Research Article
Study on Deformation Law of Deep Foundation Pit with the Top-Down Method and Its Influence on Adjacent Subway Tunnel
Table 1
Main construction stages.
| Stage | Construction operation | Scheduled start date |
| 1 | Construction of the diaphragm wall of section C | 11/01/2013 | 2 | Construction of the ACIP piles of section C, excavation, and construction of sections A and B | 02/01/2014 | 3 | Excavation to a depth of 2.3 m and casting of slab B0 | 10/20/2014 | 4 | Excavation to a depth of 7.3 m and casting of slab B1 | 01/17/2015 | 5 | Excavation to a depth of 10.8 m and casting of slab B2 | 02/04/2015 | 6 | Excavation to a depth of 14.3 m and casting of slab B3 | 05/27/2015 | 7 | Excavation to a depth of 18.5 m and casting of the basement slab | 07/21/2015 |
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