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In-Situ Evaluation Technique for Hydraulic Conductivity in Excavation Disturbed Zone (EDZ)  

Kim, Hyung-Mok (한국지질자원연구원 지반안전연구부)
Ryu, Dong-Woo (한국지질자원연구원 지반안전연구부)
Synn, Joong-Ho (한국지질자원연구원 지반안전연구부)
Publication Information
Tunnel and Underground Space / v.18, no.2, 2008 , pp. 91-97 More about this Journal
Abstract
In this paper, in-situ technique for measuring hydraulic conductivity of Excavation Disturbed Zone (EDZ) in a direct way and its application to an Underground Research Laboratory (URL) site were introduced. It was understood that both the EDZ oriented test equipment as a hardware and analysis/evaluation technique as a software should be integrated for upgrading a quality of estimated EDZ hydraulic conductivity. The well-estimated EDZ hydraulic conductivity is expected to enhance a reliability of stability evaluation for caverns under groundwater table and design of a waterproof or drainage system as well as a grout system.
Keywords
Excavation Disturbed Zone (EDZ); In-situ borehole hydraulic test; Hydraulic conductivity;
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