Search

Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Enter your search term(s):
[advanced search]

5 results returned

Search results

• Structural design data for unreinforced concrete tunnel linings
• Analysis of tunnel support structure with consideration of support-rock interaction
• Structural design data for concrete drift linings in block caving stopes
• A method for computing stabilization pressures for excavations in incompetent rock :with computer user information
• Procedures for determining support of excavations in highly yielding ground