Research Article
Water Content Influence on Properties of Red-Layers in Guangzhou Metro Line, China
Table 5
All mineral X-ray diffraction analysis test results.
| Number | Sampling site | Sampling depth (m) | Lithology | Mineral type and content (%) | Total clay minerals (%) | Quartz | Feldspar | Plagioclase | Calcite | Hematite | Barite |
| PKD01 | Tiyu West Road Station | 16 | Moderate weathered red clay | 47.2 | / | 14.5 | / | 2.8 | / | 35.5 | PKD02 | Zhujiang New Town Station | 17.217.8 | Red clay | 45.7 | / | 10.9 | / | 3.5 | / | 39.9 | PKD03 | Wushan Road Station | 12 | Moderate-strong weathered red clay | 33.6 | / | 14.8 | 12.2 | 2.8 | / | 36.6 | PKD04 | Zhujiang New Town Station | 18.119.0 | Sandstone | 27.7 | / | 5.4 | 21.1 | 5.7 | / | 40.1 | PKD05 | Kecun Station | 27.6 | Red sandstone | 44.1 | 8 | 6.1 | 7.4 | 1.4 | / | 33.0 | PKD06 | Tianhe Station | 16 | Shield excavated soil | 32.9 | 15.6 | 6.5 | / | ā | / | 45.0 |
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