The Effect of Shallow Foundation Position on Their Interaction with Reverse Faults
Publication: Geotechnical Earthquake Engineering and Soil Dynamics IV
Abstract
The paper reports a series of centrifuge model tests designed to study the effect of foundation position on the interaction of reverse, dip-slip faults with shallow foundations. All tests are conducted with a 15 m deep, dry sand layer and a reverse fault with dip angle 60°. Results of a `free-field' test are first presented which allows the fault rupture propagation through the soil to be investigated when no foundation is present. Additional tests are then reported in which shallow foundations are placed at different positions relative to the fault. It is seen that interaction between the foundation and the fault often causes deviation of the fault from the free-field condition, and this may protect the foundation from damage. This has also been observed in recent case histories. In addition, the response of the foundation as characterized by its rotation is very sensitive to the exact position of the foundation — the interaction between the foundation and the fault is subtle. Design should consider carefully the position of the fault emergence with respect to shallow foundations.
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Published In
Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Jun 20, 2012
ASCE Technical Topics:
- Case studies
- Centrifuge models
- Continuum mechanics
- Dynamics (solid mechanics)
- Earthquake engineering
- Engineering fundamentals
- Engineering mechanics
- Foundation design
- Foundations
- Geomechanics
- Geotechnical engineering
- Layered soils
- Methodology (by type)
- Models (by type)
- Motion (dynamics)
- Research methods (by type)
- Rotation
- Shallow foundations
- Soil mechanics
- Soil tests
- Soils (by type)
- Solid mechanics
- Surface fault rupture
- Tests (by type)
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