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SUMMARY:The TRD Method for In Situ Mixed Vertical Barriers in Dams and Lev
 ees - Jeffrey C. Evans\, Ph.D.\, P.E. Professor and Chair Department of Ci
 vil and Environmental Engineering Bucknell University Lewisburg\, PA 17837
 \, USA
DTSTART:20121012T123000Z
DTEND:20121012T140000Z
UID:TALK39741@talks.cam.ac.uk
CONTACT:Anama Lowday
DESCRIPTION:Conventional slurry trench methods of constructing low-permeab
 ility vertical barriers\nhave been widely used in the past but more recent
 ly in situ mixing using the Trench\nRemixing and Deep wall method (TRD) ha
 s been introduced to the US. The TRD\nmethod is a one-phase process that i
 nvolves the simultaneous\, full-depth cutting and\nmixing of in situ soils
  with additives to create\, in place\, a continuous soil mixed wall. A\nbl
 end of cementitious materials (granulated ground blast furnace slag and Po
 rtland\ncement) and slurry are injected as the milling/cutting proceeds ho
 rizontally resulting in\ncontinuous vertical mixing of in situ soils with 
 the injected materials. Details of the\ntechnique will be presented as wel
 l as an evaluation of the wall performance at the\nHerbert Hoover Dike at 
 Lake Okeechobee\, Florida. Performance issues addressed
LOCATION:Engineering Department - Lecture Room 5
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