Discussion on article ‘Influence of Rock Brittleness on TBM Penetration Rate in Singapore Granite’ by Q.M. Gong and J. Zhao [Tunnelling and Underground Space Technology, in Press]

2008 ◽  
Vol 23 (2) ◽  
pp. 215-216 ◽  
Author(s):  
R.M. Goktan
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