Table 5 Precision comparison analysis table of closed shell model and block models.
Model | Type | 2021–2022 | 2022–2023 | 2023–2024 | 2024–2025 | |
|---|---|---|---|---|---|---|
Closed shell block model | Coal B (× 104 t) | 671.03 | 740.59 | 111.36 | 26.06 | |
Coal 12 (× 104 t) | 1687.17 | 2472.32 | 2154.03 | 2230.13 | ||
Coal 21 (× 104 t) | 327.91 | 443.93 | 524.59 | 523.41 | ||
Coal 31 (× 104 t) | 288.95 | 370.44 | 422.61 | 294.38 | ||
Total coal weight (× 104 t) | 2975.06 | 4027.28 | 3212.58 | 3073.99 | ||
Total volume (× 104 m3) | 15,439.96 | 21,503.69 | 13,832.54 | 13,476.78 | ||
Traditional regular block model | 3 * 3 * 3 | Coal B (× 104 t) | 667.67 | 720.98 | 111.23 | 23.54 |
Coal 12 (× 104 t) | 1690.06 | 2457.53 | 2199.36 | 2240.21 | ||
Coal 21 (× 104 t) | 336.03 | 451.71 | 528.30 | 527.99 | ||
Coal 31 (× 104 t) | 288.99 | 376.93 | 429.57 | 297.05 | ||
Total coal weight (× 104 t) | 2982.75 | 4007.16 | 3268.45 | 3088.78 | ||
Total volume (× 104 m3) | 15,493.19 | 21,637.85 | 13,851.31 | 13,507.72 | ||
6 * 6 * 6 | Coal B (× 104 t) | 657.39 | 761.48 | 112.33 | 25.43 | |
Coal 12 (× 104 t) | 1683.14 | 2449.95 | 2207.76 | 2264.79 | ||
Coal 21 (× 104 t) | 334.25 | 444.67 | 516.50 | 532.62 | ||
Coal 31 (× 104 t) | 279.07 | 378.70 | 436.50 | 321.79 | ||
Total coal weight (× 104 t) | 2953.85 | 4034.79 | 3273.09 | 3144.63 | ||
Total volume (× 104 m3) | 15,284.31 | 21,824.79 | 13,991.01 | 13,810.98 | ||
12 * 12 * 12 | Coal B (× 104 t) | 460.03 | 687.54 | 103.83 | 31.87 | |
Coal 12 (× 104 t) | 1703.61 | 2457.09 | 2308.76 | 2187.49 | ||
Coal 21 (× 104 t) | 304.08 | 467.44 | 460.43 | 453.81 | ||
Coal 31 (× 104 t) | 286.44 | 374.44 | 374.64 | 177.80 | ||
Total coal weight (× 104 t) | 2754.16 | 3986.51 | 3247.66 | 2850.97 | ||
Total volume (× 104 m3) | 15,273.27 | 21,967.20 | 13,860.98 | 13,625.80 | ||
Error (%) | 3 * 3 * 3 | Coal B | 0.5013 | 2.6471 | 0.1174 | 9.6828 |
Coal 12 | 0.1717 | 0.5982 | 2.1046 | 0.4516 | ||
Coal 21 | 2.4778 | 1.7520 | 0.7069 | 0.8744 | ||
Coal 31 | 0.0111 | 1.7519 | 1.6465 | 0.9083 | ||
Total coal weight | 0.2585 | 0.4997 | 1.7391 | 0.4814 | ||
Total volume | 0.3447 | 0.6239 | 0.1357 | 0.2296 | ||
6 * 6 * 6 | Coal B | 2.0322 | 2.8207 | 0.8698 | 2.4247 | |
Coal 12 | 0.2389 | 0.9047 | 2.4946 | 1.5538 | ||
Coal 21 | 1.9334 | 0.1653 | 1.5410 | 1.7589 | ||
Coal 31 | 3.4195 | 2.2279 | 3.2866 | 9.3134 | ||
Total coal weight | 0.7129 | 0.1865 | 1.8835 | 2.2981 | ||
Total volume | 1.0081 | 1.4932 | 1.1456 | 2.4798 | ||
12 * 12 * 12 | Coal B | 31.4446 | 7.1633 | 6.7579 | 22.2816 | |
Coal 12 | 0.9744 | 0.6158 | 7.1835 | 1.9123 | ||
Coal 21 | 7.2666 | 5.2958 | 12.2304 | 13.2965 | ||
Coal 31 | 0.8702 | 1.0781 | 11.3518 | 39.6023 | ||
Total coal weight | 7.4252 | 1.0124 | 1.0918 | 7.2549 | ||
Total volume | 1.0796 | 2.1555 | 0.2056 | 1.1057 | ||
