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A platform for research: civil engineering, architecture and urbanism
SIMPLIFIED EVALUATION OF EARTHQUAKE-INDUCED PERMANENT DISPLACEMENTS OF SHALLOW FOUNDATIONS
The earthquake response of shallow foundations is studied by a simple method that incorporates nonlinear behaviour at the soil-foundation interface and, unlike other simplified approaches, directly takes into account the coupling between the soil-foundation system and the superstructure. The proposed model consists of a four degrees-of-freedom (dof) oscillator, namely one dof for the superstructure and three for the foundation, and introduces nonlinear effects in the calculation of soil reactions through a failure criterion and plastic flow-rule calibrated through previous experimental work. Comparing the results of an application to granular soils with those of more sophisticated finite element analyses, a satisfactory agreement is found, suggesting that the main features of this complicated nonlinear problem can be captured without resorting to an accurate description of the soil behaviour.
SIMPLIFIED EVALUATION OF EARTHQUAKE-INDUCED PERMANENT DISPLACEMENTS OF SHALLOW FOUNDATIONS
The earthquake response of shallow foundations is studied by a simple method that incorporates nonlinear behaviour at the soil-foundation interface and, unlike other simplified approaches, directly takes into account the coupling between the soil-foundation system and the superstructure. The proposed model consists of a four degrees-of-freedom (dof) oscillator, namely one dof for the superstructure and three for the foundation, and introduces nonlinear effects in the calculation of soil reactions through a failure criterion and plastic flow-rule calibrated through previous experimental work. Comparing the results of an application to granular soils with those of more sophisticated finite element analyses, a satisfactory agreement is found, suggesting that the main features of this complicated nonlinear problem can be captured without resorting to an accurate description of the soil behaviour.
SIMPLIFIED EVALUATION OF EARTHQUAKE-INDUCED PERMANENT DISPLACEMENTS OF SHALLOW FOUNDATIONS
Paolucci, R. (author)
Journal of Earthquake Engineering ; 1 ; 563-579
1997-07-01
17 pages
Article (Journal)
Electronic Resource
English
Simplified Evaluation of Earthquake-Induced Permanent Displacements of Shallow Foundations
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