FIGURE 1.

FIGURE 2.

FIGURE 3.

FIGURE 4.

FIGURE 5.

FIGURE 6.

FIGURE 7.

FIGURE 8.

FIGURE 9.

FIGURE 10.

FIGURE 11.

FIGURE 12.

FIGURE 13.

FIGURE 14.

FIGURE 15.

Physical-mechanical properties of materials
| Specification | Elastic modulus (E) [kN·m−2] | Poisson’s ratio (ν) [−] | Unit weight (γ) [kN·m−3] | Saturated unit weight (γsat) [kN·m−3] | Cohesion (c) [KN·m−2] | Frictional angle (φ) [°] |
|---|---|---|---|---|---|---|
| Dam | 107 | 0.39 | 21.4 | 21.4 | 150 | 25 |
| Foundation | 4.107 | 0.32 | 24.7 | 24.7 | 500 | 45 |
Radial and tangential displacements
| Point | Tangential coordinate [m] | Radial coordinate [m] | First measurement | Second measurement | Third measurement | Fourth measurement | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| X.10−3 [m] | Y.10−3 [m] | X.10−3 [m] | Y.10−3 [m] | X.10−3 [m] | Y.10−3 [m] | X.10−3 [m] | Y.10−3 [m] | |||
| Pillar | ||||||||||
| 1 | 2 139.7771 | 5 213.2880 | 0.1 | −0.6 | −0.1 | −1.5 | 1.2 | −1.7 | 1.8 | 1.3 |
| 2 | 2 234.3549 | 5 145.5580 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3 | 2 280.7998 | 5 073.4329 | 5.2 | 0.8 | 0.7 | 0.6 | −0.1 | −0.8 | 2.4 | 1.0 |
| 4 | 2 128.0069 | 5 001.9064 | 0.7 | −5 | 1.7 | −3.8 | 1.6 | −2.9 | 2.3 | 2.7 |
| 5 | 2 053.6496 | 5 045.6026 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6 | 2 061.3379 | 5 098.1197 | 0 | 0 | 0.1 | −1.0 | −0.5 | 0 | −0.3 | 0.8 |
| 7 | 2 180.8727 | 5 056.8459 | −1.6 | −0.2 | −1.9 | −1.1 | −1.3 | −1.8 | 0.8 | 0.3 |
| Arch crest | ||||||||||
| 1 | 2 263.2976 | 5 073.7152 | −0.2 | 2.3 | −0.1 | 3.4 | −1.3 | −0.3 | 3.3 | 2.9 |
| 2 | 2 252.3023 | 5 059.3807 | 3.6 | −1.4 | 0.7 | −0.3 | 1.7 | −0.3 | 0.3 | −0.5 |
| 3 | 2 241.3327 | 5 047.0754 | 4.1 | −2.9 | −0.1 | −0.7 | −0.2 | −2.3 | −0.5 | 1.8 |
| 4 | 2 228.5392 | 5 034.7925 | 3.1 | −5.0 | 0.2 | −3.9 | 0.9 | −5.4 | −0.7 | 0.3 |
| 5 | 2 213.3124 | 5 022.8209 | 5.4 | −5.8 | 3.8 | −4.5 | 4.3 | −3.5 | 2.2 | 1.0 |
| 6 | 2 196.6591 | 5 012.5910 | 4.2 | −5.9 | 0.7 | −5.1 | 2.7 | −6 | 0 | −0.1 |
| 7 | 2 178.2207 | 5 007.4771 | 2.8 | −7.6 | 1.6 | −5.9 | 2.8 | −5.5 | 1.1 | 0.8 |
| 8 | 2 161.0720 | 5 000.0211 | 3.3 | −6.4 | 1.0 | −4.7 | 2.3 | −3.2 | 0.1 | 2.5 |
| 9 | 2 142.8410 | 4 998.5590 | 1.6 | −3.3 | 1.7 | −5.8 | 0.1 | −6.0 | 0.5 | 2.0 |
| 10 | 2 127.0101 | 5 000.0122 | 1.3 | −5.3 | 2.3 | −3.7 | 2.3 | −2.4 | 2.0 | 2.5 |
| 11 | 2 112.8964 | 5 003.1407 | −0.5 | −3.3 | 0.4 | −0.7 | 1.1 | −1.2 | 2.6 | 3.0 |
| 12 | 2 099.3296 | 5 007.7667 | −0.7 | −3.2 | −0.9 | 0.3 | 0.1 | −2.0 | 2.1 | 4.0 |
| 13 | 2 086.1626 | 5 013.6576 | −0.2 | −1.5 | −0.8 | 1.4 | −1.7 | 1.6 | 0 | 4.4 |
| 14 | 2 070.9992 | 5 022.1910 | −0.4 | −2.5 | −1.4 | −1.1 | −1.5 | 0 | 0.1 | −0.4 |
| Downstream section | ||||||||||
| 17 | 2 220.8518 | 5 043.9473 | 4.3 | −1.0 | −1.4 | −2.3 | 0 | −1.7 | 0.9 | −1.0 |
| 18 | 2 209.4664 | 5 046.9359 | 0.4 | −1.8 | 0 | 0 | 0.5 | −0.9 | 2.4 | 1.3 |
| 19 | 2 181.8562 | 5 024.1640 | −2.0 | −2.4 | −1.1 | −4.1 | −1.1 | −1 | −1.2 | −7.4 |
| 20 | 2 109.7468 | 5 018.7815 | −0.6 | −0.6 | −0.2 | −0.8 | −1.8 | −3.3 | −0.6 | −0.1 |
Vertical displacements
| Point | Elevation [m] | Vertical displacement .10−3 [m] | |||
|---|---|---|---|---|---|
| first measurement | second measurement | third measurement | fourth measurement | ||
| Reference | |||||
| 01 | 307.9039 | 3.7 | 0.4 | −0.2 | −1.4 |
| 02 | 310.0502 | 3.1 | −0.2 | −0.7 | −0.7 |
| 03 | 305.6079 | 3.7 | 0.3 | −0.1 | −1.0 |
| 04 | 286.9498 | 0 | 0 | 0 | 0 |
| 05 | 285.7634 | 0 | 0 | 0 | 0 |
| 06 | 286.4792 | 0 | 0 | 0 | 0 |
| 100 | 286.3762 | 0 | 0 | 0 | 0 |
| 101 | 288.0259 | 1.5 | 1.3 | 0.4 | −0.8 |
| Arch crest | |||||
| 01 | 285.2747 | 1.3 | 1 | −0.2 | 0 |
| 02 | 285.2878 | 2.5 | 1.7 | 0.8 | −0.3 |
| 03 | 285.2854 | 1.7 | 1 | 0.1 | −1.6 |
| 04 | 285.3151 | 2.2 | 1.6 | 0.5 | −1.2 |
| 05 | 285.2989 | 0.9 | 0.5 | −0.8 | −2.0 |
| 06 | 285.2873 | 1.7 | 1.4 | −0.1 | −1.4 |
| 08 | 285.3012 | 1.9 | 0.8 | −0.1 | −1.6 |
| 09 | 285.3041 | 1.3 | 0.3 | −0.8 | −2.4 |
| 10 | 285.3026 | 2.2 | 1.7 | 0.5 | −0.8 |
| 11 | 285.2921 | 1.4 | 0.9 | 0.1 | −1.4 |
| 12 | 285.3040 | 2.4 | 2 | 1.4 | 0 |
| 13 | 285.2950 | 1.7 | 1.1 | 0.7 | −0.7 |
| 14 | 285.3078 | 2.4 | 1.7 | 1.4 | 0.4 |
| 15 | 285.3413 | 0.1 | 0.3 | 0.1 | 0.9 |
| 16 | 287.6154 | 1.5 | 1.7 | 0.8 | 0.7 |
Summary of displacements calculated by the dam monitoring system and the calculation code
| Value [m] | Dam monitoring | Midas GTS NX | ||||
|---|---|---|---|---|---|---|
| radial displacement | tangential displacement | vertical displacement | radial displacement | tangential displacement | vertical displacement | |
| Max | 0.0045 | −0.0070 | 0.0037 | 0.0012 | −0.0119 | −0.0059 |
| Min | 0 | 0 | 0 | 0.0009 | −0.0018 | −0.0039 |
