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A platform for research: civil engineering, architecture and urbanism
Observation of Pile-Soil-Interaction during Cyclic Axial Loading Using Particle Image Velocimetry
Two phenomena characterize cyclic axial loaded piles: accumulation of plastic pile displacements and degradation of pile capacity with increasing load cycles. The reason for this complex pile-soil-interaction is still not well understood. Hence, load and displacement controlled small-scale model pile tests were performed to investigate pile and soil behaviour from a qualitative point of view. Particle Image Velocimetry (PIV) was used to visualize the grains movement near the pile. A volume change was generally observed in all the tests depending on the mode of cyclic load. Shear localization appears in a small shear zone parallel to the pile shaft and remains approximately constant with increasing load cycles. Next to the shear zone a shear band can be observed which expands outwards with increasing load cycles. Moreover, a different pile and soil behaviour was observed under cyclic load compared to the static load test.
Observation of Pile-Soil-Interaction during Cyclic Axial Loading Using Particle Image Velocimetry
Two phenomena characterize cyclic axial loaded piles: accumulation of plastic pile displacements and degradation of pile capacity with increasing load cycles. The reason for this complex pile-soil-interaction is still not well understood. Hence, load and displacement controlled small-scale model pile tests were performed to investigate pile and soil behaviour from a qualitative point of view. Particle Image Velocimetry (PIV) was used to visualize the grains movement near the pile. A volume change was generally observed in all the tests depending on the mode of cyclic load. Shear localization appears in a small shear zone parallel to the pile shaft and remains approximately constant with increasing load cycles. Next to the shear zone a shear band can be observed which expands outwards with increasing load cycles. Moreover, a different pile and soil behaviour was observed under cyclic load compared to the static load test.
Observation of Pile-Soil-Interaction during Cyclic Axial Loading Using Particle Image Velocimetry
Kempfert, Hans-Georg (author) / Thomas, Sebastian (author) / Gebreselassie, Berhane (author)
GeoShanghai International Conference 2010 ; 2010 ; Shanghai, China
2010-05-14
Conference paper
Electronic Resource
English
Observation of Pile-Soil-Interaction during Cyclic Axial Loading Using Particle Image Velocimetry
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