Some design and construction considerations for large permanent underground openings at shallow depths. Report. In advances in rock mechanics, VI, part B : Proc.3rd congress int.soc.rock mech.Sept.1974,Denver, USA,nat.acad.sci.VI,part B,1974,P1507–1517 Brekke T.L., Lang T.A., Kendorski F.S.

• Publisher: Elsevier Science
• Year: 1975
• Tongue: English
• Weight: 113 KB
• Volume: 12
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(75)90851-7