LDY 04 Cables
description
Transcript of LDY 04 Cables
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- , , , , / . , , , .
: , . : Hoek et al. (1995); Stillborg (1994).
1 - , () , : , - () (spiling), () (forepoling),, () , () .. () , () .
2 2.1 (SNp=fully grouted Pipe bolts
spiles) , 1501-12-03-06-00. S235JR, , , 76mm 22mm, . () 35, 50 60 mm, () 56/50, 66/60, 76/70mm, () 56/50, 66/60, 76/70mm. ~3 . .
. . ( 1, ).
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(Elebor)
1.
2.2 (SDBp=Self-Drilling Pipe olt - Spile)
( 1, ) , 1501-12-03-03-06. , , , , . . 30/16, 30/14, 30/11, 40/20, 40/16, 52/26, 73/53. . 2.3 , 1501-12-03-05-00. . , 76mm, (tubo) , S235JR. . , 25 . ( 2) 40-45 , .. 14 , 2 3 m, 11-12m ( 2). 40 ( 2) 10-12 , 10-12 . 24 , 12m . , , . , ( 2) . . (TH) ( 2) (DTH). 2 2.
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() , 80-200mm, TH DTH
() 14m
() ( )
() DTH .
()
()
2. ( ) 3 . , (500 bar), , . , ( ) ( & ) (, & ). , , , .
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3. ( ) 4 4.1 ,. ( 4, ) , ( 4, ). . (~1000MPa), . .
4. (Elebor) 4.2 (CA=Cable anchor) ,. , , (, .) . . 0.35 0.45. . . , , , . , .
-- . / / . , / , .
4.2.1
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, , . 1960 & 1970 , , . , , . , . , . , . 1980 . , (
5) 1518mm, 1550MPa 220kN , -. , , .
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5. . : : : (www.jenmar.com). 4.2.2 , . , . . , . , , , . , , . , , , , . , , . . 4.2.3 , . .
, , ~19 mm , 9mm, . . 0.4, , . , . . , . , , . , . , . , 9 , .
, , , . , 19mm , .
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. . , . 0.30 0.35, . , , . , . , .
, 0.4, , .
, , . . . . , 0.3 0.4.
, , , . , , , . , , , .
5 1. 6 Brady BHG and Brown ET (2007). Rock Mechanics for underground mining, Third
edition, Springer.
Douglas Th and Arthur LJ (1983). A guide to the use of rock reinforcement in underground excavations; CIRIA, Report 101, London.
Hoek E and Brown ET (1980). Underground Excavations in Rock, The Institution of Mining and Metallurgy, London.
Hoek E, Kaiser PK, & Bawden WF (1995). Support of underground excavations in hard rock, Balkema, chs. 12 & 13.
. (1989).
(1985).
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Peng Syd S (1978). Coal Mine Ground Control, John Wiley & Sons, Inc. New York.
Stillborg B (1994). Professional users handbook for rock bolting, Trans Tech Publications.
4-1 2 2.1 (SNp=fully grouted Pipe boltsspiles)2.2 (SDBp=Self-Drilling Pipe olt - Spile)2.3
3 4 4.1 4.2 (CA=Cable anchor)4.2.1 4.2.2 4.2.3
5 6