Research Article
Estimating Concrete Workability Based on Slump Test with Least Squares Support Vector Regression
Table 1
Statistical description.
| | Factors | Notation | Min | Mean | Std. dev. | Max |
| | Cement (kg/m3) | | 201.0 | 338.6 | 62.3 | 446.3 | | Natural sand (kg/m3) | | 384.0 | 690.1 | 154.2 | 827.0 | | Crushed sand (kg/m3) | | 0.0 | 81.6 | 159.0 | 399.0 | | Coarse aggregate (kg/m3) | | 1107.0 | 1155.7 | 33.0 | 1218.0 | | Water (liter/m3) | | 164.0 | 174.2 | 6.4 | 186.0 | | Superplasticizer (liter/m3) | | 1.0 | 3.1 | 0.9 | 4.5 | | Concrete slump (cm) | | 8.0 | 10.2 | 2.9 | 19.0 |
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