Simplified method for determining the moment-rotation curve in eco-sustainable wind tower foundations

The objective of the study, concerning the soil-structure interaction of eco-sustainable reinforced concrete foundations of wind towers, was to determine the moment-rotation capacity curve including the soil plastici zation or RC structure crisis in flexure and shear. The study was based on elastic and plastic analyzes of shallow and deep foundations. The moment-rotation curve of the soil-foundation complex was determined, useful for the purposes of the ultimate and operating limit state verifications of wind towers. The displacement component induced by the rotation of the foundation on the overhead displacement of the wind tower was calculated. Finally, an experimental validation of the proposed model was made with the data available from the literature.