Research Article
Sensitivity Analysis and Experimental Verification of Bolt Support Parameters Based on Orthogonal Experiment
Table 5
Regression equation coefficients and reliability tests.
| Assessment index | Constant | A | B | C | D | E | Goodness of fit | Residual sum of squares |
| Convergence of surrounding rock surface of the roadway roof | 64.23 | 0.004 | 0.005 | −1.03e−4 | −0.003 | −0.015 | 0.966 | 0.30 | Convergence of surrounding rock depth of the roadway roof | 35.18 | 0.001 | 0.002 | −8.24e−5 | −0.022 | −0.007 | 0.851 | 0.26 |
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