Research Article
Study on Deep and Large Foundation Pit of a National First-Class Key Tomb Protection Project
Table 4
Different anchor support schemes.
| | Number | Working condition | Depth (m) | Mixed anchor | Reinforced concrete anchor | Steel pipe anchor |
| | 1 | Excavation | 6.900 | | | | | 2 | Supporting | 6.400 | Internal bracing by reinforced concrete | Internal bracing by reinforced concrete | Inner support by steel pipe | | 3 | Excavation | 9.900 | | | | | 4 | Supporting | 9.400 | Inner support by steel pipe | Internal bracing by reinforced concrete | Inner support by steel pipe | | 5 | Excavation | 12.900 | | | | | 6 | Supporting | 12.400 | Inner support by steel pipe | Internal bracing by reinforced concrete | Inner support by steel pipe | | 7 | Excavation | 15.900 | | | | | 8 | Supporting | 15.400 | Inner support by steel pipe | Internal bracing by reinforced concrete | Inner support by steel pipe | | 9 | Excavation | 16.000 | | | |
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