Recoverable rotary jet grouting expanded-head anchor cable and construction method
The invention discloses a recoverable rotary jet grouting expanded-head anchor cable and a construction method, the recoverable rotary jet grouting expanded-head anchor cable comprises a rotary jet grouting drill bit, a locking recovery device, a recoverable anchor cable, a drill rod, a protective s...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | The invention discloses a recoverable rotary jet grouting expanded-head anchor cable and a construction method, the recoverable rotary jet grouting expanded-head anchor cable comprises a rotary jet grouting drill bit, a locking recovery device, a recoverable anchor cable, a drill rod, a protective sleeve and a prestressed steel strand, the rotary jet grouting drill bit and the recoverable anchor cable are installed on the locking recovery device, the locking recovery device is installed on the drill rod, and the prestressed steel strand is installed on the protective sleeve. The recoverable anchor cable is connected with the prestressed steel strand, the locking recovery device is connected with the protective sleeve, and the prestressed steel strand penetrates through the protective sleeve. The locking recovery device and the protective sleeve can form a closed space of the prestressed steel strands, the prestressed steel strands are not affected, the recovery reliability is improved, the unlocking recovery |
|---|