101.3032recheck EL.5OK
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Q:0.280 M 1.20,B2:1.2,Y1:0.224,X:1.30.280M 1.201.200.2241.30330.5bu+1.5(EL.5-EL.1)m.LU0.72
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Q:0.310 M 1.20,B2:1.2,Y1:0.238,X:1.30.310M 1.201.200.2381.30340.75+(EL.2-EL.5)*1.5LTU2.000
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Q:0.340 M 1.20,B2:1.2,Y1:0.25,X:1.30.340M 1.201.200.2501.3035
To find critical depth at the pipe entrance, dc
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Q:0.370 M 1.20,B2:1.2,Y1:0.262,X:1.30.370M 1.201.200.2621.3036critical depth at entrance of pipem.dc(try)0.17174
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Q:0.400 M 1.20,B2:1.2,Y1:0.274,X:1.30.400M 1.201.200.2741.3037rad.q13.432
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Q:0.430 M 1.20,B2:1.2,Y1:0.285,X:1.30.430M 1.201.200.2851.3038partial areasq.m.Ac0.042
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Q:0.460 M 1.20,B2:1.2,Y1:0.296,X:1.30.460M 1.201.200.2961.3039width of water surfacem.Tc0.297
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Q:0.500 M 1.20,B2:1.2,Y1:0.31,X:1.30.500M 1.201.200.3101.3040crictical velocitym/sVc1.183
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Q:0.550 M 1.20,B2:1.2,Y1:0.326,X:1.30.550M 1.201.200.3261.3041wetted parameter r*seta1m.Pc0.515
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Q:0.600 M 1.20,B2:1.2,Y1:0.342,X:1.30.600M 1.201.200.3421.3042hydraulic radius Ac/PcRc0.081
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Q:0.700 M 1.20,B2:1.2,Y1:0.372,X:1.30.700M 1.201.200.3721.3043Ac^3/Tc0.0002468
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Q:0.050 M 1.50,B2:1.5,Y1:0.072,X:1.50.050M 1.501.500.0721.5044Q^2/g0.0002498
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Q:0.100 M 1.50,B2:1.5,Y1:0.11,X:1.50.100M 1.501.500.1101.5045check Ac^3/Tc = Q^2/g ?L.H.S. = R.H.S.OK
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Q:0.150 M 1.50,B2:1.5,Y1:0.141,X:1.50.150M 1.501.500.1411.5046ระดับพื้น inlet transition (R.W.L.-[1.5Vc^2/2g+dc+0.15])m. (msl.)EL.6 กดลงไม่น้อยกว่า+140.200
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Q:0.200 M 1.50,B2:1.5,Y1:0.167,X:1.50.200M 1.501.500.1671.5047EL.6 ควรต่ำกว่า EL.5 และ ลาดไม่ชันกว่า 1:4m. (msl.)used EL.6+139.757
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Q:0.250 M 1.50,B2:1.5,Y1:0.191,X:1.50.250M 1.501.500.1911.5048check EL.6OK
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Q:0.300 M 1.50,B2:1.5,Y1:0.212,X:1.50.300M 1.501.500.2121.5049(LTU-1)/(EL.5-EL.6)slope 1:5.00
#DIV/0! คือ ระดับEL.5 EL.6 เท่ากัน
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Q:0.350 M 1.50,B2:1.5,Y1:0.231,X:1.50.350M 1.501.500.2311.5050ไม่ชันกว่า 1:4check slopeOK
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Q:0.400 M 1.50,B2:1.5,Y1:0.25,X:1.50.400M 1.501.500.2501.5051D+0.3 หรืออ่านจากตารางm.BB0.60
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Q:0.450 M 1.50,B2:1.5,Y1:0.267,X:1.50.450M 1.501.500.2671.5052มุมผาย max 22.5 องศาm.BA มากสุด2.256
80
Q:0.500 M 1.50,B2:1.5,Y1:0.283,X:1.50.500M 1.501.500.2831.5053m.used BA1.00
ใช้ค่าน้อยกว่าคำนวณได้ H(weir) จะเพิ่ม
81
Q:0.550 M 1.50,B2:1.5,Y1:0.298,X:1.50.550M 1.501.500.2981.5054check BAOK
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Q:0.600 M 1.50,B2:1.5,Y1:0.313,X:1.50.600M 1.501.500.3131.5055EL.10-EL.6 (HHU ตามมาตรฐานไม่เกิน 1.5)m.HHU1.100
ปรับระดับ EL.10
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Q:0.700 M 1.50,B2:1.5,Y1:0.341,X:1.50.700M 1.501.500.3411.5056ความหนาพื้น inlet transitionm.t10.150
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Q:0.800 M 1.50,B2:1.5,Y1:0.366,X:1.50.800M 1.501.500.3661.5057m.h1 แนะนำ table0.300
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Q:0.900 M 1.50,B2:1.5,Y1:0.39,X:1.50.900M 1.501.500.3901.5058m.h2 แนะนำ table0.350
86
Q:1.000 M 1.50,B2:1.5,Y1:0.413,X:1.51.000M 1.501.500.4131.5059m.h1,h2 แนะนำกรมชล0.600
87
Q:1.100 M 1.50,B2:1.5,Y1:0.434,X:1.51.100M 1.501.500.4341.5060ความลึก cutoff ด้านU/S ตัวแรกm.h10.300
<-ใข้ตามที่คำนวณ
88
Q:1.200 M 1.50,B2:1.5,Y1:0.455,X:1.51.200M 1.501.500.4551.5061ความลึก cutoff ด้านหน้าตัวที่สองm.h20.350
<-ใข้ตามที่คำนวณ
89
Q:1.300 M 1.50,B2:1.5,Y1:0.475,X:1.51.300M 1.501.500.4751.5062ออกแบบฝายวัดน้ำ
90
Q:1.400 M 1.50,B2:1.5,Y1:0.493,X:1.51.400M 1.501.500.4931.5063เลือกชนิด M xxBroadcrest weir typeM 0.90 B1:0.30,S:0.2,L1:0.6,L:0.6
91
Q:1.500 M 1.50,B2:1.5,Y1:0.511,X:1.51.500M 1.501.500.5111.5064Broadcrest weir typeM 0.90
92
Q:0.050 M 1.75,B2:1.75,Y1:0.066,X:1.60.050M 1.751.750.0661.6065m.B10.300
93
Q:0.100 M 1.75,B2:1.75,Y1:0.102,X:1.60.100M 1.751.750.1021.6066m.S0.200
94
Q:0.150 M 1.75,B2:1.75,Y1:0.13,X:1.60.150M 1.751.750.1301.6067m.L0.600
95
Q:0.200 M 1.75,B2:1.75,Y1:0.155,X:1.60.200M 1.751.750.1551.6068m.L10.600
96
Q:0.250 M 1.75,B2:1.75,Y1:0.177,X:1.60.250M 1.751.750.1771.6069ดู broad crested weir ที่เลือก M xx และ Q(design)ความสัมพันธ์ระดับน้ำQ:0.050 M 0.90,B2:0.9,Y1:0.094,X:1
97
Q:0.300 M 1.75,B2:1.75,Y1:0.197,X:1.60.300M 1.751.750.1971.6070S+Y1m.B20.900
98
Q:0.350 M 1.75,B2:1.75,Y1:0.216,X:1.60.350M 1.751.750.2161.6071m.X1.000
99
Q:0.400 M 1.75,B2:1.75,Y1:0.233,X:1.60.400M 1.751.750.2331.6072ref.6.000
100
Q:0.450 M 1.75,B2:1.75,Y1:0.25,X:1.60.450M 1.751.750.2501.6073Qdesign0.050