Rock bolt

Rock bolt

PCT No. PCT/AU94/00455 Sec. 371 Date Apr. 8, 1996 Sec. 102(e) Date Apr. 8, 1996 PCT Filed Aug. 9, 1994 PCT Pub. No. WO95/05525 PCT Pub. Date Feb. 23, 1995A rock bolt (1) adapted to be anchored in a hole in a rock formation by means of a cement or a chemical resin anchor is disanchored. The rock bolt...

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Hauptverfasser: MIECZYSLAW W. FABJANCZYK, MAXWELL T. RENWICK, WINTON J. GALE
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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creator MIECZYSLAW W. FABJANCZYK
MAXWELL T. RENWICK
WINTON J. GALE
description PCT No. PCT/AU94/00455 Sec. 371 Date Apr. 8, 1996 Sec. 102(e) Date Apr. 8, 1996 PCT Filed Aug. 9, 1994 PCT Pub. No. WO95/05525 PCT Pub. Date Feb. 23, 1995A rock bolt (1) adapted to be anchored in a hole in a rock formation by means of a cement or a chemical resin anchor is disanchored. The rock bolt (1) comprises a core (5) on which is formed a profile for optimising the load transfer and the stiffiess properties of the rock bolt (1), the profile comprising opposed sides (6), with one or both sides (6) comprising at least two sections (9, 11), with a first section (9) being steeper than a second section (11).
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Date Feb. 23, 1995A rock bolt (1) adapted to be anchored in a hole in a rock formation by means of a cement or a chemical resin anchor is disanchored. The rock bolt (1) comprises a core (5) on which is formed a profile for optimising the load transfer and the stiffiess properties of the rock bolt (1), the profile comprising opposed sides (6), with one or both sides (6) comprising at least two sections (9, 11), with a first section (9) being steeper than a second section (11).</description><edition>6</edition><language>eng</language><subject>EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; LARGE UNDERGROUND CHAMBERS ; MINING ; SHAFTS ; TUNNELS</subject><creationdate>1999</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19991124&amp;DB=EPODOC&amp;CC=CN&amp;NR=1046785C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19991124&amp;DB=EPODOC&amp;CC=CN&amp;NR=1046785C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MIECZYSLAW W. 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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
title Rock bolt
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