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https://hdl.handle.net/11681/5663| Title: | Tunneling in permafrost : Report 2 |
| Authors: | United States. Army. Polar Research and Development Center. Swinzow, George K., 1915- |
| Keywords: | Tunneling Excavation Mining Explosion effects Cold weather conditions Cold regions Arctic regions Permafrost Frozen ground Frozen soils Underground construction Permacrete |
| Publisher: | Cold Regions Research and Engineering Laboratory (U.S.) Engineer Research and Development Center (U.S.) |
| Series/Report no.: | Technical report (Cold Regions Research and Engineering Laboratory (U.S.)) ; 91. |
| Description: | Technical Report Summary: During the 1960 field season, the permafrost tunnel begun in 1959 in the Tuto area in Greenland was extended to 605 ft and three rooms were excavated off the main drift. Mining methods and equipment are described and evaluated. The action of explosives on permafrost was investigated and various types of powder are evaluated. The use of advantages provided by the cold environment was demonstrated. A new building material, "permacrete", was successfully used and its application demonstrated. The glaciology of the region is re-examined in the light of evidence revealed by excavation. It is concluded that permafrost provides a safe underground shelter and that "permacrete" presents a most suitable material for fortification. |
| Rights: | Approved for public release; distribution is unlimited. |
| URI: | http://hdl.handle.net/11681/5663 |
| Appears in Collections: | CRREL Technical Report |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| CRREL-Technical-Report-91.pdf | 11.57 MB | Adobe PDF |  View/Open |