Excavations and Excavation Supports

5/28/2002


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Table of Contents

Excavations and Excavation Supports

Excavation and Excavation Supports

Slope Failure Mechanisms

Slope Stability

Slope Stability (Cont’d)

Slope Stability - Example 1

Slope Stability - Example 2

Slope Stability (Cont’d) Theoretical Safe Heights for Homogeneous Clay Cut Slope with Vertical Sides

Slope Protection

Shallow Trenches

Shallow Trenches

Deep Cuts

Excavation Support Methods Soldier beam and lagging

Excavation Support Methods Soldier beam and lagging

Soldier Beam and Lagging

Soldier Beam and Lagging

Soldier Beam and Lagging

PPT Slide

PPT Slide

PPT Slide

Slurry Trench Method

Slurry Trench Method (Cont’d)

Tremie Pipe

Placement of Tremie Concrete

Placement of Tremie Concrete (Cont’d)

Placement of Tremie Concrete (Cont’d)

Soil Nailing

Soil Nailing

Soil Nailing Examples NorthWest Animal Facility, UC Berkeley, CAL.

Soil Nailing Examples Chemistry Building, Washington State University, Pullman, WA

Soil Nailing Examples The Beckman Center, UC San Diego, CAL

Excavation Bracing

Excavation Bracing (Cont’d)

Excavation Bracing (Cont’d)

Excavation Bracing (Cont’d)

Tieback Systems

Tieback Systems

Tieback Systems

Tiebacks

Tieback Examples Two Renaissance Square, Phoenix, AZ

Movement limits associated with braced excavation supports

GLOSSARY OF TERMS

Author: Kamran M. Nemati

Email: nemati@u.washington.edu

Home Page: http://courses.washington.edu/cm420/

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