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Behavior of a Foundation on a Sloped Fill Reinforced with Vertical Bars under Repeated Loading
The performance of a foundation on a sloped granular fill can be improved by using different types of reinforcing elements below it. In this experimental study, the effects of short vertical reinforcing bars within the body of a sloped fill on the strength and deformational behavior of a strip foundation over it will be investigated under repeated loading. Reinforced model slopes were prepared with reinforcing bars placed at three different spacings, and the strip foundation over it was subjected to repeated loading with frequency of 1 Hz and amplitude varying between 9 and 15 kN for 100,000 cycles. There was approximately 25% reduction in the vertical permanent deformation observed at the end of repeated-load testing due to the use of such reinforcing elements and the magnitude of this improvement was independent of the bar spacings used in this study. The resilient deformations of such foundation in both vertical and lateral directions were found to be unaffected by the bar spacings. The monotonic load testing conducted at the end of each repeated-load testing showed that the foundation on a reinforced slope exhibits ductile behavior without much improvement in its ultimate bearing capacity.
Behavior of a Foundation on a Sloped Fill Reinforced with Vertical Bars under Repeated Loading
The performance of a foundation on a sloped granular fill can be improved by using different types of reinforcing elements below it. In this experimental study, the effects of short vertical reinforcing bars within the body of a sloped fill on the strength and deformational behavior of a strip foundation over it will be investigated under repeated loading. Reinforced model slopes were prepared with reinforcing bars placed at three different spacings, and the strip foundation over it was subjected to repeated loading with frequency of 1 Hz and amplitude varying between 9 and 15 kN for 100,000 cycles. There was approximately 25% reduction in the vertical permanent deformation observed at the end of repeated-load testing due to the use of such reinforcing elements and the magnitude of this improvement was independent of the bar spacings used in this study. The resilient deformations of such foundation in both vertical and lateral directions were found to be unaffected by the bar spacings. The monotonic load testing conducted at the end of each repeated-load testing showed that the foundation on a reinforced slope exhibits ductile behavior without much improvement in its ultimate bearing capacity.
Behavior of a Foundation on a Sloped Fill Reinforced with Vertical Bars under Repeated Loading
Islam, M. A. (author) / Gnanendran, C. T. (author)
Geo-Congress 2014 ; 2014 ; Atlanta, Georgia
Geo-Congress 2014 Technical Papers ; 1091-1100
2014-02-24
Conference paper
Electronic Resource
English
Behaviour of a Foundation on a Sloped Fill Reinforced with Vertical Bars under Repeated Loading
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