Cumberland Gap Tunnels; Controlled Excavation With Complex Geology
- Organization:
- International Society of Explosives Engineers
- Pages:
- 7
- File Size:
- 139 KB
- Publication Date:
- Jan 1, 1993
Abstract
The contract to drive twin 4,100 foot (1250.5m) long tunnels under the existing Cumberland Gap highway was awarded to a Joint Venture of S.A. Healy of Chicago, Illinois and Lodigiani USA of Fairfax, Virginia in January of 1991 under a $51.8 million bid. Due to very complex geological conditions, there were six distinct categories of excavation, the New Austrian Method of ground support was utilized throughout.
Citation
APA: (1993) Cumberland Gap Tunnels; Controlled Excavation With Complex Geology
MLA: Cumberland Gap Tunnels; Controlled Excavation With Complex Geology. International Society of Explosives Engineers, 1993.