KYTC US 68/KY 80 Bridge over Lake Barkely
Drilling was accomplished by advancing HW-size wireline casing with a wireline casing advancer to the bedrock surface, and potentially to the bottom of any encountered void. Coring was accomplished ahead of the casing using NQ-size double tube core barrels with chromed inner tubes and Ultra 8 impregnated diamond bits. The drill procedures and work plan
read more...