Research Article
Performance Research of Materials and Engineering Application of Overburden Strata Separation-Zone Grouting Technology
Table 8
Calculation table of the subsidence reduction rate in the second mining district.
| | | T2191 | T2192 | T2193上 | T2193下 | T2194 | T2195 | Second mining district |
| | Calculated maximum subsidence value without grouting (mm) | 4319.8 | 3792.5 | 3211.8 | 3519.8 | 2939.7 | 2747.5 | 9864.5 | | Maximum observed subsidence value (mm) | 1253 | 2084 | 1442 | 1730 | 1004 | 1652 | 4787 | | Grouting reduction rate (%) | 71.0 | 45.0 | 55.1 | 50.8 | 65.8 | 39.9 | 51.5 |
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