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Figure 16
Comparison between numerical and piezometric pore-water surface resulting from transient analysis_
| Reservoir | 156.87 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Level(m) | ||||||||||||
| Time | 3 DAY | 3 DAY | 3 DAY | 3 DAY | 38 DAY | |||||||
| steps | dt = 3600s | dt = 4800 s | dt = 5400s | dt = 7200s | dt = 4800s | |||||||
| Ins. No. | Measured pore-water surface | Calculated pore-water surface | Fault (%) | Calculated pore-water surface | Fault (%) | Calculated pore-water surface | Fault (%) | Calculated pore-water surface | Fault (%) | Real pore-water surface | Calculated pore-water surface | Fault (%) |
| EP 4-1 | 143.28 | 191.94 | -33.96 | 190.61 | -33.03 | 189.29 | -32.11 | 186.88 | -30.43 | 144.69 | 189.35 | -30.87 |
| EP 4-2 | 166.42 | 192.32 | -15.56 | 191.36 | -14.99 | 190.44 | -14.43 | 188.55 | -13.29 | 166.51 | 190.43 | -14.36 |
| EP 4-3 | 182.16 | 192.01 | -5.41 | 191.63 | -5.20 | 191.23 | -4.98 | 190.31 | -4.47 | 182.22 | 191.21 | -4.94 |
| EP 4-4 | 172.85 | 177.25 | -2.55 | 177.01 | -2.40 | 176.74 | -2.25 | 176.09 | -1.88 | 171.81 | 176.71 | -2.85 |
| EP 4-5 | 172.45 | 173.27 | -0.47 | 173.07 | -0.36 | 172.86 | -0.23 | 172.31 | 0.08 | 172.89 | 172.83 | 0.03 |
| EP 4-6 | 155.23 | 165.06 | -6.34 | 164.85 | -6.20 | 164.62 | -6.05 | 164.05 | -5.68 | 154.18 | 164.59 | -6.76 |
| EP 4-7 | 183.65 | 161.21 | 12.22 | 160.99 | 12.34 | 160.76 | 12.47 | 160.19 | 12.77 | 182.01 | 160.73 | 11.69 |
| EP 4-11 | 219.09 | 193.36 | 11.75 | 193.01 | 11.90 | 192.31 | 12.22 | 191.63 | 12.54 | 187.24 | 192.64 | -2.89 |
| EP 4-12 | 199.10 | 186.20 | 6.48 | 186.16 | 6.50 | 186.06 | 6.55 | 185.99 | 6.59 | 198.99 | 186.12 | 6.47 |
| EP 4-13 | 199.69 | 176.65 | 11.53 | 176.65 | 11.54 | 176.64 | 11.54 | 176.62 | 11.55 | 199.76 | 176.64 | 11.57 |
| EP 4-15 | 185.01 | 197.03 | -6.50 | 196.57 | -6.25 | 195.26 | -5.54 | 194.29 | -5.01 | 185.03 | 196.09 | -5.97 |
| EP 4-16 | 196.04 | 196.31 | -0.14 | 196.15 | -0.05 | 195.47 | 0.29 | 195.39 | 0.33 | 195.71 | 195.98 | -0.14 |
| EP 4-17 | 190.37 | 194.40 | -2.12 | 194.35 | -2.09 | 194.18 | -2.00 | 194.14 | -1.98 | 191.09 | 194.30 | -1.68 |
| EP 4-19 | 189.73 | 180.00 | 5.13 | 180.01 | 5.13 | 180.01 | 5.12 | 180.04 | 5.11 | 191.43 | 180.01 | 5.97 |
| RP 4-2 | 123.36 | 137.84 | -11.74 | 137.00 | -11.06 | 136.22 | -10.43 | 134.81 | -9.28 | 124.07 | 136.25 | -9.82 |
| RP 4-3 | 149.93 | 189.91 | -26.67 | 188.35 | -25.63 | 186.84 | -24.62 | 184.18 | -22.85 | 151.32 | 186.93 | -23.54 |
| SP 4-1 | 140.88 | 193.04 | -37.02 | 191.77 | -36.13 | 190.49 | -35.22 | 187.97 | -33.43 | 144.30 | 190.50 | -32.02 |
| SP 4-2 | 149.80 | 192.43 | -28.46 | 191.16 | -27.61 | 189.90 | -26.77 | 187.52 | -25.18 | 151.47 | 189.94 | -25.40 |
| SP 4-3 | 195.17 | 185.44 | 4.99 | 185.37 | 5.02 | 185.28 | 5.07 | 185.09 | 5.17 | 194.98 | 185.29 | 4.97 |
| SP 4-5 | 185.62 | 191.82 | -3.34 | 191.63 | -3.24 | 191.23 | -3.02 | 190.86 | -2.82 | 184.50 | 191.42 | -3.75 |
| SP 4-6 | 202.01 | 193.58 | 4.17 | 179.63 | 11.08 | 179.60 | 11.09 | 179.54 | 11.12 | 202.08 | 179.60 | 11.12 |
Drilling mud properties of the cutoff wall of Karkheh Dam
| PH | Bentonite Cake (mm) | Gel Resistance after 10 Minutes (g/cm3) | Filtration Losses (cm3) | Density (g/cm3) | Marsh Funnel Viscosity (s) |
|---|---|---|---|---|---|
| 7~10 | <3 | 60~75 | <30 | 1.04~1.10 | 32~50 |
Mix proportion design of a cubic meter of plastic concrete of the Karkheh Dam cutoff wall_
| 4.02 | |
| 2.30 | |
| Slump mm | 180~190 |
| sand 0~5 kg | 780 |
| gravel 0~9.5 kg | 294 |
| gravel 9.5~19 kg | 555 |
| 1.425 | |
| Bentonite kg | 25 |
| cement kg | 200 |
Comparison between numerical and piezometric pore-water surface resulted from steady-state analysis_
| Reservoir Level(m) | 175.49 | 193.56 | 201.00 | 210.37 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Instrument No. | Measured pore-water surface | Calculated pore-water surface | Fault (%) | Measured pore-water surface | Calculated pore-water surface | Fault (%) | Measured pore-water surface | Calculated pore-water surface | Fault (%) | Measured pore-water surface | Calculated pore-water surface | Fault (%) |
| EP4-1 | 163.27 | 185.62 | -13.69 | 167.77 | 192.88 | -14.97 | 172.18 | 196.14 | -13.91 | 177.31 | 200.37 | -13.00 |
| EP4-2 | 179.00 | 184.93 | -3.32 | 202.78 | 191.67 | 5.48 | 202.55 | 194.71 | 3.87 | 201.93 | 198.67 | 1.62 |
| EP4-3 | 194.73 | 183.51 | 5.76 | 195.18 | 189.07 | 3.13 | 199.40 | 191.56 | 3.93 | 203.15 | 194.79 | 4.12 |
| EP4-4 | 181.56 | 171.64 | 5.46 | 182.33 | 175.50 | 3.74 | 185.83 | 177.24 | 4.62 | 189.36 | 179.50 | 5.21 |
| EP4-5 | 184.16 | 168.80 | 8.34 | 195.53 | 172.01 | 12.03 | 201.77 | 173.46 | 14.03 | 209.26 | 175.34 | 16.21 |
| EP4-6 | 157.64 | 161.79 | -2.64 | 156.87 | 164.10 | -4.61 | 159.72 | 165.14 | -3.40 | 162.44 | 166.50 | -2.50 |
| EP4-7 | 170.47 | 158.62 | 6.95 | 175.83 | 160.76 | 8.57 | 177.14 | 161.73 | 8.70 | 179.98 | 163.00 | 9.43 |
| EP4-11 | 202.49 | 183.83 | 9.22 | 201.27 | 191.02 | 5.10 | 203.87 | 194.50 | 4.60 | 206.98 | 199.19 | 3.76 |
| EP4-12 | 207.42 | 178.36 | 14.01 | 210.98 | 183.66 | 12.95 | 211.25 | 185.85 | 12.02 | 212.51 | 188.77 | 11.17 |
| EP4-13 | 208.94 | 171.54 | 17.90 | 211.10 | 174.76 | 17.21 | 210.97 | 175.62 | 16.75 | 211.84 | 176.63 | 16.62 |
| EP4-15 | 173.20 | 186.78 | -7.84 | 191.87 | 195.00 | -1.63 | 199.20 | 199.63 | -0.22 | 209.01 | 206.23 | 1.33 |
| EP4-16 | 209.84 | 185.71 | 11.50 | 204.90 | 193.18 | 5.72 | 205.83 | 196.90 | 4.34 | 206.60 | 201.87 | 2.29 |
| EP4-17 | 203.02 | 185.25 | 8.75 | 198.15 | 191.69 | 3.26 | 197.72 | 194.64 | 1.56 | 197.19 | 198.04 | -0.43 |
| EP4-19 | 208.79 | 175.79 | 15.80 | 197.94 | 180.27 | 8.93 | 196.90 | 181.49 | 7.83 | 196.36 | 181.72 | 7.46 |
| RP4-2 | 132.47 | 140.24 | -5.86 | 131.97 | 140.65 | -6.58 | 133.45 | 140.83 | -5.53 | 135.13 | 141.06 | -4.39 |
| RP4-3 | 169.98 | 187.24 | -10.15 | 186.22 | 191.72 | -2.95 | 192.20 | 193.69 | -0.77 | 200.11 | 196.22 | 1.94 |
| SP4-1 | 156.72 | 180.59 | -15.23 | 164.90 | 191.30 | -16.01 | 168.32 | 195.88 | -16.38 | 172.76 | 201.73 | -16.77 |
| SP4-2 | 171.63 | 186.80 | -8.84 | 189.06 | 193.12 | -2.15 | 196.03 | 195.98 | 0.03 | 204.14 | 199.69 | 2.18 |
| SP4-3 | 208.39 | 178.83 | 14.19 | 206.49 | 183.74 | 11.02 | 208.35 | 185.97 | 10.74 | 209.20 | 188.93 | 9.69 |
| SP4-5 | 204.02 | 183.58 | 10.02 | 204.92 | 189.56 | 7.49 | 207.55 | 192.42 | 7.29 | 207.95 | 196.24 | 5.63 |
| SP4-6 | 217.79 | 174.74 | 19.77 | 212.81 | 177.94 | 16.39 | 213.85 | 179.03 | 16.28 | 213.67 | 180.46 | 15.54 |
Plastic concrete properties of the cutoff wall_
| 3~7 MPa | Compressive Strength |
|---|---|
| 1×10-8 m/s | Permeability |
| 500~1000 MPa | Young’s Modulus |
| 170~220 mm | Slump |