Double-curved, hydraulic, self-clamping rock bolt

Double-curved, hydraulic, self-clamping rock bolt

A double-curved, hydraulic, self-clamping rock bolt for the stabilisation and support of rock is also to enable a liquid grouting medium to be fed into the surrounding rock. To this end, the rock bolt (1), which can be inserted into a borehole in the surrounding rock (7), has at least one locking el...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: IVAN, LUBOMIR, HAVIROV-NLUDONICE, CS, BENECZ, ISTVAN, KALLUS, PETR, OSTRAVA, CS, SVRCULA, MILAN, OTRAVA-PORUBA, CS, BODI, JAN, OSTRAVA, CS, KOCSANYI, LASZLO, SZILVASSY, ZSOLT, BUDAPEST, HU
Format: Patent
Sprache:eng ; ger
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Beschreibung
Zusammenfassung:A double-curved, hydraulic, self-clamping rock bolt for the stabilisation and support of rock is also to enable a liquid grouting medium to be fed into the surrounding rock. To this end, the rock bolt (1), which can be inserted into a borehole in the surrounding rock (7), has at least one locking element (5, 5') at the end section inserted into the borehole. One base (4) and one filling sleeve (3) each are attached to the end section of the rock bolt (1) projecting from the borehole. Adjacent to the base (4), at least one sealing element (6) is attached to a section of the rock bolt (1) located inside the borehole.