Research Article
Reinforcement Effects of Isolation Piles on the Adjacent Existing Tunnel in Building Construction
Table 3
Similar material composition and matching ratio of strata.
| | Stratum name | Prototype stratum thickness (m) | Model stratum thickness (cm) | Composition and ratio |
| | Miscellaneous fill | 2.0 | 13 | River sand = 1 | | Clayey silt I | 5.2 | 35 | River sand : iron powder : gypsum : lime = 19 : 8 : 1 : 2 | | Silty clay | 13.2 | 88 | River sand : iron powder : gypsum : lime = 19 : 8 : 1 : 1 | | Clayey silt II | 1.8 | 12 | River sand : iron powder : gypsum : lime = 19 : 8 : 1 : 2 | | Medium sand | 3.2 | 22 | River sand = 1 | | Pebbles | 4.5 | 30 | Iron powder : river sand = 1 : 20 |
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