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Keywords: rectangular shape
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Proceedings Papers
Shape of Underground Openings And Rock Bolt Length
Available to Purchase
Paper presented at the ISRM International Symposium - EUROCK 2005, May 18–20, 2005
Paper Number: ISRM-EUROCK-2005-026
... are collected (Fig. 3). 164 (a) (b) Figurc 3. Observation points of maximum and minimum Induced stresses in the roof and the wall of circular and rectangular shape openings. 45 40 35 !2 30 ~~ 25 o b' 20 -;S-15 10 5 o o a ,/av = 2.77k - 0.85 5 10 15 k(a) 10 5 !2 b~ 0 o ~ -5 b -10 5 10 k 15 (b) F~gure 4...
