4 -

- , , , , / . , , , .

: , . : 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, ).

2

4 / /

(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.

3

4 / /

() , 80-200mm, TH DTH

() 14m

() ( )

() DTH .

()

()

2. ( ) 3 . , (500 bar), , . , ( ) ( & ) (, & ). , , , .

4

4 / /

3. ( ) 4 4.1 ,. ( 4, ) , ( 4, ). . (~1000MPa), . .

4. (Elebor) 4.2 (CA=Cable anchor) ,. , , (, .) . . 0.35 0.45. . . , , , . , .

-- . / / . , / , .

4.2.1

5

4 / /

, , . 1960 & 1970 , , . , , . , . , . , . 1980 . , (

5) 1518mm, 1550MPa 220kN , -. , , .

6

4 / /

5. . : : : (www.jenmar.com). 4.2.2 , . , . . , . , , , . , , . , , , , . , , . . 4.2.3 , . .

, , ~19 mm , 9mm, . . 0.4, , . , . . , . , , . , . , . , 9 , .

, , , . , 19mm , .

7

4 / /

. . , . 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).

8

4 / /

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