Interface Stresses between Soil and Large Diameter Drilled Shaft under Lateral Loading
Publication: GeoSupport 2004: Drilled Shafts, Micropiling, Deep Mixing, Remedial Methods, and Specialty Foundation Systems
Abstract
Results are presented of a field testing program for a full-scale, large diameter cast-in-drilled-hole (CIDH) shaft/column under large displacement cyclic lateral loading. The test shaft was extensively instrumented to enable high-precision section curvature measurements in addition to measurements of contact pressure at the soil-shaft interface around the shaft perimeter. Among the principal objectives of the testing was to characterize the soil-shaft interaction across a wide displacement range in order to gain insight into the adequacy of existing design guidelines (which are based principally on the testing of small diameter piles) for the large diameter shafts commonly used to support highway bridges. The component stresses of resistance and the effects of nonlinear soil resistance to relative displacements between the soil and shaft are presented.
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Copyright
© 2004 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Continuum mechanics
- Cyclic loads
- Drilled pier foundations
- Drilled shafts
- Dynamic loads
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Foundations
- Geomechanics
- Geotechnical engineering
- Lateral loads
- Lateral stress
- Load tests
- Shafts
- Soil mechanics
- Soil properties
- Soil stress
- Soil tests
- Solid mechanics
- Stress (by type)
- Structural analysis
- Structural dynamics
- Structural engineering
- Tests (by type)
- Tunnels
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