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All Outputs (14)

Settlement analysis of column-like elements (2022)
Conference Proceeding
Wanatowski, D., Al-Ani, W., & Grizi, A. (2022). Settlement analysis of column-like elements. In Proceedings of the 20th International Conference on Soil Mechanics and Geotechnical Engineering, Sydney 2021

In recent years, column-like elements have been recognized as an effective ground improvement method to support superstructures constructed on soft soils. Different types of columns are characterized by different construction techniques, rigidity and... Read More about Settlement analysis of column-like elements.

Numerical Analysis of the Settlement Behavior of Soft Soil Improved with Stone Columns (2022)
Journal Article
Grizi, A., Al-Ani, W., & Wanatowski, D. (2022). Numerical Analysis of the Settlement Behavior of Soft Soil Improved with Stone Columns. Applied Sciences, 12(11), Article 5293. https://doi.org/10.3390/app12115293

The use of column-like elements for improving both the settlement performance and bearing capacity of foundations constructed over soft soils is well understood for large groups of columns supporting an infinitely wide load, such as embankments and s... Read More about Numerical Analysis of the Settlement Behavior of Soft Soil Improved with Stone Columns.

A Review of Numerical Models for Slab-Asphalt Track Railways (2022)
Journal Article
Atalan, M., Prendergast, L. J., Grizi, A., & Thom, N. (2022). A Review of Numerical Models for Slab-Asphalt Track Railways. Infrastructures, 7(4), Article 59. https://doi.org/10.3390/infrastructures7040059

Higher train speeds and heavier axle loads trigger elevated stresses and vibrations in the track, potentially increasing track deterioration rates and maintenance costs. Alternative track forms made of combinations of reinforced concrete and asphalt... Read More about A Review of Numerical Models for Slab-Asphalt Track Railways.

Asset Management for Retaining Walls (2020)
Report
Athanasopoulos-Zekkos, A., Lynch, J., Zekkos, D., Gkrizi, A., Admassu, K., Benhamida, B., …Mikolajczyk, M. (2020). Asset Management for Retaining Walls. Michigan Department of Transportation

The work described here represents an attempt to develop a comprehensive risk management framework for the asset management of retaining wall structures. The work presented includes the development of a sensing strategy that can be used by structural... Read More about Asset Management for Retaining Walls.

Surface Wave Development during Impact Pile Driving (2019)
Conference Proceeding
GKRIZI, A., Athanasopoulos-Zekkos, A., & Woods, R. (2019). Surface Wave Development during Impact Pile Driving. In Proceedings of the XVII ECSMGE-2019 Geotechnical Engineering foundation of the future. https://doi.org/10.32075/17ECSMGE-2019-0464

Pile installation by applying an impact to the top of a pile appears to be a simple construction process but analysis of that process is complicated as it involves a source of energy, the structural member (pile), and the ground into which the pile i... Read More about Surface Wave Development during Impact Pile Driving.

Understanding the energy transfer mechanism in the near field of impact driven piles (2018)
Conference Proceeding
Gkrizi, A., Athanasopoulos-Zekkos, A., & Woods, R. D. (2018). Understanding the energy transfer mechanism in the near field of impact driven piles.

Pile installation by applying an impact to the top of a pile appears to be a simple construction process but analysis of that process is complicated as it involves a source of energy, the structural member (pile), and the ground... Read More about Understanding the energy transfer mechanism in the near field of impact driven piles.

Pile Driving Vibration Attenuation Relationships: Overview and Calibration Using Field Measurements (2018)
Conference Proceeding
Grizi, A., Athanasopoulos-Zekkos, A., & Woods, R. D. (2018). Pile Driving Vibration Attenuation Relationships: Overview and Calibration Using Field Measurements. In Geotechnical Earthquake Engineering and Soil Dynamics V: Numerical Modeling and Soil Structure Interaction. , (435-444). https://doi.org/10.1061/9780784481479.045

© 2018 American Society of Civil Engineers. Empirical equations to predict ground motions during construction operations have been suggested by various researchers. These empirical correlations were developed after measuring particle velocities on th... Read More about Pile Driving Vibration Attenuation Relationships: Overview and Calibration Using Field Measurements.

H-pile driving induced vibrations: reduced-scale laboratory testing and numerical analysis (2018)
Journal Article
Grizi, A., Athanasopoulos-Zekkos, A., & Woods, R. D. (2018). H-pile driving induced vibrations: reduced-scale laboratory testing and numerical analysis. Geotechnical Special Publications, 165-175. doi:10.1061/9780784481585.017

Ground vibrations due to impact pile driving operations can become a major concern when affecting nearby structures and underground utilities. In an effort to better understand the transmission and dissipation of energy into the ground during impact... Read More about H-pile driving induced vibrations: reduced-scale laboratory testing and numerical analysis.

The May 25th 2011 railroad embankment failure in Ann Arbor, Michigan, as a means for teaching geotechnical engineering (2016)
Journal Article
Zekkos, D., Athanasopoulos-Zekkos, A., Grizi, A., & Greenwood, W. (in press). The May 25th 2011 railroad embankment failure in Ann Arbor, Michigan, as a means for teaching geotechnical engineering. https://doi.org/10.4417/IJGCH-03-04-03

A 30-m long railroad embankment failure that occurred on May 25 2011 in the city of Ann Arbor, Michigan, is presented. Emphasis is given on the field observations of the failure, the characterization of the site conditions and the seepage and slope s... Read More about The May 25th 2011 railroad embankment failure in Ann Arbor, Michigan, as a means for teaching geotechnical engineering.

Response of Municipal Solid Waste to Mechanical Compression (2016)
Journal Article
Zekkos, D., Fei, X., Grizi, A., & Athanasopoulos, G. (2017). Response of Municipal Solid Waste to Mechanical Compression. Journal of Geotechnical and Geoenvironmental Engineering, 143(3), https://doi.org/10.1061/%28ASCE%29GT.1943-5606.0001608

© 2016 American Society of Civil Engineers. The compressibility of municipal solid waste (MSW) is of engineering interest as it affects the short-term and long-term performance of landfills, as well as their expansion, closure, and postclosure develo... Read More about Response of Municipal Solid Waste to Mechanical Compression.

Ground vibration measurements near impact pile driving (2016)
Journal Article
Grizi, A., Athanasopoulos-Zekkos, A., & Woods, R. (2016). Ground vibration measurements near impact pile driving. Journal of Geotechnical and Geoenvironmental Engineering, 142(8), Article 04016035. https://doi.org/10.1061/%28ASCE%29GT.1943-5606.0001499

Pile driving is a complex dynamic process where little insight has been garnered in terms of the energy transfer from the driver to the soil and surrounding structures. Ground motion measurements during driving of full scale steel H-piles with diesel... Read More about Ground vibration measurements near impact pile driving.

Measurement of ground motion near piles during driving (2014)
Journal Article
Woods, R., Athanasopoulos-Zekkos, A., Gkrizi, A., Pietrangelo, A., & Zimmerman, A. (in press). Measurement of ground motion near piles during driving. Geotechnical Special Publications, https://doi.org/10.1061/9780784413265.041

Two types of vibration damage caused by driving piles have been reported in the literature: direct structural damage and damage due to settlement. Direct damage results from vibratory excitation of structures at amplitude exceeding the structural tol... Read More about Measurement of ground motion near piles during driving.

Effect of Pile-Driving Induced Vibrations on Nearby Structures and Other Assets (2013)
Report
GRIZI, A., Athanasopoulos-Zekkos, A., & Woods, R. D. (2013). Effect of Pile-Driving Induced Vibrations on Nearby Structures and Other Assets. Michigan Department of Transportation

The work described here represents an attempt to understand the mechanisms of energy transfer from steel H-piles driven with diesel hammers to the surrounding soil and the energy attenuation through the soil by measuring ground motion vibrations in t... Read More about Effect of Pile-Driving Induced Vibrations on Nearby Structures and Other Assets.