Stability study of CRREL permafrost tunnel

Earth & Environmental Sciences

• cold region 84%
• effect 6%
• engineering 44%
• excavation 11%
• geometry 9%
• laboratory 37%
• overburden 27%
• permafrost 68%
• rate 9%
• research project 13%
• roof 12%
• temperature 21%
• thermal regime 16%
• tunnel 62%

Engineering & Materials Science

• Electron tunneling 27%
• Excavation 17%
• Geometry 10%
• Hot Temperature 8%
• Permafrost 100%
• Research laboratories 19%
• Roofs 16%
• Temperature 28%
• Tunnels 58%