Research Article
Study on the Large Deformation Characteristics and Disaster Mechanism of a Thin-Layer Soft-Rock Tunnel
Table 2
Relative content of different minerals in the rock mass.
| | No. | Mineral content (%) | | Quartz | Potash feldspar | Plagioclase | Siderite | Pyrite | Dolomite | Clay mineral |
| | 1 | 43.8 | 1.0 | 2.2 | — | — | — | 53.0 | | 2 | 48.1 | — | — | — | — | — | 51.9 | | 3 | 56.5 | — | 1.5 | — | — | — | 42.0 | | 4 | 50.9 | 0.9 | 1.8 | — | — | — | 46.4 | | 5 | 50.3 | 1.0 | 1.8 | — | — | — | 46.9 | | 6 | 48.0 | 0.9 | 1.6 | — | 2.1 | — | 47.4 |
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