Research Article
Performance of Prestressed Anchor Cables Supporting Deep Foundation Pit of a Subway Station during Spring Thaw
| | Stage | Serial number | Name | Duration/s | Task |
| | Construction phase | 1 | Addwall | 1 | Construction of diaphragm wall (supporting piles) | | 2 | kw1 | 1 | First earthwork excavation (2.0 m) | | 3 | addms1 | 1 | First anchor line construction (1.5 m) | | 4 | kw2 | 1 | First anchor line construction (5.5 m) | | 5 | addms2 | 1 | Second anchor cable construction (5.0 m) | | 6 | kw3 | 1 | Third earthwork excavation (9.1 m) | | 7 | addms3 | 1 | Third anchor cable construction (8.6 m) | | 8 | kw4 | 1 | Fourth earthwork excavation (12.7 m) | | 9 | addms4 | 1 | Fourth anchor cable construction (12.2 m) | | 10 | kw5 | 1 | Fifth earthwork excavation (16.5 m) | | 11 | addms5 | 1 | Fifth anchor cable construction (16.0 m) | | 12 | kw6 | 1 | Sixth earthwork excavation (20.0 m) | | Freezing and thawing phase | 13 | drxh1 | | Before spring thaw (after October 1) | | 14 | drxh2-1 | | First stage of early spring melt | | 15 | drxh2-2 | | Second stage of early spring melt | | 16 | drxh2-3 | | Third stage of early spring melt | | 17 | drxh3 | | Middle and late spring melt | | 18 | drxh4 | | After spring thaw (ends September 30) |
|
|
