160_CEG 4012 Notes Fall 2011 CEG 4012 Notes Fall 2011

160_CEG 4012 Notes Fall 2011 CEG 4012 Notes Fall 2011 -...

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DF40 Casing Method of Construction: use to support caving soils when slurry insufficient o may also use if minor seepage encountered (not::<t good::method below water table" ° best to install-casing vdtb a vibrato,y-hammer-o by screwing-it-to dept , placement in a predrilled hole invites a lot of problems and does not support shaft o temporary casing must be removed immediately following concreting, while concrete is still fluid, or casing wili piug and create voids when pulied o permanent casing common in moving water (this reduces side shear, but is often more economical and less risky to jusl compensate by adding shall length)
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