Research Article
Modeling and Estimation of Production Rate in Ornamental Stones Sawing Based on Brittleness Indexes
Table 6
The relative error analysis of estimated production rate of two types of models for the 17 rock samples.
| | Sample no. | Rock type | PR (m2/h) | B2 based model PR (m2/h) | B1 and B2 based model PR (m2/h) | B2 based model relative error () | B1 and B2 based model relative error () |
| | 1 | Granite (Toyserkan) | 3 | 3.3123 | 3.5834 | 10.4086 | 19.4474 | | 2 | Granite (Nehbandan-K) | 5 | 5.4058 | 5.3536 | 8.1165 | 7.0724 | | 3 | Granite (Piranshahr) | 4.5 | 4.0758 | 4.3111 | -9.4261 | -4.198 | | 4 | Granite (Birjand) | 6.5 | 6.2345 | 6.0771 | -4.0852 | -6.506 | | 5 | Granite (Ouromie) | 6 | 5.7406 | 5.7699 | -4.3233 | -3.8349 | | 6 | Granite (Chayan) | 5 | 4.469 | 4.5621 | -10.62 | -8.758 | | 7 | Granite (yazd) | 5.5 | 5.9569 | 5.698 | 8.3071 | 3.5999 | | 8 | Granite (Nehbandan-S) | 5 | 5.7318 | 5.5399 | 14.6355 | 10.7982 | | 9 | Granite (Khoramdare) | 6 | 6.1757 | 5.9435 | 2.9286 | -0.9416 | | 10 | Granite (Mashhad) | 6.5 | 6.6217 | 6.3019 | 1.873 | -3.048 | | 11 | Marble (Harsin) | 8.5 | 8.5326 | 8.7285 | 0.384 | 2.6884 | | 12 | Marble (Anarak) | 9 | 8.2535 | 8.4512 | -8.2941 | -6.098 | | 13 | Marble (Salsali) | 9 | 8.721 | 8.7682 | -3.0999 | -2.5756 | | 14 | Marble (Haftoman) | 8 | 8.2085 | 8.4335 | 2.6057 | 5.4182 | | 15 | Travertine (Darehbokhari) | 10 | 9.8224 | 9.8272 | -1.7762 | -1.7278 | | 16 | Travertine (Hajiabad) | 10 | 9.775 | 9.8826 | -2.2502 | -1.1737 | | 17 | Travertine (Azarshahr) | 11 | 11.5008 | 11.3583 | 4.5528 | 3.2571 |
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PR: Production rate.
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