MULTIPLE-POINT ANCHORED ROCK BOLT

MULTIPLE-POINT ANCHORED ROCK BOLT

The invention provides a rock bolt which includes an elongate metallic body having a first end and an opposed second end, a threaded portion at the second end, for attaching thereto and locating thereon, a nut and a bearing plate, a mechanical anchor at, or at least partially located on, a first end...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PASTORINO, PAOLO ETTORE, VAN DER MERWE, PHILLIPUS, DU PLESSIS, SAMUEL, CAWOOD, MARTIN
Format: Patent
Sprache:eng ; fre
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Beschreibung
Zusammenfassung:The invention provides a rock bolt which includes an elongate metallic body having a first end and an opposed second end, a threaded portion at the second end, for attaching thereto and locating thereon, a nut and a bearing plate, a mechanical anchor at, or at least partially located on, a first end portion of the body and a first resistive anchor, located between the threaded portion and the mechanical anchor.